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| author | Thomas Gleixner <tglx@linutronix.de> | 2018-09-17 14:45:40 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-10-04 23:00:26 +0200 |
| commit | 6deec5bdef4518bd6524a47be9d621ff650d3ba4 (patch) | |
| tree | dea59079980aee17531ee86a84de00b051c13e2b | |
| parent | e9a62f76f93c6f28b6c7e908eb12e5f1313870a2 (diff) | |
| download | lwn-6deec5bdef4518bd6524a47be9d621ff650d3ba4.tar.gz lwn-6deec5bdef4518bd6524a47be9d621ff650d3ba4.zip | |
x86/vdso: Collapse coarse functions
do_realtime_coarse() and do_monotonic_coarse() are now the same except for
the storage array index. Hand the index in as an argument and collapse the
functions.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Matt Rickard <matt@softrans.com.au>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: devel@linuxdriverproject.org
Cc: virtualization@lists.linux-foundation.org
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Juergen Gross <jgross@suse.com>
Link: https://lkml.kernel.org/r/20180917130707.490733779@linutronix.de
| -rw-r--r-- | arch/x86/entry/vdso/vclock_gettime.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/arch/x86/entry/vdso/vclock_gettime.c b/arch/x86/entry/vdso/vclock_gettime.c index 1351b76638fb..b27dea0e23af 100644 --- a/arch/x86/entry/vdso/vclock_gettime.c +++ b/arch/x86/entry/vdso/vclock_gettime.c @@ -227,21 +227,9 @@ notrace static int do_hres(clockid_t clk, struct timespec *ts) return mode; } -notrace static void do_realtime_coarse(struct timespec *ts) +notrace static void do_coarse(clockid_t clk, struct timespec *ts) { - struct vgtod_ts *base = >od->basetime[CLOCK_REALTIME_COARSE]; - unsigned int seq; - - do { - seq = gtod_read_begin(gtod); - ts->tv_sec = base->sec; - ts->tv_nsec = base->nsec; - } while (unlikely(gtod_read_retry(gtod, seq))); -} - -notrace static void do_monotonic_coarse(struct timespec *ts) -{ - struct vgtod_ts *base = >od->basetime[CLOCK_MONOTONIC_COARSE]; + struct vgtod_ts *base = >od->basetime[clk]; unsigned int seq; do { @@ -263,10 +251,10 @@ notrace int __vdso_clock_gettime(clockid_t clock, struct timespec *ts) goto fallback; break; case CLOCK_REALTIME_COARSE: - do_realtime_coarse(ts); + do_coarse(CLOCK_REALTIME_COARSE, ts); break; case CLOCK_MONOTONIC_COARSE: - do_monotonic_coarse(ts); + do_coarse(CLOCK_MONOTONIC_COARSE, ts); break; default: goto fallback; |