From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1E9AFCCFA00 for ; Tue, 4 Nov 2025 09:13:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 95DD68E010E; Tue, 4 Nov 2025 04:12:50 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8725D8E0115; Tue, 4 Nov 2025 04:12:50 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 712958E010E; Tue, 4 Nov 2025 04:12:50 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 4C5A18E0115 for ; Tue, 4 Nov 2025 04:12:50 -0500 (EST) Received: from smtpin25.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 18C5513AEA3 for ; Tue, 4 Nov 2025 09:12:50 +0000 (UTC) X-FDA: 84072359700.25.E5382B6 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by imf20.hostedemail.com (Postfix) with ESMTP id 0EE0D1C0007 for ; Tue, 4 Nov 2025 09:12:47 +0000 (UTC) Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=BLShkpsS; spf=pass (imf20.hostedemail.com: domain of kanchana.p.sridhar@intel.com designates 198.175.65.17 as permitted sender) smtp.mailfrom=kanchana.p.sridhar@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1762247568; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=alrRUUWSGvwmVIDJEpaZK7dtK4Vv0EdvSBSNKCk5+GI=; b=EcuoHXAn3VzbKnm60SRvj1mvLp8BNknU1EksAdpkdNUssDkqRB/NlH14MsGCLJ9hbmxsnr anoxa55VnOnlPq9HgpsVTL//lIDDE24dF3khpWPRjyGFNfi/MZgDCQGw/VEbS9ZthaPcuH yDjPMXS4n/5rMS2huDyGPcfS2Ivi1tU= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1762247568; a=rsa-sha256; cv=none; b=u6nbkb8kk5zEa/imYxEJ98JcsQkWpz+EwDgUBuI6TFL0FKLUoLFg5Q6sHcHSzUbzgfadS7 vKmnhT8lsfEkVi8q1BCfcryWDrwRJCsA4hb6BVd6CG6Ukn66Z1l5b8Fkloc63fDI0hJmiN w9r/UA6WW0fJ+TMpMJ6LViFzu7wow4s= ARC-Authentication-Results: i=1; imf20.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=BLShkpsS; spf=pass (imf20.hostedemail.com: domain of kanchana.p.sridhar@intel.com designates 198.175.65.17 as permitted sender) smtp.mailfrom=kanchana.p.sridhar@intel.com; dmarc=pass (policy=none) header.from=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762247568; x=1793783568; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=9P9wKFrNJfPIpXmyA+iBMEWI3wiIcFTfyNcL9Mq5cwY=; b=BLShkpsSH5p3Ckxo2fAoPcnXwr4hRwSqQaCIMAhEVM7NBUsdCxNXXZdy gHF8+CFdJ27RAL4Rq4mvDNEjWbC5Frbe+Jua5bCXkAjzQX3HDHf23CYZg MxjziJ+ZosTEDyEKZZwcrN3qzDva/ecsSescsb3vCSk6JENnjplYhvu0p 1bVlCpmjURF7jMRSw55FyaWhb86ND8HgNh9PxIHmmO9EyMPRUmzPjifxi vSCZP1Q8PmoUrFe8OGMluCbxywL6or7XvpoOtU1CHOUx30QZOEFYXJUjz CDTcC41A5TcYafywnR7CBQIupybOMcNHGoCzNTjn2umUwmbfx0uFZH9kX Q==; X-CSE-ConnectionGUID: ORFFEudDR12104xMuSenMA== X-CSE-MsgGUID: 5vtRQjGhQC6TTiyVIxRQmA== X-IronPort-AV: E=McAfee;i="6800,10657,11531"; a="64265194" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="64265194" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2025 01:12:38 -0800 X-CSE-ConnectionGUID: yWAMtL9kQPGGUXHGs045lA== X-CSE-MsgGUID: mcfHprBDQO2DIBpU0fv1wg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,278,1754982000"; d="scan'208";a="186795820" Received: from jf5300-b11a338t.jf.intel.com ([10.242.51.115]) by orviesa009.jf.intel.com with ESMTP; 04 Nov 2025 01:12:39 -0800 From: Kanchana P Sridhar To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, hannes@cmpxchg.org, yosry.ahmed@linux.dev, nphamcs@gmail.com, chengming.zhou@linux.dev, usamaarif642@gmail.com, ryan.roberts@arm.com, 