diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2016-12-21 22:32:01 +0300 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2016-12-25 13:04:12 +0300 |
commit | a5a1d1c2914b5316924c7893eb683a5420ebd3be (patch) | |
tree | 9078b8a179031e7e8b320e1c69f182cc285e7b5d /arch/x86 | |
parent | 7c0f6ba682b9c7632072ffbedf8d328c8f3c42ba (diff) | |
download | linux-a5a1d1c2914b5316924c7893eb683a5420ebd3be.tar.xz |
clocksource: Use a plain u64 instead of cycle_t
There is no point in having an extra type for extra confusion. u64 is
unambiguous.
Conversion was done with the following coccinelle script:
@rem@
@@
-typedef u64 cycle_t;
@fix@
typedef cycle_t;
@@
-cycle_t
+u64
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/entry/vdso/vclock_gettime.c | 8 | ||||
-rw-r--r-- | arch/x86/include/asm/kvm_host.h | 2 | ||||
-rw-r--r-- | arch/x86/include/asm/pvclock.h | 7 | ||||
-rw-r--r-- | arch/x86/include/asm/tsc.h | 2 | ||||
-rw-r--r-- | arch/x86/include/asm/vgtod.h | 4 | ||||
-rw-r--r-- | arch/x86/kernel/apb_timer.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mshyperv.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/hpet.c | 14 | ||||
-rw-r--r-- | arch/x86/kernel/kvmclock.c | 10 | ||||
-rw-r--r-- | arch/x86/kernel/pvclock.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/tsc.c | 6 | ||||
-rw-r--r-- | arch/x86/kvm/x86.c | 14 | ||||
-rw-r--r-- | arch/x86/lguest/boot.c | 2 | ||||
-rw-r--r-- | arch/x86/platform/uv/uv_time.c | 8 | ||||
-rw-r--r-- | arch/x86/xen/time.c | 6 | ||||
-rw-r--r-- | arch/x86/xen/xen-ops.h | 2 |
16 files changed, 48 insertions, 49 deletions
diff --git a/arch/x86/entry/vdso/vclock_gettime.c b/arch/x86/entry/vdso/vclock_gettime.c index 02223cb4bcfd..9d4d6e138311 100644 --- a/arch/x86/entry/vdso/vclock_gettime.c +++ b/arch/x86/entry/vdso/vclock_gettime.c @@ -92,10 +92,10 @@ static notrace const struct pvclock_vsyscall_time_info *get_pvti0(void) return (const struct pvclock_vsyscall_time_info *)&pvclock_page; } -static notrace cycle_t vread_pvclock(int *mode) +static notrace u64 vread_pvclock(int *mode) { const struct pvclock_vcpu_time_info *pvti = &get_pvti0()->pvti; - cycle_t ret; + u64 ret; u64 last; u32 version; @@ -142,9 +142,9 @@ static notrace cycle_t vread_pvclock(int *mode) } #endif -notrace static cycle_t vread_tsc(void) +notrace static u64 vread_tsc(void) { - cycle_t ret = (cycle_t)rdtsc_ordered(); + u64 ret = (u64)rdtsc_ordered(); u64 last = gtod->cycle_last; if (likely(ret >= last)) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 2e25038dbd93..a7066dc1a7e9 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -768,7 +768,7 @@ struct kvm_arch { spinlock_t pvclock_gtod_sync_lock; bool use_master_clock; u64 master_kernel_ns; - cycle_t master_cycle_now; + u64 master_cycle_now; struct delayed_work kvmclock_update_work; struct delayed_work kvmclock_sync_work; diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h index 3ad741b84072..448cfe1b48cf 100644 --- a/arch/x86/include/asm/pvclock.h +++ b/arch/x86/include/asm/pvclock.h @@ -14,7 +14,7 @@ static inline struct pvclock_vsyscall_time_info *pvclock_pvti_cpu0_va(void) #endif /* some helper functions for xen and kvm pv clock sources */ -cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src); +u64 pvclock_clocksource_read(struct pvclock_vcpu_time_info *src); u8 pvclock_read_flags(struct pvclock_vcpu_time_info *src); void pvclock_set_flags(u8 flags); unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src); @@ -87,11 +87,10 @@ static inline u64 pvclock_scale_delta(u64 