From: Eric Biggers <ebiggers@kernel.org>
To: linux-crypto@vger.kernel.org
Cc: Ard Biesheuvel <ardb@kernel.org>,
"Jason A . Donenfeld" <Jason@zx2c4.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
x86@kernel.org
Subject: Re: [PATCH] lib/crypto: x86/nh: Remove unnecessary check for SSE2 support on x86_64
Date: Sat, 7 Nov 2026 14:04:58 -0800 [thread overview]
Message-ID: <20261107220458.GN137269@quark> (raw)
In-Reply-To: <20261105043710.310742-1-ebiggers@kernel.org>
On Wed, Nov 04, 2026 at 08:37:10PM -0800, Eric Biggers wrote:
> Remove the unnecessary check for X86_FEATURE_XMM2 (and the have_sse2
> static key it controls) from the x86_64 optimized NH code.
>
> This code is 64-bit only, and x86_64 kernels require X86_FEATURE_XMM2.
> (See X86_REQUIRED_FEATURE_XMM2.)
>
> Also replace <linux/static_call.h> with <linux/jump_label.h>, since this
> file uses static keys, not static calls.
>
> Signed-off-by: Eric Biggers <ebiggers@kernel.org>
> ---
> lib/crypto/x86/nh.h | 13 ++++---------
> 1 file changed, 4 insertions(+), 9 deletions(-)
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git/log/?h=libcrypto-next
- Eric
prev parent reply other threads:[~2026-11-07 22:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-05 4:37 [PATCH] lib/crypto: x86/nh: Remove unnecessary check for SSE2 support on x86_64 Eric Biggers
2026-11-07 22:04 ` Eric Biggers [this message]
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