From patchwork Fri Oct 9 19:50:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ira Weiny X-Patchwork-Id: 11828515 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 893AA14D5 for ; Fri, 9 Oct 2020 19:59:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B8C422403 for ; Fri, 9 Oct 2020 19:59:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388135AbgJIT7B (ORCPT ); Fri, 9 Oct 2020 15:59:01 -0400 Received: from mga11.intel.com ([192.55.52.93]:40581 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391084AbgJITxY (ORCPT ); Fri, 9 Oct 2020 15:53:24 -0400 IronPort-SDR: u2C4+hGb35+mtK+ndhIxjBMDcky7nNybvSNM6b4gqHKiqPmi0zpuRfougNCgV6H0aeq0l38fWM RPrL1Si+UaTw== X-IronPort-AV: E=McAfee;i="6000,8403,9769"; a="162068110" X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="162068110" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 12:53:23 -0700 IronPort-SDR: 1WKybDcesSB1sLOn62ClPw5Oz5roBPmtIQsa1XcymP/Rm5On5MJ4hIzRHLHnwze0O/9dY0G7BT oI/HBaoknNhQ== X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="355863255" 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 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 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org 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_command *cmd, } /* allow pio too; we don't allow highmem */ - kmap_addr = kmap(sg_page(sg)); + kmap_addr = kmap_thread(sg_page(sg)); if (direction == DMA_TO_DEVICE) t->tx_buf = kmap_addr + sg->offset; else @@ -950,7 +950,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd, /* discard mappings */ if (direction == 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); 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, struct mmc_request *mrq) int result; page = sg_page(data->sg); - buf = kmap(page) + data->sg->offset + (len * i); + buf = kmap_thread(page) + data->sg->offset + (len * i); result = 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 "