From patchwork Fri Oct 18 06:40:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kanchana P Sridhar X-Patchwork-Id: 13841219 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 9BFF018DF73; Fri, 18 Oct 2024 06:41:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729233669; cv=none; b=kZ22l/6E2zroOZ+/V7ERn5AfZiR7rzSJDQt9ncBLWIzKQjV+3AY2tmOeZ/VYld3q9M6NgIXOPrC55W3oc4DLd1kAffncPamVLI2FOfHGY85nEKo1QE3qV+fSeJxuGtdG1Vf1hjgNiZ8Malp9G6kGNe/mY8gGphyb6Lzk3LT9etc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729233669; c=relaxed/simple; bh=EYVB88p4llixVMUciVyNq2hbHLQAzfv8NwXmpPaNhRE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=NDVTRtuS5pPEFMBefDkxtWhFN1jMT+qPBaiadBofVybAEh8BtFbExa+FLI3CotalfpObG3Dc48Gd8EaR2um+4NtFFxuduvYG8KEAttJYGuOup2CRl6fFRoahBMM9pcGg8iLElQGjuHO49K6xAYvPvZwrfq7TEC9EniMlwY/yKBk= 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=l8SHsib9; arc=none smtp.client-ip=192.198.163.15 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="l8SHsib9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729233668; x=1760769668; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=EYVB88p4llixVMUciVyNq2hbHLQAzfv8NwXmpPaNhRE=; b=l8SHsib9QltXFAR8wOWd0fJsFcSaSH6XWcb50Yt2KSEkh4haU1Chgkyn BDSO/wE3xc/IAQdCarULydR8qZaK8d+gdwmo9HP+TlGHvIM16jW6cG2dI kVpFK/eo0gpGiETbM72Yllmf4gzC0VQ8cX0tW3MMvipqbUAZ2xVu+HRk1 U8EAaum01MvtQOZcCHKto/nml9WzmGKgPHs3DPXOe/QjRHxVfT36aWaZx LoXYBuuLf5QzSYcd2D9w5up5DPOSRPCwq9oUXZogiCSWVFOCBle6g5+VC QqbabAeQkB2WOgT4Hf0tgNZH890AZTa2mkEe5bk+H89+ljzYjvpRWQZE0 g==; X-CSE-ConnectionGUID: 2/rQjdimRsm6LZvtU0sAlA== X-CSE-MsgGUID: aOhFlWsHTXqeFpEbosDNFQ== X-IronPort-AV: E=McAfee;i="6700,10204,11228"; a="28884856" X-IronPort-AV: E=Sophos;i="6.11,212,1725346800"; d="scan'208";a="28884856" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Oct 2024 23:41:03 -0700 X-CSE-ConnectionGUID: lhuPBnn6Sp2tniOZwmYnLg== X-CSE-MsgGUID: RubBN4GeQEObYR11REdZpA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="83607509" Received: from jf5300-b11a338t.jf.intel.com ([10.242.51.6]) by orviesa003.jf.intel.com with ESMTP; 17 Oct 2024 23:41:03 -0700 From: Kanchana P Sridhar To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, hannes@cmpxchg.org, yosryahmed@google.com, nphamcs@gmail.com, chengming.zhou@linux.dev, usamaarif642@gmail.com, ryan.roberts@arm.com, ying.huang@intel.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, zanussi@kernel.org, viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, mcgrof@kernel.org, kees@kernel.org, joel.granados@kernel.org, bfoster@redhat.com, willy@infradead.org, linux-fsdevel@vger.kernel.org Cc: wajdi.k.feghali@intel.com, vinodh.gopal@intel.com, kanchana.p.sridhar@intel.com Subject: [RFC PATCH v1 06/13] crypto: iaa - Disable iaa_verify_compress by default. Date: Thu, 17 Oct 2024 23:40:54 -0700 Message-Id: <20241018064101.336232-7-kanchana.p.sridhar@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20241018064101.336232-1-kanchana.p.sridhar@intel.com> References: <20241018064101.336232-1-kanchana.p.sridhar@intel.com> Precedence: bulk X-Mailing-List: linux-fsdevel@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 6c262b1eb09d..8e6859c97970 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) {