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Merge branch 'perf/urgent' into perf/core to fix conflicts

Browse Source 
Conflicts:
	tools/perf/bench/numa.c

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2013-11-04 07:49:35 +01:00
commit 2a3ede8cb2
83 changed files with 730 additions and 682 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
MAINTAINERS
View File

@ -8917,61 +8917,14 @@ W: http://pegasus2.sourceforge.net/
S: Maintained
F: drivers/net/usb/rtl8150.c
USB SERIAL BELKIN F5U103 DRIVER
M: William Greathouse <wgreathouse@smva.com>
USB SERIAL SUBSYSTEM
M: Johan Hovold <jhovold@gmail.com>
L: linux-usb@vger.kernel.org
S: Maintained
F: drivers/usb/serial/belkin_sa.*
USB SERIAL CYPRESS M8 DRIVER
M: Lonnie Mendez <dignome@gmail.com>
L: linux-usb@vger.kernel.org
S: Maintained
W: http://geocities.com/i0xox0i
W: http://firstlight.net/cvs
F: drivers/usb/serial/cypress_m8.*
USB SERIAL CYBERJACK DRIVER
M: Matthias Bruestle and Harald Welte <support@reiner-sct.com>
W: http://www.reiner-sct.de/support/treiber_cyberjack.php
S: Maintained
F: drivers/usb/serial/cyberjack.c
USB SERIAL DIGI ACCELEPORT DRIVER
M: Peter Berger <pberger@brimson.com>
M: Al Borchers <alborchers@steinerpoint.com>
L: linux-usb@vger.kernel.org
S: Maintained
F: drivers/usb/serial/digi_acceleport.c
USB SERIAL DRIVER
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L: linux-usb@vger.kernel.org
S: Supported
F: Documentation/usb/usb-serial.txt
F: drivers/usb/serial/generic.c
F: drivers/usb/serial/usb-serial.c
F: drivers/usb/serial/
F: include/linux/usb/serial.h
USB SERIAL EMPEG EMPEG-CAR MARK I/II DRIVER
M: Gary Brubaker <xavyer@ix.netcom.com>
L: linux-usb@vger.kernel.org
S: Maintained
F: drivers/usb/serial/empeg.c
USB SERIAL KEYSPAN DRIVER
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L: linux-usb@vger.kernel.org
S: Maintained
F: drivers/usb/serial/*keyspan*
USB SERIAL WHITEHEAT DRIVER
M: Support Department <support@connecttech.com>
L: linux-usb@vger.kernel.org
W: http://www.connecttech.com
S: Supported
F: drivers/usb/serial/whiteheat*
USB SMSC75XX ETHERNET DRIVER
M: Steve Glendinning <steve.glendinning@shawell.net>
L: netdev@vger.kernel.org

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 12
SUBLEVEL = 0
EXTRAVERSION = -rc7
EXTRAVERSION =
NAME = One Giant Leap for Frogkind
# *DOCUMENTATION*

6
arch/arc/mm/fault.c
View File

@ -17,7 +17,7 @@
#include <asm/pgalloc.h>
#include <asm/mmu.h>
static int handle_vmalloc_fault(struct mm_struct *mm, unsigned long address)
static int handle_vmalloc_fault(unsigned long address)
{
/*
* Synchronize this task's top level page-table
@ -27,7 +27,7 @@ static int handle_vmalloc_fault(struct mm_struct *mm, unsigned long address)
pud_t *pud, *pud_k;
pmd_t *pmd, *pmd_k;
pgd = pgd_offset_fast(mm, address);
pgd = pgd_offset_fast(current->active_mm, address);
pgd_k = pgd_offset_k(address);
if (!pgd_present(*pgd_k))
@ -72,7 +72,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long address)
* nothing more.
*/
if (address >= VMALLOC_START && address <= VMALLOC_END) {
ret = handle_vmalloc_fault(mm, address);
ret = handle_vmalloc_fault(address);
if (unlikely(ret))
goto bad_area_nosemaphore;
else

4
arch/mips/kernel/perf_event_mipsxx.c
View File

@ -971,11 +971,11 @@ static const struct mips_perf_event mipsxx74Kcore_cache_map
[C(LL)] = {
[C(OP_READ)] = {
[C(RESULT_ACCESS)] = { 0x1c, CNTR_ODD, P },
[C(RESULT_MISS)] = { 0x1d, CNTR_EVEN | CNTR_ODD, P },
[C(RESULT_MISS)] = { 0x1d, CNTR_EVEN, P },
},
[C(OP_WRITE)] = {
[C(RESULT_ACCESS)] = { 0x1c, CNTR_ODD, P },
[C(RESULT_MISS)] = { 0x1d, CNTR_EVEN | CNTR_ODD, P },
[C(RESULT_MISS)] = { 0x1d, CNTR_EVEN, P },
},
},
[C(ITLB)] = {

9
arch/mips/mti-malta/malta-int.c
View File

@ -473,7 +473,7 @@ static void __init fill_ipi_map(void)
{
int cpu;
for (cpu = 0; cpu < NR_CPUS; cpu++) {
for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
fill_ipi_map1(gic_resched_int_base, cpu, GIC_CPU_INT1);
fill_ipi_map1(gic_call_int_base, cpu, GIC_CPU_INT2);
}
@ -574,8 +574,9 @@ void __init arch_init_irq(void)
/* FIXME */
int i;
#if defined(CONFIG_MIPS_MT_SMP)
gic_call_int_base = GIC_NUM_INTRS - NR_CPUS;
gic_resched_int_base = gic_call_int_base - NR_CPUS;
gic_call_int_base = GIC_NUM_INTRS -
(NR_CPUS - nr_cpu_ids) * 2 - nr_cpu_ids;
gic_resched_int_base = gic_call_int_base - nr_cpu_ids;
fill_ipi_map();
#endif
gic_init(GIC_BASE_ADDR, GIC_ADDRSPACE_SZ, gic_intr_map,
@ -599,7 +600,7 @@ void __init arch_init_irq(void)
printk("CPU%d: status register now %08x\n", smp_processor_id(), read_c0_status());
write_c0_status(0x1100dc00);
printk("CPU%d: status register frc %08x\n", smp_processor_id(), read_c0_status());
for (i = 0; i < NR_CPUS; i++) {
for (i = 0; i < nr_cpu_ids; i++) {
arch_init_ipiirq(MIPS_GIC_IRQ_BASE +
GIC_RESCHED_INT(i), &irq_resched);
arch_init_ipiirq(MIPS_GIC_IRQ_BASE +

2
arch/mips/ralink/timer.c
View File

@ -126,7 +126,7 @@ static int rt_timer_probe(struct platform_device *pdev)
return -ENOENT;
}
rt->membase = devm_request_and_ioremap(&pdev->dev, res);
rt->membase = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(rt->membase))
return PTR_ERR(rt->membase);

4
arch/um/kernel/exitcode.c
View File

@ -40,9 +40,11 @@ static ssize_t exitcode_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *pos)
{
char *end, buf[sizeof("nnnnn\0")];
size_t size;
int tmp;
if (copy_from_user(buf, buffer, count))
size = min(count, sizeof(buf));
if (copy_from_user(buf, buffer, size))
return -EFAULT;
tmp = simple_strtol(buf, &end, 0);

3
arch/x86/include/asm/percpu.h
View File

@ -128,7 +128,8 @@ do { \
do { \
typedef typeof(var) pao_T__; \
const int pao_ID__ = (__builtin_constant_p(val) && \
((val) == 1 || (val) == -1)) ? (val) : 0; \
((val) == 1 || (val) == -1)) ? \
(int)(val) : 0; \
if (0) { \
pao_T__ pao_tmp__; \
pao_tmp__ = (val); \

6
arch/x86/kernel/cpu/perf_event.c
View File

@ -1276,16 +1276,16 @@ void perf_events_lapic_init(void)
static int __kprobes
perf_event_nmi_handler(unsigned int cmd, struct pt_regs *regs)
{
int ret;
u64 start_clock;
u64 finish_clock;
int ret;
if (!atomic_read(&active_events))
return NMI_DONE;
start_clock = local_clock();
start_clock = sched_clock();
ret = x86_pmu.handle_irq(regs);
finish_clock = local_clock();
finish_clock = sched_clock();
perf_sample_event_took(finish_clock - start_clock);

2
arch/x86/kernel/kvm.c
View File

@ -609,7 +609,7 @@ static struct dentry *d_kvm_debug;
struct dentry *kvm_init_debugfs(void)
{
d_kvm_debug = debugfs_create_dir("kvm", NULL);
d_kvm_debug = debugfs_create_dir("kvm-guest", NULL);
if (!d_kvm_debug)
printk(KERN_WARNING "Could not create 'kvm' debugfs directory\n");

4
arch/x86/kernel/nmi.c
View File

@ -113,10 +113,10 @@ static int __kprobes nmi_handle(unsigned int type, struct pt_regs *regs, bool b2
u64 before, delta, whole_msecs;
int remainder_ns, decimal_msecs, thishandled;
before = local_clock();
before = sched_clock();
thishandled = a->handler(type, regs);
handled += thishandled;
delta = local_clock() - before;
delta = sched_clock() - before;
trace_nmi_handler(a->handler, (int)delta, thishandled);
if (delta < nmi_longest_ns)

49
arch/xtensa/kernel/entry.S
View File

@ -1122,7 +1122,7 @@ ENDPROC(fast_syscall_spill_registers)
* a3: exctable, original value in excsave1
*/
fast_syscall_spill_registers_fixup:
ENTRY(fast_syscall_spill_registers_fixup)
rsr a2, windowbase # get current windowbase (a2 is saved)
xsr a0, depc # restore depc and a0
@ -1134,22 +1134,26 @@ fast_syscall_spill_registers_fixup:
*/
xsr a3, excsave1 # get spill-mask
slli a2, a3, 1 # shift left by one
slli a3, a3, 1 # shift left by one
slli a3, a2, 32-WSBITS
src a2, a2, a3 # a1 = xxwww1yyxxxwww1yy......
slli a2, a3, 32-WSBITS
src a2, a3, a2 # a2 = xxwww1yyxxxwww1yy......
wsr a2, windowstart # set corrected windowstart
rsr a3, excsave1
l32i a2, a3, EXC_TABLE_DOUBLE_SAVE # restore a2
l32i a3, a3, EXC_TABLE_PARAM # original WB (in user task)
srli a3, a3, 1
rsr a2, excsave1
l32i a2, a2, EXC_TABLE_DOUBLE_SAVE # restore a2
xsr a2, excsave1
s32i a3, a2, EXC_TABLE_DOUBLE_SAVE # save a3
l32i a3, a2, EXC_TABLE_PARAM # original WB (in user task)
xsr a2, excsave1
/* Return to the original (user task) WINDOWBASE.
* We leave the following frame behind:
* a0, a1, a2 same
* a3: trashed (saved in excsave_1)
* a3: trashed (saved in EXC_TABLE_DOUBLE_SAVE)
* depc: depc (we have to return to that address)
* excsave_1: a3
* excsave_1: exctable
*/
wsr a3, windowbase
@ -1159,9 +1163,9 @@ fast_syscall_spill_registers_fixup:
* a0: return address
* a1: used, stack pointer
* a2: kernel stack pointer
* a3: available, saved in EXCSAVE_1
* a3: available
* depc: exception address
* excsave: a3
* excsave: exctable
* Note: This frame might be the same as above.
*/
@ -1181,9 +1185,12 @@ fast_syscall_spill_registers_fixup:
rsr a0, exccause
addx4 a0, a0, a3 # find entry in table
l32i a0, a0, EXC_TABLE_FAST_USER # load handler
l32i a3, a3, EXC_TABLE_DOUBLE_SAVE
jx a0
fast_syscall_spill_registers_fixup_return:
ENDPROC(fast_syscall_spill_registers_fixup)
ENTRY(fast_syscall_spill_registers_fixup_return)
/* When we return here, all registers have been restored (a2: DEPC) */
@ -1191,13 +1198,13 @@ fast_syscall_spill_registers_fixup_return:
/* Restore fixup handler. */
xsr a3, excsave1
movi a2, fast_syscall_spill_registers_fixup
s32i a2, a3, EXC_TABLE_FIXUP
s32i a0, a3, EXC_TABLE_DOUBLE_SAVE
rsr a2, windowbase
s32i a2, a3, EXC_TABLE_PARAM
l32i a2, a3, EXC_TABLE_KSTK
rsr a2, excsave1
s32i a3, a2, EXC_TABLE_DOUBLE_SAVE
movi a3, fast_syscall_spill_registers_fixup
s32i a3, a2, EXC_TABLE_FIXUP
rsr a3, windowbase
s32i a3, a2, EXC_TABLE_PARAM
l32i a2, a2, EXC_TABLE_KSTK
/* Load WB at the time the exception occurred. */
@ -1206,8 +1213,12 @@ fast_syscall_spill_registers_fixup_return:
wsr a3, windowbase
rsync
rsr a3, excsave1
l32i a3, a3, EXC_TABLE_DOUBLE_SAVE
rfde
ENDPROC(fast_syscall_spill_registers_fixup_return)
/*
* spill all registers.

