Use a locked xchg to ensure that the global log message giving instructions on how to send a bug report is emitted precisely once.
Signed-off-by: Chris Wilson <[email protected]> --- drivers/gpu/drm/i915/i915_gpu_error.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index b0ae055b6c82..e284bd76fa86 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -1765,7 +1765,7 @@ void i915_capture_error_state(struct drm_i915_private *i915, return; } - if (!warned && + if (!xchg(&warned, true) && ktime_get_real_seconds() - DRIVER_TIMESTAMP < DAY_AS_SECONDS(180)) { pr_info("GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.\n"); pr_info("Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel\n"); @@ -1773,7 +1773,6 @@ void i915_capture_error_state(struct drm_i915_private *i915, pr_info("The GPU crash dump is required to analyze GPU hangs, so please always attach it.\n"); pr_info("GPU crash dump saved to /sys/class/drm/card%d/error\n", i915->drm.primary->index); - warned = true; } } -- 2.23.0.rc1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
