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staging-10.0
qemu/system
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Xiaoyao Li 232d5c6275 i386/cpu: Enable SMM cpu address space under KVM 
Kirill Martynov reported assertation in cpu_asidx_from_attrs() being hit
when x86_cpu_dump_state() is called to dump the CPU state[*]. It happens
when the CPU is in SMM and KVM emulation failure due to misbehaving
guest.

The root cause is that QEMU i386 never enables the SMM address space for
cpu since KVM SMM support has been added.

Enable the SMM cpu address space under KVM when the SMM is enabled for
the x86machine.

[*] https://lore.kernel.org/qemu-devel/20250523154431.506993-1-stdcalllevi@yandex-team.ru/

Reported-by: Kirill Martynov <stdcalllevi@yandex-team.ru>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Tested-by: Kirill Martynov <stdcalllevi@yandex-team.ru>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20250730095253.1833411-2-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 0516f4b702)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2025-09-18 19:25:02 +03:00
..
arch_init.c system: Replace arch_type global by qemu_arch_available() helper 2025-03-11 20:03:26 +01:00
async-teardown.c qemu/osdep: Add excluded fd parameter to qemu_close_all_open_fd() 2024-08-05 08:21:59 +10:00
balloon.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
bootdevice.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
cpu-timers.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
cpus.c accel: Forward-declare AccelOpsClass in 'qemu/typedefs.h' 2025-03-06 15:46:18 +01:00
datadir.c
device_tree-stub.c hw/core/machine.c: Make -machine dumpdtb=file.dtb with no DTB an error 2025-02-25 15:32:57 +00:00
device_tree.c hw/core/machine.c: Make -machine dumpdtb=file.dtb with no DTB an error 2025-02-25 15:32:57 +00:00
dirtylimit.c qapi: Move include/qapi/qmp/ to include/qobject/ 2025-02-10 15:33:16 +01:00
dma-helpers.c dma: use current AioContext for dma_blk_io() 2025-03-13 17:57:23 +01:00
globals-target.c system: Extract target-specific globals to their own compilation unit 2025-03-11 20:03:26 +01:00
globals.c accel/tcg: Restrict 'icount_align_option' global to TCG 2025-03-06 15:46:17 +01:00
ioport.c qdev: Use machine_get_container() 2025-01-09 18:16:24 +01:00
main.c system/main: transfer replay mutex ownership from main thread to main loop thread 2025-04-14 11:03:16 -04:00
memory_ldst.c.inc memory: pass MemTxAttrs to memory_access_is_direct() 2025-02-12 11:33:05 -05:00
memory_mapping.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
memory.c physmem: qemu_ram_alloc_from_fd extensions 2025-01-29 11:43:03 -03:00
meson.build system: Extract target-specific globals to their own compilation unit 2025-03-11 20:03:26 +01:00
physmem.c i386/cpu: Enable SMM cpu address space under KVM 2025-09-18 19:25:02 +03:00
qdev-monitor.c system: Replace arch_type global by qemu_arch_available() helper 2025-03-11 20:03:26 +01:00
qemu-seccomp.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
qtest.c tests/qtest: tighten up the checks on clock_step 2025-02-10 13:47:58 +00:00
rtc.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
runstate-action.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
runstate-hmp-cmds.c qapi: Move include/qapi/qmp/ to include/qobject/ 2025-02-10 15:33:16 +01:00
runstate.c system/runstate: Fix regression, clarify BQL status of exit notifiers 2025-01-15 18:05:19 +00:00
tpm-hmp-cmds.c
tpm.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
trace-events physmem: fd-based shared memory 2025-01-29 11:43:04 -03:00
trace.h
vl.c system: Replace arch_type global by qemu_arch_available() helper 2025-03-11 20:03:26 +01:00
watchpoint.c exec: Declare tlb_flush*() in 'exec/cputlb.h' 2025-03-08 07:56:14 -08:00