Messages in this thread Patch in this message | | | From | Chris Metcalf <> | Subject | [PATCH] arch/tile: Implement ->set_state_oneshot_stopped() | Date | Fri, 3 Nov 2017 13:35:48 -0400 |
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set_state_oneshot_stopped() is called by the clkevt core, when the next event is required at an expiry time of 'KTIME_MAX'. This normally happens with NO_HZ_{IDLE|FULL} in both LOWRES/HIGHRES modes.
This patch makes the clockevent device to stop on such an event, to avoid spurious interrupts, as explained by: commit 8fff52fd5093 ("clockevents: Introduce CLOCK_EVT_STATE_ONESHOT_STOPPED state").
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com> --- arch/tile/kernel/time.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/tile/kernel/time.c b/arch/tile/kernel/time.c index 6643ffbc0615..f95d65f3162b 100644 --- a/arch/tile/kernel/time.c +++ b/arch/tile/kernel/time.c @@ -162,6 +162,7 @@ static DEFINE_PER_CPU(struct clock_event_device, tile_timer) = { .set_next_event = tile_timer_set_next_event, .set_state_shutdown = tile_timer_shutdown, .set_state_oneshot = tile_timer_shutdown, + .set_state_oneshot_stopped = tile_timer_shutdown, .tick_resume = tile_timer_shutdown, }; -- 2.1.2
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