2
arch/xtensa/kernel/signal.c
View File

@ -341,7 +341,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
sp = regs->areg[1];
if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! on_sig_stack(sp)) {
if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && sas_ss_flags(sp) == 0) {
sp = current->sas_ss_sp + current->sas_ss_size;
}

3
arch/xtensa/platforms/iss/network.c
View File

@ -737,7 +737,8 @@ static int __init iss_net_setup(char *str)
return 1;
}
if ((new = alloc_bootmem(sizeof new)) == NULL) {
new = alloc_bootmem(sizeof(*new));
if (new == NULL) {
printk("Alloc_bootmem failed\n");
return 1;
}

21
drivers/clk/clk-nomadik.c
View File

@ -27,6 +27,14 @@
*/
#define SRC_CR 0x00U
#define SRC_CR_T0_ENSEL BIT(15)
#define SRC_CR_T1_ENSEL BIT(17)
#define SRC_CR_T2_ENSEL BIT(19)
#define SRC_CR_T3_ENSEL BIT(21)
#define SRC_CR_T4_ENSEL BIT(23)
#define SRC_CR_T5_ENSEL BIT(25)
#define SRC_CR_T6_ENSEL BIT(27)
#define SRC_CR_T7_ENSEL BIT(29)
#define SRC_XTALCR 0x0CU
#define SRC_XTALCR_XTALTIMEN BIT(20)
#define SRC_XTALCR_SXTALDIS BIT(19)
@ -543,6 +551,19 @@ void __init nomadik_clk_init(void)
__func__, np->name);
return;
}
/* Set all timers to use the 2.4 MHz TIMCLK */
val = readl(src_base + SRC_CR);
val |= SRC_CR_T0_ENSEL;
val |= SRC_CR_T1_ENSEL;
val |= SRC_CR_T2_ENSEL;
val |= SRC_CR_T3_ENSEL;
val |= SRC_CR_T4_ENSEL;
val |= SRC_CR_T5_ENSEL;
val |= SRC_CR_T6_ENSEL;
val |= SRC_CR_T7_ENSEL;
writel(val, src_base + SRC_CR);
val = readl(src_base + SRC_XTALCR);
pr_info("SXTALO is %s\n",
(val & SRC_XTALCR_SXTALDIS) ? "disabled" : "enabled");

4
drivers/clk/mvebu/armada-370.c
View File

@ -39,8 +39,8 @@ static const struct coreclk_ratio a370_coreclk_ratios[] __initconst = {
};
static const u32 a370_tclk_freqs[] __initconst = {
16600000,
20000000,
166000000,
200000000,
};
static u32 __init a370_get_tclk_freq(void __iomem *sar)

2
drivers/clk/socfpga/clk.c
View File

@ -49,7 +49,7 @@
#define SOCFPGA_L4_SP_CLK "l4_sp_clk"
#define SOCFPGA_NAND_CLK "nand_clk"
#define SOCFPGA_NAND_X_CLK "nand_x_clk"
#define SOCFPGA_MMC_CLK "mmc_clk"
#define SOCFPGA_MMC_CLK "sdmmc_clk"
#define SOCFPGA_DB_CLK "gpio_db_clk"
#define div_mask(width) ((1 << (width)) - 1)

2
drivers/clk/versatile/clk-icst.c
View File

@ -107,7 +107,7 @@ static int icst_set_rate(struct clk_hw *hw, unsigned long rate,
vco = icst_hz_to_vco(icst->params, rate);
icst->rate = icst_hz(icst->params, vco);
vco_set(icst->vcoreg, icst->lockreg, vco);
vco_set(icst->lockreg, icst->vcoreg, vco);
return 0;
}

2
drivers/gpu/drm/drm_drv.c
View File

@ -61,7 +61,7 @@ static int drm_version(struct drm_device *dev, void *data,
/** Ioctl table */
static const struct drm_ioctl_desc drm_ioctls[] = {
DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, DRM_UNLOCKED),
DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, DRM_UNLOCKED|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0),
DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0),
DRM_IOCTL_DEF(DRM_IOCTL_IRQ_BUSID, drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY),

28
drivers/gpu/drm/i915/intel_crt.c
View File

@ -83,8 +83,7 @@ static bool intel_crt_get_hw_state(struct intel_encoder *encoder,
return true;
}
static void intel_crt_get_config(struct intel_encoder *encoder,
struct intel_crtc_config *pipe_config)
static unsigned int intel_crt_get_flags(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
struct intel_crt *crt = intel_encoder_to_crt(encoder);
@ -102,7 +101,25 @@ static void intel_crt_get_config(struct intel_encoder *encoder,
else
flags |= DRM_MODE_FLAG_NVSYNC;
pipe_config->adjusted_mode.flags |= flags;
return flags;
}
static void intel_crt_get_config(struct intel_encoder *encoder,
struct intel_crtc_config *pipe_config)
{
pipe_config->adjusted_mode.flags |= intel_crt_get_flags(encoder);
}
static void hsw_crt_get_config(struct intel_encoder *encoder,
struct intel_crtc_config *pipe_config)
{
intel_ddi_get_config(encoder, pipe_config);
pipe_config->adjusted_mode.flags &= ~(DRM_MODE_FLAG_PHSYNC |
DRM_MODE_FLAG_NHSYNC |
DRM_MODE_FLAG_PVSYNC |
DRM_MODE_FLAG_NVSYNC);
pipe_config->adjusted_mode.flags |= intel_crt_get_flags(encoder);
}
/* Note: The caller is required to filter out dpms modes not supported by the
@ -799,7 +816,10 @@ void intel_crt_init(struct drm_device *dev)
crt->base.mode_set = intel_crt_mode_set;
crt->base.disable = intel_disable_crt;
crt->base.enable = intel_enable_crt;
crt->base.get_config = intel_crt_get_config;
if (IS_HASWELL(dev))
crt->base.get_config = hsw_crt_get_config;
else
crt->base.get_config = intel_crt_get_config;
if (I915_HAS_HOTPLUG(dev))
crt->base.hpd_pin = HPD_CRT;
if (HAS_DDI(dev))

21
drivers/gpu/drm/i915/intel_ddi.c
View File

@ -1249,8 +1249,8 @@ static void intel_ddi_hot_plug(struct intel_encoder *intel_encoder)
intel_dp_check_link_status(intel_dp);
}
static void intel_ddi_get_config(struct intel_encoder *encoder,
struct intel_crtc_config *pipe_config)
void intel_ddi_get_config(struct intel_encoder *encoder,
struct intel_crtc_config *pipe_config)
{
struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
@ -1268,6 +1268,23 @@ static void intel_ddi_get_config(struct intel_encoder *encoder,
flags |= DRM_MODE_FLAG_NVSYNC;
pipe_config->adjusted_mode.flags |= flags;
switch (temp & TRANS_DDI_BPC_MASK) {
case TRANS_DDI_BPC_6:
pipe_config->pipe_bpp = 18;
break;
case TRANS_DDI_BPC_8:
pipe_config->pipe_bpp = 24;
break;
case TRANS_DDI_BPC_10:
pipe_config->pipe_bpp = 30;
break;
case TRANS_DDI_BPC_12:
pipe_config->pipe_bpp = 36;
break;
default:
break;
}
}
static void intel_ddi_destroy(struct drm_encoder *encoder)

131
drivers/gpu/drm/i915/intel_display.c
View File

@ -2327,9 +2327,10 @@ static void intel_fdi_normal_train(struct drm_crtc *crtc)
FDI_FE_ERRC_ENABLE);
}
static bool pipe_has_enabled_pch(struct intel_crtc *intel_crtc)
static bool pipe_has_enabled_pch(struct intel_crtc *crtc)
{
return intel_crtc->base.enabled && intel_crtc->config.has_pch_encoder;
return crtc->base.enabled && crtc->active &&
crtc->config.has_pch_encoder;
}
static void ivb_modeset_global_resources(struct drm_device *dev)
@ -2979,6 +2980,48 @@ static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc,
I915_READ(VSYNCSHIFT(cpu_transcoder)));
}
static void cpt_enable_fdi_bc_bifurcation(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t temp;
temp = I915_READ(SOUTH_CHICKEN1);
if (temp & FDI_BC_BIFURCATION_SELECT)
return;
WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE);
WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE);
temp |= FDI_BC_BIFURCATION_SELECT;
DRM_DEBUG_KMS("enabling fdi C rx\n");
I915_WRITE(SOUTH_CHICKEN1, temp);
POSTING_READ(SOUTH_CHICKEN1);
}
static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc)
{
struct drm_device *dev = intel_crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
switch (intel_crtc->pipe) {
case PIPE_A:
break;
case PIPE_B:
if (intel_crtc->config.fdi_lanes > 2)
WARN_ON(I915_READ(SOUTH_CHICKEN1) & FDI_BC_BIFURCATION_SELECT);
else
cpt_enable_fdi_bc_bifurcation(dev);
break;
case PIPE_C:
cpt_enable_fdi_bc_bifurcation(dev);
break;
default:
BUG();
}
}
/*
* Enable PCH resources required for PCH ports:
* - PCH PLLs
@ -2997,6 +3040,9 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
assert_pch_transcoder_disabled(dev_priv, pipe);
if (IS_IVYBRIDGE(dev))
ivybridge_update_fdi_bc_bifurcation(intel_crtc);
/* Write the TU size bits before fdi link training, so that error
* detection works. */
I915_WRITE(FDI_RX_TUSIZE1(pipe),
@ -4983,6 +5029,22 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
if (!(tmp & PIPECONF_ENABLE))
return false;
if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) {
switch (tmp & PIPECONF_BPC_MASK) {
case PIPECONF_6BPC:
pipe_config->pipe_bpp = 18;
break;
case PIPECONF_8BPC:
pipe_config->pipe_bpp = 24;
break;
case PIPECONF_10BPC:
pipe_config->pipe_bpp = 30;
break;
default:
break;
}
}
intel_get_pipe_timings(crtc, pipe_config);
i9xx_get_pfit_config(crtc, pipe_config);
@ -5576,48 +5638,6 @@ static bool ironlake_compute_clocks(struct drm_crtc *crtc,
return true;
}
static void cpt_enable_fdi_bc_bifurcation(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t temp;
temp = I915_READ(SOUTH_CHICKEN1);
if (temp & FDI_BC_BIFURCATION_SELECT)
return;
WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE);
WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE);
temp |= FDI_BC_BIFURCATION_SELECT;
DRM_DEBUG_KMS("enabling fdi C rx\n");
I915_WRITE(SOUTH_CHICKEN1, temp);
POSTING_READ(SOUTH_CHICKEN1);
}
static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc)
{
struct drm_device *dev = intel_crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
switch (intel_crtc->pipe) {
case PIPE_A:
break;
case PIPE_B:
if (intel_crtc->config.fdi_lanes > 2)
WARN_ON(I915_READ(SOUTH_CHICKEN1) & FDI_BC_BIFURCATION_SELECT);
else
cpt_enable_fdi_bc_bifurcation(dev);
break;
case PIPE_C:
cpt_enable_fdi_bc_bifurcation(dev);
break;
default:
BUG();
}
}
int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp)
{
/*
@ -5811,9 +5831,6 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
&intel_crtc->config.fdi_m_n);
}
if (IS_IVYBRIDGE(dev))
ivybridge_update_fdi_bc_bifurcation(intel_crtc);
ironlake_set_pipeconf(crtc);
/* Set up the display plane register */
@ -5881,6 +5898,23 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
if (!(tmp & PIPECONF_ENABLE))
return false;
switch (tmp & PIPECONF_BPC_MASK) {
case PIPECONF_6BPC:
pipe_config->pipe_bpp = 18;
break;
case PIPECONF_8BPC:
pipe_config->pipe_bpp = 24;
break;
case PIPECONF_10BPC:
pipe_config->pipe_bpp = 30;
break;
case PIPECONF_12BPC:
pipe_config->pipe_bpp = 36;
break;
default:
break;
}
if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) {
struct intel_shared_dpll *pll;
@ -8612,6 +8646,9 @@ intel_pipe_config_compare(struct drm_device *dev,
PIPE_CONF_CHECK_X(dpll_hw_state.fp0);
PIPE_CONF_CHECK_X(dpll_hw_state.fp1);
if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5)
PIPE_CONF_CHECK_I(pipe_bpp);
#undef PIPE_CONF_CHECK_X
#undef PIPE_CONF_CHECK_I
#undef PIPE_CONF_CHECK_FLAGS

20
drivers/gpu/drm/i915/intel_dp.c
View File

@ -1401,6 +1401,26 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
else
pipe_config->port_clock = 270000;
}
if (is_edp(intel_dp) && dev_priv->vbt.edp_bpp &&
pipe_config->pipe_bpp > dev_priv->vbt.edp_bpp) {
/*
* This is a big fat ugly hack.
*
* Some machines in UEFI boot mode provide us a VBT that has 18
* bpp and 1.62 GHz link bandwidth for eDP, which for reasons
* unknown we fail to light up. Yet the same BIOS boots up with
* 24 bpp and 2.7 GHz link. Use the same bpp as the BIOS uses as
* max, not what it tells us to use.
*
* Note: This will still be broken if the eDP panel is not lit
* up by the BIOS, and thus we can't get the mode at module
* load.
*/
DRM_DEBUG_KMS("pipe has %d bpp for eDP panel, overriding BIOS-provided max %d bpp\n",
pipe_config->pipe_bpp, dev_priv->vbt.edp_bpp);
dev_priv->vbt.edp_bpp = pipe_config->pipe_bpp;
}
}
static bool is_edp_psr(struct intel_dp *intel_dp)

