diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2020-05-21 16:56:02 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-05-28 23:24:36 +1000 |
| commit | 455531e9d88048c025ff9099796413df748d92b9 (patch) | |
| tree | 486ceb928473ac24f6f1363d9ea87f4244c9e74f /arch/powerpc/include/asm/cmpxchg.h | |
| parent | 59fb463b48e904dfdfff64c7dd4d67f20ae27170 (diff) | |
powerpc: Remove IBM405 Erratum #77
This erratum is dedicated to IBM 405GP and STB03xxx
which are now gone.
Remove this erratum.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/44dbc08e9034681eb28324cbabc086e97044c36c.1590079969.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm/cmpxchg.h')
| -rw-r--r-- | arch/powerpc/include/asm/cmpxchg.h | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/powerpc/include/asm/cmpxchg.h b/arch/powerpc/include/asm/cmpxchg.h index 27183871eb3b..cf091c4c22e5 100644 --- a/arch/powerpc/include/asm/cmpxchg.h +++ b/arch/powerpc/include/asm/cmpxchg.h @@ -6,7 +6,6 @@ #include <linux/compiler.h> #include <asm/synch.h> #include <linux/bug.h> -#include <asm/asm-405.h> #ifdef __BIG_ENDIAN #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE) @@ -29,7 +28,6 @@ static inline u32 __xchg_##type##sfx(volatile void *p, u32 val) \ "1: lwarx %0,0,%3\n" \ " andc %1,%0,%5\n" \ " or %1,%1,%4\n" \ - PPC405_ERR77(0,%3) \ " stwcx. %1,0,%3\n" \ " bne- 1b\n" \ : "=&r" (prev), "=&r" (tmp), "+m" (*(u32*)p) \ @@ -60,7 +58,6 @@ u32 __cmpxchg_##type##sfx(volatile void *p, u32 old, u32 new) \ " bne- 2f\n" \ " andc %1,%0,%6\n" \ " or %1,%1,%5\n" \ - PPC405_ERR77(0,%3) \ " stwcx. %1,0,%3\n" \ " bne- 1b\n" \ br2 \ @@ -92,7 +89,6 @@ __xchg_u32_local(volatile void *p, unsigned long val) __asm__ __volatile__( "1: lwarx %0,0,%2 \n" - PPC405_ERR77(0,%2) " stwcx. %3,0,%2 \n\ bne- 1b" : "=&r" (prev), "+m" (*(volatile unsigned int *)p) @@ -109,7 +105,6 @@ __xchg_u32_relaxed(u32 *p, unsigned long val) __asm__ __volatile__( "1: lwarx %0,0,%2\n" - PPC405_ERR77(0, %2) " stwcx. %3,0,%2\n" " bne- 1b" : "=&r" (prev), "+m" (*p) @@ -127,7 +122,6 @@ __xchg_u64_local(volatile void *p, unsigned long val) __asm__ __volatile__( "1: ldarx %0,0,%2 \n" - PPC405_ERR77(0,%2) " stdcx. %3,0,%2 \n\ bne- 1b" : "=&r" (prev), "+m" (*(volatile unsigned long *)p) @@ -144,7 +138,6 @@ __xchg_u64_relaxed(u64 *p, unsigned long val) __asm__ __volatile__( "1: ldarx %0,0,%2\n" - PPC405_ERR77(0, %2) " stdcx. %3,0,%2\n" " bne- 1b" : "=&r" (prev), "+m" (*p) @@ -229,7 +222,6 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new) "1: lwarx %0,0,%2 # __cmpxchg_u32\n\ cmpw 0,%0,%3\n\ bne- 2f\n" - PPC405_ERR77(0,%2) " stwcx. %4,0,%2\n\ bne- 1b" PPC_ATOMIC_EXIT_BARRIER @@ -252,7 +244,6 @@ __cmpxchg_u32_local(volatile unsigned int *p, unsigned long old, "1: lwarx %0,0,%2 # __cmpxchg_u32\n\ cmpw 0,%0,%3\n\ bne- 2f\n" - PPC405_ERR77(0,%2) " stwcx. %4,0,%2\n\ bne- 1b" "\n\ @@ -273,7 +264,6 @@ __cmpxchg_u32_relaxed(u32 *p, unsigned long old, unsigned long new) "1: lwarx %0,0,%2 # __cmpxchg_u32_relaxed\n" " cmpw 0,%0,%3\n" " bne- 2f\n" - PPC405_ERR77(0, %2) " stwcx. %4,0,%2\n" " bne- 1b\n" "2:" @@ -301,7 +291,6 @@ __cmpxchg_u32_acquire(u32 *p, unsigned long old, unsigned long new) "1: lwarx %0,0,%2 # __cmpxchg_u32_acquire\n" " cmpw 0,%0,%3\n" " bne- 2f\n" - PPC405_ERR77(0, %2) " stwcx. %4,0,%2\n" " bne- 1b\n" PPC_ACQUIRE_BARRIER |