Am 13. Februar 2026 03:45:43 UTC schrieb Mohamed Mediouni
<[email protected]>:
>x86_64 WHPX updates:
>
>- move HVF x86_mmu code to common code
>- fixing debug support, which was broken since around: "gdbstub: move guest
>debug support check to ops"
>a48e7d9e52f8fe8b47f4c74f3e99d9d677b87fe5
>- switch over from winhvemulation to common x86 VM exit emulation code
>- remove some log lines
>- Remove WHPX CPUID traps as they're currently quite broken
>
>Changes added since v1:
>- move HVF x86_mmu code to common code
>- Use x86_mmu in WHPX MMIO exits
>- Remove WHPX CPUID traps as they're currently quite broken
>- Optimise MMIO vmexits by not restoring the full state
Yes, that did the trick for me, so:
Tested-by: Bernhard Beschow [email protected]
I had to fix some compilation issues which I have submitted here:
https://lore.kernel.org/qemu-devel/[email protected]/ .
Feel free to include in your next iteration, if any.
Best regards,
Bernhard
>
>Mohamed Mediouni (10):
> target/i386: emulate, hvf: move x86_mmu to common code
> whpx: re-enable guest debug support on x86
> whpx: preparatory changes before switching over from winhvemulation
> whpx: refactor whpx_destroy_vcpu to arch-specific function
> whpx: move whpx_get_reg/whpx_set_reg to generic code
> whpx: x86: switch over from winhvemulation to target/i386/emulate
> whpx: remove remaining winhvemulation support code
> whpx: x86: remove messages
> whpx: i386: remove CPUID trapping
> whpx: x86: optimise MMIO vmexit by only restoring needed registers
>
> accel/whpx/whpx-accel-ops.c | 8 +
> accel/whpx/whpx-common.c | 62 ++--
> include/system/whpx-accel-ops.h | 8 +-
> include/system/whpx-all.h | 5 +
> include/system/whpx-common.h | 6 +-
> include/system/whpx-internal.h | 16 --
> meson.build | 3 +-
> target/arm/whpx/whpx-all.c | 33 +--
> target/i386/cpu.h | 2 +-
> target/i386/emulate/meson.build | 2 +
> target/i386/{hvf => emulate}/x86_mmu.c | 14 +-
> target/i386/{hvf => emulate}/x86_mmu.h | 0
> target/i386/hvf/hvf.c | 6 +-
> target/i386/hvf/meson.build | 1 -
> target/i386/hvf/x86.c | 2 +-
> target/i386/hvf/x86_task.c | 2 +-
> target/i386/mshv/meson.build | 4 +
> target/i386/whpx/whpx-all.c | 373 +++++++++----------------
> 18 files changed, 217 insertions(+), 330 deletions(-)
> rename target/i386/{hvf => emulate}/x86_mmu.c (95%)
> rename target/i386/{hvf => emulate}/x86_mmu.h (100%)
>
