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| author | Ingo Molnar <mingo@kernel.org> | 2015-08-03 11:04:00 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-08-03 11:04:00 +0200 |
| commit | f320ead76a87a9c533f681ecce3bf3241d07c47d (patch) | |
| tree | 76ae437119088b180737670cb99a307e163a1ca0 /arch/x86/kernel/tsc.c | |
| parent | 76695af20c015206cffb84b15912be6797d0cca2 (diff) | |
| parent | decd275e62d5eef4b947fab89652fa6afdadf2f2 (diff) | |
| download | linux-f320ead76a87a9c533f681ecce3bf3241d07c47d.tar.bz2 | |
Merge branch 'x86/asm' into locking/core
Upcoming changes to static keys is interacting/conflicting with the following
pending TSC commits in tip:x86/asm:
4ea1636b04db x86/asm/tsc: Rename native_read_tsc() to rdtsc()
...
So merge it into the locking tree to have a smoother resolution.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/tsc.c')
| -rw-r--r-- | arch/x86/kernel/tsc.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 7437b41f6a47..1bb8bab1b3cb 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -248,7 +248,7 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu) data = cyc2ns_write_begin(cpu); - rdtscll(tsc_now); + tsc_now = rdtsc(); ns_now = cycles_2_ns(tsc_now); /* @@ -290,7 +290,7 @@ u64 native_sched_clock(void) } /* read the Time Stamp Counter: */ - rdtscll(tsc_now); + tsc_now = rdtsc(); /* return the value in ns */ return cycles_2_ns(tsc_now); @@ -308,12 +308,6 @@ unsigned long long sched_clock(void) __attribute__((alias("native_sched_clock"))); #endif -unsigned long long native_read_tsc(void) -{ - return __native_read_tsc(); -} -EXPORT_SYMBOL(native_read_tsc); - int check_tsc_unstable(void) { return tsc_unstable; @@ -976,7 +970,7 @@ static struct clocksource clocksource_tsc; */ static cycle_t read_tsc(struct clocksource *cs) { - return (cycle_t)get_cycles(); + return (cycle_t)rdtsc_ordered(); } /* |