summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2018-09-17 14:45:40 +0200
committerThomas Gleixner <tglx@linutronix.de>2018-10-04 23:00:26 +0200
commit6deec5bdef4518bd6524a47be9d621ff650d3ba4 (patch)
treedea59079980aee17531ee86a84de00b051c13e2b
parente9a62f76f93c6f28b6c7e908eb12e5f1313870a2 (diff)
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.c20
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 = &gtod->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 = &gtod->basetime[CLOCK_MONOTONIC_COARSE];
+ struct vgtod_ts *base = &gtod->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;