tree 8614f0d85cace3eaf322ab8b8e429fc1df926927
parent 0c3252d58c54c87ee0f8f40d840e0146a3b1d5fd
author Heiko Carstens <heiko.carstens@de.ibm.com> 1216022248 +0200
committer Heiko Carstens <heiko.carstens@de.ibm.com> 1216022521 +0200

[S390] sclp: fix possible deadlock on cpu rescan.

smp_rescan_cpus() calls get_online_cpus() from a multithreaded
workqueue context. This may deadlock. This is the same bug as in
arch/s390/kernel/topology.c. This patch can be reverted as soon as
Oleg's patch gets merged.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>