Messages in this thread Patch in this message | | | Date | Fri, 9 Aug 2019 15:03:47 -0700 | Subject | [PATCH v3] Revert "powerpc: slightly improve cache helpers" | From | Nick Desaulniers <> |
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This reverts commit 6c5875843b87c3adea2beade9d1b8b3d4523900a.
Work around Clang bug preventing ppc32 from booting.
Link: https://bugs.llvm.org/show_bug.cgi?id=42762 Link: https://github.com/ClangBuiltLinux/linux/issues/593 Debugged-by: Nathan Chancellor <natechancellor@gmail.com> Reported-by: Nathan Chancellor <natechancellor@gmail.com> Reported-by: kbuild test robot <lkp@intel.com> Suggested-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> --- Changes V2 -> V3: * Just revert, as per Christophe. Changes V1 -> V2: * Change to ouput paremeter.
arch/powerpc/include/asm/cache.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h index b3388d95f451..45e3137ccd71 100644 --- a/arch/powerpc/include/asm/cache.h +++ b/arch/powerpc/include/asm/cache.h @@ -107,22 +107,22 @@ extern void _set_L3CR(unsigned long); static inline void dcbz(void *addr) { - __asm__ __volatile__ ("dcbz %y0" : : "Z"(*(u8 *)addr) : "memory"); + __asm__ __volatile__ ("dcbz 0, %0" : : "r"(addr) : "memory"); } static inline void dcbi(void *addr) { - __asm__ __volatile__ ("dcbi %y0" : : "Z"(*(u8 *)addr) : "memory"); + __asm__ __volatile__ ("dcbi 0, %0" : : "r"(addr) : "memory"); } static inline void dcbf(void *addr) { - __asm__ __volatile__ ("dcbf %y0" : : "Z"(*(u8 *)addr) : "memory"); + __asm__ __volatile__ ("dcbf 0, %0" : : "r"(addr) : "memory"); } static inline void dcbst(void *addr) { - __asm__ __volatile__ ("dcbst %y0" : : "Z"(*(u8 *)addr) : "memory"); + __asm__ __volatile__ ("dcbst 0, %0" : : "r"(addr) : "memory"); } #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ -- 2.23.0.rc1.153.gdeed80330f-goog
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