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linux/arch/powerpc/kernel
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Benjamin Herrenschmidt 7c0482e3d0 powerpc/irq: Fix another case of lazy IRQ state getting out of sync 
So we have another case of paca->irq_happened getting out of
sync with the HW irq state. This can happen when a perfmon
interrupt occurs while soft disabled, as it will return to a
soft disabled but hard enabled context while leaving a stale
PACA_IRQ_HARD_DIS flag set.

This patch fixes it, and also adds a test for the condition
of those flags being out of sync in arch_local_irq_restore()
when CONFIG_TRACE_IRQFLAGS is enabled.

This helps catching those gremlins faster (and so far I
can't seem see any anymore, so that's good news).

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-05-12 09:40:41 +10:00
..
vdso32
vdso64
.gitignore
align.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
asm-offsets.c Merge branch 'kvm-updates/3.4' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2012-03-28 14:35:31 -07:00
audit.c
btext.c
cacheinfo.c
cacheinfo.h
clock.c
compat_audit.c
cpu_setup_6xx.S
cpu_setup_44x.S
cpu_setup_a2.S
cpu_setup_fsl_booke.S
cpu_setup_pa6t.S
cpu_setup_power7.S
cpu_setup_ppc970.S
cputable.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
crash_dump.c
crash.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
dbell.c powerpc: Rework lazy-interrupt handling 2012-03-09 13:25:06 +11:00
dma-iommu.c PowerPC: adapt for dma_map_ops changes 2012-03-28 16:36:33 +02:00
dma-swiotlb.c PowerPC: adapt for dma_map_ops changes 2012-03-28 16:36:33 +02:00
dma.c PowerPC: adapt for dma_map_ops changes 2012-03-28 16:36:33 +02:00
entry_32.S powerpc: Fix page fault with lockdep regression 2012-04-10 17:21:35 +10:00
entry_64.S powerpc/irq: Fix another case of lazy IRQ state getting out of sync 2012-05-12 09:40:41 +10:00
exceptions-64e.S powerpc: Rework lazy-interrupt handling 2012-03-09 13:25:06 +11:00
exceptions-64s.S powerpc/irq: Make alignment & program interrupt behave the same 2012-05-09 09:42:33 +10:00
fadump.c powerpc: Fix fallout from system.h split up 2012-04-02 14:00:03 +10:00
firmware.c
fpu.S
fsl_booke_entry_mapping.S
ftrace.c
head_8xx.S powerpc: Call do_page_fault() with interrupts off 2012-03-09 10:55:08 +11:00
head_32.S powerpc: Call do_page_fault() with interrupts off 2012-03-09 10:55:08 +11:00
head_40x.S powerpc: Call do_page_fault() with interrupts off 2012-03-09 10:55:08 +11:00
head_44x.S
head_64.S powerpc: Rework lazy-interrupt handling 2012-03-09 13:25:06 +11:00
head_booke.h powerpc: Call do_page_fault() with interrupts off 2012-03-09 10:55:08 +11:00
head_fsl_booke.S powerpc: Call do_page_fault() with interrupts off 2012-03-09 10:55:08 +11:00
hw_breakpoint.c
ibmebus.c Merge branch 'for-linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping 2012-04-04 17:13:43 -07:00
idle_6xx.S
idle_book3e.S powerpc: Rework lazy-interrupt handling 2012-03-09 13:25:06 +11:00
idle_e500.S
idle_power4.S powerpc: Fix power4/970 idle code regression with lockdep 2012-03-16 09:28:17 +11:00
idle_power7.S powerpc: Rework lazy-interrupt handling 2012-03-09 13:25:06 +11:00
idle.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
init_task.c
io-workarounds.c
io.c
iomap.c
iommu.c fadump: Register for firmware assisted dump. 2012-02-23 10:50:01 +11:00
irq.c powerpc/irq: Fix another case of lazy IRQ state getting out of sync 2012-05-12 09:40:41 +10:00
isa-bridge.c powerpc: Remove FW_FEATURE ISERIES from arch code 2012-03-21 11:16:11 +11:00
jump_label.c
kgdb.c powerpc: Fix fallout from system.h split up 2012-04-02 14:00:03 +10:00
kprobes.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
kvm_emul.S KVM: PPC: Avoid patching paravirt template code 2012-03-05 14:52:34 +02:00
