Message ID | 20170611235835.7400-10-npiggin@gmail.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
On Mon, Jun 12, 2017 at 09:58:30AM +1000, Nicholas Piggin wrote: > In a busy system, idle wakeups can be expected from IPIs and device > interrupts. > > Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com> > --- > arch/powerpc/kernel/idle_book3s.S | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/powerpc/kernel/idle_book3s.S b/arch/powerpc/kernel/idle_book3s.S > index 6305d4d7a268..32b76fb28352 100644 > --- a/arch/powerpc/kernel/idle_book3s.S > +++ b/arch/powerpc/kernel/idle_book3s.S > @@ -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); \ > -- > 2.11.0 >
diff --git a/arch/powerpc/kernel/idle_book3s.S b/arch/powerpc/kernel/idle_book3s.S index 6305d4d7a268..32b76fb28352 100644 --- a/arch/powerpc/kernel/idle_book3s.S +++ b/arch/powerpc/kernel/idle_book3s.S @@ -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); \
In a busy system, idle wakeups can be expected from IPIs and device interrupts. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/powerpc/kernel/idle_book3s.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)