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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E47ECC433EF for ; Sun, 26 Jun 2022 05:36:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233788AbiFZFgT (ORCPT ); Sun, 26 Jun 2022 01:36:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229742AbiFZFgQ (ORCPT ); Sun, 26 Jun 2022 01:36:16 -0400 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4E00913DEA; Sat, 25 Jun 2022 22:36:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1656221775; x=1687757775; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=kblb61Kx0cy7fIE3JvdSA0q4mukZjRDnLg/zeZBGwCI=; b=fKNwhDU2WDkBlD4mMsyXzVq3+C1Ohem8sStnVwLNGcLUHjQ4/wBQBEY4 jBKYn2Uwwr0k+xPOKTijTeYazLJXulYF2blN5vo/KBIXPsps6bG4lxEWP flVwKgjPToNe6eXzZ9KgMg4xtTYrBMpAxKaGBBuQYiCJYFwIBfQGy2q90 tR9owOJmP6zG2TeTEsLxw1CQh4Lbmv5xylqOqW6qklqkz7T8J+krIduAG aLDwUUYPLXNbHDyU79hlWRcSXyiLSl7CbQFoXV/f3OzzdPHq/NoTxLFgB HqQxtzf55QDyTB+tOKKXOkNlE8hmMALiTTZquw/YdzO8bOHZRWs4l4v9H Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10389"; a="261665108" X-IronPort-AV: E=Sophos;i="5.92,223,1650956400"; d="scan'208";a="261665108" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2022 22:36:14 -0700 X-IronPort-AV: E=Sophos;i="5.92,223,1650956400"; d="scan'208";a="645892285" Received: from fyu1.sc.intel.com ([172.25.103.126]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2022 22:36:14 -0700 Date: Sat, 25 Jun 2022 22:36:40 -0700 From: Fenghua Yu To: Jerry Snitselaar Cc: dmaengine@vger.kernel.org, Vinod Koul , linux-kernel@vger.kernel.org, Dave Jiang Subject: Re: [PATCH v3] dmaengine: idxd: Only call idxd_enable_system_pasid() if succeeded in enabling SVA feature Message-ID: References: <20220625221333.214589-1-jsnitsel@redhat.com> <20220626051648.14249-1-jsnitsel@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220626051648.14249-1-jsnitsel@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jun 25, 2022 at 10:16:48PM -0700, Jerry Snitselaar wrote: > On a Sapphire Rapids system if boot without intel_iommu=on, the IDXD > driver will crash during probe in iommu_sva_bind_device(). > Signed-off-by: Jerry Snitselaar Acked-by: Fenghua Yu Thanks. -Fenghua