From patchwork Mon Nov 13 08:54:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 13453703 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6E1E8C072DD for ; Mon, 13 Nov 2023 08:55:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9999C10E182; Mon, 13 Nov 2023 08:55:11 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id E314010E16B; Mon, 13 Nov 2023 08:55:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1699865709; x=1731401709; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FGOtSId/fOGCrcxtmNcWz9pg1mFlWQXT040bL2gE9Dg=; b=I5J228itYd2qcpqlC9r84duL9P9452plATQfNT3IxnpnCUdLtU1kCNLX RzaqDAajlEgxPO16RUU5XLbQCk7hOBupJcsHJPZY9IgZoVGNGbL2dO3HH 4WVXj3WZwx0lAB3LTpLaidHdy6bwmC0EFFwx7HF5wpzLUrD2KpeIQTwhP CKJEX93f18XiOgRw09Xa3RNbThPEqKDtzXNoTLKkV1/wTtqwE6eHzw57Z 3x+V5UV3oAMFxXqt4nkPIJoB7QigPEP+NORKNnEuMPpCthiNAmsfK+qSs VR4v6mBwv5cBwr5EHwwdIehCgNTUyozOdd3GDkDQB7m4DTN9emU3Mqdc7 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10892"; a="389265783" X-IronPort-AV: E=Sophos;i="6.03,299,1694761200"; d="scan'208";a="389265783" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2023 00:55:09 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10892"; a="767845828" X-IronPort-AV: E=Sophos;i="6.03,299,1694761200"; d="scan'208";a="767845828" Received: from jbarry-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.213.209.239]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2023 00:55:07 -0800 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Mon, 13 Nov 2023 08:54:57 +0000 Message-Id: <20231113085457.199053-2-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231113085457.199053-1-tvrtko.ursulin@linux.intel.com> References: <20231113085457.199053-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/2] drm/i915: Add __rcu annotation to cursor when iterating client objects X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tvrtko Ursulin Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin __rcu annotation is needed to avoid the sparse warnings such as: .../i915_drm_client.c:92:9: sparse: sparse: incompatible types in comparison expression (different address spaces): .../i915_drm_client.c:92:9: sparse: struct list_head [noderef] __rcu * .../i915_drm_client.c:92:9: sparse: struct list_head * Signed-off-by: Tvrtko Ursulin Fixes: 968853033d8a ("drm/i915: Implement fdinfo memory stats printing") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202311110610.h0m6ydI5-lkp@intel.com/ Cc: Andi Shyti Cc: Aravind Iddamsetty Reviewed-by: Jani Nikula Reviewed-by: Andi Shyti --- drivers/gpu/drm/i915/i915_drm_client.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/i915_drm_client.c index be9acfd9410e..fa6852713bee 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.c +++ b/drivers/gpu/drm/i915/i915_drm_client.c @@ -78,7 +78,7 @@ static void show_meminfo(struct drm_printer *p, struct drm_file *file) struct drm_i915_private *i915 = fpriv->i915; struct drm_i915_gem_object *obj; struct intel_memory_region *mr; - struct list_head *pos; + struct list_head __rcu *pos; unsigned int id; /* Public objects. */