From nobody Mon Feb 9 06:34:21 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1602273808; cv=none; d=zohomail.com; s=zohoarc; b=mANVzPhupTcPLSjYjEGcZSQ43QgxkuzcmYjrE+WvI0Ahjz6ATa6SOFeAtK+AMD4I4mlXD4zisZgp5S9KjKdRKUHvhbRqcdaQenL86agjby6LdGmbKuAT8Gy4Xe6MyHl72l0LktIqqoyJI5JQdYsMHP1050dO12OLsiFOpdS82x0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1602273808; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=mhmsAFuZsEm7693FrKKAohtRh9m9oaQVdgOvSMzCICc=; b=S0dtdDVP8n14g2ylKU83SYi5rDwqSvY4xMprgMkh2I6aRcJ+Maj4WU7kL3KeqmzeBtysu8Fd9iQ1HyAoN1ZrV9wFi2U6eUmhUlq37sLFICyBEt9nY0+2JKhU8cjFWSaS6UGmsMGvQeToUr3Z3Boc6/kPvk1KNMsQ4BB24qSGdjc= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1602273808910956.4522409037294; Fri, 9 Oct 2020 13:03:28 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.5180.13528 (Exim 4.92) (envelope-from ) id 1kQybb-00008o-QJ; Fri, 09 Oct 2020 20:03:07 +0000 Received: by outflank-mailman (output) from mailman id 5180.13528; Fri, 09 Oct 2020 20:03:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kQybb-00008h-Mx; Fri, 09 Oct 2020 20:03:07 +0000 Received: by outflank-mailman (input) for mailman id 5180; Fri, 09 Oct 2020 20:03:05 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kQySK-0003VG-68 for xen-devel@lists.xenproject.org; Fri, 09 Oct 2020 19:53:32 +0000 Received: from mga07.intel.com (unknown [134.134.136.100]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id f3a4d526-b774-45b6-986a-8c76e30921b9; Fri, 09 Oct 2020 19:53:23 +0000 (UTC) Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:53:23 -0700 Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:53:21 -0700 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kQySK-0003VG-68 for xen-devel@lists.xenproject.org; Fri, 09 Oct 2020 19:53:32 +0000 Received: from mga07.intel.com (unknown [134.134.136.100]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id f3a4d526-b774-45b6-986a-8c76e30921b9; Fri, 09 Oct 2020 19:53:23 +0000 (UTC) Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:53:23 -0700 Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:53:21 -0700 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: f3a4d526-b774-45b6-986a-8c76e30921b9 IronPort-SDR: GhVMyiL9zhS2aRTAKOr+xl1SDa/QOf9DA/kKt55l4IUXUjm24NizN6Sb+9ifvZUj0phLSipFoi wYk7MinVHiCQ== X-IronPort-AV: E=McAfee;i="6000,8403,9769"; a="229715329" X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="229715329" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False IronPort-SDR: 1WKybDcesSB1sLOn62ClPw5Oz5roBPmtIQsa1XcymP/Rm5On5MJ4hIzRHLHnwze0O/9dY0G7BT oI/HBaoknNhQ== X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="355863255" From: ira.weiny@intel.com To: Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra Cc: Ira Weiny , Ulf Hansson , Sascha Sommer , 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 43/58] drivers/mmc: Utilize new kmap_thread() Date: Fri, 9 Oct 2020 12:50:18 -0700 Message-Id: <20201009195033.3208459-44-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 Content-Type: text/plain; charset="utf-8" From: Ira Weiny These kmap() calls are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Cc: Ulf Hansson Cc: Sascha Sommer Signed-off-by: Ira Weiny --- drivers/mmc/host/mmc_spi.c | 4 ++-- drivers/mmc/host/sdricoh_cs.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index 18a850f37ddc..ab28e7103b8d 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -918,7 +918,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_c= ommand *cmd, } =20 /* allow pio too; we don't allow highmem */ - kmap_addr =3D kmap(sg_page(sg)); + kmap_addr =3D kmap_thread(sg_page(sg)); if (direction =3D=3D DMA_TO_DEVICE) t->tx_buf =3D kmap_addr + sg->offset; else @@ -950,7 +950,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_c= ommand *cmd, /* discard mappings */ if (direction =3D=3D DMA_FROM_DEVICE) flush_kernel_dcache_page(sg_page(sg)); - kunmap(sg_page(sg)); + kunmap_thread(sg_page(sg)); if (dma_dev) dma_unmap_page(dma_dev, dma_addr, PAGE_SIZE, dir); =20 diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c index 76a8cd3a186f..7806bc69c4f1 100644 --- a/drivers/mmc/host/sdricoh_cs.c +++ b/drivers/mmc/host/sdricoh_cs.c @@ -312,11 +312,11 @@ static void sdricoh_request(struct mmc_host *mmc, str= uct mmc_request *mrq) int result; page =3D sg_page(data->sg); =20 - buf =3D kmap(page) + data->sg->offset + (len * i); + buf =3D kmap_thread(page) + data->sg->offset + (len * i); result =3D sdricoh_blockio(host, data->flags & MMC_DATA_READ, buf, len); - kunmap(page); + kunmap_thread(page); flush_dcache_page(page); if (result) { dev_err(dev, "sdricoh_request: cmd %i " --=20 2.28.0.rc0.12.gb6a658bd00c9