diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2016-10-26 13:13:25 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2016-10-26 13:13:24 -0700 |
| commit | bcd8ec9210c9048c14d934e16267ba79a894db09 (patch) | |
| tree | 7e3f49424f21431eab08f679ea6213d6dfa32d1c /arch/arm64/include/asm/processor.h | |
| parent | b12304a53614f77f37dd87b470ae76084e768966 (diff) | |
| parent | 617229a3e9400c58b578077ff6f81d2f25a1f5ff (diff) | |
Merge "Merge remote-tracking branch 'msm-4.4/tmp-510d0a3f' into msm-4.4"
Diffstat (limited to 'arch/arm64/include/asm/processor.h')
| -rw-r--r-- | arch/arm64/include/asm/processor.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index c8c7c4d38171..c97d01eb219f 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -29,8 +29,10 @@ #include <linux/string.h> +#include <asm/alternative.h> #include <asm/fpsimd.h> #include <asm/hw_breakpoint.h> +#include <asm/lse.h> #include <asm/pgtable-hwdef.h> #include <asm/ptrace.h> #include <asm/types.h> @@ -180,9 +182,11 @@ static inline void prefetchw(const void *ptr) } #define ARCH_HAS_SPINLOCK_PREFETCH -static inline void spin_lock_prefetch(const void *x) +static inline void spin_lock_prefetch(const void *ptr) { - prefetchw(x); + asm volatile(ARM64_LSE_ATOMIC_INSN( + "prfm pstl1strm, %a0", + "nop") : : "p" (ptr)); } #define HAVE_ARCH_PICK_MMAP_LAYOUT @@ -190,5 +194,6 @@ static inline void spin_lock_prefetch(const void *x) #endif void cpu_enable_pan(void *__unused); +void cpu_enable_uao(void *__unused); #endif /* __ASM_PROCESSOR_H */ |