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=-9.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 3C9EBC4363A for ; Mon, 26 Oct 2020 18:27:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E83B220756 for ; Mon, 26 Oct 2020 18:27:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="DyAUFq//" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1789747AbgJZS1l (ORCPT ); Mon, 26 Oct 2020 14:27:41 -0400 Received: from z5.mailgun.us ([104.130.96.5]:24609 "EHLO z5.mailgun.us" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1789740AbgJZS1k (ORCPT ); Mon, 26 Oct 2020 14:27:40 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1603736859; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=2rVdRj4SsbfGPG3FVq4W/LAdXew0WoAOEbrxP4lHncM=; b=DyAUFq//vPF8dgR6OKKXgNqmh7O7UiryG/B1S+RI5oMBqu/FxT9lKMzTXzSlwi0z9BXyFVwF 6nnyuGrYHgFA4rWwX6BhYsequWOukE4Ft0spllRK6/U+evuJLheiHbGEOlhj466Ziuyff9Gt baWQWz6o3FFEhyy58/FndKtPa60= X-Mailgun-Sending-Ip: 104.130.96.5 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n07.prod.us-west-2.postgun.com with SMTP id 5f97151b6311e6e920de586a (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 26 Oct 2020 18:27:39 GMT Sender: asutoshd=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 68FF4C43395; Mon, 26 Oct 2020 18:27:39 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: asutoshd) by smtp.codeaurora.org (Postfix) with ESMTPSA id B56BBC433FE; Mon, 26 Oct 2020 18:27:38 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Mon, 26 Oct 2020 11:27:38 -0700 From: asutoshd@codeaurora.org To: Jaegeuk Kim Cc: linux-kernel@vger.kernel.org, linux-@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com, cang@codeaurora.org, alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org, Jaegeuk Kim Subject: Re: [PATCH v3 3/5] scsi: ufs: use WQ_HIGHPRI for gating work In-Reply-To: <20201024150646.1790529-4-jaegeuk@kernel.org> References: <20201024150646.1790529-1-jaegeuk@kernel.org> <20201024150646.1790529-4-jaegeuk@kernel.org> Message-ID: <0ba2065c107eacd112858905e8d079e0@codeaurora.org> X-Sender: asutoshd@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-10-24 08:06, Jaegeuk Kim wrote: > 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 > --- Reviewed-by: Asutosh Das > 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;