[PATCH kernel-4.19 07/19] drm/msm: Ratelimit invalid-fence message
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From: Rob Clark <robdclark@chromium.org> [ Upstream commit 7ad48d27a2846bfda29214fb454d001c3e02b9e7 ] We have seen a couple cases where low memory situations cause something bad to happen, followed by a flood of these messages obscuring the root cause. Lets ratelimit the dmesg spam so that next time it happens we don't lose the kernel traces leading up to this. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpu/drm/msm/msm_fence.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/msm_fence.c b/drivers/gpu/drm/msm/msm_fence.c index 349c12f670eb8..6c11be79574e5 100644 --- a/drivers/gpu/drm/msm/msm_fence.c +++ b/drivers/gpu/drm/msm/msm_fence.c @@ -56,7 +56,7 @@ int msm_wait_fence(struct msm_fence_context *fctx, uint32_t fence, int ret; if (fence > fctx->last_fence) { - DRM_ERROR("%s: waiting on invalid fence: %u (of %u)\n", + DRM_ERROR_RATELIMITED("%s: waiting on invalid fence: %u (of %u)\n", fctx->name, fence, fctx->last_fence); return -EINVAL; } -- 2.25.1
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Yang Yingliang