[Devel] [PATCH hci-8.1 v3 5/5] selftests/ve: check CPUID override emulation for a prefixed CPUID

no-reply at sashiko.virtuozzo.com no-reply at sashiko.virtuozzo.com
Tue Oct 6 23:52:12 MSK 2026


> Execute CPUID with an operand-size prefix, which the CPU ignores, and
> expect the table values. Before the kernel change the #GP handler
> matched only the bare opcode and the child died with SIGSEGV.
> 
> https://virtuozzo.atlassian.net/browse/VSTOR-148843
> 
> Feature: x86: cpu pools (cpuid override)
> Signed-off-by: Konstantin Khorenko <khorenko at virtuozzo.com>

Sashiko has reviewed this patch and found no issues. It looks great!

-- 
Sashiko AI review · https://sashiko.vzint.dev/#/patchset/20261006-b4-prep-khorenko-vstor-148656-cpuid-v3-0-16141b8ca07d@virtuozzo.com?part=5




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