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authorJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-03-21 13:05:45 -0600
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-03-21 13:05:45 -0600
commitd04cdb64212eb5ae6a98026a97dda626e40e8e9a (patch)
treeb6a7dbb21ccfceb915844e9a330b3d3dfcaf3c5b /arch/mips/kernel/time.c
parent2f8600dff2b140096a7df781884e918a16aa90e0 (diff)
parentec1248e70edc5cf7b485efcc7b41e44e10f422e5 (diff)
Merge ../linux-2.6
Diffstat (limited to 'arch/mips/kernel/time.c')
-rw-r--r--arch/mips/kernel/time.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index 42c94c771af..51273b7297a 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -424,6 +424,8 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
unsigned long j;
unsigned int count;
+ write_seqlock(&xtime_lock);
+
count = mips_hpt_read();
mips_timer_ack();
@@ -441,7 +443,6 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
* CMOS clock accordingly every ~11 minutes. rtc_set_time() has to be
* called as close as possible to 500 ms before the new second starts.
*/
- write_seqlock(&xtime_lock);
if (ntp_synced() &&
xtime.tv_sec > last_rtc_update + 660 &&
(xtime.tv_nsec / 1000) >= 500000 - ((unsigned) TICK_SIZE) / 2 &&
@@ -453,7 +454,6 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
last_rtc_update = xtime.tv_sec - 600;
}
}
- write_sequnlock(&xtime_lock);
/*
* If jiffies has overflown in this timer_interrupt, we must
@@ -496,6 +496,8 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
}
}
+ write_sequnlock(&xtime_lock);
+
/*
* In UP mode, we call local_timer_interrupt() to do profiling
* and process accouting.