[PATCH 1/3] powerpc/32s: Change mfsrin() into a static inline function
From: Christophe Leroy <hidden>
Date: 2021-02-06 11:48:17
Also in:
lkml
Subsystem:
kernel virtual machine for powerpc (kvm/powerpc), linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
mfsrin() is a macro. Change in into an inline function to avoid conflicts in KVM and make it more evolutive. Signed-off-by: Christophe Leroy <redacted> --- arch/powerpc/include/asm/reg.h | 11 ++++++++--- arch/powerpc/kvm/book3s_emulate.c | 4 ---- 2 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index d05dca30604d..f0fb03c9f289 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h@@ -1414,9 +1414,14 @@ static inline void msr_check_and_clear(unsigned long bits) } #ifdef CONFIG_PPC32 -#define mfsrin(v) ({unsigned int rval; \ - asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \ - rval;}) +static inline u32 mfsrin(u32 idx) +{ + u32 val; + + asm volatile("mfsrin %0, %1" : "=r" (val): "r" (idx)); + + return val; +} static inline void mtsrin(u32 val, u32 idx) {
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index b08cc15f31c7..fdb57be71aa6 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c@@ -61,10 +61,6 @@ #define SPRN_GQR6 918 #define SPRN_GQR7 919 -/* Book3S_32 defines mfsrin(v) - but that messes up our abstract - * function pointers, so let's just disable the define. */ -#undef mfsrin - enum priv_level { PRIV_PROBLEM = 0, PRIV_SUPER = 1,
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2.25.0