[PATCH 03/13] kvm/powerpc: Fix the build for 32-bit Book 3S (classic) processors

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Commits a5d4f3ad3a ("powerpc: Base support for exceptions using
HSRR0/1") and 673b189a2e ("powerpc: Always use SPRN_SPRG_HSCRATCH0
when running in HV mode") cause compile and link errors for 32-bit
classic Book 3S processors when KVM is enabled.  This fixes these
errors.

Signed-off-by: Paul Mackerras <paulus@xxxxxxxxx>
---
 arch/powerpc/include/asm/reg.h       |    5 +++++
 arch/powerpc/kvm/book3s_rmhandlers.S |    2 ++
 2 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 47e3416..05658b7 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -823,6 +823,11 @@
 	FTR_SECTION_ELSE_NESTED(66);			\
 	mtspr	SPRN_SPRG_HSCRATCH0,rX;			\
 	ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE_206, 66)
+
+#else /* CONFIG_PPC_BOOK3S_64 */
+#define GET_SCRATCH0(rX)	mfspr	rX,SPRN_SPRG_SCRATCH0
+#define SET_SCRATCH0(rX)	mtspr	SPRN_SPRG_SCRATCH0,rX
+
 #endif
 
 #ifdef CONFIG_PPC_BOOK3E_64
diff --git a/arch/powerpc/kvm/book3s_rmhandlers.S b/arch/powerpc/kvm/book3s_rmhandlers.S
index ae99af6..1a1b344 100644
--- a/arch/powerpc/kvm/book3s_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_rmhandlers.S
@@ -112,7 +112,9 @@ INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_MACHINE_CHECK
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_DATA_STORAGE
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_INST_STORAGE
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_EXTERNAL
+#ifdef CONFIG_PPC_BOOK3S_64
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_EXTERNAL_HV
+#endif
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_ALIGNMENT
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_PROGRAM
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_FP_UNAVAIL
-- 
1.7.4.4

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