PPC: Only enter MSR_POW when no interrupts pending
commit05edc26c61d416831822b3186df099e8e21745b9
authorAlexander Graf <agraf@suse.de>
Sun, 6 Apr 2014 20:40:47 +0000 (6 22:40 +0200)
committerAlexander Graf <agraf@suse.de>
Tue, 8 Apr 2014 09:20:05 +0000 (8 11:20 +0200)
tree66fee70d6eb98b924012e14d6845739054f75414
parente81a982aa5398269a2cc344091ffa4930bdd242f
PPC: Only enter MSR_POW when no interrupts pending

We were entering the power saving state even when interrupts (like an
external interrupt or a decrementer interrupt) were still in flight.

In case we find a pending interrupt, don't enter power saving state.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Tom Musta <tmusta@gmail.com>
target-ppc/helper_regs.h