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 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 89EA0CFC27F for ; Tue, 15 Oct 2024 09:48:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 59A6310E55B; Tue, 15 Oct 2024 09:48:01 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="HXbEqah/"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id E80B710E092 for ; Tue, 15 Oct 2024 09:47:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1728985679; x=1760521679; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Uenwm3pZIpRxTypodU6j4tEVC8IHJWExsC28kPLcUHs=; b=HXbEqah/Ay9ZJlLMKgrfmtlEndIvjNZxVvxcNgtwLCrVo0qvnatrvyW1 Mz2rt0JNE8CF1Zt7b8PzcN0saFUxWent5owbXSaZJ7rsVy6dn5NKV1uZU 855zsSNOGlD0NCeLgGqC6gfIkwDRS2Wy2vws01T7UZL4JGpDWkwmN5k9i c2AAl2Kc+Hzq3RmUmdzGyTIC1aXgpeyDYnOQHTRkiptbLhZqnt8VtE8Ok ENLUpTj/utP6CKn39lZckXv9YM8P0s9ESbEzYGFsxq/BjukC1CrL0GTzh 4eW7zUhVkxKus/lDTtbXpbn3GDXBzOJ6gZvLYbKPeta0ceslbUU2CZBgw w==; X-CSE-ConnectionGUID: nz1L0hTTQDqlm6+Xzw3fBw== X-CSE-MsgGUID: J8zVjM91SCexIuPSBpf3oA== X-IronPort-AV: E=McAfee;i="6700,10204,11225"; a="27850222" X-IronPort-AV: E=Sophos;i="6.11,204,1725346800"; d="scan'208";a="27850222" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Oct 2024 02:47:58 -0700 X-CSE-ConnectionGUID: xg7TbPJESjOlaU5coBlP9Q== X-CSE-MsgGUID: 8x3Nm1jGQEGb2Tvr82twcA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,204,1725346800"; d="scan'208";a="82888586" Received: from nirmoyda-desk.igk.intel.com ([10.102.138.190]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Oct 2024 02:47:57 -0700 From: Nirmoy Das To: intel-xe@lists.freedesktop.org Cc: Nirmoy Das , Matthew Brost , Francois Dugast Subject: [PATCH 2/2] drm/xe/ufence: Warn if mmget_not_zero() fails Date: Tue, 15 Oct 2024 11:05:46 +0200 Message-ID: <20241015090546.3082719-3-nirmoy.das@intel.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20241015090546.3082719-1-nirmoy.das@intel.com> References: <20241015090546.3082719-1-nirmoy.das@intel.com> MIME-Version: 1.0 Organization: Intel Deutschland GmbH, Registered Address: Am Campeon 10, 85579 Neubiberg, Germany, Commercial Register: Amtsgericht Muenchen HRB 186928 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" This shouldn't happen but seen this while debugging ufence timeout issue time to time so log it to isolate this particular case. Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1630 Cc: Matthew Brost Signed-off-by: Nirmoy Das Reviewed-by: Francois Dugast --- drivers/gpu/drm/xe/xe_sync.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_sync.c b/drivers/gpu/drm/xe/xe_sync.c index 2e72c06fd40d..22f72df36ab2 100644 --- a/drivers/gpu/drm/xe/xe_sync.c +++ b/drivers/gpu/drm/xe/xe_sync.c @@ -83,6 +83,8 @@ static void user_fence_worker(struct work_struct *w) XE_WARN_ON("Copy to user failed"); kthread_unuse_mm(ufence->mm); mmput(ufence->mm); + } else { + XE_WARN_ON("mmget_not_zero() failed"); } wake_up_all(&ufence->xe->ufence_wq); -- 2.46.0