提交 95acdc07 编写于 作者: N Nicholas Piggin 提交者: Michael Ellerman

powerpc/64s/idle: Predict HMI wakeup as unlikely

In a busy system, idle wakeups can be expected from IPIs and device
interrupts.
Reviewed-by: NGautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: NNicholas Piggin <npiggin@gmail.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
上级 9d292501
......@@ -306,7 +306,7 @@ FTR_SECTION_ELSE_NESTED(66); \
rlwinm r0,r12,45-31,0xe; /* P7 wake reason field is 3 bits */ \
ALT_FTR_SECTION_END_NESTED_IFSET(CPU_FTR_ARCH_207S, 66); \
cmpwi r0,0xa; /* Hypervisor maintenance ? */ \
bne 20f; \
bne+ 20f; \
/* Invoke opal call to handle hmi */ \
ld r2,PACATOC(r13); \
ld r1,PACAR1(r13); \
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册