kvm.c KVM: PPC: Avoid patching paravirt template code 2012-03-05 14:52:34 +02:00
l2cr_6xx.S
legacy_serial.c powerpc: Fix build on some non-freescale platforms 2012-01-25 13:33:22 +11:00
lparcfg.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
machine_kexec_32.c treewide: convert uses of ATTRIB_NORETURN to __noreturn 2012-01-12 20:13:03 -08:00
machine_kexec_64.c treewide: convert uses of ATTRIB_NORETURN to __noreturn 2012-01-12 20:13:03 -08:00
machine_kexec.c powerpc/irqdomain: Fix broken NR_IRQ references 2012-04-30 10:45:26 +10:00
Makefile powerpc/perf: Move perf core & PMU code into a subdirectory 2012-02-23 10:50:04 +11:00
misc_32.S
misc_64.S
misc.S powerpc: Remove legacy iSeries bits from assembly files 2012-03-09 10:54:59 +11:00
module_32.c
module_64.c
module.c
msi.c
nvram_64.c
of_platform.c powerpc/eeh: Introduce EEH device 2012-03-09 11:39:29 +11:00
paca.c powerpc: Remove FW_FEATURE ISERIES from arch code 2012-03-21 11:16:11 +11:00
pci_32.c powerpc/PCI: compute I/O space bus-to-resource offset consistently 2012-03-20 10:41:44 -07:00
pci_64.c powerpc/PCI: compute I/O space bus-to-resource offset consistently 2012-03-20 10:41:44 -07:00
pci_dn.c
pci_of_scan.c powerpc/PCI: convert devtree bus addresses to resource 2012-03-20 10:41:51 -07:00
pci-common.c Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci 2012-03-23 14:02:12 -07:00
pmc.c bug.h: add include of it to various implicit C users 2012-02-29 17:15:08 -05:00
ppc32.h
ppc_ksyms.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
ppc_save_regs.S
proc_powerpc.c
process.c powerpc: Fix typo in runlatch code 2012-04-11 10:42:15 +10:00
prom_init_check.sh
prom_init.c Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
prom_parse.c
prom.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
ptrace32.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
ptrace.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
reloc_32.S
reloc_64.S
rtas_flash.c
rtas_pci.c Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci 2012-03-23 14:02:12 -07:00
rtas-proc.c
rtas-rtc.c
rtas.c Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
rtasd.c
setup_32.c powerpc: fix build when CONFIG_BOOKE_WDT is enabled 2012-04-19 14:55:43 -05:00
setup_64.c Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
setup-common.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
setup.h
signal_32.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
signal_64.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
signal.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
signal.h powerpc: Fix various issues with return to userspace 2012-02-22 16:48:53 +11:00
smp-tbsync.c
smp.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
softemu8xx.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
stacktrace.c
suspend.c
swsusp_32.S
swsusp_64.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
swsusp_asm64.S
swsusp_booke.S
swsusp.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
sys_ppc32.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
syscalls.c
sysfs.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
systbl_chk.c
systbl_chk.sh
systbl.S
tau_6xx.c
time.c powerpc: Remove FW_FEATURE ISERIES from arch code 2012-03-21 11:16:11 +11:00
traps.c powerpc/irq: Make alignment & program interrupt behave the same 2012-05-09 09:42:33 +10:00
udbg_16550.c
udbg.c powerpc: Random little legacy iSeries removal tidy ups 2012-03-28 11:33:23 +11:00
vdso.c Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
vecemu.c
vector.S
vio.c Merge branch 'for-linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping 2012-04-04 17:13:43 -07:00
vmlinux.lds.S powerpc: Remove legacy iSeries bits from assembly files 2012-03-09 10:54:59 +11:00