2
drivers/gpu/drm/i915/intel_drv.h
View File

@ -765,6 +765,8 @@ extern void intel_ddi_prepare_link_retrain(struct drm_encoder *encoder);
extern bool
intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
extern void intel_ddi_fdi_disable(struct drm_crtc *crtc);
extern void intel_ddi_get_config(struct intel_encoder *encoder,
struct intel_crtc_config *pipe_config);
extern void intel_display_handle_reset(struct drm_device *dev);
extern bool intel_set_cpu_fifo_underrun_reporting(struct drm_device *dev,

16
drivers/gpu/drm/i915/intel_lvds.c
View File

@ -698,6 +698,22 @@ static const struct dmi_system_id intel_no_lvds[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Q900"),
},
},
{
.callback = intel_no_lvds_dmi_callback,
.ident = "Intel D410PT",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Intel"),
DMI_MATCH(DMI_BOARD_NAME, "D410PT"),
},
},
{
.callback = intel_no_lvds_dmi_callback,
.ident = "Intel D425KT",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Intel"),
DMI_EXACT_MATCH(DMI_BOARD_NAME, "D425KT"),
},
},
{
.callback = intel_no_lvds_dmi_callback,
.ident = "Intel D510MO",

1
drivers/gpu/drm/radeon/evergreen_hdmi.c
View File

@ -291,6 +291,7 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
/* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */
WREG32(HDMI_ACR_PACKET_CONTROL + offset,
HDMI_ACR_SOURCE | /* select SW CTS value */
HDMI_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */
evergreen_hdmi_update_ACR(encoder, mode->clock);

2
drivers/gpu/drm/radeon/kv_dpm.c
View File

@ -2635,7 +2635,7 @@ int kv_dpm_init(struct radeon_device *rdev)
pi->caps_sclk_ds = true;
pi->enable_auto_thermal_throttling = true;
pi->disable_nb_ps3_in_battery = false;
pi->bapm_enable = true;
pi->bapm_enable = false;
pi->voltage_drop_t = 0;
pi->caps_sclk_throttle_low_notification = false;
pi->caps_fps = false; /* true? */

4
drivers/gpu/drm/radeon/radeon.h
View File

@ -1272,8 +1272,8 @@ struct radeon_blacklist_clocks
struct radeon_clock_and_voltage_limits {
u32 sclk;
u32 mclk;
u32 vddc;
u32 vddci;
u16 vddc;
u16 vddci;
};
struct radeon_clock_array {

10
drivers/input/input.c
View File

@ -1734,6 +1734,7 @@ EXPORT_SYMBOL_GPL(input_class);
*/
struct input_dev *input_allocate_device(void)
{
static atomic_t input_no = ATOMIC_INIT(0);
struct input_dev *dev;
dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL);
@ -1743,9 +1744,13 @@ struct input_dev *input_allocate_device(void)
device_initialize(&dev->dev);
mutex_init(&dev->mutex);
spin_lock_init(&dev->event_lock);
init_timer(&dev->timer);
INIT_LIST_HEAD(&dev->h_list);
INIT_LIST_HEAD(&dev->node);
dev_set_name(&dev->dev, "input%ld",
(unsigned long) atomic_inc_return(&input_no) - 1);
__module_get(THIS_MODULE);
}
@ -2019,7 +2024,6 @@ static void devm_input_device_unregister(struct device *dev, void *res)
*/
int input_register_device(struct input_dev *dev)
{
static atomic_t input_no = ATOMIC_INIT(0);
struct input_devres *devres = NULL;
struct input_handler *handler;
unsigned int packet_size;
@ -2059,7 +2063,6 @@ int input_register_device(struct input_dev *dev)
* If delay and period are pre-set by the driver, then autorepeating
* is handled by the driver itself and we don't do it in input.c.
*/
init_timer(&dev->timer);
if (!dev->rep[REP_DELAY] && !dev->rep[REP_PERIOD]) {
dev->timer.data = (long) dev;
dev->timer.function = input_repeat_key;
@ -2073,9 +2076,6 @@ int input_register_device(struct input_dev *dev)
if (!dev->setkeycode)
dev->setkeycode = input_default_setkeycode;
dev_set_name(&dev->dev, "input%ld",
(unsigned long) atomic_inc_return(&input_no) - 1);
error = device_add(&dev->dev);
if (error)
goto err_free_vals;

11
drivers/input/keyboard/pxa27x_keypad.c
View File

@ -786,10 +786,17 @@ static int pxa27x_keypad_probe(struct platform_device *pdev)
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
if (pdata)
if (pdata) {
error = pxa27x_keypad_build_keycode(keypad);
else
} else {
error = pxa27x_keypad_build_keycode_from_dt(keypad);
/*
* Data that we get from DT resides in dynamically
* allocated memory so we need to update our pdata
* pointer.
*/
pdata = keypad->pdata;
}
if (error) {
dev_err(&pdev->dev, "failed to build keycode\n");
goto failed_put_clk;

14
drivers/input/misc/cm109.c
View File

@ -351,7 +351,9 @@ static void cm109_urb_irq_callback(struct urb *urb)
if (status) {
if (status == -ESHUTDOWN)
return;
dev_err(&dev->intf->dev, "%s: urb status %d\n", __func__, status);
dev_err_ratelimited(&dev->intf->dev, "%s: urb status %d\n",
__func__, status);
goto out;
}
/* Special keys */
@ -418,8 +420,12 @@ static void cm109_urb_ctl_callback(struct urb *urb)
dev->ctl_data->byte[2],
dev->ctl_data->byte[3]);
if (status)
dev_err(&dev->intf->dev, "%s: urb status %d\n", __func__, status);
if (status) {
if (status == -ESHUTDOWN)
return;
dev_err_ratelimited(&dev->intf->dev, "%s: urb status %d\n",
__func__, status);
}
spin_lock(&dev->ctl_submit_lock);
@ -427,7 +433,7 @@ static void cm109_urb_ctl_callback(struct urb *urb)
if (likely(!dev->shutdown)) {
if (dev->buzzer_pending) {
if (dev->buzzer_pending || status) {
dev->buzzer_pending = 0;
dev->ctl_urb_pending = 1;
cm109_submit_buzz_toggle(dev);

1
drivers/input/mouse/alps.c
View File

@ -103,6 +103,7 @@ static const struct alps_model_info alps_model_data[] = {
/* Dell Latitude E5500, E6400, E6500, Precision M4400 */
{ { 0x62, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf,
ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED },
{ { 0x73, 0x00, 0x14 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_DUALPOINT }, /* Dell XT2 */
{ { 0x73, 0x02, 0x50 }, 0x00, ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS }, /* Dell Vostro 1400 */
{ { 0x52, 0x01, 0x14 }, 0x00, ALPS_PROTO_V2, 0xff, 0xff,
ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED }, /* Toshiba Tecra A11-11L */

23
drivers/input/serio/i8042.c
View File

@ -223,21 +223,26 @@ static int i8042_flush(void)
{
unsigned long flags;
unsigned char data, str;
int i = 0;
int count = 0;
int retval = 0;
spin_lock_irqsave(&i8042_lock, flags);
while (((str = i8042_read_status()) & I8042_STR_OBF) && (i < I8042_BUFFER_SIZE)) {
udelay(50);
data = i8042_read_data();
i++;
dbg("%02x <- i8042 (flush, %s)\n",
data, str & I8042_STR_AUXDATA ? "aux" : "kbd");
while ((str = i8042_read_status()) & I8042_STR_OBF) {
if (count++ < I8042_BUFFER_SIZE) {
udelay(50);
data = i8042_read_data();
dbg("%02x <- i8042 (flush, %s)\n",
data, str & I8042_STR_AUXDATA ? "aux" : "kbd");
} else {
retval = -EIO;
break;
}
}
spin_unlock_irqrestore(&i8042_lock, flags);
return i;
return retval;
}
/*
@ -849,7 +854,7 @@ static int __init i8042_check_aux(void)
static int i8042_controller_check(void)
{
if (i8042_flush() == I8042_BUFFER_SIZE) {
if (i8042_flush()) {
pr_err("No controller found\n");
return -ENODEV;
}

4
drivers/input/tablet/wacom_sys.c
View File

@ -1031,6 +1031,7 @@ static void wacom_destroy_leds(struct wacom *wacom)
}
static enum power_supply_property wacom_battery_props[] = {
POWER_SUPPLY_PROP_SCOPE,
POWER_SUPPLY_PROP_CAPACITY
};
@ -1042,6 +1043,9 @@ static int wacom_battery_get_property(struct power_supply *psy,
int ret = 0;
switch (psp) {
case POWER_SUPPLY_PROP_SCOPE:
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
break;
case POWER_SUPPLY_PROP_CAPACITY:
val->intval =
wacom->wacom_wac.battery_capacity * 100 / 31;

8
drivers/input/tablet/wacom_wac.c
View File

@ -2054,6 +2054,12 @@ static const struct wacom_features wacom_features_0x101 =
static const struct wacom_features wacom_features_0x10D =
{ "Wacom ISDv4 10D", WACOM_PKGLEN_MTTPC, 26202, 16325, 255,
0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x10E =
{ "Wacom ISDv4 10E", WACOM_PKGLEN_MTTPC, 27760, 15694, 255,
0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x10F =
{ "Wacom ISDv4 10F", WACOM_PKGLEN_MTTPC, 27760, 15694, 255,
0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x4001 =
{ "Wacom ISDv4 4001", WACOM_PKGLEN_MTTPC, 26202, 16325, 255,
0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@ -2248,6 +2254,8 @@ const struct usb_device_id wacom_ids[] = {
{ USB_DEVICE_WACOM(0x100) },
{ USB_DEVICE_WACOM(0x101) },
{ USB_DEVICE_WACOM(0x10D) },
{ USB_DEVICE_WACOM(0x10E) },
{ USB_DEVICE_WACOM(0x10F) },
{ USB_DEVICE_WACOM(0x300) },
{ USB_DEVICE_WACOM(0x301) },
{ USB_DEVICE_WACOM(0x304) },

6
drivers/pci/hotplug/acpiphp_glue.c
View File

@ -552,9 +552,8 @@ static void __ref enable_slot(struct acpiphp_slot *slot)
struct acpiphp_func *func;
int max, pass;
LIST_HEAD(add_list);
int nr_found;
nr_found = acpiphp_rescan_slot(slot);
acpiphp_rescan_slot(slot);
max = acpiphp_max_busnr(bus);
for (pass = 0; pass < 2; pass++) {
list_for_each_entry(dev, &bus->devices, bus_list) {
@ -574,9 +573,6 @@ static void __ref enable_slot(struct acpiphp_slot *slot)
}
}
__pci_bus_assign_resources(bus, &add_list, NULL);
/* Nothing more to do here if there are no new devices on this bus. */
if (!nr_found && (slot->flags & SLOT_ENABLED))
return;
acpiphp_sanitize_bus(bus);
acpiphp_set_hpp_values(bus);

