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powerpc fixes for 5.3 #4

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Just one fix, a revert of a commit that was meant to be a minor improvement to
 some inline asm, but ended up having no real benefit with GCC and broke booting
 32-bit machines when using Clang.
 
 Thanks to:
   Arnd Bergmann, Christophe Leroy, Nathan Chancellor, Nick Desaulniers, Segher
   Boessenkool.
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Merge tag 'powerpc-5.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fix from Michael Ellerman:
 "Just one fix, a revert of a commit that was meant to be a minor
  improvement to some inline asm, but ended up having no real benefit
  with GCC and broke booting 32-bit machines when using Clang.

  Thanks to: Arnd Bergmann, Christophe Leroy, Nathan Chancellor, Nick
  Desaulniers, Segher Boessenkool"

* tag 'powerpc-5.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  Revert "powerpc: slightly improve cache helpers"
This commit is contained in:
Linus Torvalds 2019-08-10 10:17:19 -07:00
commit 23df57afe8
1 changed files with 4 additions and 4 deletions
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8
arch/powerpc/include/asm/cache.h
View File

@ -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__ */