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=1794087838; b=vulcaGXd1fv8Qx9VWDW+JQ8hIEiBYu6F4Ka5NiliSK5WARiN8a7spqa3/CPr2QyauEQp 3SH48Uip30M0ALpAOUdmOhYoc9YDzVi28ExoyqSRhzq5OkeMX3ofkqgiAGqcoMZ+D/5HO ZmenktJEZEy8GvoAll9iC7V0mkbKK/4ioHKiMTiD5PtPFumuVxLekaNwy+3rteZj9ES84 XFAl3/Edb512lHPr4Q0b9Dop6Qsiuu4SNjrPJFL1YFPLGTgGsXvgmTPE2Pa8iIyj4jXBw nFFJ/JlGX5BYj6sbSfTA2QqnHpYDPkaXwQ7YebqJ1kdR3DZ+Ph9VCbUeDCnR71ItZoA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794087838; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=Yeq9A7b0LSn9xu/qZLXbpRaNEdQjL0QdyvJUsqYhZCM=; b=cTRa7/OTEEzOHdFoCqY4nJ/kPRur+jXtP2J5K0jjfQyw+Jk+jurl++Tsyk/8L00v4DPd Eztwcu3TpJwYEghDjYWKC/9P0e+Z7QfpizYYP1r9xLXjqfcrmqXlT11WveZflme0Rbunr HvUTUcfkK8H2N1UIqBmP1MlbUnntwOMeVRsTklg/0wn0xx2WCEFQThBePRAW0eBJjVpAM 5+2B8+81aKk+Osv2K5Fi03LCLOdxg8cRNjkIpuK4kmo54VoWB/XxZfPRRcnwfBwz//NOl YDyNJ3fl9cO7o0C+L6r3rUY7bd9YpdBP/9quNqejHkI9wnE9cFKlTt2i8+MyzT8lceQ== 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=mE9Qnrmd; 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 51235606A326 for ; Sat, 7 Nov 2026 21:43:58 +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=mE9Qnrmd Received: by smtp.kernel.org (Postfix) with ESMTPSA id B9BDE1F008A1; Sat, 7 Nov 2026 21:43:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794087837; bh=Yeq9A7b0LSn9xu/qZLXbpRaNEdQjL0QdyvJUsqYhZCM=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=mE9QnrmdzgZs3MgzgdyT0qCzX6sOZiODd9NcIaKQ5dW42ygtq+G5DwnDcGR7n5oJH O9HGw/Iy2l27JkQ1Fv1TS4u//hdB5bnyCcWn/5crEfl8JR28Gn9BZKdCCpccIlfD2C xpLePw9qiJ6qS7EreMOzh9VeRaDNkUSwXIzJBkpooGjCEZCYXATjChuA0tH5nGrpd9 noT+Zb9O4HGJSApNHpI5X+TeYj7Sy9Tpu1yiwnCHG4qy1r7OJW+aJL3SrmylmItv4Y R62djnJcvhYDIjUjXR5P6LDhikMLA+GajYMxa3CIy4krqenzxQGd+6g67Zzyfy+oO7 6IJSo3FpTkEuA== Date: Sat, 7 Nov 2026 13:43:56 -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: Improve interleaving in chacha_8block_xor_avx512vl() Message-ID: <20261107214356.GF137269@quark> References: <20261104061209.143901-1-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: <20261104061209.143901-1-ebiggers@kernel.org> On Tue, Nov 03, 2026 at 10:12:09PM -0800, Eric Biggers wrote: > The 'VL == 64' case has an optimization that eliminates some 'vmovdqa64' > instructions, but it was not carried over to the 'VL == 32' case. Do > so, and make most of the code that interleaves 64-bit words shared. > > Signed-off-by: Eric Biggers > --- > lib/crypto/x86/chacha-avx512-x86_64.S | 77 ++++++++++----------------- > 1 file changed, 27 insertions(+), 50 deletions(-) Applied to https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git/log/?h=libcrypto-next - Eric