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| author | Konstantin Weitz <WEITZKON@de.ibm.com> | 2012-04-25 15:30:38 +0200 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-04-30 21:38:31 -0300 |
| commit | 41628d334361670d825fb03c04568f5ef9f084dc (patch) | |
| tree | 88b2eadd0f7de12f1d8b226e4491532b8783ee94 /kernel/rwsem.c | |
| parent | b6ddf05ff68d81a7c1736717faf492b70e9bf4f9 (diff) | |
| download | op-kernel-dev-41628d334361670d825fb03c04568f5ef9f084dc.zip op-kernel-dev-41628d334361670d825fb03c04568f5ef9f084dc.tar.gz | |
KVM: s390: Implement the directed yield (diag 9c) hypervisor call for KVM
This patch implements the directed yield hypercall found on other
System z hypervisors. It delegates execution time to the virtual cpu
specified in the instruction's parameter.
Useful to avoid long spinlock waits in the guest.
Christian Borntraeger: moved common code in virt/kvm/
Signed-off-by: Konstantin Weitz <WEITZKON@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'kernel/rwsem.c')
0 files changed, 0 insertions, 0 deletions
