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x86/vdso: Collapse coarse functions

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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
This commit is contained in:
Thomas Gleixner 2018-09-17 14:45:40 +02:00
parent e9a62f76f9
commit 6deec5bdef
1 changed files with 4 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
arch/x86/entry/vdso/vclock_gettime.c
View file

@ -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;