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Bugfixes for 5.0-rc2.

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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

Bugfixes for 5.0-rc2.

# gpg: Signature made Thu 02 Apr 2020 19:57:47 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream:
  xen: fixup RAM memory region initialization
  object-add: don't create return value if failed
  qmp: fix leak on callbacks that return both value and error
  migration: fix cleanup_bh leak on resume
  target/i386: do not set unsupported VMX secondary execution controls
  serial: Fix double migration data
  i386: hvf: Reset IRQ inhibition after moving RIP
  vl: fix broken IPA range for ARM -M virt with KVM enabled
  util/bufferiszero: improve avx2 accelerator
  util/bufferiszero: assign length_to_accel value for each accelerator case
  MAINTAINERS: Add an entry for the HVF accelerator
  softmmu: fix crash with invalid -M memory-backend=
  virtio-iommu: depend on PCI
  hw/isa/superio: Correct the license text
  hw/scsi/vmw_pvscsi: Remove assertion for kick after reset

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2020-04-02 20:18:25 +01:00
commit 5142ca078d
15 changed files with 90 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
MAINTAINERS
View File

@ -412,6 +412,13 @@ S: Supported
F: target/i386/kvm.c
F: scripts/kvm/vmxcap
X86 HVF CPUs
M: Roman Bolshakov <r.bolshakov@yadro.com>
S: Maintained
F: accel/stubs/hvf-stub.c
F: target/i386/hvf/
F: include/sysemu/hvf.h
WHPX CPUs
M: Sunil Muthuswamy <sunilmut@microsoft.com>
S: Supported

12
hw/char/serial.c
View File

@ -1043,7 +1043,6 @@ static void serial_class_init(ObjectClass *klass, void* data)
dc->user_creatable = false;
dc->realize = serial_realize;
dc->unrealize = serial_unrealize;
dc->vmsd = &vmstate_serial;
device_class_set_props(dc, serial_properties);
}
@ -1113,6 +1112,16 @@ static void serial_mm_realize(DeviceState *dev, Error **errp)
sysbus_init_irq(SYS_BUS_DEVICE(smm), &smm->serial.irq);
}
static const VMStateDescription vmstate_serial_mm = {
.name = "serial",
.version_id = 3,
.minimum_version_id = 2,
.fields = (VMStateField[]) {
VMSTATE_STRUCT(serial, SerialMM, 0, vmstate_serial, SerialState),
VMSTATE_END_OF_LIST()
}
};
SerialMM *serial_mm_init(MemoryRegion *address_space,
hwaddr base, int regshift,
qemu_irq irq, int baudbase,
@ -1162,6 +1171,7 @@ static void serial_mm_class_init(ObjectClass *oc, void *data)
device_class_set_props(dc, serial_mm_properties);
dc->realize = serial_mm_realize;
dc->vmsd = &vmstate_serial_mm;
}
static const TypeInfo serial_mm_info = {

2
hw/isa/isa-superio.c
View File

@ -5,7 +5,7 @@
* Copyright (c) 2011-2012 Andreas Färber
* Copyright (c) 2018 Philippe Mathieu-Daudé
*
* This code is licensed under the GNU GPLv2 and later.
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
* SPDX-License-Identifier: GPL-2.0-or-later
*/

2
hw/isa/smc37c669-superio.c
View File

@ -3,7 +3,7 @@
*
* Copyright (c) 2018 Philippe Mathieu-Daudé
*
* This code is licensed under the GNU GPLv2 and later.
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
* SPDX-License-Identifier: GPL-2.0-or-later
*/

5
hw/scsi/vmw_pvscsi.c
View File

@ -719,7 +719,10 @@ pvscsi_process_io(PVSCSIState *s)
PVSCSIRingReqDesc descr;
hwaddr next_descr_pa;
assert(s->rings_info_valid);
if (!s->rings_info_valid) {
return;
}
while ((next_descr_pa = pvscsi_ring_pop_req_descr(&s->rings)) != 0) {
/* Only read after production index verification */

2
hw/virtio/Kconfig
View File

@ -12,7 +12,7 @@ config VIRTIO_RNG
config VIRTIO_IOMMU
bool
default y
depends on VIRTIO
depends on PCI && VIRTIO
config VIRTIO_PCI
bool

7
hw/xen/xen-common.c
View File

@ -19,6 +19,7 @@
#include "sysemu/runstate.h"
#include "migration/misc.h"
#include "migration/global_state.h"
#include "hw/boards.h"
//#define DEBUG_XEN
@ -151,6 +152,8 @@ static void xen_setup_post(MachineState *ms, AccelState *accel)
static int xen_init(MachineState *ms)
{
MachineClass *mc = MACHINE_GET_CLASS(ms);
xen_xc = xc_interface_open(0, 0, 0);
if (xen_xc == NULL) {
xen_pv_printf(NULL, 0, "can't open xen interface\n");
@ -170,6 +173,10 @@ static int xen_init(MachineState *ms)
return -1;
}
qemu_add_vm_change_state_handler(xen_change_state_handler, NULL);
/*
* opt out of system RAM being allocated by generic code
*/
mc->default_ram_id = NULL;
return 0;
}

