netfilter: nft_set_pipapo_avx2: add missing vzeroupper

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Since pipapo_get_avx2() uses YMM registers, execute vzeroupper before
returning from it.  This is needed to avoid degrading the performance of
any later SSE code that may happen to be executed.

Fixes: 7400b06396 ("nft_set_pipapo: Introduce AVX2-based lookup implementation")
Cc: stable@vger.kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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Eric Biggers 2026-08-15 13:57:50 -07:00 • committed by Pablo Neira Ayuso

parent b1881d362e

commit 55dd20f0f4

1 changed files with 8 additions and 9 deletions

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net/netfilter/nft_set_pipapo_avx2.c

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