From 4a0e637738f06673725792d74eed67f8779b62c7 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 16 Jul 2014 21:05:13 +0000 Subject: clocksource: Get rid of cycle_last cycle_last was added to the clocksource to support the TSC validation. We moved that to the core code, so we can get rid of the extra copy. Signed-off-by: Thomas Gleixner Signed-off-by: John Stultz --- arch/arm64/kernel/vdso.c | 2 +- arch/ia64/kernel/time.c | 4 ++-- arch/powerpc/kernel/time.c | 4 ++-- arch/s390/kernel/time.c | 2 +- arch/tile/kernel/time.c | 2 +- arch/x86/kernel/vsyscall_gtod.c | 2 +- arch/x86/kvm/x86.c | 2 +- 7 files changed, 9 insertions(+), 9 deletions(-) (limited to 'arch') diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index 50384fec56c4..574672f001f7 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -224,7 +224,7 @@ void update_vsyscall(struct timekeeper *tk) vdso_data->wtm_clock_nsec = tk->wall_to_monotonic.tv_nsec; if (!use_syscall) { - vdso_data->cs_cycle_last = tk->clock->cycle_last; + vdso_data->cs_cycle_last = tk->cycle_last; vdso_data->xtime_clock_sec = tk->xtime_sec; vdso_data->xtime_clock_nsec = tk->xtime_nsec; vdso_data->cs_mult = tk->mult; diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 71c52bc7c28d..11dc42da7daf 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -441,7 +441,7 @@ void update_vsyscall_tz(void) } void update_vsyscall_old(struct timespec *wall, struct timespec *wtm, - struct clocksource *c, u32 mult) + struct clocksource *c, u32 mult, cycles_t cycle_last) { write_seqcount_begin(&fsyscall_gtod_data.seq); @@ -450,7 +450,7 @@ void update_vsyscall_old(struct timespec *wall, struct timespec *wtm, fsyscall_gtod_data.clk_mult = mult; fsyscall_gtod_data.clk_shift = c->shift; fsyscall_gtod_data.clk_fsys_mmio = c->archdata.fsys_mmio; - fsyscall_gtod_data.clk_cycle_last = c->cycle_last; + fsyscall_gtod_data.clk_cycle_last = cycle_last; /* copy kernel time structures */ fsyscall_gtod_data.wall_time.tv_sec = wall->tv_sec; diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 9fff9cdcc519..368ab374d33c 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -741,7 +741,7 @@ static cycle_t timebase_read(struct clocksource *cs) } void update_vsyscall_old(struct timespec *wall_time, struct timespec *wtm, - struct clocksource *clock, u32 mult) + struct clocksource *clock, u32 mult, cycle_t cycle_last) { u64 new_tb_to_xs, new_stamp_xsec; u32 frac_sec; @@ -774,7 +774,7 @@ void update_vsyscall_old(struct timespec *wall_time, struct timespec *wtm, * We expect the caller to have done the first increment of * vdso_data->tb_update_count already. */ - vdso_data->tb_orig_stamp = clock->cycle_last; + vdso_data->tb_orig_stamp = cycle_last; vdso_data->stamp_xsec = new_stamp_xsec; vdso_data->tb_to_xs = new_tb_to_xs; vdso_data->wtom_clock_sec = wtm->tv_sec; diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index 0931b110c826..97950f392613 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -220,7 +220,7 @@ void update_vsyscall(struct timekeeper *tk) /* Make userspace gettimeofday spin until we're done. */ ++vdso_data->tb_update_count; smp_wmb(); - vdso_data->xtime_tod_stamp = tk->clock->cycle_last; + vdso_data->xtime_tod_stamp = tk->cycle_last; vdso_data->xtime_clock_sec = tk->xtime_sec; vdso_data->xtime_clock_nsec = tk->xtime_nsec; vdso_data->wtom_clock_sec = diff --git a/arch/tile/kernel/time.c b/arch/tile/kernel/time.c index ae70155c2f16..d22d5bfc1e4e 100644 --- a/arch/tile/kernel/time.c +++ b/arch/tile/kernel/time.c @@ -269,7 +269,7 @@ void update_vsyscall(struct timekeeper *tk) /* Userspace gettimeofday will spin while this value is odd. */ ++vdso_data->tb_update_count; smp_wmb(); - vdso_data->xtime_tod_stamp = clock->cycle_last; + vdso_data->xtime_tod_stamp = tk->cycle_last; vdso_data->xtime_clock_sec = tk->xtime_sec; vdso_data->xtime_clock_nsec = tk->xtime_nsec; vdso_data->wtom_clock_sec = wtm->tv_sec; diff --git a/arch/x86/kernel/vsyscall_gtod.c b/arch/x86/kernel/vsyscall_gtod.c index 9531fbb123ba..c3cb3c144591 100644 --- a/arch/x86/kernel/vsyscall_gtod.c +++ b/arch/x86/kernel/vsyscall_gtod.c @@ -32,7 +32,7 @@ void update_vsyscall(struct timekeeper *tk) /* copy vsyscall data */ vdata->vclock_mode = tk->clock->archdata.vclock_mode; - vdata->cycle_last = tk->clock->cycle_last; + vdata->cycle_last = tk->cycle_last; vdata->mask = tk->clock->mask; vdata->mult = tk->mult; vdata->shift = tk->shift; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 63832f5110b6..7b25125f3f42 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1001,7 +1001,7 @@ static void update_pvclock_gtod(struct timekeeper *tk) /* copy pvclock gtod data */ vdata->clock.vclock_mode = tk->clock->archdata.vclock_mode; - vdata->clock.cycle_last = tk->clock->cycle_last; + vdata->clock.cycle_last = tk->cycle_last; vdata->clock.mask = tk->clock->mask; vdata->clock.mult = tk->mult; vdata->clock.shift = tk->shift; -- cgit v1.2.3