From nobody Wed Dec 17 19:41:00 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC6E9C3DA65 for ; Thu, 17 Aug 2023 18:44:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354099AbjHQSna (ORCPT ); Thu, 17 Aug 2023 14:43:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354506AbjHQSnR (ORCPT ); Thu, 17 Aug 2023 14:43:17 -0400 Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D8D030D6 for ; Thu, 17 Aug 2023 11:43:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=Mrs3vloTYZU5576RzrOHkfzzCoM/F6rfj/ZXqR1qTD8=; b=eieaTgIcBmA7Hp/wSyY49dhf29 0uVeGzMglxGKDgrcQnea2NVmNPkLQto6iDeLXEeBWMZWpqkYgamIrX/c8VWfPHJYosyjeAxrf5ckm uTfVvAwLJj/nchLsOSGBBBe1LnQTIrdox4ZG6cLg2FU3vGs888movhaDVDpNyo9UXgkrMossRmRe9 2w81kqVZvkOu6AKhA6v7l7mvos9ccgiYKGp12LYEkhtzOE3+GXW/0/9rpPGjp9cdjLnV42fnCd6tw oQk2uzM62xWn6sxeGkDtmubJRzZJEK4zps0+D6GLi2vV1b0uPrPdd05QcVjKmZdoetOT7/ryaI6pr awjvL4NA==; Received: from [191.193.179.209] (helo=steammachine.lan) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1qWhcC-0021I9-Pq; Thu, 17 Aug 2023 20:21:01 +0200 From: =?UTF-8?q?Andr=C3=A9=20Almeida?= To: dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: kernel-dev@igalia.com, alexander.deucher@amd.com, christian.koenig@amd.com, pierre-eric.pelloux-prayer@amd.com, =?UTF-8?q?=27Marek=20Ol=C5=A1=C3=A1k=27?= , Samuel Pitoiset , Bas Nieuwenhuizen , =?UTF-8?q?Timur=20Krist=C3=B3f?= , Shashank Sharma , =?UTF-8?q?Andr=C3=A9=20Almeida?= Subject: [PATCH v5 1/5] drm/amdgpu: Allocate coredump memory in a nonblocking way Date: Thu, 17 Aug 2023 15:20:46 -0300 Message-ID: <20230817182050.205925-2-andrealmeid@igalia.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230817182050.205925-1-andrealmeid@igalia.com> References: <20230817182050.205925-1-andrealmeid@igalia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org During a GPU reset, a normal memory reclaim could block to reclaim memory. Giving that coredump is a best effort mechanism, it shouldn't disturb the reset path. Change its memory allocation flag to a nonblocking one. Signed-off-by: Andr=C3=A9 Almeida Reviewed-by: Christian K=C3=B6nig --- v5: no change --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/a= md/amdgpu/amdgpu_device.c index aa171db68639..bf4781551f88 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4847,7 +4847,7 @@ static void amdgpu_reset_capture_coredumpm(struct amd= gpu_device *adev) struct drm_device *dev =3D adev_to_drm(adev); =20 ktime_get_ts64(&adev->reset_time); - dev_coredumpm(dev->dev, THIS_MODULE, adev, 0, GFP_KERNEL, + dev_coredumpm(dev->dev, THIS_MODULE, adev, 0, GFP_NOWAIT, amdgpu_devcoredump_read, amdgpu_devcoredump_free); } #endif --=20 2.41.0