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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2015-07-07 21:39:35 +0300
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-06-21 10:43:46 +0300
commitb917ae573f5b3f7fee8cfb0d42d74bd8641f6401 (patch)
treef582eb7dc28567929d6a54185a53fac1036341bf /fs/jffs2/compr_zlib.c
parent94a15de8fb2667791d66c49610676ea2add90034 (diff)
downloadlinux-b917ae573f5b3f7fee8cfb0d42d74bd8641f6401.tar.xz
KVM: s390: vsie: speed up VCPU external calls
Whenever a SIGP external call is injected via the SIGP external call interpretation facility, the VCPU is not kicked. When a VCPU is currently in the VSIE, the external call might not be processed immediately. Therefore we have to provoke partial execution exceptions, which leads to a kick of the VCPU and therefore also kick out of VSIE. This is done by simulating the WAIT state. This bit has no other side effects. Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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