2
drivers/scsi/aacraid/linit.c
View File

@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}

176
drivers/scsi/sg.c
View File

@ -105,8 +105,11 @@ static int scatter_elem_sz_prev = SG_SCATTER_SZ;
static int sg_add(struct device *, struct class_interface *);
static void sg_remove(struct device *, struct class_interface *);
static DEFINE_SPINLOCK(sg_open_exclusive_lock);
static DEFINE_IDR(sg_index_idr);
static DEFINE_RWLOCK(sg_index_lock);
static DEFINE_RWLOCK(sg_index_lock); /* Also used to lock
file descriptor list for device */
static struct class_interface sg_interface = {
.add_dev = sg_add,
@ -143,7 +146,8 @@ typedef struct sg_request { /* SG_MAX_QUEUE requests outstanding per file */
} Sg_request;
typedef struct sg_fd { /* holds the state of a file descriptor */
struct list_head sfd_siblings; /* protected by sfd_lock of device */
/* sfd_siblings is protected by sg_index_lock */
struct list_head sfd_siblings;
struct sg_device *parentdp; /* owning device */
wait_queue_head_t read_wait; /* queue read until command done */
rwlock_t rq_list_lock; /* protect access to list in req_arr */
@ -166,12 +170,13 @@ typedef struct sg_fd { /* holds the state of a file descriptor */
typedef struct sg_device { /* holds the state of each scsi generic device */
struct scsi_device *device;
wait_queue_head_t o_excl_wait; /* queue open() when O_EXCL in use */
int sg_tablesize; /* adapter's max scatter-gather table size */
u32 index; /* device index number */
spinlock_t sfd_lock; /* protect file descriptor list for device */
/* sfds is protected by sg_index_lock */
struct list_head sfds;
struct rw_semaphore o_sem; /* exclude open should hold this rwsem */
volatile char detached; /* 0->attached, 1->detached pending removal */
/* exclude protected by sg_open_exclusive_lock */
char exclude; /* opened for exclusive access */
char sgdebug; /* 0->off, 1->sense, 9->dump dev, 10-> all devs */
struct gendisk *disk;
@ -220,14 +225,35 @@ static int sg_allow_access(struct file *filp, unsigned char *cmd)
return blk_verify_command(cmd, filp->f_mode & FMODE_WRITE);
}
static int get_exclude(Sg_device *sdp)
{
unsigned long flags;
int ret;
spin_lock_irqsave(&sg_open_exclusive_lock, flags);
ret = sdp->exclude;
spin_unlock_irqrestore(&sg_open_exclusive_lock, flags);
return ret;
}
static int set_exclude(Sg_device *sdp, char val)
{
unsigned long flags;
spin_lock_irqsave(&sg_open_exclusive_lock, flags);
sdp->exclude = val;
spin_unlock_irqrestore(&sg_open_exclusive_lock, flags);
return val;
}
static int sfds_list_empty(Sg_device *sdp)
{
unsigned long flags;
int ret;
spin_lock_irqsave(&sdp->sfd_lock, flags);
read_lock_irqsave(&sg_index_lock, flags);
ret = list_empty(&sdp->sfds);
spin_unlock_irqrestore(&sdp->sfd_lock, flags);
read_unlock_irqrestore(&sg_index_lock, flags);
return ret;
}
@ -239,6 +265,7 @@ sg_open(struct inode *inode, struct file *filp)
struct request_queue *q;
Sg_device *sdp;
Sg_fd *sfp;
int res;
int retval;
nonseekable_open(inode, filp);
@ -267,52 +294,54 @@ sg_open(struct inode *inode, struct file *filp)
goto error_out;
}
if ((flags & O_EXCL) && (O_RDONLY == (flags & O_ACCMODE))) {
retval = -EPERM; /* Can't lock it with read only access */
if (flags & O_EXCL) {
if (O_RDONLY == (flags & O_ACCMODE)) {
retval = -EPERM; /* Can't lock it with read only access */
goto error_out;
}
if (!sfds_list_empty(sdp) && (flags & O_NONBLOCK)) {
retval = -EBUSY;
goto error_out;
}
res = wait_event_interruptible(sdp->o_excl_wait,
((!sfds_list_empty(sdp) || get_exclude(sdp)) ? 0 : set_exclude(sdp, 1)));
if (res) {
retval = res; /* -ERESTARTSYS because signal hit process */
goto error_out;
}
} else if (get_exclude(sdp)) { /* some other fd has an exclusive lock on dev */
if (flags & O_NONBLOCK) {
retval = -EBUSY;
goto error_out;
}
res = wait_event_interruptible(sdp->o_excl_wait, !get_exclude(sdp));
if (res) {
retval = res; /* -ERESTARTSYS because signal hit process */
goto error_out;
}
}
if (sdp->detached) {
retval = -ENODEV;
goto error_out;
}
if (flags & O_NONBLOCK) {
if (flags & O_EXCL) {
if (!down_write_trylock(&sdp->o_sem)) {
retval = -EBUSY;
goto error_out;
}
} else {
if (!down_read_trylock(&sdp->o_sem)) {
retval = -EBUSY;
goto error_out;
}
}
} else {
if (flags & O_EXCL)
down_write(&sdp->o_sem);
else
down_read(&sdp->o_sem);
}
/* Since write lock is held, no need to check sfd_list */
if (flags & O_EXCL)
sdp->exclude = 1; /* used by release lock */
if (sfds_list_empty(sdp)) { /* no existing opens on this device */
sdp->sgdebug = 0;
q = sdp->device->request_queue;
sdp->sg_tablesize = queue_max_segments(q);
}
sfp = sg_add_sfp(sdp, dev);
if (!IS_ERR(sfp))
if ((sfp = sg_add_sfp(sdp, dev)))
filp->private_data = sfp;
/* retval is already provably zero at this point because of the
* check after retval = scsi_autopm_get_device(sdp->device))
*/
else {
retval = PTR_ERR(sfp);
if (flags & O_EXCL) {
sdp->exclude = 0; /* undo if error */
up_write(&sdp->o_sem);
} else
up_read(&sdp->o_sem);
set_exclude(sdp, 0); /* undo if error */
wake_up_interruptible(&sdp->o_excl_wait);
}
retval = -ENOMEM;
goto error_out;
}
retval = 0;
error_out:
if (retval) {
scsi_autopm_put_device(sdp->device);
sdp_put:
scsi_device_put(sdp->device);
@ -329,18 +358,13 @@ sg_release(struct inode *inode, struct file *filp)
{
Sg_device *sdp;
Sg_fd *sfp;
int excl;
if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
return -ENXIO;
SCSI_LOG_TIMEOUT(3, printk("sg_release: %s\n", sdp->disk->disk_name));
excl = sdp->exclude;
sdp->exclude = 0;
if (excl)
up_write(&sdp->o_sem);
else
up_read(&sdp->o_sem);
set_exclude(sdp, 0);
wake_up_interruptible(&sdp->o_excl_wait);
scsi_autopm_put_device(sdp->device);
kref_put(&sfp->f_ref, sg_remove_sfp);
@ -1391,9 +1415,8 @@ static Sg_device *sg_alloc(struct gendisk *disk, struct scsi_device *scsidp)
disk->first_minor = k;
sdp->disk = disk;
sdp->device = scsidp;
spin_lock_init(&sdp->sfd_lock);
INIT_LIST_HEAD(&sdp->sfds);
init_rwsem(&sdp->o_sem);
init_waitqueue_head(&sdp->o_excl_wait);
sdp->sg_tablesize = queue_max_segments(q);
sdp->index = k;
kref_init(&sdp->d_ref);
@ -1526,13 +1549,11 @@ static void sg_remove(struct device *cl_dev, struct class_interface *cl_intf)
/* Need a write lock to set sdp->detached. */
write_lock_irqsave(&sg_index_lock, iflags);
spin_lock(&sdp->sfd_lock);
sdp->detached = 1;
list_for_each_entry(sfp, &sdp->sfds, sfd_siblings) {
wake_up_interruptible(&sfp->read_wait);
kill_fasync(&sfp->async_qp, SIGPOLL, POLL_HUP);
}
spin_unlock(&sdp->sfd_lock);
write_unlock_irqrestore(&sg_index_lock, iflags);
sysfs_remove_link(&scsidp->sdev_gendev.kobj, "generic");
@ -2043,7 +2064,7 @@ sg_add_sfp(Sg_device * sdp, int dev)
sfp = kzalloc(sizeof(*sfp), GFP_ATOMIC | __GFP_NOWARN);
if (!sfp)
return ERR_PTR(-ENOMEM);
return NULL;
init_waitqueue_head(&sfp->read_wait);
rwlock_init(&sfp->rq_list_lock);
@ -2057,13 +2078,9 @@ sg_add_sfp(Sg_device * sdp, int dev)
sfp->cmd_q = SG_DEF_COMMAND_Q;
sfp->keep_orphan = SG_DEF_KEEP_ORPHAN;
sfp->parentdp = sdp;
spin_lock_irqsave(&sdp->sfd_lock, iflags);
if (sdp->detached) {
spin_unlock_irqrestore(&sdp->sfd_lock, iflags);
return ERR_PTR(-ENODEV);
}
write_lock_irqsave(&sg_index_lock, iflags);
list_add_tail(&sfp->sfd_siblings, &sdp->sfds);
spin_unlock_irqrestore(&sdp->sfd_lock, iflags);
write_unlock_irqrestore(&sg_index_lock, iflags);
SCSI_LOG_TIMEOUT(3, printk("sg_add_sfp: sfp=0x%p\n", sfp));
if (unlikely(sg_big_buff != def_reserved_size))
sg_big_buff = def_reserved_size;
@ -2113,9 +2130,10 @@ static void sg_remove_sfp(struct kref *kref)
struct sg_device *sdp = sfp->parentdp;
unsigned long iflags;
spin_lock_irqsave(&sdp->sfd_lock, iflags);
write_lock_irqsave(&sg_index_lock, iflags);
list_del(&sfp->sfd_siblings);
spin_unlock_irqrestore(&sdp->sfd_lock, iflags);
write_unlock_irqrestore(&sg_index_lock, iflags);
wake_up_interruptible(&sdp->o_excl_wait);
INIT_WORK(&sfp->ew.work, sg_remove_sfp_usercontext);
schedule_work(&sfp->ew.work);
@ -2502,7 +2520,7 @@ static int sg_proc_seq_show_devstrs(struct seq_file *s, void *v)
return 0;
}
/* must be called while holding sg_index_lock and sfd_lock */
/* must be called while holding sg_index_lock */
static void sg_proc_debug_helper(struct seq_file *s, Sg_device * sdp)
{
int k, m, new_interface, blen, usg;
@ -2587,26 +2605,22 @@ static int sg_proc_seq_show_debug(struct seq_file *s, void *v)
read_lock_irqsave(&sg_index_lock, iflags);
sdp = it ? sg_lookup_dev(it->index) : NULL;
if (sdp) {
spin_lock(&sdp->sfd_lock);
if (!list_empty(&sdp->sfds)) {
struct scsi_device *scsidp = sdp->device;
if (sdp && !list_empty(&sdp->sfds)) {
struct scsi_device *scsidp = sdp->device;
seq_printf(s, " >>> device=%s ", sdp->disk->disk_name);
if (sdp->detached)
seq_printf(s, "detached pending close ");
else
seq_printf
(s, "scsi%d chan=%d id=%d lun=%d em=%d",
scsidp->host->host_no,
scsidp->channel, scsidp->id,
scsidp->lun,
scsidp->host->hostt->emulated);
seq_printf(s, " sg_tablesize=%d excl=%d\n",
sdp->sg_tablesize, sdp->exclude);
sg_proc_debug_helper(s, sdp);
}
spin_unlock(&sdp->sfd_lock);
seq_printf(s, " >>> device=%s ", sdp->disk->disk_name);
if (sdp->detached)
seq_printf(s, "detached pending close ");
else
seq_printf
(s, "scsi%d chan=%d id=%d lun=%d em=%d",
scsidp->host->host_no,
scsidp->channel, scsidp->id,
scsidp->lun,
scsidp->host->hostt->emulated);
seq_printf(s, " sg_tablesize=%d excl=%d\n",
sdp->sg_tablesize, get_exclude(sdp));
sg_proc_debug_helper(s, sdp);
}
read_unlock_irqrestore(&sg_index_lock, iflags);
return 0;

1
drivers/staging/bcm/Bcmchar.c
View File

@ -1960,6 +1960,7 @@ cntrlEnd:
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Called IOCTL_BCM_GET_DEVICE_DRIVER_INFO\n");
memset(&DevInfo, 0, sizeof(DevInfo));
DevInfo.MaxRDMBufferSize = BUFFER_4K;
DevInfo.u32DSDStartOffset = EEPROM_CALPARAM_START;
DevInfo.u32RxAlignmentCorrection = 0;

3
drivers/staging/ozwpan/ozcdev.c
View File

@ -155,6 +155,9 @@ static ssize_t oz_cdev_write(struct file *filp, const char __user *buf,
struct oz_app_hdr *app_hdr;
struct oz_serial_ctx *ctx;
if (count > sizeof(ei->data) - sizeof(*elt) - sizeof(*app_hdr))
return -EINVAL;
spin_lock_bh(&g_cdev.lock);
pd = g_cdev.active_pd;
if (pd)

2
drivers/staging/sb105x/sb_pci_mp.c
View File

@ -1063,7 +1063,7 @@ static int mp_wait_modem_status(struct sb_uart_state *state, unsigned long arg)
static int mp_get_count(struct sb_uart_state *state, struct serial_icounter_struct *icnt)
{
struct serial_icounter_struct icount;
struct serial_icounter_struct icount = {};
struct sb_uart_icount cnow;
struct sb_uart_port *port = state->port;

9
drivers/staging/wlags49_h2/wl_priv.c
View File

@ -570,6 +570,7 @@ int wvlan_uil_put_info(struct uilreq *urq, struct wl_private *lp)
ltv_t *pLtv;
bool_t ltvAllocated = FALSE;
ENCSTRCT sEncryption;
size_t len;
#ifdef USE_WDS
hcf_16 hcfPort = HCF_PORT_0;
@ -686,7 +687,8 @@ int wvlan_uil_put_info(struct uilreq *urq, struct wl_private *lp)
break;
case CFG_CNF_OWN_NAME:
memset(lp->StationName, 0, sizeof(lp->StationName));
memcpy((void *)lp->StationName, (void *)&pLtv->u.u8[2], (size_t)pLtv->u.u16[0]);
len = min_t(size_t, pLtv->u.u16[0], sizeof(lp->StationName));
strlcpy(lp->StationName, &pLtv->u.u8[2], len);
pLtv->u.u16[0] = CNV_INT_TO_LITTLE(pLtv->u.u16[0]);
break;
case CFG_CNF_LOAD_BALANCING:
@ -1783,6 +1785,7 @@ int wvlan_set_station_nickname(struct net_device *dev,
{
struct wl_private *lp = wl_priv(dev);
unsigned long flags;
size_t len;
int ret = 0;
/*------------------------------------------------------------------------*/
@ -1793,8 +1796,8 @@ int wvlan_set_station_nickname(struct net_device *dev,
wl_lock(lp, &flags);
memset(lp->StationName, 0, sizeof(lp->StationName));
memcpy(lp->StationName, extra, wrqu->data.length);
len = min_t(size_t, wrqu->data.length, sizeof(lp->StationName));
strlcpy(lp->StationName, extra, len);
/* Commit the adapter parameters */
wl_apply(lp);

