[PATCH 10/14] powerpc/64s/exception: machine check move tramp code

Nicholas Piggin npiggin at gmail.com
Wed Jul 3 17:54:40 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



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