diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 19:28:09 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 19:28:09 -0800 |
| commit | fbf07eac7bf21c262143194181bd97c5d18b8ceb (patch) | |
| tree | c9228b7d272f1e39472da28032605ecd1860e688 /kernel | |
| parent | 60d8ce2cd6c283132928c11f3fd57ff4187287e0 (diff) | |
| parent | 8629ea2eaba8ca0de2e38ce1b4a825e16255976e (diff) | |
| download | linux-fbf07eac7bf21c262143194181bd97c5d18b8ceb.tar.gz | |
Merge branch 'timers-for-linus-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: hrtimer: Fix /proc/timer_list regression itimers: Fix racy writes to cpu_itimer fields timekeeping: Fix clock_gettime vsyscall time warp
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/itimer.c | 7 | ||||
| -rw-r--r-- | kernel/time/timekeeping.c | 6 |
2 files changed, 8 insertions, 5 deletions
diff --git a/kernel/itimer.c b/kernel/itimer.c index b03451ede528..d802883153da 100644 --- a/kernel/itimer.c +++ b/kernel/itimer.c @@ -146,6 +146,7 @@ static void set_cpu_itimer(struct task_struct *tsk, unsigned int clock_id, { cputime_t cval, nval, cinterval, ninterval; s64 ns_ninterval, ns_nval; + u32 error, incr_error; struct cpu_itimer *it = &tsk->signal->it[clock_id]; nval = timeval_to_cputime(&value->it_value); @@ -153,8 +154,8 @@ static void set_cpu_itimer(struct task_struct *tsk, unsigned int clock_id, ninterval = timeval_to_cputime(&value->it_interval); ns_ninterval = timeval_to_ns(&value->it_interval); - it->incr_error = cputime_sub_ns(ninterval, ns_ninterval); - it->error = cputime_sub_ns(nval, ns_nval); + error = cputime_sub_ns(nval, ns_nval); + incr_error = cputime_sub_ns(ninterval, ns_ninterval); spin_lock_irq(&tsk->sighand->siglock); @@ -168,6 +169,8 @@ static void set_cpu_itimer(struct task_struct *tsk, unsigned int clock_id, } it->expires = nval; it->incr = ninterval; + it->error = error; + it->incr_error = incr_error; trace_itimer_state(clock_id == CPUCLOCK_VIRT ? ITIMER_VIRTUAL : ITIMER_PROF, value, nval); diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index d1aebd73b191..af4135f05825 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -170,7 +170,7 @@ void timekeeping_leap_insert(int leapsecond) { xtime.tv_sec += leapsecond; wall_to_monotonic.tv_sec -= leapsecond; - update_vsyscall(&xtime, timekeeper.clock); + update_vsyscall(&xtime, timekeeper.clock, timekeeper.mult); } #ifdef CONFIG_GENERIC_TIME @@ -328,7 +328,7 @@ int do_settimeofday(struct timespec *tv) timekeeper.ntp_error = 0; ntp_clear(); - update_vsyscall(&xtime, timekeeper.clock); + update_vsyscall(&xtime, timekeeper.clock, timekeeper.mult); write_sequnlock_irqrestore(&xtime_lock, flags); @@ -840,7 +840,7 @@ void update_wall_time(void) timekeeper.ntp_error_shift; /* check to see if there is a new clocksource to use */ - update_vsyscall(&xtime, timekeeper.clock); + update_vsyscall(&xtime, timekeeper.clock, timekeeper.mult); } /** |