2
include/hw/isa/superio.h
View File

@ -3,7 +3,7 @@
*
* Copyright (c) 2018 Philippe Mathieu-Daudé
*
* This code is licensed under the GNU GPLv2 and later.
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
* SPDX-License-Identifier: GPL-2.0-or-later
*/

7
migration/migration.c
View File

@ -3478,7 +3478,12 @@ void migrate_fd_connect(MigrationState *s, Error *error_in)
bool resume = s->state == MIGRATION_STATUS_POSTCOPY_PAUSED;
s->expected_downtime = s->parameters.downtime_limit;
s->cleanup_bh = qemu_bh_new(migrate_fd_cleanup_bh, s);
if (resume) {
assert(s->cleanup_bh);
} else {
assert(!s->cleanup_bh);
s->cleanup_bh = qemu_bh_new(migrate_fd_cleanup_bh, s);
}
if (error_in) {
migrate_fd_error(s, error_in);
migrate_fd_cleanup(s);

2
qapi/qmp-dispatch.c
View File

@ -155,6 +155,8 @@ QDict *qmp_dispatch(const QmpCommandList *cmds, QObject *request,
cmd->fn(args, &ret, &err);
qobject_unref(args);
if (err) {
/* or assert(!ret) after reviewing all handlers: */
qobject_unref(ret);
goto out;
}

5
qom/qom-qmp-cmds.c
View File

@ -285,10 +285,7 @@ void qmp_object_add(QDict *qdict, QObject **ret_data, Error **errp)
v = qobject_input_visitor_new(QOBJECT(qdict));
obj = user_creatable_add_type(type, id, qdict, v, errp);
visit_free(v);
if (obj) {
object_unref(obj);
}
*ret_data = QOBJECT(qdict_new());
object_unref(obj);
}
void qmp_object_del(const char *id, Error **errp)

12
softmmu/vl.c
View File

@ -4137,6 +4137,9 @@ void qemu_init(int argc, char **argv, char **envp)
machine_opts = qemu_get_machine_opts();
qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
&error_fatal);
current_machine->ram_size = ram_size;
current_machine->maxram_size = maxram_size;
current_machine->ram_slots = ram_slots;
/*
* Note: uses machine properties such as kernel-irqchip, must run
@ -4298,6 +4301,11 @@ void qemu_init(int argc, char **argv, char **envp)
backend = object_resolve_path_type(current_machine->ram_memdev_id,
TYPE_MEMORY_BACKEND, NULL);
if (!backend) {
error_report("Memory backend '%s' not found",
current_machine->ram_memdev_id);
exit(EXIT_FAILURE);
}
backend_size = object_property_get_uint(backend, "size", &error_abort);
if (have_custom_ram_size && backend_size != ram_size) {
error_report("Size specified by -m option must match size of "
@ -4315,10 +4323,6 @@ void qemu_init(int argc, char **argv, char **envp)
}
}
current_machine->ram_size = ram_size;
current_machine->maxram_size = maxram_size;
current_machine->ram_slots = ram_slots;
parse_numa_opts(current_machine);
if (machine_class->default_ram_id && current_machine->ram_size &&

3
target/i386/hvf/vmx.h
View File

@ -167,6 +167,8 @@ static inline void macvm_set_cr4(hv_vcpuid_t vcpu, uint64_t cr4)
static inline void macvm_set_rip(CPUState *cpu, uint64_t rip)
{
X86CPU *x86_cpu = X86_CPU(cpu);
CPUX86State *env = &x86_cpu->env;
uint64_t val;
/* BUG, should take considering overlap.. */
@ -176,6 +178,7 @@ static inline void macvm_set_rip(CPUState *cpu, uint64_t rip)
val = rvmcs(cpu->hvf_fd, VMCS_GUEST_INTERRUPTIBILITY);
if (val & (VMCS_INTERRUPTIBILITY_STI_BLOCKING |
VMCS_INTERRUPTIBILITY_MOVSS_BLOCKING)) {
env->hflags &= ~HF_INHIBIT_IRQ_MASK;
wvmcs(cpu->hvf_fd, VMCS_GUEST_INTERRUPTIBILITY,
val & ~(VMCS_INTERRUPTIBILITY_STI_BLOCKING |
VMCS_INTERRUPTIBILITY_MOVSS_BLOCKING));