9
drivers/tty/serial/atmel_serial.c
View File

@ -1499,7 +1499,7 @@ static void atmel_set_ops(struct uart_port *port)
/*
* Get ip name usart or uart
*/
static int atmel_get_ip_name(struct uart_port *port)
static void atmel_get_ip_name(struct uart_port *port)
{
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
int name = UART_GET_IP_NAME(port);
@ -1518,10 +1518,7 @@ static int atmel_get_ip_name(struct uart_port *port)
atmel_port->is_usart = false;
} else {
dev_err(port->dev, "Not supported ip name, set to uart\n");
return -EINVAL;
}
return 0;
}
/*
@ -2405,9 +2402,7 @@ static int atmel_serial_probe(struct platform_device *pdev)
/*
* Get port name of usart or uart
*/
ret = atmel_get_ip_name(&port->uart);
if (ret < 0)
goto err_add_port;
atmel_get_ip_name(&port->uart);
return 0;

17
drivers/uio/uio.c
View File

@ -642,16 +642,29 @@ static int uio_mmap_physical(struct vm_area_struct *vma)
{
struct uio_device *idev = vma->vm_private_data;
int mi = uio_find_mem_index(vma);
struct uio_mem *mem;
if (mi < 0)
return -EINVAL;
mem = idev->info->mem + mi;
if (vma->vm_end - vma->vm_start > mem->size)
return -EINVAL;
vma->vm_ops = &uio_physical_vm_ops;
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
/*
* We cannot use the vm_iomap_memory() helper here,
* because vma->vm_pgoff is the map index we looked
* up above in uio_find_mem_index(), rather than an
* actual page offset into the mmap.
*
* So we just do the physical mmap without a page
* offset.
*/
return remap_pfn_range(vma,
vma->vm_start,
idev->info->mem[mi].addr >> PAGE_SHIFT,
mem->addr >> PAGE_SHIFT,
vma->vm_end - vma->vm_start,
vma->vm_page_prot);
}

1
drivers/usb/serial/ftdi_sio.c
View File

@ -904,6 +904,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
/* Crucible Devices */
{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) },
{ } /* Terminating entry */
};

6
drivers/usb/serial/ftdi_sio_ids.h
View File

@ -1307,3 +1307,9 @@
* Manufacturer: Crucible Technologies
*/
#define FTDI_CT_COMET_PID 0x8e08
/*
* Product: Z3X Box
* Manufacturer: Smart GSM Team
*/
#define FTDI_Z3X_PID 0x0011

276
drivers/usb/serial/pl2303.c
View File

@ -4,11 +4,6 @@
* Copyright (C) 2001-2007 Greg Kroah-Hartman (greg@kroah.com)
* Copyright (C) 2003 IBM Corp.
*
* Copyright (C) 2009, 2013 Frank Schäfer <fschaefer.oss@googlemail.com>
* - fixes, improvements and documentation for the baud rate encoding methods
* Copyright (C) 2013 Reinhard Max <max@suse.de>
* - fixes and improvements for the divisor based baud rate encoding method
*
* Original driver for 2.2.x by anonymous
*
* This program is free software; you can redistribute it and/or
@ -134,18 +129,10 @@ MODULE_DEVICE_TABLE(usb, id_table);
enum pl2303_type {
type_0, /* H version ? */
type_1, /* H version ? */
HX_TA, /* HX(A) / X(A) / TA version */ /* TODO: improve */
HXD_EA_RA_SA, /* HXD / EA / RA / SA version */ /* TODO: improve */
TB, /* TB version */
HX_CLONE, /* Cheap and less functional clone of the HX chip */
type_0, /* don't know the difference between type 0 and */
type_1, /* type 1, until someone from prolific tells us... */
HX, /* HX version of the pl2303 chip */
};
/*
* NOTE: don't know the difference between type 0 and type 1,
* until someone from Prolific tells us...
* TODO: distinguish between X/HX, TA and HXD, EA, RA, SA variants
*/
struct pl2303_serial_private {
enum pl2303_type type;
@ -185,7 +172,6 @@ static int pl2303_startup(struct usb_serial *serial)
{
struct pl2303_serial_private *spriv;
enum pl2303_type type = type_0;
char *type_str = "unknown (treating as type_0)";
unsigned char *buf;
spriv = kzalloc(sizeof(*spriv), GFP_KERNEL);
@ -198,53 +184,15 @@ static int pl2303_startup(struct usb_serial *serial)
return -ENOMEM;
}
if (serial->dev->descriptor.bDeviceClass == 0x02) {
if (serial->dev->descriptor.bDeviceClass == 0x02)
type = type_0;
type_str = "type_0";
} else if (serial->dev->descriptor.bMaxPacketSize0 == 0x40) {
/*
* NOTE: The bcdDevice version is the only difference between
* the device descriptors of the X/HX, HXD, EA, RA, SA, TA, TB
*/
if (le16_to_cpu(serial->dev->descriptor.bcdDevice) == 0x300) {
/* Check if the device is a clone */
pl2303_vendor_read(0x9494, 0, serial, buf);
/*
* NOTE: Not sure if this read is really needed.
* The HX returns 0x00, the clone 0x02, but the Windows
* driver seems to ignore the value and continues.
*/
pl2303_vendor_write(0x0606, 0xaa, serial);
pl2303_vendor_read(0x8686, 0, serial, buf);
if (buf[0] != 0xaa) {
type = HX_CLONE;
type_str = "X/HX clone (limited functionality)";
} else {
type = HX_TA;
type_str = "X/HX/TA";
}
pl2303_vendor_write(0x0606, 0x00, serial);
} else if (le16_to_cpu(serial->dev->descriptor.bcdDevice)
== 0x400) {
type = HXD_EA_RA_SA;
type_str = "HXD/EA/RA/SA";
} else if (le16_to_cpu(serial->dev->descriptor.bcdDevice)
== 0x500) {
type = TB;
type_str = "TB";
} else {
dev_info(&serial->interface->dev,
"unknown/unsupported device type\n");
kfree(spriv);
kfree(buf);
return -ENODEV;
}
} else if (serial->dev->descriptor.bDeviceClass == 0x00
|| serial->dev->descriptor.bDeviceClass == 0xFF) {
else if (serial->dev->descriptor.bMaxPacketSize0 == 0x40)
type = HX;
else if (serial->dev->descriptor.bDeviceClass == 0x00)
type = type_1;
type_str = "type_1";
}
dev_dbg(&serial->interface->dev, "device type: %s\n", type_str);
else if (serial->dev->descriptor.bDeviceClass == 0xFF)
type = type_1;
dev_dbg(&serial->interface->dev, "device type: %d\n", type);
spriv->type = type;
usb_set_serial_data(serial, spriv);
@ -259,10 +207,10 @@ static int pl2303_startup(struct usb_serial *serial)
pl2303_vendor_read(0x8383, 0, serial, buf);
pl2303_vendor_write(0, 1, serial);
pl2303_vendor_write(1, 0, serial);
if (type == type_0 || type == type_1)
pl2303_vendor_write(2, 0x24, serial);
else
if (type == HX)
pl2303_vendor_write(2, 0x44, serial);
else
pl2303_vendor_write(2, 0x24, serial);
kfree(buf);
return 0;
@ -316,174 +264,65 @@ static int pl2303_set_control_lines(struct usb_serial_port *port, u8 value)
return retval;
}
static int pl2303_baudrate_encode_direct(int baud, enum pl2303_type type,
u8 buf[4])
static void pl2303_encode_baudrate(struct tty_struct *tty,
struct usb_serial_port *port,
u8 buf[4])
{
/*
* NOTE: Only the values defined in baud_sup are supported !
* => if unsupported values are set, the PL2303 uses 9600 baud instead
* => HX clones just don't work at unsupported baud rates < 115200 baud,
* for baud rates > 115200 they run at 115200 baud
*/
const int baud_sup[] = { 75, 150, 300, 600, 1200, 1800, 2400, 3600,
4800, 7200, 9600, 14400, 19200, 28800, 38400,
57600, 115200, 230400, 460800, 614400, 921600,
1228800, 2457600, 3000000, 6000000, 12000000 };
/*
* NOTE: With the exception of type_0/1 devices, the following
* additional baud rates are supported (tested with HX rev. 3A only):
* 110*, 56000*, 128000, 134400, 161280, 201600, 256000*, 268800,
* 403200, 806400. (*: not HX and HX clones)
*
* Maximum values: HXD, TB: 12000000; HX, TA: 6000000;
* type_0+1: 1228800; RA: 921600; HX clones, SA: 115200
*
* As long as we are not using this encoding method for anything else
* than the type_0+1, HX and HX clone chips, there is no point in
* complicating the code to support them.
*/
4800, 7200, 9600, 14400, 19200, 28800, 38400,
57600, 115200, 230400, 460800, 500000, 614400,
921600, 1228800, 2457600, 3000000, 6000000 };
struct usb_serial *serial = port->serial;
struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
int baud;
int i;
/*
* NOTE: Only the values defined in baud_sup are supported!
* => if unsupported values are set, the PL2303 seems to use
* 9600 baud (at least my PL2303X always does)
*/
baud = tty_get_baud_rate(tty);
dev_dbg(&port->dev, "baud requested = %d\n", baud);
if (!baud)
return;
/* Set baudrate to nearest supported value */
for (i = 0; i < ARRAY_SIZE(baud_sup); ++i) {
if (baud_sup[i] > baud)
break;
}
if (i == ARRAY_SIZE(baud_sup))
baud = baud_sup[i - 1];
else if (i > 0 && (baud_sup[i] - baud) > (baud - baud_sup[i - 1]))
baud = baud_sup[i - 1];
else
baud = baud_sup[i];
/* Respect the chip type specific baud rate limits */
/*
* FIXME: as long as we don't know how to distinguish between the
* HXD, EA, RA, and SA chip variants, allow the max. value of 12M.
*/
if (type == HX_TA)
baud = min_t(int, baud, 6000000);
else if (type == type_0 || type == type_1)
/* type_0, type_1 only support up to 1228800 baud */
if (spriv->type != HX)
baud = min_t(int, baud, 1228800);
else if (type == HX_CLONE)
baud = min_t(int, baud, 115200);
/* Direct (standard) baud rate encoding method */
put_unaligned_le32(baud, buf);
return baud;
}
static int pl2303_baudrate_encode_divisor(int baud, enum pl2303_type type,
u8 buf[4])
{
/*
* Divisor based baud rate encoding method
*
* NOTE: HX clones do NOT support this method.
* It's not clear if the type_0/1 chips support it.
*
* divisor = 12MHz * 32 / baudrate = 2^A * B
*
* with
*
* A = buf[1] & 0x0e
* B = buf[0] + (buf[1] & 0x01) << 8
*
* Special cases:
* => 8 < B < 16: device seems to work not properly
* => B <= 8: device uses the max. value B = 512 instead
*/
unsigned int A, B;
/*
* NOTE: The Windows driver allows maximum baud rates of 110% of the
* specified maximium value.
* Quick tests with early (2004) HX (rev. A) chips suggest, that even
* higher baud rates (up to the maximum of 24M baud !) are working fine,
* but that should really be tested carefully in "real life" scenarios
* before removing the upper limit completely.
* Baud rates smaller than the specified 75 baud are definitely working
* fine.
*/
if (type == type_0 || type == type_1)
baud = min_t(int, baud, 1228800 * 1.1);
else if (type == HX_TA)
baud = min_t(int, baud, 6000000 * 1.1);
else if (type == HXD_EA_RA_SA)
/* HXD, EA: 12Mbps; RA: 1Mbps; SA: 115200 bps */
/*
* FIXME: as long as we don't know how to distinguish between
* these chip variants, allow the max. of these values
*/
baud = min_t(int, baud, 12000000 * 1.1);
else if (type == TB)
baud = min_t(int, baud, 12000000 * 1.1);
/* Determine factors A and B */
A = 0;
B = 12000000 * 32 / baud; /* 12MHz */
B <<= 1; /* Add one bit for rounding */
while (B > (512 << 1) && A <= 14) {
A += 2;
B >>= 2;
}
if (A > 14) { /* max. divisor = min. baudrate reached */
A = 14;
B = 512;
/* => ~45.78 baud */
if (baud <= 115200) {
put_unaligned_le32(baud, buf);
} else {
B = (B + 1) >> 1; /* Round the last bit */
}
/* Handle special cases */
if (B == 512)
B = 0; /* also: 1 to 8 */
else if (B < 16)
/*
* NOTE: With the current algorithm this happens
* only for A=0 and means that the min. divisor
* (respectively: the max. baudrate) is reached.
* Apparently the formula for higher speeds is:
* baudrate = 12M * 32 / (2^buf[1]) / buf[0]
*/
B = 16; /* => 24 MBaud */
/* Encode the baud rate */
buf[3] = 0x80; /* Select divisor encoding method */
buf[2] = 0;
buf[1] = (A & 0x0e); /* A */
buf[1] |= ((B & 0x100) >> 8); /* MSB of B */
buf[0] = B & 0xff; /* 8 LSBs of B */
/* Calculate the actual/resulting baud rate */
if (B <= 8)
B = 512;
baud = 12000000 * 32 / ((1 << A) * B);
unsigned tmp = 12000000 * 32 / baud;
buf[3] = 0x80;
buf[2] = 0;
buf[1] = (tmp >= 256);
while (tmp >= 256) {
tmp >>= 2;
buf[1] <<= 1;
}
buf[0] = tmp;
}
return baud;
}
static void pl2303_encode_baudrate(struct tty_struct *tty,
struct usb_serial_port *port,
enum pl2303_type type,
u8 buf[4])
{
int baud;
baud = tty_get_baud_rate(tty);
dev_dbg(&port->dev, "baud requested = %d\n", baud);
if (!baud)
return;
/*
* There are two methods for setting/encoding the baud rate
* 1) Direct method: encodes the baud rate value directly
* => supported by all chip types
* 2) Divisor based method: encodes a divisor to a base value (12MHz*32)
* => not supported by HX clones (and likely type_0/1 chips)
*
* NOTE: Although the divisor based baud rate encoding method is much
* more flexible, some of the standard baud rate values can not be
* realized exactly. But the difference is very small (max. 0.2%) and
* the device likely uses the same baud rate generator for both methods
* so that there is likley no difference.
*/
if (type == type_0 || type == type_1 || type == HX_CLONE)
baud = pl2303_baudrate_encode_direct(baud, type, buf);
else
baud = pl2303_baudrate_encode_divisor(baud, type, buf);
/* Save resulting baud rate */
tty_encode_baud_rate(tty, baud, baud);
dev_dbg(&port->dev, "baud set = %d\n", baud);
@ -540,8 +379,8 @@ static void pl2303_set_termios(struct tty_struct *tty,
dev_dbg(&port->dev, "data bits = %d\n", buf[6]);
}
/* For reference: buf[0]:buf[3] baud rate value */
pl2303_encode_baudrate(tty, port, spriv->type, buf);
/* For reference buf[0]:buf[3] baud rate value */
pl2303_encode_baudrate(tty, port, &buf[0]);
/* For reference buf[4]=0 is 1 stop bits */
/* For reference buf[4]=1 is 1.5 stop bits */
@ -618,10 +457,10 @@ static void pl2303_set_termios(struct tty_struct *tty,
dev_dbg(&port->dev, "0xa1:0x21:0:0 %d - %7ph\n", i, buf);
if (C_CRTSCTS(tty)) {
if (spriv->type == type_0 || spriv->type == type_1)
pl2303_vendor_write(0x0, 0x41, serial);
else
if (spriv->type == HX)
pl2303_vendor_write(0x0, 0x61, serial);
else
pl2303_vendor_write(0x0, 0x41, serial);
} else {
pl2303_vendor_write(0x0, 0x0, serial);
}
@ -658,7 +497,7 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
int result;
if (spriv->type == type_0 || spriv->type == type_1) {
if (spriv->type != HX) {
usb_clear_halt(serial->dev, port->write_urb->pipe);
usb_clear_halt(serial->dev, port->read_urb->pipe);
} else {
@ -833,7 +672,6 @@ static void pl2303_break_ctl(struct tty_struct *tty, int break_state)
result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
BREAK_REQUEST, BREAK_REQUEST_TYPE, state,
0, NULL, 0, 100);
/* NOTE: HX clones don't support sending breaks, -EPIPE is returned */
if (result)
dev_err(&port->dev, "error sending break = %d\n", result);
}

