From: Eric Biggers <ebiggers@kernel.org>
To: x86@kernel.org
Cc: linux-um@lists.infradead.org, linux-raid@vger.kernel.org,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
Christoph Hellwig <hch@lst.de>,
Andrew Morton <akpm@linux-foundation.org>,
Eric Biggers <ebiggers@kernel.org>
Subject: [PATCH v3 7/8] xor: Remove redundant X86_FEATURE_OSXSAVE check
Date: Wed, 12 Aug 2026 19:15:05 -0700 [thread overview]
Message-ID: <20260813021506.55129-8-ebiggers@kernel.org> (raw)
In-Reply-To: <20260813021506.55129-1-ebiggers@kernel.org>
X86_FEATURE_AVX implies X86_FEATURE_OSXSAVE already.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
---
lib/raid/xor/x86/xor_arch.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/lib/raid/xor/x86/xor_arch.h b/lib/raid/xor/x86/xor_arch.h
index 99fe85a213c6..991abe3f4bbd 100644
--- a/lib/raid/xor/x86/xor_arch.h
+++ b/lib/raid/xor/x86/xor_arch.h
@@ -18,8 +18,7 @@ extern struct xor_block_template xor_block_avx;
*/
static __always_inline void __init arch_xor_init(void)
{
- if (boot_cpu_has(X86_FEATURE_AVX) &&
- boot_cpu_has(X86_FEATURE_OSXSAVE)) {
+ if (boot_cpu_has(X86_FEATURE_AVX)) {
xor_force(&xor_block_avx);
} else if (IS_ENABLED(CONFIG_X86_64) || boot_cpu_has(X86_FEATURE_XMM)) {
xor_register(&xor_block_sse);
--
2.55.0
next prev parent reply other threads:[~2026-08-13 2:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-13 2:14 [PATCH v3 0/8] x86: Remove cpu_has_xfeatures() and add AVX-512 xor_gen() Eric Biggers
2026-08-13 2:14 ` [PATCH v3 1/8] x86/fpu: Check for missing AVX and AVX-512 xstate bits Eric Biggers
2026-08-13 2:15 ` [PATCH v3 2/8] um: " Eric Biggers
2026-08-13 2:15 ` [PATCH v3 3/8] crypto: x86 - Stop using cpu_has_xfeatures() Eric Biggers
2026-08-13 2:15 ` [PATCH v3 4/8] lib/crypto: x86: " Eric Biggers
2026-08-13 2:15 ` [PATCH v3 5/8] lib/crc: " Eric Biggers
2026-08-13 2:15 ` [PATCH v3 6/8] x86/fpu: Remove cpu_has_xfeatures() Eric Biggers
2026-08-13 2:15 ` Eric Biggers [this message]
2026-08-13 2:15 ` [PATCH v3 8/8] xor: Add AVX-512 optimized xor_gen() Eric Biggers
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260813021506.55129-8-ebiggers@kernel.org \
--to=ebiggers@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=hch@lst.de \
--cc=linux-crypto@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-raid@vger.kernel.org \
--cc=linux-um@lists.infradead.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox