Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp41347pxk; Mon, 5 Oct 2020 17:04:28 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyoaaZ5D2b2qjNcfm3pYxiv5MQuj38PiBgQuP0zxWuESNPyy/T0UIk92SZ7yFmw7Zbi8lYy X-Received: by 2002:a17:907:7292:: with SMTP id dt18mr2192114ejc.265.1601942668704; Mon, 05 Oct 2020 17:04:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1601942668; cv=none; d=google.com; s=arc-20160816; b=aAb5OrM5WQqqv9eR4uHbb+clDznBlhmm2MEt8ijPD4bQgZ1JHug7u0UPY4U08StY1x XxGDFLvPBTGh3MRqB0UH1v+rv+Ok0lW5qFyepWeAy3Apb9CVHZvskJ2altqYuT1+VD7t PG0qMv1r7RVzaWqarMJ2hM5mHV07T+Fwdqgv21nScK1SAsNzVuwtrXLdg28n7oaYX61T B9zYW6jwQcXMwnUXqOMG6HT85EkzvU4DVthOY3ZltkwVQUOtpl97jHkz9LPe56TWKwAr tH/HfKZfoy9Wj2TEdaM8ayTDxdU3d4nNk+jOwcqD5krqHewY0UxD+k93y1lQ6dkvqQcO wPVw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=T3n61mOZQv2NzyY82Bew7BgRYTvz5rgR8YSDObK39F0=; b=bIZSRqRmH5Jdgy6xZVSAYcgo6rbfeZDRiVM9pOQaAC2cMbXT1xq8SHh0EZUQrDK96U aIuLSECobsuIDHN+tKbnWaOT4c6HIb631QiE6J5b6QRvbpwEW5/BqDuV7/kbkUOwQ0x8 4WIuY8MQIOXxrBJW5lGKxxfrqWgPxqOBDuZEX6HSEsGa/4RJy6x8VweIVuuFltIGGoZb vALFgyV4Sx4yIPYETaKTPGmcYJqsODJn089tfWJLfyrYvtEy84/qNYYLGcDrtUQ2oAEI I9VbjEFJ5LdIofCEofG2u9A7tsFh0Z/v+Ay1qjVFkA+8nA5sl8i5whZNykJRInj4X1b4 u8tw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=JXLRaiau; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id e9si784765eji.535.2020.10.05.17.04.06; Mon, 05 Oct 2020 17:04:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=JXLRaiau; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727290AbgJEWgr (ORCPT + 99 others); Mon, 5 Oct 2020 18:36:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:56836 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727229AbgJEWgi (ORCPT ); Mon, 5 Oct 2020 18:36:38 -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 56D222078E; Mon, 5 Oct 2020 22:36:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601937398; bh=RhyUsFh8Oj9BZ0Tkwf+g+61O5+QJ5rAXX1sFTcNEPoI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JXLRaiau8dvduWBufMNInMtGOYX20vfAyVRI3y6828LZzejy07o5Asr8vxC5wFDsZ bKG+dJsOrCViSxvY+obWAbriDUbF/Mxdv6Vl2LvtN5IaARIeGTO7wCjLz9GROPc8hd 7LKWHR2c64LLsj497TCm4yuHIJ37WpeiXCpHB410= From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, kernel-team@android.com Cc: Jaegeuk Kim , Alim Akhtar , Avri Altman , Can Guo Subject: [PATCH 3/4] scsi: ufs: use WQ_HIGHPRI for gating work Date: Mon, 5 Oct 2020 15:36:34 -0700 Message-Id: <20201005223635.2922805-3-jaegeuk@kernel.org> X-Mailer: git-send-email 2.28.0.806.g8561365e88-goog In-Reply-To: <20201005223635.2922805-1-jaegeuk@kernel.org> References: <20201005223635.2922805-1-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 0bb07b50bd23e..76e95963887be 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -1849,7 +1849,7 @@ 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; -- 2.28.0.806.g8561365e88-goog