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KVM: s390: SIGP START has to report BUSY while stopping a CPU
authorThomas Huth <thuth@linux.vnet.ibm.com>
Tue, 3 Dec 2013 11:54:55 +0000 (12:54 +0100)
committerCornelia Huck <cornelia.huck@de.ibm.com>
Wed, 11 Dec 2013 18:05:21 +0000 (19:05 +0100)
commit58bc33b2b700f8524772f3fc20272da2187060c8
tree1cc8bdf6bbfb20ac2beb9ef0db0ee5ef932e1840tree | snapshot
parentcc92d6dea11cd43842e20cd05c066963de586417commit | diff
KVM: s390: SIGP START has to report BUSY while stopping a CPU

Just like the RESTART order, the START order also has to report BUSY
while a STOP request is pending, to avoid that the START might be
ignored due to a race condition between the STOP and the START order.

Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
arch/s390/include/asm/sigp.h diff | blob | history
arch/s390/kvm/sigp.c diff | blob | history
Domain: System / Uncategorized;