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powerpc/64s/exception: Fix performance monitor virt handler

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The perf virt handler uses EXCEPTION_PROLOG_2_REAL rather than _VIRT.
In practice this is okay because the _REAL variant is usable by virt
mode interrupts, but should be fixed (and is a performance win).

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190802105709.27696-21-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin 2019-08-02 20:56:45 +10:00 committed by Michael Ellerman
parent def0db4f9d
commit 9a7a0773d7
1 changed files with 1 additions and 1 deletions
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arch/powerpc/kernel/exceptions-64s.S
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@ -750,7 +750,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#define __TRAMP_VIRT_OOL_MASKABLE(name, realvec, bitmask) \
TRAMP_VIRT_BEGIN(tramp_virt_##name); \
EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, realvec, 0, 0, bitmask ; \
EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1
EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD
#define EXC_VIRT_OOL_MASKABLE(name, start, size, realvec, bitmask) \
__EXC_VIRT_OOL_MASKABLE(name, start, size); \