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| author | Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2019-11-12 17:35:06 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-01-30 18:45:54 +0100 |
| commit | 1eff70a9abd46f175defafd29bc17ad456f398a7 (patch) | |
| tree | 977d32b00d6c75b404fb7b131d89f9e5de9021cd /crypto | |
| parent | x86/kvm: Be careful not to clear KVM_VCPU_FLUSH_TLB bit (diff) | |
| download | linux-1eff70a9abd46f175defafd29bc17ad456f398a7.tar.xz linux-1eff70a9abd46f175defafd29bc17ad456f398a7.zip | |
x86/kvm: Introduce kvm_(un)map_gfn()
kvm_vcpu_(un)map operates on gfns from any current address space.
In certain cases we want to make sure we are not mapping SMRAM
and for that we can use kvm_(un)map_gfn() that we are introducing
in this patch.
This is part of CVE-2019-3016.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'crypto')
0 files changed, 0 insertions, 0 deletions