26
drivers/video/au1100fb.c
View File

@ -361,37 +361,13 @@ void au1100fb_fb_rotate(struct fb_info *fbi, int angle)
int au1100fb_fb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
{
struct au1100fb_device *fbdev;
unsigned int len;
unsigned long start=0, off;
fbdev = to_au1100fb_device(fbi);
if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
return -EINVAL;
}
start = fbdev->fb_phys & PAGE_MASK;
len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);
off = vma->vm_pgoff << PAGE_SHIFT;
if ((vma->vm_end - vma->vm_start + off) > len) {
return -EINVAL;
}
off += start;
vma->vm_pgoff = off >> PAGE_SHIFT;
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
pgprot_val(vma->vm_page_prot) |= (6 << 9); //CCA=6
if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
vma->vm_end - vma->vm_start,
vma->vm_page_prot)) {
return -EAGAIN;
}
return 0;
return vm_iomap_memory(vma, fbdev->fb_phys, fbdev->fb_len);
}
static struct fb_ops au1100fb_ops =

23
drivers/video/au1200fb.c
View File

@ -1233,34 +1233,13 @@ static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi)
* method mainly to allow the use of the TLB streaming flag (CCA=6)
*/
static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
{
unsigned int len;
unsigned long start=0, off;
struct au1200fb_device *fbdev = info->par;
if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
return -EINVAL;
}
start = fbdev->fb_phys & PAGE_MASK;
len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);
off = vma->vm_pgoff << PAGE_SHIFT;
if ((vma->vm_end - vma->vm_start + off) > len) {
return -EINVAL;
}
off += start;
vma->vm_pgoff = off >> PAGE_SHIFT;
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */
return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
vma->vm_end - vma->vm_start,
vma->vm_page_prot);
return vm_iomap_memory(vma, fbdev->fb_phys, fbdev->fb_len);
}
static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)

5
fs/dcache.c
View File

@ -542,7 +542,7 @@ EXPORT_SYMBOL(d_drop);
* If ref is non-zero, then decrement the refcount too.
* Returns dentry requiring refcount drop, or NULL if we're done.
*/
static inline struct dentry *
static struct dentry *
dentry_kill(struct dentry *dentry, int unlock_on_failure)
__releases(dentry->d_lock)
{
@ -630,7 +630,8 @@ repeat:
goto kill_it;
}
dentry->d_flags |= DCACHE_REFERENCED;
if (!(dentry->d_flags & DCACHE_REFERENCED))
dentry->d_flags |= DCACHE_REFERENCED;
dentry_lru_add(dentry);
dentry->d_lockref.count--;

4
fs/eventpoll.c
View File

@ -34,7 +34,6 @@
#include <linux/mutex.h>
#include <linux/anon_inodes.h>
#include <linux/device.h>
#include <linux/freezer.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/mman.h>
@ -1605,8 +1604,7 @@ fetch_events:
}
spin_unlock_irqrestore(&ep->lock, flags);
if (!freezable_schedule_hrtimeout_range(to, slack,
HRTIMER_MODE_ABS))
if (!schedule_hrtimeout_range(to, slack, HRTIMER_MODE_ABS))
timed_out = 1;
spin_lock_irqsave(&ep->lock, flags);

3
fs/select.c
View File

@ -238,8 +238,7 @@ int poll_schedule_timeout(struct poll_wqueues *pwq, int state,
set_current_state(state);
if (!pwq->triggered)
rc = freezable_schedule_hrtimeout_range(expires, slack,
HRTIMER_MODE_ABS);
rc = schedule_hrtimeout_range(expires, slack, HRTIMER_MODE_ABS);
__set_current_state(TASK_RUNNING);
/*

6
include/linux/ipc_namespace.h
View File

@ -34,9 +34,9 @@ struct ipc_namespace {
int sem_ctls[4];
int used_sems;
int msg_ctlmax;
int msg_ctlmnb;
int msg_ctlmni;
unsigned int msg_ctlmax;
unsigned int msg_ctlmnb;
unsigned int msg_ctlmni;
atomic_t msg_bytes;
atomic_t msg_hdrs;
int auto_msgmni;

8
include/linux/percpu.h
View File

@ -332,7 +332,7 @@ do { \
#endif
#ifndef this_cpu_sub
# define this_cpu_sub(pcp, val) this_cpu_add((pcp), -(val))
# define this_cpu_sub(pcp, val) this_cpu_add((pcp), -(typeof(pcp))(val))
#endif
#ifndef this_cpu_inc
@ -418,7 +418,7 @@ do { \
# define this_cpu_add_return(pcp, val) __pcpu_size_call_return2(this_cpu_add_return_, pcp, val)
#endif
#define this_cpu_sub_return(pcp, val) this_cpu_add_return(pcp, -(val))
#define this_cpu_sub_return(pcp, val) this_cpu_add_return(pcp, -(typeof(pcp))(val))
#define this_cpu_inc_return(pcp) this_cpu_add_return(pcp, 1)
#define this_cpu_dec_return(pcp) this_cpu_add_return(pcp, -1)
@ -586,7 +586,7 @@ do { \
#endif
#ifndef __this_cpu_sub
# define __this_cpu_sub(pcp, val) __this_cpu_add((pcp), -(val))
# define __this_cpu_sub(pcp, val) __this_cpu_add((pcp), -(typeof(pcp))(val))
#endif
#ifndef __this_cpu_inc
@ -668,7 +668,7 @@ do { \
__pcpu_size_call_return2(__this_cpu_add_return_, pcp, val)
#endif
#define __this_cpu_sub_return(pcp, val) __this_cpu_add_return(pcp, -(val))
#define __this_cpu_sub_return(pcp, val) __this_cpu_add_return(pcp, -(typeof(pcp))(val))
#define __this_cpu_inc_return(pcp) __this_cpu_add_return(pcp, 1)
#define __this_cpu_dec_return(pcp) __this_cpu_add_return(pcp, -1)

12
include/uapi/linux/perf_event.h
View File

@ -479,13 +479,15 @@ struct perf_event_mmap_page {
/*
* Control data for the mmap() data buffer.
*
* User-space reading the @data_head value should issue an rmb(), on
* SMP capable platforms, after reading this value -- see
* perf_event_wakeup().
* User-space reading the @data_head value should issue an smp_rmb(),
* after reading this value.
*
* When the mapping is PROT_WRITE the @data_tail value should be
* written by userspace to reflect the last read data. In this case
* the kernel will not over-write unread data.
* written by userspace to reflect the last read data, after issueing
* an smp_mb() to separate the data read from the ->data_tail store.
* In this case the kernel will not over-write unread data.
*
* See perf_output_put_handle() for the data ordering.
*/
__u64 data_head; /* head in the data section */
__u64 data_tail; /* user-space written tail */

20
ipc/ipc_sysctl.c
View File

@ -62,7 +62,7 @@ static int proc_ipc_dointvec_minmax_orphans(ctl_table *table, int write,
return err;
}
static int proc_ipc_callback_dointvec(ctl_table *table, int write,
static int proc_ipc_callback_dointvec_minmax(ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table ipc_table;
@ -72,7 +72,7 @@ static int proc_ipc_callback_dointvec(ctl_table *table, int write,
memcpy(&ipc_table, table, sizeof(ipc_table));
ipc_table.data = get_ipc(table);
rc = proc_dointvec(&ipc_table, write, buffer, lenp, ppos);
rc = proc_dointvec_minmax(&ipc_table, write, buffer, lenp, ppos);
if (write && !rc && lenp_bef == *lenp)
/*
@ -152,15 +152,13 @@ static int proc_ipcauto_dointvec_minmax(ctl_table *table, int write,
#define proc_ipc_dointvec NULL
#define proc_ipc_dointvec_minmax NULL
#define proc_ipc_dointvec_minmax_orphans NULL
#define proc_ipc_callback_dointvec NULL
#define proc_ipc_callback_dointvec_minmax NULL
#define proc_ipcauto_dointvec_minmax NULL
#endif
static int zero;
static int one = 1;
#ifdef CONFIG_CHECKPOINT_RESTORE
static int int_max = INT_MAX;
#endif
static struct ctl_table ipc_kern_table[] = {
{
@ -198,21 +196,27 @@ static struct ctl_table ipc_kern_table[] = {
.data = &init_ipc_ns.msg_ctlmax,
.maxlen = sizeof (init_ipc_ns.msg_ctlmax),
.mode = 0644,
.proc_handler = proc_ipc_dointvec,
.proc_handler = proc_ipc_dointvec_minmax,
.extra1 = &zero,
.extra2 = &int_max,
},
{
.procname = "msgmni",
.data = &init_ipc_ns.msg_ctlmni,
.maxlen = sizeof (init_ipc_ns.msg_ctlmni),
.mode = 0644,
.proc_handler = proc_ipc_callback_dointvec,
.proc_handler = proc_ipc_callback_dointvec_minmax,
.extra1 = &zero,
.extra2 = &int_max,
},
{
.procname = "msgmnb",
.data = &init_ipc_ns.msg_ctlmnb,
.maxlen = sizeof (init_ipc_ns.msg_ctlmnb),
.mode = 0644,
.proc_handler = proc_ipc_dointvec,
.proc_handler = proc_ipc_dointvec_minmax,
.extra1 = &zero,
.extra2 = &int_max,
},
{
.procname = "sem",

