lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[IA64] - Allow IPIs in timer loop

Browse Source 
Allow pending IPIs to interrupt a timer interrupt that is looping
in the do_timer() "while" loop in timer_interrupt(). (Interrupts are
allowed at only 1 spot in the code).

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Jack Steiner
2006-10-16 12:56:54 -05:00
committed by Tony Luck
parent ffc45571df
commit accaddb27a
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/ia64/kernel/time.c
View File

@@ -84,6 +84,12 @@ timer_interrupt (int irq, void *dev_id)
if (time_after(new_itm, ia64_get_itc())) if (time_after(new_itm, ia64_get_itc()))
break; break;
/*
* Allow IPIs to interrupt the timer loop.
*/
local_irq_enable();
local_irq_disable();
} }
do { do {