projects / xen.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 2be3bcb) | patch
nestedsvm: reduce TLB flushes
authorKeir Fraser <keir@xen.org>
Fri, 20 May 2011 08:07:54 +0000 (09:07 +0100)
committerKeir Fraser <keir@xen.org>
Fri, 20 May 2011 08:07:54 +0000 (09:07 +0100)
commitc33a0b24c1f04d45d79c0b5657ecb25677dd1fb2
treefd388a920a3c672d794fc2ee8bdf77259eecbb37tree | snapshot
parent2be3bcbfe84713c49a42041baf3451e20a381355commit | diff
nestedsvm: reduce TLB flushes

Reduce TLB flushes:
1. When we update the cr3 during VMRUN/VMEXIT emulation
    we toggle between n1asid and n2asid forth and back
    => no TLB flush needed
2. Only flush n1asid or n2asid depending on vcpu guest mode
    and not both unconditionally.

Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
Signed-off-by: Keir Fraser <keir@xen.org>
xen/arch/x86/hvm/svm/svm.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.