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=1794087697; b=T5rOoYGrXu4jRfe/Drn6loHiI4jtrmuuIGU90AvNjq9nY3oW1hGc7u5x7tnMH6nLNjh1 DxJdKLdp5XE3NhV3NGlqMOojv+V+c80kWzWRru6weD9aXm3flAxE756RcNKdT0pa6bah2 ILOZhoG9gybtqoMyLDiQ08jdol3TQUK/prnv2x413EqX6O0+QWOA91/0t1LJCe4wNih0E 9NznZ/rh2yAN1imfcqJron8ktArjixYipBIJv8+JDS/iTRxjEQ7D7pYyZYV/b0ZXJqFV/ 4MmcRemOFi5AsaU3EBJpuEiJ76UAIUV+KBXoTvzb6z1Mu1w/ubTNbdxsizJqGdibptw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794087697; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=4+7aN4s6LnMZ63YOCI8/5amsps130q2UQ2MGoMQG5YI=; b=np+jErtEOoDIzT6lAseYWaTZLaJKte49zmkGIxO/WVN0u1UEEnwuwAaTcSTjk8vUF2gl pOSYkW9V9LuhyOQDZfPlSwLFw56yfAuJJ8c4PNOGQymTd7iR12BiPkBMWQADMtt2GUVMn mnh8cjQoX8SnS0AwKJkZsNSX3ujMgQ8aT8zC8cUoN276HXWeSDQ3LDdlxybmSvTSuNc4O Ed8ANT0qeeRJStu43DncooHTqus+gEBkwfpKg9owxcudKfjfHbyo7+eUielXYiJQ30K3e sgWztrfTacbh2Ar9VAvHtk4Gn5uCQ5VnkKKyD2Aw8Z9ySLrIHovkIq4P37fpanNJNGg== 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=cPU3VkJN; 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 DCF60606A32D for ; Sat, 7 Nov 2026 21:41:36 +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=cPU3VkJN Received: by smtp.kernel.org (Postfix) with ESMTPSA id 737661F0089F; Sat, 7 Nov 2026 21:41:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794087696; bh=4+7aN4s6LnMZ63YOCI8/5amsps130q2UQ2MGoMQG5YI=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=cPU3VkJN/U45jKgqxTaHVO1UETNsfzTJ+ezxK6r9ObGLW7K6Vpn/fYHSzjaZBf9/0 cRPO7rpY3Xc9EKuf4rraPEH0uJIOASZg/b71HAHuTiDqkm2AWRc7yDMAHhJiHR/KhR PpSO9RC+tlYpoY/IBEMNEbUtmP8rV3kfJ55EO9YxopEZKBrpSIW44oL0XV/0aLZrXV xhsW6qc+QdWTR0I+mJ4OXx8/YSuGwS5k3NNRMkYOVuz7r26Q22gPFxwXGNSqHh/PvG ZZPu06AepDtVySYKvxr47bmBMzRWsXcojQ9ujdAw3i1hZwrMhe9GwF79uI3ruamRav nP18ujT+Re20A== Date: Sat, 7 Nov 2026 13:41:34 -0800 From: Eric Biggers To: linux-crypto@vger.kernel.org Cc: Ard Biesheuvel , "Jason A . Donenfeld" , Herbert Xu , Martin Willi , Antonio Quartulli Subject: Re: [PATCH] lib/crypto: x86/chacha: Remove vzeroupper at beginning of functions Message-ID: <20261107214134.GE137269@quark> References: <20261104053830.82604-1-ebiggers@kernel.org> 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-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261104053830.82604-1-ebiggers@kernel.org> On Tue, Nov 03, 2026 at 09:38:30PM -0800, Eric Biggers wrote: > There's no point in executing vzeroupper at the beginning of the AVX2 > and AVX-512 optimized functions. Remove it, leaving the vzeroupper at > the end (where it is needed) only. > > Signed-off-by: Eric Biggers > --- > lib/crypto/x86/chacha-avx2-x86_64.S | 5 ----- > lib/crypto/x86/chacha-avx512-x86_64.S | 6 ------ > 2 files changed, 11 deletions(-) Applied to https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git/log/?h=libcrypto-next - Eric