From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C81214E77E4; Thu, 17 Sep 2026 15:49:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789660156; cv=none; b=vEY6YbL6+sTPzzk3jCwu+U5rc+WwAUC0ziEGAs7N5BqF5ptnXNu2lCx5cxNjrgzGLX7GV8y0Ltg7dZbgRGIEHJUwCH/vdEEmGQfanm8pzzBHl/8I514jxNYnXAv8IMxcASZYpCaIDYxpIq5cUYW/1vnxIUYLUX0jY3nmwJUfj+w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789660156; c=relaxed/simple; bh=wIejUoP0YP/j1wMuCzkUXvhLUlFlweH6XedOBc7DL4Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pSWWKUW896rqVppvfW6mR9LAmbfz5ODXjGcw224qLZqt8UvDFFkUeBUvEdDHfrDr4s/OZXwnI4hjF+M+NJY7+qSws0AzUA/jZ1kJjqDhDS0zRlBuB0d1yl/nN9GdhJB6NM9Qcb9FsBx7it9DRsKOHD7u7L5SGK708DYmpYkNusU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lm8H8ZQv; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lm8H8ZQv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 833AF1F00899; Thu, 17 Sep 2026 15:49:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789660148; bh=aVj8ANXuaQgZgnE0uZ+H25mIwwgtKjmH3+9Ld4gpK9w=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=lm8H8ZQvn+VilsBpSJP9C8bVPNOtZAx3JCCfxn1qnKKJ8nlGv3vKERv3Ue16r+037 cLk+/fBml+n+wcQlolsEf7uuiFRvAfMvD0axugjU/D0xX2sBKTvvDkIXSkiAKhdgQU qzuj2ghf/lEvouKfOGUJJ0aSoNtJXrwwZMg+VyhY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Taehee Yoo , Eric Biggers , Herbert Xu Subject: [PATCH 7.2 457/733] crypto: x86/aria - add missing vzeroupper in AVX-512 code Date: Thu, 17 Sep 2026 16:12:45 +0100 Message-ID: <20260917151403.315091791@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260917151350.597953846@linuxfoundation.org> References: <20260917151350.597953846@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Eric Biggers commit 60892a384aa1e65d0e703e1c513417bdf0c80777 upstream. Since the AVX-512 optimized ARIA code uses ZMM 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: c970d42001f2 ("crypto: x86/aria - implement aria-avx512") Cc: stable@vger.kernel.org Cc: Taehee Yoo Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- arch/x86/crypto/aria-gfni-avx512-asm_64.S | 3 +++ 1 file changed, 3 insertions(+) --- a/arch/x86/crypto/aria-gfni-avx512-asm_64.S +++ b/arch/x86/crypto/aria-gfni-avx512-asm_64.S @@ -800,6 +800,7 @@ SYM_TYPED_FUNC_START(aria_gfni_avx512_en %zmm9, %zmm8, %zmm11, %zmm10, %zmm12, %zmm13, %zmm14, %zmm15, %rax); + vzeroupper; FRAME_END RET; SYM_FUNC_END(aria_gfni_avx512_encrypt_64way) @@ -825,6 +826,7 @@ SYM_TYPED_FUNC_START(aria_gfni_avx512_de %zmm9, %zmm8, %zmm11, %zmm10, %zmm12, %zmm13, %zmm14, %zmm15, %rax); + vzeroupper; FRAME_END RET; SYM_FUNC_END(aria_gfni_avx512_decrypt_64way) @@ -966,6 +968,7 @@ SYM_TYPED_FUNC_START(aria_gfni_avx512_ct %zmm9, %zmm8, %zmm11, %zmm10, %zmm12, %zmm13, %zmm14, %zmm15, %r10); + vzeroupper; FRAME_END RET; SYM_FUNC_END(aria_gfni_avx512_ctr_crypt_64way)