delta, u32 mul_frac, int shift) } static __always_inline -cycle_t __pvclock_read_cycles(const struct pvclock_vcpu_time_info *src, - u64 tsc) +u64 __pvclock_read_cycles(const struct pvclock_vcpu_time_info *src, u64 tsc) { u64 delta = tsc - src->tsc_timestamp; - cycle_t offset = pvclock_scale_delta(delta, src->tsc_to_system_mul, + u64 offset = pvclock_scale_delta(delta, src->tsc_to_system_mul, src->tsc_shift); return src->system_time + offset; } diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h index abb1fdcc545a..f5e6f1c417df 100644 --- a/arch/x86/include/asm/tsc.h +++ b/arch/x86/include/asm/tsc.h @@ -29,7 +29,7 @@ static inline cycles_t get_cycles(void) return rdtsc(); } -extern struct system_counterval_t convert_art_to_tsc(cycle_t art); +extern struct system_counterval_t convert_art_to_tsc(u64 art); extern void tsc_init(void); extern void mark_tsc_unstable(char *reason); diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h index 3a01996db58f..022e59714562 100644 --- a/arch/x86/include/asm/vgtod.h +++ b/arch/x86/include/asm/vgtod.h @@ -17,8 +17,8 @@ struct vsyscall_gtod_data { unsigned seq; int vclock_mode; - cycle_t cycle_last; - cycle_t mask; + u64 cycle_last; + u64 mask; u32 mult; u32 shift; diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c index 456316f6c868..092ea664d2c6 100644 --- a/arch/x86/kernel/apb_timer.c +++ b/arch/x86/kernel/apb_timer.c @@ -247,7 +247,7 @@ void apbt_setup_secondary_clock(void) {} static int apbt_clocksource_register(void) { u64 start, now; - cycle_t t1; + u64 t1; /* Start the counter, use timer 2 as source, timer 0/1 for event */ dw_apb_clocksource_start(clocksource_apbt); @@ -355,7 +355,7 @@ unsigned long apbt_quick_calibrate(void) { int i, scale; u64 old, new; - cycle_t t1, t2; + u64 t1, t2; unsigned long khz = 0; u32 loop, shift; diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index f37e02e41a77..65e20c97e04b 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -133,9 +133,9 @@ static uint32_t __init ms_hyperv_platform(void) return 0; } -static cycle_t read_hv_clock(struct clocksource *arg) +static u64 read_hv_clock(struct clocksource *arg) { - cycle_t current_tick; + u64 current_tick; /* * Read the partition counter to get the current tick count. This count * is set to 0 when the partition is created and is incremented in diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 274fab99169d..367756d55980 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -791,7 +791,7 @@ static union hpet_lock hpet __cacheline_aligned = { { .lock = __ARCH_SPIN_LOCK_UNLOCKED, }, }; -static cycle_t read_hpet(struct clocksource *cs) +static u64 read_hpet(struct clocksource *cs) { unsigned long flags; union hpet_lock old, new; @@ -802,7 +802,7 @@ static cycle_t read_hpet(struct clocksource *cs) * Read HPET directly if in NMI. */ if (in_nmi()) - return (cycle_t)hpet_readl(HPET_COUNTER); + return (u64)hpet_readl(HPET_COUNTER); /* * Read the current state of the lock and HPET value atomically. @@ -821,7 +821,7 @@ static cycle_t read_hpet(struct clocksource *cs) WRITE_ONCE(hpet.value, new.value); arch_spin_unlock(&hpet.lock); local_irq_restore(flags); - return (cycle_t)new.value; + return (u64)new.value; } local_irq_restore(flags); @@ -843,15 +843,15 @@ contended: new.lockval = READ_ONCE(hpet.lockval); } while ((new.value == old.value) && arch_spin_is_locked(&new.lock)); - return (cycle_t)new.value; + return (u64)new.value; } #else /* * For UP or 32-bit. */ -static cycle_t read_hpet(struct clocksource *cs) +static u64 