tree 8d2ea60d07e9f6291f22ef78fa69c7726430087b
parent e6b2551425d961e68e70e806e22ec40787f7ed67
author Heiko Carstens <heiko.carstens@de.ibm.com> 1386061589 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1387201063 +0100

s390/smp: only send external call ipi if needed

If the per cpu ec_mask bit of the receiving cpu is already set there is
no need to send an ipi, since a different cpu has already sent an ipi
and the receiving cpu has not yet executed the external call ipi handler.

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