41
target/i386/kvm.c
View File

@ -106,6 +106,7 @@ static bool has_msr_arch_capabs;
static bool has_msr_core_capabs;
static bool has_msr_vmx_vmfunc;
static bool has_msr_ucode_rev;
static bool has_msr_vmx_procbased_ctls2;
static uint32_t has_architectural_pmu_version;
static uint32_t num_architectural_pmu_gp_counters;
@ -490,21 +491,28 @@ uint64_t kvm_arch_get_supported_msr_feature(KVMState *s, uint32_t index)
value = msr_data.entries[0].data;
switch (index) {
case MSR_IA32_VMX_PROCBASED_CTLS2:
/* KVM forgot to add these bits for some time, do this ourselves. */
if (kvm_arch_get_supported_cpuid(s, 0xD, 1, R_ECX) & CPUID_XSAVE_XSAVES) {
value |= (uint64_t)VMX_SECONDARY_EXEC_XSAVES << 32;
}
if (kvm_arch_get_supported_cpuid(s, 1, 0, R_ECX) & CPUID_EXT_RDRAND) {
value |= (uint64_t)VMX_SECONDARY_EXEC_RDRAND_EXITING << 32;
}
if (kvm_arch_get_supported_cpuid(s, 7, 0, R_EBX) & CPUID_7_0_EBX_INVPCID) {
value |= (uint64_t)VMX_SECONDARY_EXEC_ENABLE_INVPCID << 32;
}
if (kvm_arch_get_supported_cpuid(s, 7, 0, R_EBX) & CPUID_7_0_EBX_RDSEED) {
value |= (uint64_t)VMX_SECONDARY_EXEC_RDSEED_EXITING << 32;
}
if (kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_EDX) & CPUID_EXT2_RDTSCP) {
value |= (uint64_t)VMX_SECONDARY_EXEC_RDTSCP << 32;
if (!has_msr_vmx_procbased_ctls2) {
/* KVM forgot to add these bits for some time, do this ourselves. */
if (kvm_arch_get_supported_cpuid(s, 0xD, 1, R_ECX) &
CPUID_XSAVE_XSAVES) {
value |= (uint64_t)VMX_SECONDARY_EXEC_XSAVES << 32;
}
if (kvm_arch_get_supported_cpuid(s, 1, 0, R_ECX) &
CPUID_EXT_RDRAND) {
value |= (uint64_t)VMX_SECONDARY_EXEC_RDRAND_EXITING << 32;
}
if (kvm_arch_get_supported_cpuid(s, 7, 0, R_EBX) &
CPUID_7_0_EBX_INVPCID) {
value |= (uint64_t)VMX_SECONDARY_EXEC_ENABLE_INVPCID << 32;
}
if (kvm_arch_get_supported_cpuid(s, 7, 0, R_EBX) &
CPUID_7_0_EBX_RDSEED) {
value |= (uint64_t)VMX_SECONDARY_EXEC_RDSEED_EXITING << 32;
}
if (kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_EDX) &
CPUID_EXT2_RDTSCP) {
value |= (uint64_t)VMX_SECONDARY_EXEC_RDTSCP << 32;
}
}
/* fall through */
case MSR_IA32_VMX_TRUE_PINBASED_CTLS:
@ -2060,6 +2068,9 @@ static int kvm_get_supported_msrs(KVMState *s)
case MSR_IA32_UCODE_REV:
has_msr_ucode_rev = true;
break;
case MSR_IA32_VMX_PROCBASED_CTLS2:
has_msr_vmx_procbased_ctls2 = true;
break;
}
}
}

27
util/bufferiszero.c
View File

@ -158,27 +158,19 @@ buffer_zero_avx2(const void *buf, size_t len)
__m256i *p = (__m256i *)(((uintptr_t)buf + 5 * 32) & -32);
__m256i *e = (__m256i *)(((uintptr_t)buf + len) & -32);
if (likely(p <= e)) {
/* Loop over 32-byte aligned blocks of 128. */
do {
__builtin_prefetch(p);
if (unlikely(!_mm256_testz_si256(t, t))) {
return false;
}
t = p[-4] | p[-3] | p[-2] | p[-1];
p += 4;
} while (p <= e);
} else {
t |= _mm256_loadu_si256(buf + 32);
if (len <= 128) {
goto last2;
/* Loop over 32-byte aligned blocks of 128. */
while (p <= e) {
__builtin_prefetch(p);
if (unlikely(!_mm256_testz_si256(t, t))) {
return false;
}
}
t = p[-4] | p[-3] | p[-2] | p[-1];
p += 4;
} ;
/* Finish the last block of 128 unaligned. */
t |= _mm256_loadu_si256(buf + len - 4 * 32);
t |= _mm256_loadu_si256(buf + len - 3 * 32);
last2:
t |= _mm256_loadu_si256(buf + len - 2 * 32);
t |= _mm256_loadu_si256(buf + len - 1 * 32);
@ -254,13 +246,16 @@ static void init_accel(unsigned cache)
bool (*fn)(const void *, size_t) = buffer_zero_int;
if (cache & CACHE_SSE2) {
fn = buffer_zero_sse2;
length_to_accel = 64;
}
#ifdef CONFIG_AVX2_OPT
if (cache & CACHE_SSE4) {
fn = buffer_zero_sse4;
length_to_accel = 64;
}
if (cache & CACHE_AVX2) {
fn = buffer_zero_avx2;
length_to_accel = 128;
}
#endif
#ifdef CONFIG_AVX512F_OPT