Re: [PATCH] POWER9 PMU interrupt after idle workaround

Hi Nick, > POWER9 DD2 can see spurious PMU interrupts after state-loss idle in > some conditions. > > A solution is to save and reload MMCR0 over state-loss idle. Thanks, looks good. Tested-by: Anton Blanchard Anton > Signed-off-by: Nicholas Piggin > ---

Re: [PATCH] POWER9 PMU interrupt after idle workaround

On Monday 10 July 2017 11:49 AM, Nicholas Piggin wrote: POWER9 DD2 can see spurious PMU interrupts after state-loss idle in some conditions. A solution is to save and reload MMCR0 over state-loss idle. Acked-by: Madhavan Srinivasan Signed-off-by: Nicholas Piggin

[PATCH] POWER9 PMU interrupt after idle workaround

POWER9 DD2 can see spurious PMU interrupts after state-loss idle in some conditions. A solution is to save and reload MMCR0 over state-loss idle. Signed-off-by: Nicholas Piggin --- arch/powerpc/kernel/idle_book3s.S | 15 ++- 1 file changed, 14 insertions(+), 1