21cnbao@gmail.com, ying.huang@linux.alibaba.com, akpm@linux-foundation.org, senozhatsky@chromium.org, sj@kernel.org, kasong@tencent.com, linux-crypto@vger.kernel.org, herbert@gondor.apana.org.au, davem@davemloft.net, clabbe@baylibre.com, ardb@kernel.org, ebiggers@google.com, surenb@google.com, kristen.c.accardi@intel.com, vinicius.gomes@intel.com Cc: wajdi.k.feghali@intel.com, vinodh.gopal@intel.com, kanchana.p.sridhar@intel.com Subject: [PATCH v13 15/22] crypto: iaa - Disable iaa_verify_compress by default. Date: Tue, 4 Nov 2025 01:12:28 -0800 Message-Id: <20251104091235.8793-16-kanchana.p.sridhar@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20251104091235.8793-1-kanchana.p.sridhar@intel.com> References: <20251104091235.8793-1-kanchana.p.sridhar@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam12 X-Rspam-User: X-Rspamd-Queue-Id: 0EE0D1C0007 X-Stat-Signature: q4z88sjc49s8iqrxrxce8jq84zdjjq7b X-HE-Tag: 1762247567-32226 X-HE-Meta: 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 ag0snltx Lyga+uMRQwCagYJd9TCP8h0PXjIo6c4S6TwPAQMD33Z9H74zsQtOjr6u/e6ez0dOWtLXkDqmcCTdBN0i7PKMGRE6FfJZprn261D4XY9wORUor/raJXolAAwbSrvGQ8dalPxAr/T1i1x3YiVeEYbM4YXXqon1+RfYaMyJZzyJpBiNfJWf3/MqJx1uFqw7WEdnXGADaSL4e1kTlXZO3omPP0jVpsTT5E7XbZb7v X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: This patch makes it easier for IAA hardware acceleration in the iaa_crypto driver to be loaded by default with "iaa_verify_compress" disabled, to facilitate performance comparisons with software compressors (which also do not run compress verification by default). Earlier, iaa_crypto compress verification used to be enabled by default. The iaa_crypto driver documentation has been updated with this change. With this patch, if users want to enable compress verification, they can do so with these steps: 1) disable all the IAA device/wq bindings that happen at boot time 2) rmmod iaa_crypto 3) modprobe iaa_crypto 4) echo 1 > /sys/bus/dsa/drivers/crypto/verify_compress 5) re-run initialization of the IAA devices and wqs Signed-off-by: Kanchana P Sridhar --- Documentation/driver-api/crypto/iaa/iaa-crypto.rst | 2 +- drivers/crypto/intel/iaa/iaa_crypto_main.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/driver-api/crypto/iaa/iaa-crypto.rst b/Documentation/driver-api/crypto/iaa/iaa-crypto.rst index d5e610ef4612..81a7dbd15f8b 100644 --- a/Documentation/driver-api/crypto/iaa/iaa-crypto.rst +++ b/Documentation/driver-api/crypto/iaa/iaa-crypto.rst @@ -239,7 +239,7 @@ The available attributes are: echo 0 > /sys/bus/dsa/drivers/crypto/verify_compress - The default setting is '1' - verify all compresses. + The default setting is '0' - to not verify compresses. - sync_mode diff --git a/drivers/crypto/intel/iaa/iaa_crypto_main.c b/drivers/crypto/intel/iaa/iaa_crypto_main.c index 8f477577dbd1..349fea0af454 100644 --- a/drivers/crypto/intel/iaa/iaa_crypto_main.c +++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c @@ -120,7 +120,7 @@ static bool iaa_distribute_decomps; static bool iaa_distribute_comps = true; /* Verify results of IAA compress or not */ -static bool iaa_verify_compress = true; +static bool iaa_verify_compress; /* * The iaa crypto driver supports three 'sync' methods determining how -- 2.27.0