31
kernel/events/ring_buffer.c
View File

@ -87,10 +87,31 @@ again:
goto out;
/*
* Publish the known good head. Rely on the full barrier implied
* by atomic_dec_and_test() order the rb->head read and this
* write.
* Since the mmap() consumer (userspace) can run on a different CPU:
*
* kernel user
*
* READ ->data_tail READ ->data_head
* smp_mb() (A) smp_rmb() (C)
* WRITE $data READ $data
* smp_wmb() (B) smp_mb() (D)
* STORE ->data_head WRITE ->data_tail
*
* Where A pairs with D, and B pairs with C.
*
* I don't think A needs to be a full barrier because we won't in fact
* write data until we see the store from userspace. So we simply don't
* issue the data WRITE until we observe it. Be conservative for now.
*
* OTOH, D needs to be a full barrier since it separates the data READ
* from the tail WRITE.
*
* For B a WMB is sufficient since it separates two WRITEs, and for C
* an RMB is sufficient since it separates two READs.
*
* See perf_output_begin().
*/
smp_wmb();
rb->user_page->data_head = head;
/*
@ -154,9 +175,11 @@ int perf_output_begin(struct perf_output_handle *handle,
* Userspace could choose to issue a mb() before updating the
* tail pointer. So that all reads will be completed before the
* write is issued.
*
* See perf_output_put_handle().
*/
tail = ACCESS_ONCE(rb->user_page->data_tail);
smp_rmb();
smp_mb();
offset = head = local_read(&rb->head);
head += size;
if (unlikely(!perf_output_space(rb, tail, offset, head)))

2
lib/Kconfig.debug
View File

@ -983,7 +983,7 @@ config DEBUG_KOBJECT
config DEBUG_KOBJECT_RELEASE
bool "kobject release debugging"
depends on DEBUG_KERNEL
depends on DEBUG_OBJECTS_TIMERS
help
kobjects are reference counted objects. This means that their
last reference count put is not predictable, and the kobject can

3
lib/scatterlist.c
View File

@ -577,7 +577,8 @@ void sg_miter_stop(struct sg_mapping_iter *miter)
miter->__offset += miter->consumed;
miter->__remaining -= miter->consumed;
if (miter->__flags & SG_MITER_TO_SG)
if ((miter->__flags & SG_MITER_TO_SG) &&
!PageSlab(miter->page))
flush_kernel_dcache_page(miter->page);
if (miter->__flags & SG_MITER_ATOMIC) {

70
mm/huge_memory.c
View File

@ -1278,64 +1278,90 @@ out:
int do_huge_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long addr, pmd_t pmd, pmd_t *pmdp)
{
struct anon_vma *anon_vma = NULL;
struct page *page;
unsigned long haddr = addr & HPAGE_PMD_MASK;
int page_nid = -1, this_nid = numa_node_id();
int target_nid;
int current_nid = -1;
bool migrated;
bool page_locked;
bool migrated = false;
spin_lock(&mm->page_table_lock);
if (unlikely(!pmd_same(pmd, *pmdp)))
goto out_unlock;
page = pmd_page(pmd);
get_page(page);
current_nid = page_to_nid(page);
page_nid = page_to_nid(page);
count_vm_numa_event(NUMA_HINT_FAULTS);
if (current_nid == numa_node_id())
if (page_nid == this_nid)
count_vm_numa_event(NUMA_HINT_FAULTS_LOCAL);
/*
* Acquire the page lock to serialise THP migrations but avoid dropping
* page_table_lock if at all possible
*/
page_locked = trylock_page(page);
target_nid = mpol_misplaced(page, vma, haddr);
if (target_nid == -1) {
put_page(page);
goto clear_pmdnuma;
/* If the page was locked, there are no parallel migrations */
if (page_locked)
goto clear_pmdnuma;
/*
* Otherwise wait for potential migrations and retry. We do
* relock and check_same as the page may no longer be mapped.
* As the fault is being retried, do not account for it.
*/
spin_unlock(&mm->page_table_lock);
wait_on_page_locked(page);
page_nid = -1;
goto out;
}
/* Acquire the page lock to serialise THP migrations */
/* Page is misplaced, serialise migrations and parallel THP splits */
get_page(page);
spin_unlock(&mm->page_table_lock);
lock_page(page);
if (!page_locked)
lock_page(page);
anon_vma = page_lock_anon_vma_read(page);
/* Confirm the PTE did not while locked */
spin_lock(&mm->page_table_lock);
if (unlikely(!pmd_same(pmd, *pmdp))) {
unlock_page(page);
put_page(page);
page_nid = -1;
goto out_unlock;
}
spin_unlock(&mm->page_table_lock);
/* Migrate the THP to the requested node */
/*
* Migrate the THP to the requested node, returns with page unlocked
* and pmd_numa cleared.
*/
spin_unlock(&mm->page_table_lock);
migrated = migrate_misplaced_transhuge_page(mm, vma,
pmdp, pmd, addr, page, target_nid);
if (!migrated)
goto check_same;
if (migrated)
page_nid = target_nid;
task_numa_fault(target_nid, HPAGE_PMD_NR, true);
return 0;
check_same:
spin_lock(&mm->page_table_lock);
if (unlikely(!pmd_same(pmd, *pmdp)))
goto out_unlock;
goto out;
clear_pmdnuma:
BUG_ON(!PageLocked(page));
pmd = pmd_mknonnuma(pmd);
set_pmd_at(mm, haddr, pmdp, pmd);
VM_BUG_ON(pmd_numa(*pmdp));
update_mmu_cache_pmd(vma, addr, pmdp);
unlock_page(page);
out_unlock:
spin_unlock(&mm->page_table_lock);
if (current_nid != -1)
task_numa_fault(current_nid, HPAGE_PMD_NR, false);
out:
if (anon_vma)
page_unlock_anon_vma_read(anon_vma);
if (page_nid != -1)
task_numa_fault(page_nid, HPAGE_PMD_NR, migrated);
return 0;
}

3
mm/list_lru.c
View File

@ -81,8 +81,9 @@ restart:
* decrement nr_to_walk first so that we don't livelock if we
* get stuck on large numbesr of LRU_RETRY items
*/
if (--(*nr_to_walk) == 0)
if (!*nr_to_walk)
break;
--*nr_to_walk;
ret = isolate(item, &nlru->lock, cb_arg);
switch (ret) {

57
mm/memcontrol.c
View File

@ -54,6 +54,7 @@
#include <linux/page_cgroup.h>
#include <linux/cpu.h>
#include <linux/oom.h>
#include <linux/lockdep.h>
#include "internal.h"
#include <net/sock.h>
#include <net/ip.h>
@ -2046,6 +2047,12 @@ static int mem_cgroup_soft_reclaim(struct mem_cgroup *root_memcg,
return total;
}
#ifdef CONFIG_LOCKDEP
static struct lockdep_map memcg_oom_lock_dep_map = {
.name = "memcg_oom_lock",
};
#endif
static DEFINE_SPINLOCK(memcg_oom_lock);
/*
@ -2083,7 +2090,8 @@ static bool mem_cgroup_oom_trylock(struct mem_cgroup *memcg)
}
iter->oom_lock = false;
}
}
} else
mutex_acquire(&memcg_oom_lock_dep_map, 0, 1, _RET_IP_);
spin_unlock(&memcg_oom_lock);
@ -2095,6 +2103,7 @@ static void mem_cgroup_oom_unlock(struct mem_cgroup *memcg)
struct mem_cgroup *iter;
spin_lock(&memcg_oom_lock);
mutex_release(&memcg_oom_lock_dep_map, 1, _RET_IP_);
for_each_mem_cgroup_tree(iter, memcg)
iter->oom_lock = false;
spin_unlock(&memcg_oom_lock);
@ -2765,10 +2774,10 @@ done:
*ptr = memcg;
return 0;
nomem:
*ptr = NULL;
if (gfp_mask & __GFP_NOFAIL)
return 0;
return -ENOMEM;
if (!(gfp_mask & __GFP_NOFAIL)) {
*ptr = NULL;
return -ENOMEM;
}
bypass:
*ptr = root_mem_cgroup;
return -EINTR;
@ -3773,8 +3782,7 @@ void mem_cgroup_move_account_page_stat(struct mem_cgroup *from,
{
/* Update stat data for mem_cgroup */
preempt_disable();
WARN_ON_ONCE(from->stat->count[idx] < nr_pages);
__this_cpu_add(from->stat->count[idx], -nr_pages);
__this_cpu_sub(from->stat->count[idx], nr_pages);
__this_cpu_add(to->stat->count[idx], nr_pages);
preempt_enable();
}
@ -4950,31 +4958,18 @@ static void mem_cgroup_reparent_charges(struct mem_cgroup *memcg)
} while (usage > 0);
}
/*
* This mainly exists for tests during the setting of set of use_hierarchy.
* Since this is the very setting we are changing, the current hierarchy value
* is meaningless
*/
static inline bool __memcg_has_children(struct mem_cgroup *memcg)
{
struct cgroup_subsys_state *pos;
/* bounce at first found */
css_for_each_child(pos, &memcg->css)
return true;
return false;
}
/*
* Must be called with memcg_create_mutex held, unless the cgroup is guaranteed
* to be already dead (as in mem_cgroup_force_empty, for instance). This is
* from mem_cgroup_count_children(), in the sense that we don't really care how
* many children we have; we only need to know if we have any. It also counts
* any memcg without hierarchy as infertile.
*/
static inline bool memcg_has_children(struct mem_cgroup *memcg)
{
return memcg->use_hierarchy && __memcg_has_children(memcg);
lockdep_assert_held(&memcg_create_mutex);
/*
* The lock does not prevent addition or deletion to the list
* of children, but it prevents a new child from being
* initialized based on this parent in css_online(), so it's
* enough to decide whether hierarchically inherited
* attributes can still be changed or not.
*/
return memcg->use_hierarchy &&
!list_empty(&memcg->css.cgroup->children);
}
/*
@ -5054,7 +5049,7 @@ static int mem_cgroup_hierarchy_write(struct cgroup_subsys_state *css,
*/
if ((!parent_memcg || !parent_memcg->use_hierarchy) &&
(val == 1 || val == 0)) {
if (!__memcg_has_children(memcg))
if (list_empty(&memcg->css.cgroup->children))
memcg->use_hierarchy = val;
else
retval = -EBUSY;

53
mm/memory.c
View File

@ -3521,12 +3521,12 @@ static int do_nonlinear_fault(struct mm_struct *mm, struct vm_area_struct *vma,
}
int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,
unsigned long addr, int current_nid)
unsigned long addr, int page_nid)
{
get_page(page);
count_vm_numa_event(NUMA_HINT_FAULTS);
if (current_nid == numa_node_id())
if (page_nid == numa_node_id())
count_vm_numa_event(NUMA_HINT_FAULTS_LOCAL);
return mpol_misplaced(page, vma, addr);
@ -3537,7 +3537,7 @@ int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
{
struct page *page = NULL;
spinlock_t *ptl;
int current_nid = -1;
int page_nid = -1;
int target_nid;
bool migrated = false;
@ -3567,15 +3567,10 @@ int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
return 0;
}
current_nid = page_to_nid(page);
target_nid = numa_migrate_prep(page, vma, addr, current_nid);
page_nid = page_to_nid(page);
target_nid = numa_migrate_prep(page, vma, addr, page_nid);
pte_unmap_unlock(ptep, ptl);
if (target_nid == -1) {
/*
* Account for the fault against the current node if it not
* being replaced regardless of where the page is located.
*/
current_nid = numa_node_id();
put_page(page);
goto out;
}
@ -3583,11 +3578,11 @@ int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
/* Migrate to the requested node */
migrated = migrate_misplaced_page(page, target_nid);
if (migrated)
current_nid = target_nid;
page_nid = target_nid;
out:
if (current_nid != -1)
task_numa_fault(current_nid, 1, migrated);
if (page_nid != -1)
task_numa_fault(page_nid, 1, migrated);
return 0;
}
@ -3602,7 +3597,6 @@ static int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long offset;
spinlock_t *ptl;
bool numa = false;
int local_nid = numa_node_id();
spin_lock(&mm->page_table_lock);
pmd = *pmdp;
@ -3625,9 +3619,10 @@ static int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
for (addr = _addr + offset; addr < _addr + PMD_SIZE; pte++, addr += PAGE_SIZE) {
pte_t pteval = *pte;
struct page *page;
int curr_nid = local_nid;
int page_nid = -1;
int target_nid;
bool migrated;
bool migrated = false;
if (!pte_present(pteval))
continue;
if (!pte_numa(pteval))
@ -3649,25 +3644,19 @@ static int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
if (unlikely(page_mapcount(page) != 1))
continue;
/*
* Note that the NUMA fault is later accounted to either
* the node that is currently running or where the page is
* migrated to.
*/
curr_nid = local_nid;
target_nid = numa_migrate_prep(page, vma, addr,
page_to_nid(page));
if (target_nid == -1) {
page_nid = page_to_nid(page);
target_nid = numa_migrate_prep(page, vma, addr, page_nid);
pte_unmap_unlock(pte, ptl);
if (target_nid != -1) {
migrated = migrate_misplaced_page(page, target_nid);
if (migrated)
page_nid = target_nid;
} else {
put_page(page);
continue;
}
/* Migrate to the requested node */
pte_unmap_unlock(pte, ptl);
migrated = migrate_misplaced_page(page, target_nid);
if (migrated)
curr_nid = target_nid;
task_numa_fault(curr_nid, 1, migrated);
if (page_nid != -1)
task_numa_fault(page_nid, 1, migrated);
pte = pte_offset_map_lock(mm, pmdp, addr, &ptl);
}

