On Fri, Jul 25, 2025 at 08:17:36AM +0200, Paolo Bonzini wrote:
> Table A-5 of the Intel manual incorrectly lists the third operand of
> VINSERTx128 as Wqq, but it is actually a 128-bit value.  This is
> visible when W is a memory operand close to the end of the page.
> 
> Fixes the recently-added poly1305_kunit test in linux-next.
> 
> (No testcase yet, but I plan to modify test-avx2 to use memory
> close to the end of the page.  This would work because the test
> vectors correctly have the memory operand as xmm2/m128).
> 
> Reported-by: Eric Biggers <[email protected]>
> Cc: Ard Biesheuvel <[email protected]>
> Cc: "Jason A. Donenfeld" <[email protected]>
> Cc: Guenter Roeck <[email protected]>
> Signed-off-by: Paolo Bonzini <[email protected]>

Tested-by: Guenter Roeck <[email protected]>

Thanks a lot for the quick fix!

Guenter

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