36a501a199
Instead of synchronously cancelling the timer and re-enabling it inside the reset callbacks, keep the timer enabled and let it die on its next wakeup if no longer required. This allows intel_engine_reset_breadcrumbs() to be used from an atomic (timer/softirq) context such as required for resetting an engine. It also allows us to react better to the user poking around debugfs for testing missed irqs. v2: Tighten the order of del_timer_sync as the fake_irq timer may trigger the hangcheck timer, and so we should cancel it first and then cancel the hangcheck (Mika) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180424142945.6787-1-chris@chris-wilson.co.uk |
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