c961561382
Let's ensure that we cannot run indefinitely without the hangcheck worker being queued. We removed it from being kicked on every request because we were kicking it a few millions times in every hangcheck interval and only once is necessary! However, that leaves us with the issue of what if userspace never waits for a request, or runs out of resources, what if userspace just issues a request then spins on BUSY_IOCTL? Testcase: igt/gem_busy Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1468055535-19740-3-git-send-email-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> |
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