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=-11.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 18746C433E1 for ; Mon, 17 Aug 2020 17:23:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E5CF120657 for ; Mon, 17 Aug 2020 17:23:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="L44vToCN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389883AbgHQRXI (ORCPT ); Mon, 17 Aug 2020 13:23:08 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:59199 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389066AbgHQQvp (ORCPT ); Mon, 17 Aug 2020 12:51:45 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1597683104; h=In-Reply-To: Content-Type: MIME-Version: References: Message-ID: Subject: Cc: To: From: Date: Sender; bh=ZgA/A27N3hQncTooCvm4w49de5DXkpzGeD/gqykWj9E=; b=L44vToCNLhfT1aaclbfWz1DzVYACr3CcZbIo1qBIF9PPxOb02q25b+hB1QcymqZgMERx3YK4 k8wB/bbDI65AmDTwWDOM42i9VL2QvcyO7Q0srtwJO6JiG28sML8BnJnJiAjRmdfTjMq6Fq4k sby3rMDakzyaNnPexDgIPhpfNqA= X-Mailgun-Sending-Ip: 69.72.43.7 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-east-1.postgun.com with SMTP id 5f3ab5a0247ccc308c04a353 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 17 Aug 2020 16:51:44 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 16F65C433AD; Mon, 17 Aug 2020 16:51:42 +0000 (UTC) Received: from jcrouse1-lnx.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: jcrouse) by smtp.codeaurora.org (Postfix) with ESMTPSA id 90AC7C433CB; Mon, 17 Aug 2020 16:51:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 90AC7C433CB Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=jcrouse@codeaurora.org Date: Mon, 17 Aug 2020 10:51:37 -0600 From: Jordan Crouse To: Rob Clark Cc: dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org, linux-arm-msm@vger.kernel.org, Rob Clark , open list , Daniel Vetter , David Airlie , Will Deacon , Robin Murphy , Sean Paul , Sibi Sankar , Vivek Gautam , Stephen Boyd , freedreno@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 01/19] drm/msm: remove dangling submitqueue references Message-ID: <20200817165137.GG3221@jcrouse1-lnx.qualcomm.com> Mail-Followup-To: Rob Clark , dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org, linux-arm-msm@vger.kernel.org, Rob Clark , open list , Daniel Vetter , David Airlie , Will Deacon , Robin Murphy , Sean Paul , Sibi Sankar , Vivek Gautam , Stephen Boyd , freedreno@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org References: <20200810222657.1841322-1-jcrouse@codeaurora.org> <20200814024114.1177553-2-robdclark@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200814024114.1177553-2-robdclark@gmail.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 13, 2020 at 07:40:56PM -0700, Rob Clark wrote: > From: Rob Clark > > Currently it doesn't matter, since we free the ctx immediately. But > when we start refcnt'ing the ctx, we don't want old dangling list > entries to hang around. Reviewed-by: Jordan Crouse > Signed-off-by: Rob Clark > --- > drivers/gpu/drm/msm/msm_submitqueue.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/msm/msm_submitqueue.c b/drivers/gpu/drm/msm/msm_submitqueue.c > index a1d94be7883a..90c9d84e6155 100644 > --- a/drivers/gpu/drm/msm/msm_submitqueue.c > +++ b/drivers/gpu/drm/msm/msm_submitqueue.c > @@ -49,8 +49,10 @@ void msm_submitqueue_close(struct msm_file_private *ctx) > * No lock needed in close and there won't > * be any more user ioctls coming our way > */ > - list_for_each_entry_safe(entry, tmp, &ctx->submitqueues, node) > + list_for_each_entry_safe(entry, tmp, &ctx->submitqueues, node) { > + list_del(&entry->node); > msm_submitqueue_put(entry); > + } > } > > int msm_submitqueue_create(struct drm_device *drm, struct msm_file_private *ctx, > -- > 2.26.2 > > _______________________________________________ > iommu mailing list > iommu@lists.linux-foundation.org > https://lists.linuxfoundation.org/mailman/listinfo/iommu -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project