Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   =?UTF-8?q?Andr=C3=A9=20Almeida?= <andrealmeid@igalia.com>
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?= <maraeo@gmail.com>,
        Samuel Pitoiset <samuel.pitoiset@gmail.com>,
        Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>,
        =?UTF-8?q?Timur=20Krist=C3=B3f?= <timur.kristof@gmail.com>,
        =?UTF-8?q?Andr=C3=A9=20Almeida?= <andrealmeid@igalia.com>
Subject: [RESEND v3 2/5] drm/amdgpu: Allocate coredump memory in a nonblocking way
Date:   Thu, 10 Aug 2023 16:23:27 -0300
Message-ID: <20230810192330.198326-3-andrealmeid@igalia.com>
In-Reply-To: <20230810192330.198326-1-andrealmeid@igalia.com>
References: <20230810192330.198326-1-andrealmeid@igalia.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Precedence: bulk

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: André Almeida <andrealmeid@igalia.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
 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/amd/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 amdgpu_device *adev)
 	struct drm_device *dev = adev_to_drm(adev);
 
 	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
-- 
2.41.0