| commit | 27025a602cb9d8b0fa5162b465334ef059a503b6 | [log] [tgz] |
|---|---|---|
| author | Liu Ping Fan <kernelfans@gmail.com> | Tue Nov 19 14:12:48 2013 +0800 |
| committer | Alexander Graf <agraf@suse.de> | Thu Nov 21 14:56:45 2013 +0100 |
| tree | e3d750b573ada011b48143f2ae412ddf57bcbbdf | |
| parent | 8a3caa6d74597c2a083f7c87f866891a0b12540b [diff] |
powerpc: kvm: optimize "sc 1" as fast return In some scene, e.g openstack CI, PR guest can trigger "sc 1" frequently, this patch optimizes the path by directly delivering BOOK3S_INTERRUPT_SYSCALL to HV guest, so powernv can return to HV guest without heavy exit, i.e, no need to swap TLB, HTAB,.. etc Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>