From patchwork Fri Jun 16 09:30:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 13282418 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 201BFEB64DB for ; Fri, 16 Jun 2023 09:30:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6A2A010E0B7; Fri, 16 Jun 2023 09:30:46 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id DC88110E57D; Fri, 16 Jun 2023 09:30:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686907844; x=1718443844; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=fsOMmHirw2hERcAsASShRZ6a/xLp1Hd0mnKSXa+Ot6w=; b=eUIguoUC1KPJbtL9ZnSgtzmc4q1fBMrN/gdveM/oQLWl4Lqaw36H/Js0 RVHLqSFkJC3AMMhovkggrBgcZ3bQJkKJIlv3JkC819TwH2CN/04OJkVB5 OB4N1Ib2m3LO/ThIHoOCWvw+rAHS0wMCpvRmhoRs3Nx5+S9hjWumZ4Q3K MW4tZmQ6KbifmIF6cr7WxZ7QvIyQBgsyGHhaehFPhZKI5CVM4i/qpSwdg sViRkZxuzwyU1hb13K6z7ZJtfjd/BXway9W7338v9YT6IpxxTgcddxdpQ CRWO6equdypENiXDkj+eHD4Sme563ir2vvWY0fmGLwdTuRKdVa5Ve3xaw w==; X-IronPort-AV: E=McAfee;i="6600,9927,10742"; a="387863424" X-IronPort-AV: E=Sophos;i="6.00,247,1681196400"; d="scan'208";a="387863424" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jun 2023 02:30:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10742"; a="742601906" X-IronPort-AV: E=Sophos;i="6.00,247,1681196400"; d="scan'208";a="742601906" Received: from 984fee00a4c6.jf.intel.com ([10.165.58.231]) by orsmga008.jf.intel.com with ESMTP; 16 Jun 2023 02:30:44 -0700 From: Yi Liu To: alex.williamson@redhat.com, jgg@nvidia.com, kevin.tian@intel.com Date: Fri, 16 Jun 2023 02:30:33 -0700 Message-Id: <20230616093042.65094-2-yi.l.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230616093042.65094-1-yi.l.liu@intel.com> References: <20230616093042.65094-1-yi.l.liu@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v8 01/10] vfio/pci: Update comment around group_fd get in vfio_pci_ioctl_pci_hot_reset() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mjrosato@linux.ibm.com, jasowang@redhat.com, xudong.hao@intel.com, zhenzhong.duan@intel.com, peterx@redhat.com, terrence.xu@intel.com, chao.p.peng@linux.intel.com, linux-s390@vger.kernel.org, yi.l.liu@intel.com, kvm@vger.kernel.org, lulu@redhat.com, yanting.jiang@intel.com, joro@8bytes.org, nicolinc@nvidia.com, yan.y.zhao@intel.com, intel-gfx@lists.freedesktop.org, eric.auger@redhat.com, intel-gvt-dev@lists.freedesktop.org, yi.y.sun@linux.intel.com, clegoate@redhat.com, cohuck@redhat.com, shameerali.kolothum.thodi@huawei.com, suravee.suthikulpanit@amd.com, robin.murphy@arm.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" This suits more on what the code does. Reviewed-by: Kevin Tian Reviewed-by: Jason Gunthorpe Reviewed-by: Eric Auger Signed-off-by: Yi Liu --- drivers/vfio/pci/vfio_pci_core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c index ec7e662de033..f4153fd22a87 100644 --- a/drivers/vfio/pci/vfio_pci_core.c +++ b/drivers/vfio/pci/vfio_pci_core.c @@ -1311,9 +1311,8 @@ static int vfio_pci_ioctl_pci_hot_reset(struct vfio_pci_core_device *vdev, } /* - * For each group_fd, get the group through the vfio external user - * interface and store the group and iommu ID. This ensures the group - * is held across the reset. + * Get the group file for each fd to ensure the group is held across + * the reset */ for (file_idx = 0; file_idx < hdr.count; file_idx++) { struct file *file = fget(group_fds[file_idx]);