read_hpet(struct clocksource *cs) { - return (cycle_t)hpet_readl(HPET_COUNTER); + return (u64)hpet_readl(HPET_COUNTER); } #endif @@ -867,7 +867,7 @@ static struct clocksource clocksource_hpet = { static int hpet_clocksource_register(void) { u64 start, now; - cycle_t t1; + u64 t1; /* Start the counter */ hpet_restart_counter(); diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index 60b9949f1e65..2a5cafdf8808 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -32,7 +32,7 @@ static int kvmclock __ro_after_init = 1; static int msr_kvm_system_time = MSR_KVM_SYSTEM_TIME; static int msr_kvm_wall_clock = MSR_KVM_WALL_CLOCK; -static cycle_t kvm_sched_clock_offset; +static u64 kvm_sched_clock_offset; static int parse_no_kvmclock(char *arg) { @@ -79,10 +79,10 @@ static int kvm_set_wallclock(const struct timespec *now) return -1; } -static cycle_t kvm_clock_read(void) +static u64 kvm_clock_read(void) { struct pvclock_vcpu_time_info *src; - cycle_t ret; + u64 ret; int cpu; preempt_disable_notrace(); @@ -93,12 +93,12 @@ static cycle_t kvm_clock_read(void) return ret; } -static cycle_t kvm_clock_get_cycles(struct clocksource *cs) +static u64 kvm_clock_get_cycles(struct clocksource *cs) { return kvm_clock_read(); } -static cycle_t kvm_sched_clock_read(void) +static u64 kvm_sched_clock_read(void) { return kvm_clock_read() - kvm_sched_clock_offset; } diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c index 5b2cc889ce34..9e93fe5803b4 100644 --- a/arch/x86/kernel/pvclock.c +++ b/arch/x86/kernel/pvclock.c @@ -71,10 +71,10 @@ u8 pvclock_read_flags(struct pvclock_vcpu_time_info *src) return flags & valid_flags; } -cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src) +u64 pvclock_clocksource_read(struct pvclock_vcpu_time_info *src) { unsigned version; - cycle_t ret; + u64 ret; u64 last; u8 flags; diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 0aed75a1e31b..be3a49ee0356 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -1101,9 +1101,9 @@ static void tsc_resume(struct clocksource *cs) * checking the result of read_tsc() - cycle_last for being negative. * That works because CLOCKSOURCE_MASK(64) does not mask out any bit. */ -static cycle_t read_tsc(struct clocksource *cs) +static u64 read_tsc(struct clocksource *cs) { - return (cycle_t)rdtsc_ordered(); + return (u64)rdtsc_ordered(); } /* @@ -1192,7 +1192,7 @@ int unsynchronized_tsc(void) /* * Convert ART to TSC given numerator/denominator found in detect_art() */ -struct system_counterval_t convert_art_to_tsc(cycle_t art) +struct system_counterval_t convert_art_to_tsc(u64 art) { u64 tmp, res, rem; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 445c51b6cf6d..ed04398f52c1 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1131,8 +1131,8 @@ struct pvclock_gtod_data { struct { /* extract of a clocksource struct */ int vclock_mode; - cycle_t cycle_last; - cycle_t mask; + u64 cycle_last; + u64 mask; u32 mult; u32 shift; } clock; @@ -1572,9 +1572,9 @@ static inline void adjust_tsc_offset_host(struct kvm_vcpu *vcpu, s64 adjustment) #ifdef CONFIG_X86_64 -static cycle_t read_tsc(void) +static u64 read_tsc(void) { - cycle_t ret = (cycle_t)rdtsc_ordered(); + u64 ret = (u64)rdtsc_ordered(); u64 last = pvclock_gtod_data.clock.cycle_last; if (likely(ret >= last)) @@ -1592,7 +1592,7 @@ static cycle_t read_tsc(void) return last; } -static inline u64 vgettsc(cycle_t *cycle_now) +static inline u64 vgettsc(u64 *cycle_now) { long v; struct pvclock_gtod_data *gtod = &pvclock_gtod_data; @@ -1603,7 +1603,7 @@ static