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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 B2D6ECA0FF7 for ; Wed, 27 Aug 2025 23:16:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WWYZoaalNsM3pNSIwcX39zXfmP+3YfdkUUB0QbXMemE=; b=vD2GO8WUZZ0n8V Hlegb9RM6aXpzY/ic7pLLGPwXgvCblfMN1W2voNvA321mrTwb31dMilwSlXqHzl6FCUra1txUPUk7 oQi5uceYCVaKX4eFgVqEqbxhLTyR2FzUnxiOYSkCjM2llSWv1rWNVW+LKeCnZsABfJJkFraP/ekI9 6eud929CvMu6EcR49clgacFLxtDOdSDPAc9dDdG7wZfT7ELmhzFUpxJi4C4lH+NxDy2srRnAwHkRl xLB+cl5iUT/2cOXwDbphYgrnNHYaGxbrt1vXFUqczl62iQxieQ98wbWigbempjDjjPJuRm1pJWpMC 3dVUpSshF+ZezCn6v+Fw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1urPNC-0000000HCQn-3XbC; Wed, 27 Aug 2025 23:16:10 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1urOMH-0000000H1Ov-1Cyd for linux-riscv@lists.infradead.org; Wed, 27 Aug 2025 22:11:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1756332668; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uIthYg0x+2djveHghlw2Jb9wmVGYKVQz7R4ULrPQfiU=; b=MS7bZtSAdbGRvdK9rTTSpb2zxa5boRrQiU/w+pT8DWxWwGYntrZgDMRGjRLSbh97jRAVxx E3ypqwx2AgSvIyM5VJUQLY7O0MQEz13z2zr77J0SDHf2V6n89TOBjKohxq+1IisUZzilOQ I9Sbv8e1xA20D/xbBnDlQTqO0JccBok= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-116-ssFK63pfMnq5S88UlMY_DQ-1; Wed, 27 Aug 2025 18:11:04 -0400 X-MC-Unique: ssFK63pfMnq5S88UlMY_DQ-1 X-Mimecast-MFC-AGG-ID: ssFK63pfMnq5S88UlMY_DQ_1756332659 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C780E180035B; Wed, 27 Aug 2025 22:10:58 +0000 (UTC) Received: from t14s.redhat.com (unknown [10.22.80.195]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 10AB430001A1; Wed, 27 Aug 2025 22:10:40 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: David Hildenbrand , Brett Creeley , Jason Gunthorpe , Yishai Hadas , Shameer Kolothum , Kevin Tian , Alex Williamson , Alexander Potapenko , Andrew Morton , Brendan Jackman , Christoph Lameter , Dennis Zhou , Dmitry Vyukov , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, iommu@lists.linux.dev, io-uring@vger.kernel.org, Jason Gunthorpe , Jens Axboe , Johannes Weiner , John Hubbard , kasan-dev@googlegroups.com, kvm@vger.kernel.org, "Liam R. Howlett" , Linus Torvalds , linux-arm-kernel@axis.com, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-ide@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mips@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, Lorenzo Stoakes , Marco Elver , Marek Szyprowski , Michal Hocko , Mike Rapoport , Muchun Song , netdev@vger.kernel.org, Oscar Salvador , Peter Xu , Robin Murphy , Suren Baghdasaryan , Tejun Heo , virtualization@lists.linux.dev, Vlastimil Babka , wireguard@lists.zx2c4.com, x86@kernel.org, Zi Yan Subject: [PATCH v1 31/36] vfio/pci: drop nth_page() usage within SG entry Date: Thu, 28 Aug 2025 00:01:35 +0200 Message-ID: <20250827220141.262669-32-david@redhat.com> In-Reply-To: <20250827220141.262669-1-david@redhat.com> References: <20250827220141.262669-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250827_151109_394502_988D3D13 X-CRM114-Status: GOOD ( 12.32 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org It's no longer required to use nth_page() when iterating pages within a single SG entry, so let's drop the nth_page() usage. Cc: Brett Creeley Cc: Jason Gunthorpe Cc: Yishai Hadas Cc: Shameer Kolothum Cc: Kevin Tian Cc: Alex Williamson Signed-off-by: David Hildenbrand --- drivers/vfio/pci/pds/lm.c | 3 +-- drivers/vfio/pci/virtio/migrate.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/vfio/pci/pds/lm.c b/drivers/vfio/pci/pds/lm.c index f2673d395236a..4d70c833fa32e 100644 --- a/drivers/vfio/pci/pds/lm.c +++ b/drivers/vfio/pci/pds/lm.c @@ -151,8 +151,7 @@ static struct page *pds_vfio_get_file_page(struct pds_vfio_lm_file *lm_file, lm_file->last_offset_sg = sg; lm_file->sg_last_entry += i; lm_file->last_offset = cur_offset; - return nth_page(sg_page(sg), - (offset - cur_offset) / PAGE_SIZE); + return sg_page(sg) + (offset - cur_offset) / PAGE_SIZE; } cur_offset += sg->length; } diff --git a/drivers/vfio/pci/virtio/migrate.c b/drivers/vfio/pci/virtio/migrate.c index ba92bb4e9af94..7dd0ac866461d 100644 --- a/drivers/vfio/pci/virtio/migrate.c +++ b/drivers/vfio/pci/virtio/migrate.c @@ -53,8 +53,7 @@ virtiovf_get_migration_page(struct virtiovf_data_buffer *buf, buf->last_offset_sg = sg; buf->sg_last_entry += i; buf->last_offset = cur_offset; - return nth_page(sg_page(sg), - (offset - cur_offset) / PAGE_SIZE); + return sg_page(sg) + (offset - cur_offset) / PAGE_SIZE; } cur_offset += sg->length; } -- 2.50.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv