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| author |   Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-02-06 11:47:26 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2021-02-09 01:10:15 +1100 |
| commit | fd659e8f2c6d1e1e96fd5bdb515518801cd02012 (patch) | |
| tree | 409286e0746647456ad86677f3eaee1176b81230 | |
| parent | powerpc/uaccess: Perform barrier_nospec() in KUAP allowance helpers (diff) | |
| download | linux-dev-fd659e8f2c6d1e1e96fd5bdb515518801cd02012.tar.xz linux-dev-fd659e8f2c6d1e1e96fd5bdb515518801cd02012.zip | |
powerpc/32s: Change mfsrin() into a static inline function
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 <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/72c7b9879e2e2e6f5c27dadda6486386c2b50f23.1612612022.git.christophe.leroy@csgroup.eu
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 11 | ||||
| -rw-r--r-- | 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 e40a921d78f9..c006f33f68ad 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1413,9 +1413,14 @@ 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, |