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powerpc/64s: Merge HV and non-HV paths for doorbell IRQ replay

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This results in smaller code, and fewer branches. This relies on the
fact that both the 0xe80 and 0xa00 handlers call the same upper level
code, namely doorbell_exception().

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Mention we rely on the implementation of the 0xe80/0xa00 handlers]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin
2017-08-12 02:39:03 +10:00
committed by Michael Ellerman
parent 6f881eaeb5
commit d6f73fc69b
3 changed files with 2 additions and 8 deletions
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2
arch/powerpc/kernel/exceptions-64s.S
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@@ -1676,7 +1676,7 @@ _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