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| author | Nicholas Piggin <npiggin@gmail.com> | 2017-06-13 16:05:57 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-06-19 12:46:30 +0300 |
| commit | 40d24343a8926b6998a13d04aa54e04961d1f5ed (patch) | |
| tree | eb9a20de3bdc69ee0817cae1f8cd3e7c770e3806 /net/sched/em_canid.c | |
| parent | 95acdc07124f329ef3088a9bc68af905804b2e6b (diff) | |
| download | linux-40d24343a8926b6998a13d04aa54e04961d1f5ed.tar.xz | |
powerpc/64s/idle: Run latch switch is done with MSR[EE]=0
In the idle sleep/wake code we know that MSR[EE] is clear, so we can
avoid 2 x mfmsr and 2 x mtmsr by calling the double-underscore
versions of the run latch routines which assume interrupts are already
disabled.
Acked-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'net/sched/em_canid.c')
0 files changed, 0 insertions, 0 deletions