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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-08-14 08:56:26 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-09-02 04:00:21 +0300 |
| commit | de39b19452e784de5f90ae899851ab29a29bb42c (patch) | |
| tree | 6dd5a6af69cffbad1d70daf5d0fafbda383068ed /arch/powerpc/include/asm/cacheflush.h | |
| parent | f663f3312051402d32952c44d156a20c0b854753 (diff) | |
| download | linux-de39b19452e784de5f90ae899851ab29a29bb42c.tar.xz | |
powerpc: Rewrite 4xx flush_cache_instruction() in C
Nothing prevents flush_cache_instruction() from being writen in C.
Do it to improve readability and maintainability.
This function is very small and isn't called from assembly,
make it static inline in asm/cacheflush.h
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/93d93fc69b4b3ad3ceba2fc0756333c0c0245bb7.1597384512.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm/cacheflush.h')
| -rw-r--r-- | arch/powerpc/include/asm/cacheflush.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h index 481877879fec..138e46d8c04e 100644 --- a/arch/powerpc/include/asm/cacheflush.h +++ b/arch/powerpc/include/asm/cacheflush.h @@ -98,7 +98,15 @@ static inline void invalidate_dcache_range(unsigned long start, mb(); /* sync */ } +#ifdef CONFIG_4xx +static inline void flush_instruction_cache(void) +{ + iccci((void *)KERNELBASE); + isync(); +} +#else void flush_instruction_cache(void); +#endif #include <asm-generic/cacheflush.h> |