From patchwork Mon Mar 3 08:47:16 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sridhar, Kanchana P" X-Patchwork-Id: 13998336 X-Patchwork-Delegate: herbert@gondor.apana.org.au Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 C5EDD1F0E28; Mon, 3 Mar 2025 08:47:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740991657; cv=none; b=kWX/JysIMJKFXZsoRdADBKOseC5SpfMTCIkGSsBSMAXW5DRVtQAqOldoXCrD6vFbZToXHxd+UvfZWsozJFvuKHWGZ+uTROkrA7DCJvAT1ds5Eq23w85ggsueJpp5JG2Rm65cCWJaoX3IpV50Mvf1UxqU6JwMKuFIzd5yyfo3xL8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740991657; c=relaxed/simple; bh=yHP5Zb8+z92UaMlcfYAxfjtnW5rOspDIJ08VjR15a3A=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=C5SpCPtSN3y89nMvoYzA4wp+XCjgP26jGUKXhtqBIpfH/0/0W+j9iqhyDYx8kvG7bvn6os343WEq+X/MaUzyJXdGP9OcEpdp5kDDCpCMWkhXJSzHInFJbbqDt5Dvju6inlsNOzrFRksJ0izkbhKClA7FEAB1lYV+0eI5ya+zsqs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=TSgkgmWe; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="TSgkgmWe" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1740991656; x=1772527656; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yHP5Zb8+z92UaMlcfYAxfjtnW5rOspDIJ08VjR15a3A=; b=TSgkgmWeb6sbRSbU8EkxWy4L6daq7oA0pCvPYnsI8Sfe0P5yPl4zRwpG cVmdVU5Y/qEcC5i9IIna6VGJf5IqlARewHqekc3VXdRFWhgxoTCdFS4pg QUZ0dpRXz9ebWVM0ELu6ZA4cOhZIA6txRAh07rB2sqb9pYFO25Fm44Lvj 2y4hD/KoSkFoFptyx4p8VcCJQP3sFTMuK7u//KS9sk8iI/vQG6A9Nt/1z M/oOh5uL5pdAdQR95tpTZ1NcU5KXBTdrIED+S2CmzcXitDwFlzAuTbfJc 3lWWNVKslsoLP8K4bUocRd7NsxHJ1EWz9m3JQKykKXSdwl+IwSoixCut2 A==; X-CSE-ConnectionGUID: f6xs1iZNSmGfl0+JBC6vsw== X-CSE-MsgGUID: imyCbgmkSFqONg6pkW42aQ== X-IronPort-AV: E=McAfee;i="6700,10204,11361"; a="42111923" X-IronPort-AV: E=Sophos;i="6.13,329,1732608000"; d="scan'208";a="42111923" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Mar 2025 00:47:32 -0800 X-CSE-ConnectionGUID: lYP0XnrKQSqHh0j88W47jQ== X-CSE-MsgGUID: rCTevcFxQLi+bA7Gz5gqig== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,329,1732608000"; d="scan'208";a="118426798" Received: from jf5300-b11a338t.jf.intel.com ([10.242.51.115]) by fmviesa010.fm.intel.com with ESMTP; 03 Mar 2025 00:47:31 -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, 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 Cc: wajdi.k.feghali@intel.com, vinodh.gopal@intel.com, kanchana.p.sridhar@intel.com Subject: [PATCH v8 06/14] crypto: iaa - Disable iaa_verify_compress by default. Date: Mon, 3 Mar 2025 00:47:16 -0800 Message-Id: <20250303084724.6490-7-kanchana.p.sridhar@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20250303084724.6490-1-kanchana.p.sridhar@intel.com> References: <20250303084724.6490-1-kanchana.p.sridhar@intel.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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. 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 --- drivers/crypto/intel/iaa/iaa_crypto_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/intel/iaa/iaa_crypto_main.c b/drivers/crypto/intel/iaa/iaa_crypto_main.c index 4dac4852c113..5038fd7ced02 100644 --- a/drivers/crypto/intel/iaa/iaa_crypto_main.c +++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c @@ -94,7 +94,7 @@ static bool iaa_crypto_enabled; static bool iaa_crypto_registered; /* Verify results of IAA compress or not */ -static bool iaa_verify_compress = true; +static bool iaa_verify_compress = false; static ssize_t verify_compress_show(struct device_driver *driver, char *buf) {