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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2010-06-17 23:16:20 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-08-01 10:46:59 +0300 |
| commit | fc34531db3cf8c422f2ff7cf4ef507a3ca672cd2 (patch) | |
| tree | 2a352c26d5fd09dc26dc07e1bd6f5dcdadc33efc /Documentation/feature-removal-schedule.txt | |
| parent | 971eb77f87bfd352a56a24651922d0383db76219 (diff) | |
| download | lwn-fc34531db3cf8c422f2ff7cf4ef507a3ca672cd2.tar.gz lwn-fc34531db3cf8c422f2ff7cf4ef507a3ca672cd2.zip | |
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>
Diffstat (limited to 'Documentation/feature-removal-schedule.txt')
0 files changed, 0 insertions, 0 deletions