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 X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BF8AC8301E for ; Fri, 9 Oct 2020 19:51:33 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2FB19223BF for ; Fri, 9 Oct 2020 19:51:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2FB19223BF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 370188E0005; Fri, 9 Oct 2020 15:51:31 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2CD826B0093; Fri, 9 Oct 2020 15:51:31 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0F16E6B0095; Fri, 9 Oct 2020 15:51:31 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0001.hostedemail.com [216.40.44.1]) by kanga.kvack.org (Postfix) with ESMTP id CC5E16B0087 for ; Fri, 9 Oct 2020 15:51:30 -0400 (EDT) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 7C2EA1EE6 for ; Fri, 9 Oct 2020 19:51:30 +0000 (UTC) X-FDA: 77353431540.11.ring99_070e959271e3 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin11.hostedemail.com (Postfix) with ESMTP id 44A97180F8B80; Fri, 9 Oct 2020 19:51:30 +0000 (UTC) X-HE-Tag: ring99_070e959271e3 X-Filterd-Recvd-Size: 5312 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by imf13.hostedemail.com (Postfix) with ESMTP; Fri, 9 Oct 2020 19:51:29 +0000 (UTC) IronPort-SDR: genPcu64NS0K9p9mGvbFLy64brtdj+h6SIm0BwSdNeGhB5RIx/Cy0sk5UHBe76k9YqAqBaMZTM yP5T1VD90VQA== X-IronPort-AV: E=McAfee;i="6000,8403,9769"; a="165592066" X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="165592066" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:27 -0700 IronPort-SDR: zNYl6viNpTmcuoOUFeW6ebDlF6mcWw7xHrLDRpkX9eSJEFyww70EqY5cZFdXSl9ODsqjoVqJW/ EpbiFUFW5goQ== X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="329006240" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:51:25 -0700 From: ira.weiny@intel.com To: Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra Cc: Ira Weiny , "David S. Miller" , Jakub Kicinski , Jesse Brandeburg , x86@kernel.org, Dave Hansen , Dan Williams , Fenghua Yu , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, kexec@lists.infradead.org, linux-bcache@vger.kernel.org, linux-mtd@lists.infradead.org, devel@driverdev.osuosl.org, linux-efi@vger.kernel.org, linux-mmc@vger.kernel.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-aio@kvack.org, io-uring@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-um@lists.infradead.org, linux-ntfs-dev@lists.sourceforge.net, reiserfs-devel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-nilfs@vger.kernel.org, cluster-devel@redhat.com, ecryptfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-afs@lists.infradead.org, linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, drbd-dev@lists.linbit.com, linux-block@vger.kernel.org, xen-devel@lists.xenproject.org, linux-cachefs@redhat.com, samba-technical@lists.samba.org, intel-wired-lan@lists.osuosl.org Subject: [PATCH RFC PKS/PMEM 11/58] drivers/net: Utilize new kmap_thread() Date: Fri, 9 Oct 2020 12:49:46 -0700 Message-Id: <20201009195033.3208459-12-ira.weiny@intel.com> X-Mailer: git-send-email 2.28.0.rc0.12.gb6a658bd00c9 In-Reply-To: <20201009195033.3208459-1-ira.weiny@intel.com> References: <20201009195033.3208459-1-ira.weiny@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Ira Weiny The kmap() calls in these drivers are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Jesse Brandeburg Signed-off-by: Ira Weiny --- drivers/net/ethernet/intel/igb/igb_ethtool.c | 4 ++-- drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/e= thernet/intel/igb/igb_ethtool.c index 6e8231c1ddf0..ac9189752012 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -1794,14 +1794,14 @@ static int igb_check_lbtest_frame(struct igb_rx_b= uffer *rx_buffer, =20 frame_size >>=3D 1; =20 - data =3D kmap(rx_buffer->page); + data =3D kmap_thread(rx_buffer->page); =20 if (data[3] !=3D 0xFF || data[frame_size + 10] !=3D 0xBE || data[frame_size + 12] !=3D 0xAF) match =3D false; =20 - kunmap(rx_buffer->page); + kunmap_thread(rx_buffer->page); =20 return match; } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/n= et/ethernet/intel/ixgbe/ixgbe_ethtool.c index 71ec908266a6..7d469425f8b4 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -1963,14 +1963,14 @@ static bool ixgbe_check_lbtest_frame(struct ixgbe= _rx_buffer *rx_buffer, =20 frame_size >>=3D 1; =20 - data =3D kmap(rx_buffer->page) + rx_buffer->page_offset; + data =3D kmap_thread(rx_buffer->page) + rx_buffer->page_offset; =20 if (data[3] !=3D 0xFF || data[frame_size + 10] !=3D 0xBE || data[frame_size + 12] !=3D 0xAF) match =3D false; =20 - kunmap(rx_buffer->page); + kunmap_thread(rx_buffer->page); =20 return match; } --=20 2.28.0.rc0.12.gb6a658bd00c9