openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

x86_64: Don't use softirq safe locks in smp_call_function 

It is not fully softirq safe anyways.

Can't do a WARN_ON unfortunately because it could trigger in the
panic case.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andi Kleen 2007-07-21 17:10:05 +02:00 committed by Linus Torvalds
parent af3e9a2e33
commit d9c6d69145
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/x86_64/kernel/smp.c
View File

@ -386,9 +386,9 @@ int smp_call_function_single (int cpu, void (*func) (void *info), void *info,
return 0;
}
spin_lock_bh(&call_lock);
spin_lock(&call_lock);
__smp_call_function_single(cpu, func, info, nonatomic, wait);
spin_unlock_bh(&call_lock);
spin_unlock(&call_lock);
put_cpu();
return 0;
}