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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 A8F96C388F7 for ; Tue, 20 Oct 2020 19:53:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 493B422283 for ; Tue, 20 Oct 2020 19:53:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603223590; bh=i4tSJFhcpdoYyFGdbx8qrSq1ZVm7uZj3YCN+HiJv7sM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=j9J7lPo8Kc3Kctwv3Tcpp1ef+tkOUugYt6yizvdptcAqX5EukWlFflwX/oUjo37t8 hvSwa3T4L56forYSUiLSehI6tLGouVjTqo9MZY5cQP9yHSbzu6gFZBdJPNWBkjg77a iycm5dmFz7C14gb3FQSdWdkYbwpmmjV1/9ZcoPUI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2438429AbgJTTxJ (ORCPT ); Tue, 20 Oct 2020 15:53:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:48258 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391578AbgJTTxH (ORCPT ); Tue, 20 Oct 2020 15:53:07 -0400 Received: from localhost (unknown [104.132.1.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5EEC72237B; Tue, 20 Oct 2020 19:53:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603223587; bh=i4tSJFhcpdoYyFGdbx8qrSq1ZVm7uZj3YCN+HiJv7sM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iCNO2UfMeKXrpQQ6GHndJ9kWYAbp1IRSoueEjJ3ZtPV/FTGsCvfaW3wDRwmwFQUru s/nw0+kWMfH3Ii+djdeT4xhGczYXdv1uOdS/qT+HEDSMKnZbx64gsa87Tf1nZuwNR2 NtI2fAZlZkkii30Lsq4As3BQIolUlk8z1vat/1hk= From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com Cc: Jaegeuk Kim , Alim Akhtar , Avri Altman , Can Guo Subject: [PATCH v2 3/5] scsi: ufs: use WQ_HIGHPRI for gating work Date: Tue, 20 Oct 2020 12:52:56 -0700 Message-Id: <20201020195258.2005605-4-jaegeuk@kernel.org> X-Mailer: git-send-email 2.29.0.rc1.297.gfa9743e501-goog In-Reply-To: <20201020195258.2005605-1-jaegeuk@kernel.org> References: <20201020195258.2005605-1-jaegeuk@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jaegeuk Kim Must have WQ_MEM_RECLAIM ``WQ_MEM_RECLAIM`` All wq which might be used in the memory reclaim paths **MUST** have this flag set. The wq is guaranteed to have at least one execution context regardless of memory pressure. Cc: Alim Akhtar Cc: Avri Altman Cc: Can Guo Signed-off-by: Jaegeuk Kim --- drivers/scsi/ufs/ufshcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index feb10ebf7a35..0858c0b55eac 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -1867,7 +1867,7 @@ static void ufshcd_init_clk_gating(struct ufs_hba *hba) snprintf(wq_name, ARRAY_SIZE(wq_name), "ufs_clk_gating_%d", hba->host->host_no); hba->clk_gating.clk_gating_workq = alloc_ordered_workqueue(wq_name, - WQ_MEM_RECLAIM); + WQ_MEM_RECLAIM | WQ_HIGHPRI); hba->clk_gating.is_enabled = true; -- 2.29.0.rc1.297.gfa9743e501-goog 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=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 55368C388F7 for ; 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Tue, 20 Oct 2020 19:53:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603223587; bh=i4tSJFhcpdoYyFGdbx8qrSq1ZVm7uZj3YCN+HiJv7sM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iCNO2UfMeKXrpQQ6GHndJ9kWYAbp1IRSoueEjJ3ZtPV/FTGsCvfaW3wDRwmwFQUru s/nw0+kWMfH3Ii+djdeT4xhGczYXdv1uOdS/qT+HEDSMKnZbx64gsa87Tf1nZuwNR2 NtI2fAZlZkkii30Lsq4As3BQIolUlk8z1vat/1hk= From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com Date: Tue, 20 Oct 2020 12:52:56 -0700 Message-Id: <20201020195258.2005605-4-jaegeuk@kernel.org> X-Mailer: git-send-email 2.29.0.rc1.297.gfa9743e501-goog In-Reply-To: <20201020195258.2005605-1-jaegeuk@kernel.org> References: <20201020195258.2005605-1-jaegeuk@kernel.org> MIME-Version: 1.0 X-Headers-End: 1kUxh2-0008qC-VO Subject: [f2fs-dev] [PATCH v2 3/5] scsi: ufs: use WQ_HIGHPRI for gating work X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Avri Altman , Can Guo , Alim Akhtar , Jaegeuk Kim Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Jaegeuk Kim Must have WQ_MEM_RECLAIM ``WQ_MEM_RECLAIM`` All wq which might be used in the memory reclaim paths **MUST** have this flag set. The wq is guaranteed to have at least one execution context regardless of memory pressure. Cc: Alim Akhtar Cc: Avri Altman Cc: Can Guo Signed-off-by: Jaegeuk Kim --- drivers/scsi/ufs/ufshcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index feb10ebf7a35..0858c0b55eac 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -1867,7 +1867,7 @@ static void ufshcd_init_clk_gating(struct ufs_hba *hba) snprintf(wq_name, ARRAY_SIZE(wq_name), "ufs_clk_gating_%d", hba->host->host_no); hba->clk_gating.clk_gating_workq = alloc_ordered_workqueue(wq_name, - WQ_MEM_RECLAIM); + WQ_MEM_RECLAIM | WQ_HIGHPRI); hba->clk_gating.is_enabled = true; -- 2.29.0.rc1.297.gfa9743e501-goog _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel