[PATCH 05/13] powerpc/64s: irq replay merge HV and non-HV paths for doorbell replay
Nicholas Piggin
npiggin at gmail.com
Sun Aug 6 03:02:33 AEST 2017
This results in smaller code, and fewer branches.
Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
arch/powerpc/kernel/entry_64.S | 6 +-----
arch/powerpc/kernel/exceptions-64s.S | 2 +-
arch/powerpc/kernel/irq.c | 2 --
3 files changed, 2 insertions(+), 8 deletions(-)
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 49d8422767b4..ec67f67dafab 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -990,11 +990,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR)
#ifdef CONFIG_PPC_BOOK3E
cmpwi cr0,r3,0x280
#else
- BEGIN_FTR_SECTION
- cmpwi cr0,r3,0xe80
- FTR_SECTION_ELSE
- cmpwi cr0,r3,0xa00
- ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE)
+ cmpwi cr0,r3,0xa00
#endif /* CONFIG_PPC_BOOK3E */
bne 1f
addi r3,r1,STACK_FRAME_OVERHEAD;
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 67321be3122c..f9d0796fb2c9 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1674,7 +1674,7 @@ _GLOBAL(__replay_interrupt)
cmpwi r3,0x500
beq hardware_interrupt_common
BEGIN_FTR_SECTION
- cmpwi r3,0xe80
+ cmpwi r3,0xa00
beq h_doorbell_common_msgclr
cmpwi r3,0xea0
beq h_virt_irq_common
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 7c46e0cce054..60ee6d7251b8 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -207,8 +207,6 @@ notrace unsigned int __check_irq_replay(void)
#else
if (happened & PACA_IRQ_DBELL) {
local_paca->irq_happened &= ~PACA_IRQ_DBELL;
- if (cpu_has_feature(CPU_FTR_HVMODE))
- return 0xe80;
return 0xa00;
}
#endif /* CONFIG_PPC_BOOK3E */
--
2.11.0
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