19
mm/migrate.c
View File

@ -1715,12 +1715,12 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
unlock_page(new_page);
put_page(new_page); /* Free it */
unlock_page(page);
/* Retake the callers reference and putback on LRU */
get_page(page);
putback_lru_page(page);
count_vm_events(PGMIGRATE_FAIL, HPAGE_PMD_NR);
isolated = 0;
goto out;
mod_zone_page_state(page_zone(page),
NR_ISOLATED_ANON + page_lru, -HPAGE_PMD_NR);
goto out_fail;
}
/*
@ -1737,9 +1737,9 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma);
entry = pmd_mkhuge(entry);
page_add_new_anon_rmap(new_page, vma, haddr);
pmdp_clear_flush(vma, haddr, pmd);
set_pmd_at(mm, haddr, pmd, entry);
page_add_new_anon_rmap(new_page, vma, haddr);
update_mmu_cache_pmd(vma, address, &entry);
page_remove_rmap(page);
/*
@ -1758,7 +1758,6 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
count_vm_events(PGMIGRATE_SUCCESS, HPAGE_PMD_NR);
count_vm_numa_events(NUMA_PAGE_MIGRATE, HPAGE_PMD_NR);
out:
mod_zone_page_state(page_zone(page),
NR_ISOLATED_ANON + page_lru,
-HPAGE_PMD_NR);
@ -1767,6 +1766,10 @@ out:
out_fail:
count_vm_events(PGMIGRATE_FAIL, HPAGE_PMD_NR);
out_dropref:
entry = pmd_mknonnuma(entry);
set_pmd_at(mm, haddr, pmd, entry);
update_mmu_cache_pmd(vma, address, &entry);
unlock_page(page);
put_page(page);
return 0;

2
mm/mprotect.c
View File

@ -148,7 +148,7 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma,
split_huge_page_pmd(vma, addr, pmd);
else if (change_huge_pmd(vma, pmd, addr, newprot,
prot_numa)) {
pages += HPAGE_PMD_NR;
pages++;
continue;
}
/* fall through */

2
mm/pagewalk.c
View File

@ -242,7 +242,7 @@ int walk_page_range(unsigned long addr, unsigned long end,
if (err)
break;
pgd++;
} while (addr = next, addr != end);
} while (addr = next, addr < end);
return err;
}

12
scripts/kallsyms.c
View File

@ -55,6 +55,7 @@ static struct sym_entry *table;
static unsigned int table_size, table_cnt;
static int all_symbols = 0;
static char symbol_prefix_char = '\0';
static unsigned long long kernel_start_addr = 0;
int token_profit[0x10000];
@ -65,7 +66,10 @@ unsigned char best_table_len[256];
static void usage(void)
{
fprintf(stderr, "Usage: kallsyms [--all-symbols] [--symbol-prefix=<prefix char>] < in.map > out.S\n");
fprintf(stderr, "Usage: kallsyms [--all-symbols] "
"[--symbol-prefix=<prefix char>] "
"[--page-offset=<CONFIG_PAGE_OFFSET>] "
"< in.map > out.S\n");
exit(1);
}
@ -194,6 +198,9 @@ static int symbol_valid(struct sym_entry *s)
int i;
int offset = 1;
if (s->addr < kernel_start_addr)
return 0;
/* skip prefix char */
if (symbol_prefix_char && *(s->sym + 1) == symbol_prefix_char)
offset++;
@ -646,6 +653,9 @@ int main(int argc, char **argv)
if ((*p == '"' && *(p+2) == '"') || (*p == '\'' && *(p+2) == '\''))
p++;
symbol_prefix_char = *p;
} else if (strncmp(argv[i], "--page-offset=", 14) == 0) {
const char *p = &argv[i][14];
kernel_start_addr = strtoull(p, NULL, 16);
} else
usage();
}

2
scripts/link-vmlinux.sh
View File

@ -82,6 +82,8 @@ kallsyms()
kallsymopt="${kallsymopt} --all-symbols"
fi
kallsymopt="${kallsymopt} --page-offset=$CONFIG_PAGE_OFFSET"
local aflags="${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL} \
${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS}"

4
sound/core/pcm.c
View File

@ -49,6 +49,8 @@ static struct snd_pcm *snd_pcm_get(struct snd_card *card, int device)
struct snd_pcm *pcm;
list_for_each_entry(pcm, &snd_pcm_devices, list) {
if (pcm->internal)
continue;
if (pcm->card == card && pcm->device == device)
return pcm;
}
@ -60,6 +62,8 @@ static int snd_pcm_next(struct snd_card *card, int device)
struct snd_pcm *pcm;
list_for_each_entry(pcm, &snd_pcm_devices, list) {
if (pcm->internal)
continue;
if (pcm->card == card && pcm->device > device)
return pcm->device;
else if (pcm->card->number > card->number)

4
sound/pci/hda/hda_codec.c
View File

@ -4864,8 +4864,8 @@ static void hda_power_work(struct work_struct *work)
spin_unlock(&codec->power_lock);
state = hda_call_codec_suspend(codec, true);
codec->pm_down_notified = 0;
if (!bus->power_keep_link_on && (state & AC_PWRST_CLK_STOP_OK)) {
if (!codec->pm_down_notified &&
!bus->power_keep_link_on && (state & AC_PWRST_CLK_STOP_OK)) {
codec->pm_down_notified = 1;
hda_call_pm_notify(bus, false);
}

4
sound/pci/hda/hda_generic.c
View File

@ -4475,9 +4475,11 @@ int snd_hda_gen_build_controls(struct hda_codec *codec)
true, &spec->vmaster_mute.sw_kctl);
if (err < 0)
return err;
if (spec->vmaster_mute.hook)
if (spec->vmaster_mute.hook) {
snd_hda_add_vmaster_hook(codec, &spec->vmaster_mute,
spec->vmaster_mute_enum);
snd_hda_sync_vmaster_hook(&spec->vmaster_mute);
}
}
free_kctls(spec); /* no longer needed */

18
sound/pci/hda/patch_analog.c
View File

@ -968,6 +968,15 @@ static void ad1884_fixup_hp_eapd(struct hda_codec *codec,
}
}
static void ad1884_fixup_thinkpad(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
struct ad198x_spec *spec = codec->spec;
if (action == HDA_FIXUP_ACT_PRE_PROBE)
spec->gen.keep_eapd_on = 1;
}
/* set magic COEFs for dmic */
static const struct hda_verb ad1884_dmic_init_verbs[] = {
{0x01, AC_VERB_SET_COEF_INDEX, 0x13f7},
@ -979,6 +988,7 @@ enum {
AD1884_FIXUP_AMP_OVERRIDE,
AD1884_FIXUP_HP_EAPD,
AD1884_FIXUP_DMIC_COEF,
AD1884_FIXUP_THINKPAD,
AD1884_FIXUP_HP_TOUCHSMART,
};
@ -997,6 +1007,12 @@ static const struct hda_fixup ad1884_fixups[] = {
.type = HDA_FIXUP_VERBS,
.v.verbs = ad1884_dmic_init_verbs,
},
[AD1884_FIXUP_THINKPAD] = {
.type = HDA_FIXUP_FUNC,
.v.func = ad1884_fixup_thinkpad,
.chained = true,
.chain_id = AD1884_FIXUP_DMIC_COEF,
},
[AD1884_FIXUP_HP_TOUCHSMART] = {
.type = HDA_FIXUP_VERBS,
.v.verbs = ad1884_dmic_init_verbs,
@ -1008,7 +1024,7 @@ static const struct hda_fixup ad1884_fixups[] = {
static const struct snd_pci_quirk ad1884_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x2a82, "HP Touchsmart", AD1884_FIXUP_HP_TOUCHSMART),
SND_PCI_QUIRK_VENDOR(0x103c, "HP", AD1884_FIXUP_HP_EAPD),
SND_PCI_QUIRK_VENDOR(0x17aa, "Lenovo Thinkpad", AD1884_FIXUP_DMIC_COEF),
SND_PCI_QUIRK_VENDOR(0x17aa, "Lenovo Thinkpad", AD1884_FIXUP_THINKPAD),
{}
};

1
sound/pci/hda/patch_realtek.c
View File

@ -4623,6 +4623,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x05db, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x103c, 0x1632, "HP RP5800", ALC662_FIXUP_HP_RP5800),
SND_PCI_QUIRK(0x1043, 0x1477, "ASUS N56VZ", ALC662_FIXUP_ASUS_MODE4),
SND_PCI_QUIRK(0x1043, 0x1bf3, "ASUS N76VZ", ALC662_FIXUP_ASUS_MODE4),
SND_PCI_QUIRK(0x1043, 0x8469, "ASUS mobo", ALC662_FIXUP_NO_JACK_DETECT),
SND_PCI_QUIRK(0x105b, 0x0cd6, "Foxconn", ALC662_FIXUP_ASUS_MODE2),
SND_PCI_QUIRK(0x144d, 0xc051, "Samsung R720", ALC662_FIXUP_IDEAPAD),

1
sound/soc/codecs/wm_hubs.c
View File

@ -530,6 +530,7 @@ static int hp_supply_event(struct snd_soc_dapm_widget *w,
hubs->hp_startup_mode);
break;
}
break;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,

4
sound/soc/soc-dapm.c
View File

@ -1949,7 +1949,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
w->active ? "active" : "inactive");
list_for_each_entry(p, &w->sources, list_sink) {
if (p->connected && !p->connected(w, p->sink))
if (p->connected && !p->connected(w, p->source))
continue;
if (p->connect)
@ -3495,6 +3495,7 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
if (!w) {
dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
dai->driver->playback.stream_name);
return -ENOMEM;
}
w->priv = dai;
@ -3513,6 +3514,7 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
if (!w) {
dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
dai->driver->capture.stream_name);
return -ENOMEM;
}
w->priv = dai;

6
tools/perf/tests/attr/README
View File

@ -44,9 +44,9 @@ Following tests are defined (with perf commands):
perf record -c 123 kill (test-record-count)
perf record -d kill (test-record-data)
perf record -F 100 kill (test-record-freq)
perf record -g -- kill (test-record-graph-default)
perf record -g dwarf -- kill (test-record-graph-dwarf)
perf record -g fp kill (test-record-graph-fp)
perf record -g kill (test-record-graph-default)
perf record --call-graph dwarf kill (test-record-graph-dwarf)
perf record --call-graph fp kill (test-record-graph-fp)
perf record --group -e cycles,instructions kill (test-record-group)
perf record -e '{cycles,instructions}' kill (test-record-group1)
perf record -D kill (test-record-no-delay)

2
tools/perf/tests/attr/test-record-graph-default
View File

@ -1,6 +1,6 @@
[config]
command = record
args = -g -- kill >/dev/null 2>&1
args = -g kill >/dev/null 2>&1
[event:base-record]
sample_type=295

2
tools/perf/tests/attr/test-record-graph-dwarf
View File

@ -1,6 +1,6 @@
[config]
command = record
args = -g dwarf -- kill >/dev/null 2>&1
args = --call-graph dwarf -- kill >/dev/null 2>&1
[event:base-record]
sample_type=12583

2
tools/perf/tests/attr/test-record-graph-fp
View File

@ -1,6 +1,6 @@
[config]
command = record
args = -g fp kill >/dev/null 2>&1
args = --call-graph fp kill >/dev/null 2>&1
[event:base-record]
sample_type=295

2
tools/perf/ui/hist.c
View File

@ -117,7 +117,7 @@ static int hpp__color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
struct perf_hpp *hpp, struct hist_entry *he) \
{ \
return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%", \
(hpp_snprint_fn)percent_color_snprintf, true); \
percent_color_snprintf, true); \
}
#define __HPP_ENTRY_PERCENT_FN(_type, _field) \

11
tools/perf/util/color.c
View File

@ -318,8 +318,15 @@ int percent_color_fprintf(FILE *fp, const char *fmt, double percent)
return r;
}
int percent_color_snprintf(char *bf, size_t size, const char *fmt, double percent)
int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...)
{
const char *color = get_percent_color(percent);
va_list args;
double percent;
const char *color;
va_start(args, fmt);
percent = va_arg(args, double);
va_end(args);
color = get_percent_color(percent);
return color_snprintf(bf, size, color, fmt, percent);
}

2
tools/perf/util/color.h
View File

@ -39,7 +39,7 @@ int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
int color_snprintf(char *bf, size_t size, const char *color, const char *fmt, ...);
int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...);
int color_fwrite_lines(FILE *fp, const char *color, size_t count, const char *buf);
int percent_color_snprintf(char *bf, size_t size, const char *fmt, double percent);
int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...);
int percent_color_fprintf(FILE *fp, const char *fmt, double percent);
const char *get_percent_color(double percent);

2
virt/kvm/kvm_main.c
View File

@ -3091,7 +3091,7 @@ static const struct file_operations *stat_fops[] = {
static int kvm_init_debug(void)
{
int r = -EFAULT;
int r = -EEXIST;
struct kvm_stats_debugfs_item *p;
kvm_debugfs_dir = debugfs_create_dir("kvm", NULL);