mirror of https://gitee.com/openkylin/linux.git
a203658b5e
On some environments (prototype machines, some simulators, etc...) there is no functional interrupt source to signal completion, so we rely on the fairly slow OPAL heartbeat. In a number of cases, the calls complete very quickly or even immediately. We've observed that it helps a lot to wakeup the OPAL heartbeat thread before waiting for event in those cases, it will call OPAL immediately to collect completions for anything that finished fast enough. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-By: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
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