Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161396AbWBUGW6 (ORCPT ); Tue, 21 Feb 2006 01:22:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161438AbWBUGW0 (ORCPT ); Tue, 21 Feb 2006 01:22:26 -0500 Received: from e34.co.us.ibm.com ([32.97.110.152]:35803 "EHLO e34.co.us.ibm.com") by vger.kernel.org with ESMTP id S1161396AbWBUGVg (ORCPT ); Tue, 21 Feb 2006 01:21:36 -0500 Date: Mon, 20 Feb 2006 23:21:34 -0700 From: john stultz To: akpm@osdl.org Cc: john stultz , linux-kernel@vger.kernel.org, johnstul@us.ibm.com Message-Id: <20060221062133.13304.69898.sendpatchset@cog.beaverton.ibm.com> In-Reply-To: <20060221062102.13304.81613.sendpatchset@cog.beaverton.ibm.com> References: <20060221062102.13304.81613.sendpatchset@cog.beaverton.ibm.com> Subject: [-mm PATCH 5/11] Time: generic timekeeping infrastructure - remove nsec_t Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4485 Lines: 143 Removes nsec_t as suggested by Roman Zippel Also removes cycle_t addition from timekeeping-infrastructure patch Signed-off-by: John Stultz Index: mm-merge/kernel/time/timeofday.c =================================================================== --- mm-merge.orig/kernel/time/timeofday.c +++ mm-merge/kernel/time/timeofday.c @@ -114,7 +114,7 @@ static enum { TIME_SUSPENDED } time_suspend_state = TIME_RUNNING; -static nsec_t suspend_start; +static s64 suspend_start; /* [Soft-Timers] * timeofday_timer: @@ -155,10 +155,10 @@ static void update_legacy_time_values(vo * called. Returns the number of nanoseconds since the * last call to timeofday_periodic_hook() (adjusted by NTP scaling) */ -static inline nsec_t __get_nsec_offset(void) +static inline s64 __get_nsec_offset(void) { cycle_t cycle_now, cycle_delta; - nsec_t ns_offset; + s64 ns_offset; /* read clocksource: */ cycle_now = read_clocksource(clock); @@ -187,7 +187,7 @@ static inline nsec_t __get_nsec_offset(v */ static ktime_t __get_monotonic_clock(void) { - nsec_t offset = __get_nsec_offset(); + s64 offset = __get_nsec_offset(); return ktime_add_ns(system_time, offset); } @@ -272,7 +272,7 @@ ktime_t get_realtime_offset(void) void get_monotonic_clock_ts(struct timespec *ts) { unsigned long seq; - nsec_t offset; + s64 offset; do { seq = read_seqbegin(&system_time_lock); @@ -294,7 +294,7 @@ void get_monotonic_clock_ts(struct times static inline void __get_realtime_clock_ts(struct timespec *ts) { unsigned long seq; - nsec_t nsecs; + s64 nsecs; do { seq = read_seqbegin(&system_time_lock); @@ -432,7 +439,7 @@ static int timeofday_suspend_hook(struct */ static int timeofday_resume_hook(struct sys_device *dev) { - nsec_t suspend_end, suspend_time; + s64 suspend_end, suspend_time; unsigned long flags; write_seqlock_irqsave(&system_time_lock, flags); @@ -506,7 +513,7 @@ static void timeofday_periodic_hook(unsi unsigned long flags; cycle_t cycle_now, cycle_delta; - nsec_t delta_nsec; + s64 delta_nsec; static u64 remainder; long leapsecond = 0; @@ -517,7 +524,7 @@ static void timeofday_periodic_hook(unsi int something_changed = 0; struct clocksource old_clock; - static nsec_t second_check; + static s64 second_check; write_seqlock_irqsave(&system_time_lock, flags); Index: mm-merge/include/linux/time.h =================================================================== --- mm-merge.orig/include/linux/time.h +++ mm-merge/include/linux/time.h @@ -27,9 +27,6 @@ struct timezone { #ifdef __KERNEL__ -/* timeofday base types */ -typedef u64 cycle_t; - /* Parameters used to convert the timespec values: */ #define MSEC_PER_SEC 1000L #define USEC_PER_SEC 1000000L @@ -152,9 +149,9 @@ extern struct timeval ns_to_timeval(cons /** * timespec_add_ns - Adds nanoseconds to a timespec * @a: pointer to timespec to be incremented - * @ns: the nanoseconds value to be added + * @ns: unsigned nanoseconds value to be added */ -static inline void timespec_add_ns(struct timespec *a, nsec_t ns) +static inline void timespec_add_ns(struct timespec *a, u64 ns) { ns += a->tv_nsec; while(unlikely(ns >= NSEC_PER_SEC)) { Index: mm-merge/include/asm-generic/timeofday.h =================================================================== --- mm-merge.orig/include/asm-generic/timeofday.h +++ mm-merge/include/asm-generic/timeofday.h @@ -15,7 +15,7 @@ #ifdef CONFIG_GENERIC_TIME /* Required externs */ -extern nsec_t read_persistent_clock(void); +extern s64 read_persistent_clock(void); extern void sync_persistent_clock(struct timespec ts); #ifdef CONFIG_GENERIC_TIME_VSYSCALL Index: mm-merge/Documentation/timekeeping.txt =================================================================== --- mm-merge.orig/Documentation/timekeeping.txt +++ mm-merge/Documentation/timekeeping.txt @@ -159,7 +159,7 @@ Porting an arch usually requires the fol 1. Define CONFIG_GENERIC_TIME in the arches Kconfig 2. Implementing the following functions - nsec_t read_persistent_clock(void) + s64 read_persistent_clock(void) void sync_persistent_clock(struct timespec ts) 3. Removing all of the arch specific timekeeping code do_gettimeofday() - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/