[PATCH v2 12/16] powerpc/64s/exception: machine check move tramp code
Nicholas Piggin
npiggin at gmail.com
Thu Jul 11 01:19:46 AEST 2019
Following convention, move the tramp code (unrelocated) above the
common handlers (relocated).
Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
arch/powerpc/kernel/exceptions-64s.S | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 3cc5ee6e4b56..9bb8c89e9e77 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -945,6 +945,17 @@ EXC_REAL_BEGIN(machine_check, 0x200, 0x100)
EXC_REAL_END(machine_check, 0x200, 0x100)
EXC_VIRT_NONE(0x4200, 0x100)
+#ifdef CONFIG_PPC_PSERIES
+TRAMP_REAL_BEGIN(machine_check_fwnmi)
+ /* See comment at machine_check exception, don't turn on RI */
+ EXCEPTION_PROLOG_0 PACA_EXMC
+ EXCEPTION_PROLOG_1 EXC_STD, PACA_EXMC, 0, 0x200, 1, 1, 0
+ mfctr r10 /* save ctr */
+ BRANCH_TO_C000(r11, machine_check_early_common)
+#endif
+
+TRAMP_KVM_SKIP(PACA_EXMC, 0x200)
+
EXC_COMMON_BEGIN(machine_check_early_common)
mtctr r10 /* Restore ctr */
mfspr r11,SPRN_SRR0
@@ -1018,17 +1029,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
b 1b
b . /* prevent speculative execution */
-#ifdef CONFIG_PPC_PSERIES
-TRAMP_REAL_BEGIN(machine_check_fwnmi)
- /* See comment at machine_check exception, don't turn on RI */
- EXCEPTION_PROLOG_0 PACA_EXMC
- EXCEPTION_PROLOG_1 EXC_STD, PACA_EXMC, 0, 0x200, 1, 1, 0
- mfctr r10 /* save ctr */
- BRANCH_TO_C000(r11, machine_check_early_common)
-#endif
-
-TRAMP_KVM_SKIP(PACA_EXMC, 0x200)
-
EXC_COMMON_BEGIN(machine_check_common)
/*
* Machine check is different because we use a different
--
2.20.1
More information about the Linuxppc-dev
mailing list