tree e88c2d900a228401cefc7e144bf5628434df18ac
parent 5fb5e6de55860a99c2d8fe7e0c8222d5c53d8464
author Peter Zijlstra <a.p.zijlstra@chello.nl> 1201291714 +0100
committer Ingo Molnar <mingo@elte.hu> 1201291714 +0100

sched: fix: don't take a mutex from interrupt context

print_cfs_stats is callable from interrupt context (sysrq), hence it should
not take mutexes. Change it to use RCU since the task group data is RCU
freed anyway.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>