inline u64 vgettsc(cycle_t *cycle_now) return v * gtod->clock.mult; } -static int do_monotonic_boot(s64 *t, cycle_t *cycle_now) +static int do_monotonic_boot(s64 *t, u64 *cycle_now) { struct pvclock_gtod_data *gtod = &pvclock_gtod_data; unsigned long seq; @@ -1624,7 +1624,7 @@ static int do_monotonic_boot(s64 *t, cycle_t *cycle_now) } /* returns true if host is using tsc clocksource */ -static bool kvm_get_time_and_clockread(s64 *kernel_ns, cycle_t *cycle_now) +static bool kvm_get_time_and_clockread(s64 *kernel_ns, u64 *cycle_now) { /* checked again under seqlock below */ if (pvclock_gtod_data.clock.vclock_mode != VCLOCK_TSC) diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 4ca0d78adcf0..d3289d7e78fa 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -916,7 +916,7 @@ static unsigned long lguest_tsc_khz(void) * If we can't use the TSC, the kernel falls back to our lower-priority * "lguest_clock", where we read the time value given to us by the Host. */ -static cycle_t lguest_clock_read(struct clocksource *cs) +static u64 lguest_clock_read(struct clocksource *cs) { unsigned long sec, nsec; diff --git a/arch/x86/platform/uv/uv_time.c b/arch/x86/platform/uv/uv_time.c index b333fc45f9ec..2ee7632d4916 100644 --- a/arch/x86/platform/uv/uv_time.c +++ b/arch/x86/platform/uv/uv_time.c @@ -30,7 +30,7 @@ #define RTC_NAME "sgi_rtc" -static cycle_t uv_read_rtc(struct clocksource *cs); +static u64 uv_read_rtc(struct clocksource *cs); static int uv_rtc_next_event(unsigned long, struct clock_event_device *); static int uv_rtc_shutdown(struct clock_event_device *evt); @@ -38,7 +38,7 @@ static struct clocksource clocksource_uv = { .name = RTC_NAME, .rating = 299, .read = uv_read_rtc, - .mask = (cycle_t)UVH_RTC_REAL_TIME_CLOCK_MASK, + .mask = (u64)UVH_RTC_REAL_TIME_CLOCK_MASK, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -296,7 +296,7 @@ static int uv_rtc_unset_timer(int cpu, int force) * cachelines of it's own page. This allows faster simultaneous reads * from a given socket. */ -static cycle_t uv_read_rtc(struct clocksource *cs) +static u64 uv_read_rtc(struct clocksource *cs) { unsigned long offset; @@ -305,7 +305,7 @@ static cycle_t uv_read_rtc(struct clocksource *cs) else offset = (uv_blade_processor_id() * L1_CACHE_BYTES) % PAGE_SIZE; - return (cycle_t)uv_read_local_mmr(UVH_RTC | offset); + return (u64)uv_read_local_mmr(UVH_RTC | offset); } /* diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 33d8f6a7829d..1e69956d7852 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -39,10 +39,10 @@ static unsigned long xen_tsc_khz(void) return pvclock_tsc_khz(info); } -cycle_t xen_clocksource_read(void) +u64 xen_clocksource_read(void) { struct pvclock_vcpu_time_info *src; - cycle_t ret; + u64 ret; preempt_disable_notrace(); src = &__this_cpu_read(xen_vcpu)->time; @@ -51,7 +51,7 @@ cycle_t xen_clocksource_read(void) return ret; } -static cycle_t xen_clocksource_get_cycles(struct clocksource *cs) +static u64 xen_clocksource_get_cycles(struct clocksource *cs) { return xen_clocksource_read(); } diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index 3cbce3b085e7..ac0a2b0f9e62 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -67,7 +67,7 @@ void xen_init_irq_ops(void); void xen_setup_timer(int cpu); void xen_setup_runstate_info(int cpu); void xen_teardown_timer(int cpu); -cycle_t xen_clocksource_read(void); +u64 xen_clocksource_read(void); void xen_setup_cpu_clockevents(void); void __init xen_init_time_ops(void); void __init xen_hvm_init_time_ops(void); |