xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[ARM] xtime_seqlock: fix more ARM machines for xtime deadlocking

Browse Source 
move update_process_times() out from under xtime_lock.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Peter Zijlstra
2008-02-01 21:27:02 +00:00
committed by Russell King
parent 2f65baff3a
commit 66a2c077c3
4 changed files with 0 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/plat-iop/time.c
View File

@@ -57,8 +57,6 @@ unsigned long iop_gettimeoffset(void)
static irqreturn_t
iop_timer_interrupt(int irq, void *dev_id)
{
write_seqlock(&xtime_lock);
write_tisr(1);
while ((signed long)(next_jiffy_time - read_tcr1())
@@ -67,8 +65,6 @@ iop_timer_interrupt(int irq, void *dev_id)
next_jiffy_time -= ticks_per_jiffy;
}
write_sequnlock(&xtime_lock);
return IRQ_HANDLED;
}