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(parent: aa82cc4) | patch
KVM: s390: Don't exit SIE on SIGP sense running
authorChristian Borntraeger <borntraeger@de.ibm.com>
Thu, 17 Jun 2010 21:16:20 +0000 (23:16 +0200)
committerAvi Kivity <avi@redhat.com>
Sun, 1 Aug 2010 07:46:59 +0000 (10:46 +0300)
commit13dfa83ff2d50690b5e2771b83b421206c6773dc
tree2a352c26d5fd09dc26dc07e1bd6f5dcdadc33efctree | snapshot
parentaa82cc43064263d5aa194414fc5174b51d5d24eccommit | diff
KVM: s390: Don't exit SIE on SIGP sense running

Newer (guest) kernels use sigp sense running in their spinlock
implementation to check if the other cpu is running before yielding
the processor. This revealed some wrong guest settings, causing
unnecessary exits for every sigp sense running.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/s390/include/asm/kvm_host.h diff | blob | history
arch/s390/kvm/kvm-s390.c diff | blob | history
Linux Kernel Source Tree.