korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2025-01-21 05:14:52 +08:00
Code Issues Packages Projects Releases Wiki Activity

rcu: Fix TINY_RCU rcu_is_cpu_rrupt_from_idle check

Browse Source 
The rcu_is_cpu_rrupt_from_idle() needs to allow for one interrupt level
from the idle loop, but TINY_RCU checks for a call from the idle loop
itself.  This commit fixes this issue.

Reported-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2012-10-29 04:52:56 -07:00 committed by Paul E. McKenney
parent f0a0e6f282
commit 351573a86d
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/rcutiny.c
View File

@ -195,7 +195,7 @@ EXPORT_SYMBOL(rcu_is_cpu_idle);
*/ */
int rcu_is_cpu_rrupt_from_idle(void) int rcu_is_cpu_rrupt_from_idle(void)
{ {
return rcu_dynticks_nesting <= 0; return rcu_dynticks_nesting <= 1;
} }
/* /*