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authorThomas Huth <thuth@linux.vnet.ibm.com>2013-12-03 15:54:55 +0400
committerCornelia Huck <cornelia.huck@de.ibm.com>2013-12-11 22:05:21 +0400
commit58bc33b2b700f8524772f3fc20272da2187060c8 (patch)
tree1cc8bdf6bbfb20ac2beb9ef0db0ee5ef932e1840 /arch/s390/include/asm/sigp.h
parentcc92d6dea11cd43842e20cd05c066963de586417 (diff)
downloadlinux-58bc33b2b700f8524772f3fc20272da2187060c8.tar.xz
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>
Diffstat (limited to 'arch/s390/include/asm/sigp.h')
-rw-r--r--arch/s390/include/asm/sigp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
index c002cd529c71..d091aa1aaf11 100644
--- a/arch/s390/include/asm/sigp.h
+++ b/arch/s390/include/asm/sigp.h
@@ -5,6 +5,7 @@
#define SIGP_SENSE 1
#define SIGP_EXTERNAL_CALL 2
#define SIGP_EMERGENCY_SIGNAL 3
+#define SIGP_START 4
#define SIGP_STOP 5
#define SIGP_RESTART 6
#define SIGP_STOP_AND_STORE_STATUS 9