Received: by 2002:a05:6a10:6744:0:0:0:0 with SMTP id w4csp1376142pxu; Sat, 24 Oct 2020 08:46:03 -0700 (PDT) X-Google-Smtp-Source: ABdhPJydNEf9UchTNbooy9T5sqMlzRVyiepuLJDx1UkzS6gEPALpSznczIj0WhTfaoIWDOqNxQ2V X-Received: by 2002:a50:e881:: with SMTP id f1mr7716265edn.58.1603554362986; Sat, 24 Oct 2020 08:46:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1603554362; cv=none; d=google.com; s=arc-20160816; b=tmLCfo5punU4m+6x1NFStkaapzE/VsZ+I+/1Q+pwZypdZEKI/ojzqKETSuxEQoDIOu 6hvA1MiP0mm231mWpBOekkzUq4XaqsF0JINvdIzA8QEGL62WOE9EfLGVPsgiEUA8fxQS LIY5r8MvxHiotZiMWPGtlf3AbxeJFZ3SdAU9Uvo78V6uk03iZottHs21LClON95fI+PJ FgB1b5VKLEJyypxoaafExKdSRvlfXBoZ2A5acnx0Uznzw+IRe1uDZ6L9jDukSZmd8G4K a5hOkMVQwtP1MO97VDT1uAoU6p+9LNCCtySMpito/gIz0dRp6skGr/rYDaQb1YPpL2qe JvBw== 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=BV3a9AQ4e5FZ01q5inlf8Pyoa7sQopJF8VD8+EJ+oXA=; b=JHVCaM9l50p6vxhv6Mkd5IikuW4W6QC0WyKNZJk6W8ITMrewxoa0G5Mxu9sE3iJ1Cw TEwVKhxefOxeHZH7KKsLmfVl9l1vj89HhaKmZf3IbYDL+XmZyIfoFzfi/pPAMiXPviDB xPBIHKbnfPApsA4tO/XdaQ5jwAtN4hwA/MbHzdczpIXjDhWnRvw0CEZzxUkIgnjNnAak q+NQXp5Mk+aGhsZyn3/6Y2i2dWuZkzUpyP/KN6Nz9a7Wnflejyb3dubmdS+mUJByihqO B13RTvqYlfi4SEbw/3qg9Ro5EJhUhqmsuFlEqMDTb0cEItrz99iYte266/o+lTFxSy5p T0UA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=OB2xj8TK; 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 n19si3235378eju.255.2020.10.24.08.45.40; Sat, 24 Oct 2020 08:46:02 -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=OB2xj8TK; 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 S1760509AbgJXPGz (ORCPT + 99 others); Sat, 24 Oct 2020 11:06:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:60774 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760487AbgJXPGw (ORCPT ); Sat, 24 Oct 2020 11:06:52 -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 1F00A2225F; Sat, 24 Oct 2020 15:06:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603552012; bh=hJq6gHeglXeioT2p+UkEfD7VO+LTb3XRjMAAYvwCArA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OB2xj8TKyNzK+H3Wy7zmQPn1SNAqPCVdf/Vt/yvvVfMd3nX79mfjTExTgXezfpatV NvVs21u9lbZlDAaGVlhwcO1YSvfARNKm87ynq2hWcwkgfXMCxrJb/HBqR2oZHeA038 wShYwbMasNEyinsT5ALk/rwFhUwF+/RkkRtJtuu0= 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: cang@codeaurora.org, alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org, Jaegeuk Kim Subject: [PATCH v3 3/5] scsi: ufs: use WQ_HIGHPRI for gating work Date: Sat, 24 Oct 2020 08:06:44 -0700 Message-Id: <20201024150646.1790529-4-jaegeuk@kernel.org> X-Mailer: git-send-email 2.29.0.rc1.297.gfa9743e501-goog In-Reply-To: <20201024150646.1790529-1-jaegeuk@kernel.org> References: <20201024150646.1790529-1-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. 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 011e80a21170..bc0d623aed66 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