Currently soft_enabled is used as the flag to determine
the interrupt state. Patch extends the soft_enabled
to be used as a mask instead of a flag.
Signed-off-by: Madhavan Srinivasan <ma...@linux.vnet.ibm.com>
---
arch/powerpc/include/asm/exception-64s.h | 4 ++--
arch/powerpc/include/asm/hw_irq.h | 1 +
arch/powerpc/include/asm/irqflags.h | 4 ++--
arch/powerpc/kernel/entry_64.S | 4 ++--
arch/powerpc/kernel/exceptions-64e.S | 6 +++---
5 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/exception-64s.h
b/arch/powerpc/include/asm/exception-64s.h
index dd3253bd0d8e..1eea4ab75607 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -430,9 +430,9 @@ label##_relon_hv:
\
#define __SOFTEN_TEST(h, vec) \
lbz r10,PACASOFTIRQEN(r13); \
- cmpwi r10,IRQ_DISABLE_MASK_LINUX;
\
+ andi. r10,r10,IRQ_DISABLE_MASK_LINUX; \
li r10,SOFTEN_VALUE_##vec; \
- beq masked_##h##interrupt
+ bne masked_##h##interrupt
#define _SOFTEN_TEST(h, vec) __SOFTEN_TEST(h, vec)
#define SOFTEN_TEST_PR(vec) \
diff --git a/arch/powerpc/include/asm/hw_irq.h
b/arch/powerpc/include/asm/hw_irq.h
index c19169ac1fbb..e457438c6fdf 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -32,6 +32,7 @@
*/
#define IRQ_DISABLE_MASK_NONE 0
#define IRQ_DISABLE_MASK_LINUX 1
+#define IRQ_DISABLE_MASK_PMU 2
#endif /* CONFIG_PPC64 */
diff --git a/arch/powerpc/include/asm/irqflags.h
b/arch/powerpc/include/asm/irqflags.h
index d0ed2a7d7d10..9ff09747a226 100644
--- a/arch/powerpc/include/asm/irqflags.h
+++ b/arch/powerpc/include/asm/irqflags.h
@@ -48,11 +48,11 @@
#define RECONCILE_IRQ_STATE(__rA, __rB) \
lbz __rA,PACASOFTIRQEN(r13); \
lbz __rB,PACAIRQHAPPENED(r13); \
- cmpwi cr0,__rA,IRQ_DISABLE_MASK_LINUX;\
+ andi. __rA,__rA,IRQ_DISABLE_MASK_LINUX;\
li __rA,IRQ_DISABLE_MASK_LINUX; \
ori __rB,__rB,PACA_IRQ_HARD_DIS; \
stb __rB,PACAIRQHAPPENED(r13); \
- beq 44f; \
+ bne 44f; \
stb __rA,PACASOFTIRQEN(r13); \
TRACE_DISABLE_INTS; \
44:
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index b50d79e5bfbc..99bab5c65734 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -764,8 +764,8 @@ restore:
*/
ld r5,SOFTE(r1)
lbz r6,PACASOFTIRQEN(r13)
- cmpwi cr0,r5,IRQ_DISABLE_MASK_LINUX
- beq restore_irq_off
+ andi. r5,r5,IRQ_DISABLE_MASK_LINUX
+ bne restore_irq_off
/* We are enabling, were we already enabled ? Yes, just return */
cmpwi cr0,r6,IRQ_DISABLE_MASK_NONE
diff --git a/arch/powerpc/kernel/exceptions-64e.S
b/arch/powerpc/kernel/exceptions-64e.S
index 5c628b5696f6..8e40df2c2f30 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -212,8 +212,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV)
/* Interrupts had better not already be enabled... */
twnei r6,IRQ_DISABLE_MASK_LINUX
- cmpwi cr0,r5,IRQ_DISABLE_MASK_LINUX
- beq 1f
+ andi. r5,r5,IRQ_DISABLE_MASK_LINUX
+ bne 1f
TRACE_ENABLE_INTS
stb r5,PACASOFTIRQEN(r13)
@@ -352,7 +352,7 @@ ret_from_mc_except:
#define PROLOG_ADDITION_MASKABLE_GEN(n)
\
lbz r10,PACASOFTIRQEN(r13); /* are irqs soft-disabled ? */ \
- cmpwi cr0,r10,IRQ_DISABLE_MASK_LINUX;/* yes -> go out of line */ \
+ andi. r10,r10,IRQ_DISABLE_MASK_LINUX;/* yes -> go out of line */ \
beq masked_interrupt_book3e_##n
#define PROLOG_ADDITION_2REGS_GEN(n) \
--
2.7.4
