diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/vdso/vclock_gettime.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/arch/sparc/vdso/vclock_gettime.c b/arch/sparc/vdso/vclock_gettime.c index a0c8a4b008d5..75c49fcb57aa 100644 --- a/arch/sparc/vdso/vclock_gettime.c +++ b/arch/sparc/vdso/vclock_gettime.c @@ -60,24 +60,22 @@ * Compute the vvar page's address in the process address space, and return it * as a pointer to the vvar_data. */ -static notrace noinline struct vvar_data * -get_vvar_data(void) +notrace static __always_inline struct vvar_data *get_vvar_data(void) { unsigned long ret; /* - * vdso data page is the first vDSO page so grab the return address + * vdso data page is the first vDSO page so grab the PC * and move up a page to get to the data page. */ - ret = (unsigned long)__builtin_return_address(0); + __asm__("rd %%pc, %0" : "=r" (ret)); ret &= ~(8192 - 1); ret -= 8192; return (struct vvar_data *) ret; } -static notrace long -vdso_fallback_gettime(long clock, struct timespec *ts) +notrace static long vdso_fallback_gettime(long clock, struct timespec *ts) { register long num __asm__("g1") = __NR_clock_gettime; register long o0 __asm__("o0") = clock; @@ -88,8 +86,7 @@ vdso_fallback_gettime(long clock, struct timespec *ts) return o0; } -static notrace __always_inline long -vdso_fallback_gettimeofday(struct timeval *tv, struct timezone *tz) +notrace static long vdso_fallback_gettimeofday(struct timeval *tv, struct timezone *tz) { register long num __asm__("g1") = __NR_gettimeofday; register long o0 __asm__("o0") = (long) tv; @@ -101,8 +98,8 @@ vdso_fallback_gettimeofday(struct timeval *tv, struct timezone *tz) } #ifdef CONFIG_SPARC64 -static notrace noinline u64 -vread_tick(void) { +notrace static __always_inline u64 vread_tick(void) +{ u64 ret; __asm__ __volatile__("1:\n\t" @@ -118,8 +115,7 @@ vread_tick(void) { return ret & ~TICK_PRIV_BIT; } #else -static notrace noinline u64 -vread_tick(void) +notrace static __always_inline u64 vread_tick(void) { register unsigned long long ret asm("o4"); @@ -138,8 +134,7 @@ vread_tick(void) } #endif -static notrace inline u64 -vgetsns(struct vvar_data *vvar) +notrace static __always_inline u64 vgetsns(struct vvar_data *vvar) { u64 v; u64 cycles; @@ -149,8 +144,8 @@ vgetsns(struct vvar_data *vvar) return v * vvar->clock.mult; } -static notrace noinline int -do_realtime(struct vvar_data *vvar, struct timespec *ts) +notrace static __always_inline int do_realtime(struct vvar_data *vvar, + struct timespec *ts) { unsigned long seq; u64 ns; @@ -169,8 +164,8 @@ do_realtime(struct vvar_data *vvar, struct timespec *ts) return 0; } -static notrace noinline int -do_monotonic(struct vvar_data *vvar, struct timespec *ts) +notrace static __always_inline int do_monotonic(struct vvar_data *vvar, + struct timespec *ts) { unsigned long seq; u64 ns; @@ -189,8 +184,8 @@ do_monotonic(struct vvar_data *vvar, struct timespec *ts) return 0; } -static notrace noinline int -do_realtime_coarse(struct vvar_data *vvar, struct timespec *ts) +notrace static int do_realtime_coarse(struct vvar_data *vvar, + struct timespec *ts) { unsigned long seq; @@ -202,8 +197,8 @@ do_realtime_coarse(struct vvar_data *vvar, struct timespec *ts) return 0; } -static notrace noinline int -do_monotonic_coarse(struct vvar_data *vvar, struct timespec *ts) +notrace static int do_monotonic_coarse(struct vvar_data *vvar, + struct timespec *ts) { unsigned long seq; |