| Message ID | df66f6ea0919350a5d1b583717b877ffe62fde5c.1543517818.git.christophe.leroy@c-s.fr (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | powerpc/32s: Use BATs for STRICT_KERNEL_RWX | expand |
| Context | Check | Description |
|---|---|---|
| snowpatch_ozlabs/apply_patch | success | next/apply_patch Successfully applied |
| snowpatch_ozlabs/checkpatch | warning | total: 0 errors, 1 warnings, 0 checks, 11 lines checked |
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index de52c3166ba4..c9c382e57017 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1423,6 +1423,11 @@ static inline void msr_check_and_clear(unsigned long bits) #define mfsrin(v) ({unsigned int rval; \ asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \ rval;}) + +static inline void mtsrin(u32 val, u32 idx) +{ + asm volatile("mtsrin %0, %1" : : "r" (val), "r" (idx)); +} #endif #define proc_trap() asm volatile("trap")
This patch add an helper which wraps 'mtsrin' instruction to write into segment registers. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> --- arch/powerpc/include/asm/reg.h | 5 +++++ 1 file changed, 5 insertions(+)