From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794428121; b=leimKAQXFpPzMA400XFwhOEbWtRP2Bkq+oqEOVsY2O3gy/IfKlAeI0RM+LiCY1r1bCrM hKoX10fQyq3pH5iC62k7zctQXFTAOtTDGm3nAnuvefnDygyhh9+hpflzwuy/lmDjmc/sh u/vHQ6JXvgnFiQhZNioAiD4gmFqvlDKBiytAMT8BbrMmyEvQgKg9eqhiS54rl4099y25A UWIWepVeJsxFa7XP/EBWndYa3FXQv+RkdbfyaBNvR70Fj+DclFsv3O5wd+DzLOrvDFUxv rLXVPumT+q5XnDRcPbYZLtuwz+T98DQjruiUu07VH1bmWXMlSloLTd3Pi1DrSBpruhQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794428121; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Transfer-Encoding; bh=s6V0RNyXyZYrQMxuFEP3/ICRTep3TpJ9KGiBuY2dqZw=; b=UHa1BjI2t2mgKaWALav74eyPTav6vh1A8f6Z/sHZ+Vm7xgqTVN+7hDuX6btEqhmkG3Sz N6MbMSyppuL9+SrbRRMdo8I4fuytW+IETTBNMED6HLQ3qbBhRgvr2OPsKmjfu5gTj/VXS u/lpY4kCns+3M94cKeF90mUIhOf2UYKyIGS9O7lLXjjhRMWe21UoLbHRGXQo6oyZK1Bun FD19LAyh36+fuCLaGIooWmXlHyYEP+JIDO7/n5WrXluy0eVgXbakwUkVlqmW+PuuPQHFr +AtsxPFRJf+5qmJWWPDHRKy/D4/1Fioe4PH/geRcMpnlMRSI7cOgy2zdF4JvZMmEoNw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=DS0EuSoA; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7F0BC606A334 for ; Wed, 11 Nov 2026 20:15:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=DS0EuSoA Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8A1791F00A07; Wed, 11 Nov 2026 20:15:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794428121; bh=s6V0RNyXyZYrQMxuFEP3/ICRTep3TpJ9KGiBuY2dqZw=; h=From:To:Cc:Subject:Date; b=DS0EuSoAeu2EJ606SJ2+UyhrH+N6gY5cDk5WQyaoIY/rZarptOA3RN+EKVXUZa9f8 tcA/PTBH/TBzUGNtYD+FSslmbya2qNmPTJqLXSSNMlxayM0nk1eD+opb/Hb1sK3KP2 iskrzOYEpLY4nDxTwJvdyHQ7vzI06hbXxuFhp5RpcH3n69ChYhVL8xIZfgDkOa17Oi L2/loGO/YNL3HgNI+f4dfEl5m6tDSJQuZA4YLSjGmFOr781Wr9h2lsCwy+K/Yo4pb5 MEVBZPdXqbzbFIBXkPDqP+XQI6F1MzHhZFd+U2pRLBvyz04FekCJzCzKJ1Rs/YN2f7 SLPGgguUOBRuA== From: Eric Biggers To: linux-crypto@vger.kernel.org Cc: Ard Biesheuvel , "Jason A . Donenfeld" , Herbert Xu , x86@kernel.org, Eric Biggers Subject: [PATCH] lib/crypto: x86/chacha: Drop redundant check for AVX Date: Wed, 11 Nov 2026 12:15:17 -0800 Message-ID: <20261111201517.39989-1-ebiggers@kernel.org> X-Mailer: git-send-email 2.56.1 X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X86_FEATURE_AVX2 implies X86_FEATURE_AVX. Simplify chacha_mod_init_arch() accordingly. (Note: as usual, arch/x86/kernel/cpu/cpuid-deps.c is non-enforcing: if a dependency isn't met, it warns and doesn't prevent booting. However, that case doesn't occur in real CPUs and is unsupported.) Signed-off-by: Eric Biggers --- lib/crypto/x86/chacha.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/crypto/x86/chacha.h b/lib/crypto/x86/chacha.h index 76cddc522fa04..3e465184ca87b 100644 --- a/lib/crypto/x86/chacha.h +++ b/lib/crypto/x86/chacha.h @@ -188,8 +188,7 @@ static void chacha_mod_init_arch(void) static_branch_enable(&chacha_use_simd); - if (boot_cpu_has(X86_FEATURE_AVX) && - boot_cpu_has(X86_FEATURE_AVX2)) { + if (boot_cpu_has(X86_FEATURE_AVX2)) { static_branch_enable(&chacha_use_avx2); if (boot_cpu_has(X86_FEATURE_AVX512VL) && base-commit: 33b4f31b1aea3f62b61c892daefc0e6a77859032 -- 2.56.1