From patchwork Thu Feb 6 07:20:52 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kanchana P Sridhar X-Patchwork-Id: 862659 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (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 6C466225412; Thu, 6 Feb 2025 07:21:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738826473; cv=none; b=huLqiT79fSz9S2iDri6pO+3Xx9JhSoC+ucxagdM57gN8c4FU1k5Rx+Y536pYygIvcR/tanD8GqpPJUndXvxOUjPvFR89OIotYXFY076fJ5+XHlcdVfPhOc1gnM3oeXy1LRjOu3YZfk2eGQI3M1+d1GZPBqJU29v5yf5qBawveEQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738826473; c=relaxed/simple; bh=3AC0t67W9YXnQaqtfbv5O8FRwsYURPHnfKQ9TbAZwNM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=BBuliX7G0IFAQz6onl+ogct+auLC2wE4naAc2PzcIJx1rJ32hial8KKTIsaXnFCXb9wbw3pEBZ4Y/6xaSjMMDwe3QmrjVE1AFeTyffaJRXVyA9zxtf4p69lJj8IIoYkgdRutdTRFg47ry1uFrpJKbYgH+tnXXBm71ullQ4OFT2c= 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=L8drw6WV; arc=none smtp.client-ip=192.198.163.8 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="L8drw6WV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1738826471; x=1770362471; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3AC0t67W9YXnQaqtfbv5O8FRwsYURPHnfKQ9TbAZwNM=; b=L8drw6WVcz0l5+PL/Tjva+mGCrHs6aVlvGcfuCSBmXWIVUGK32C9hDBA SqnmlgZZp7iGtdf4GSRslX0UTFTR7odOIRcObDdRQyLwVbt3Y8cco8zqG X/fv273NV0Hd/srLXlSfEqpaHXhEp9DDty82aVOM9/9XexqKY2nksusOd 7RzJTJGuztJCMJOdZSE2uiHvVNg4Uskvzjekm5vyByt/BNQ+Q9X9A/Vay udoyJYB0PJeljUpZgjxERYBgeokjH9CGEQOy+ZFS2aPmkDXF7I+GaR/yP 6vFibNnfpYJcmYrWXsDaZ55twq6pQSBgevEP8V+XaKpSNyp7RuwFLC2Xb Q==; X-CSE-ConnectionGUID: 0AzmggkhRdeAe+O2647mnw== X-CSE-MsgGUID: xk7Wz4PdQeOSTqTWrv7zJg== X-IronPort-AV: E=McAfee;i="6700,10204,11336"; a="56962676" X-IronPort-AV: E=Sophos;i="6.13,263,1732608000"; d="scan'208";a="56962676" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2025 23:21:05 -0800 X-CSE-ConnectionGUID: BdejDC0cSAOKneED2yE52A== X-CSE-MsgGUID: pucbyX2lQJO2lO5OQM3S4g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="112022610" Received: from jf5300-b11a338t.jf.intel.com ([10.242.51.115]) by orviesa008.jf.intel.com with ESMTP; 05 Feb 2025 23:21:04 -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, 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 v6 06/16] crypto: iaa - Disable iaa_verify_compress by default. Date: Wed, 5 Feb 2025 23:20:52 -0800 Message-Id: <20250206072102.29045-7-kanchana.p.sridhar@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20250206072102.29045-1-kanchana.p.sridhar@intel.com> References: <20250206072102.29045-1-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 6d49f82165fe..f4807a828034 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) {