[Xen-changelog] [xen master] timer: process softirq during dumping timer info

[patchbot@xxxxxxx]

commit ed7e33747da83ce805c00cd457e71075e34f0854
Author:     Lan Tianyu <tianyu.lan@xxxxxxxxx>
AuthorDate: Fri Oct 7 11:35:26 2016 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Oct 7 11:35:26 2016 +0200

    timer: process softirq during dumping timer info
    
    Dumping timer info may run for a long time on the huge machine with
    a lot of physical cpus. To avoid triggering NMI watchdog, add
    process_pending_softirqs() in the loop of dumping timer info.
    
    Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx>
    Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
 xen/common/timer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xen/common/timer.c b/xen/common/timer.c
index 29a60a9..ab6bca0 100644
--- a/xen/common/timer.c
+++ b/xen/common/timer.c
@@ -530,6 +530,7 @@ static void dump_timerq(unsigned char key)
     {
         ts = &per_cpu(timers, i);
 
+        process_pending_softirqs();
         printk("CPU%02d:\n", i);
         spin_lock_irqsave(&ts->lock, flags);
         for ( j = 1; j <= GET_HEAP_SIZE(ts->heap); j++ )
--
generated by git-patchbot for /home/xen/git/xen.git#master

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