Re: POWER9 PMU interrupt after idle workaround
From: Michael Ellerman <hidden>
Date: 2017-07-21 11:13:04
On Mon, 2017-07-10 at 06:19:38 UTC, 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. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Acked-by: Madhavan Srinivasan <redacted>
Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/101dd590a7fa37954540cf3149a1c5 cheers