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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2009-07-21 12:47:45 -0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-08-05 13:59:29 +0300 |
| commit | 4b656b1202498184a0ecef86b3b89ff613b9c6ab (patch) | |
| tree | 048c32cca06f74aa0b9dd63048597fa3c6278a7d /arch/x86/include/asm/amd_iommu.h | |
| parent | d6289b9365c3f622a8cfe62c4fb054bb70b5061a (diff) | |
| download | linux-4b656b1202498184a0ecef86b3b89ff613b9c6ab.tar.gz linux-4b656b1202498184a0ecef86b3b89ff613b9c6ab.tar.bz2 linux-4b656b1202498184a0ecef86b3b89ff613b9c6ab.zip | |
KVM: SVM: force new asid on vcpu migration
If a migrated vcpu matches the asid_generation value of the target pcpu,
there will be no TLB flush via TLB_CONTROL_FLUSH_ALL_ASID.
The check for vcpu.cpu in pre_svm_run is meaningless since svm_vcpu_load
already updated it on schedule in.
Such vcpu will VMRUN with stale TLB entries.
Based on original patch from Joerg Roedel (http://patchwork.kernel.org/patch/10021/)
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/amd_iommu.h')
0 files changed, 0 insertions, 0 deletions