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5679b803e4
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3 Commits

Author SHA1 Message Date
Paolo Bonzini
5679b803e4 KVM: SVM: keep DR6 synchronized with vcpu->arch.dr6 
kvm_x86_ops.set_dr6 is only ever called with vcpu->arch.dr6 as the
second argument.  Ensure that the VMCB value is synchronized to
vcpu->arch.dr6 on #DB (both "normal" and nested) and nested vmentry, so
that the current value of DR6 is always available in vcpu->arch.dr6.
The get_dr6 callback can just access vcpu->arch.dr6 and becomes redundant.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2020-05-08 07:43:47 -04:00
Paolo Bonzini
2c19dba680 KVM: nSVM: trap #DB and #BP to userspace if guest debugging is on 
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2020-05-07 07:45:16 -04:00
Joerg Roedel
883b0a91f4 KVM: SVM: Move Nested SVM Implementation to nested.c 
Split out the code for the nested SVM implementation and move it to a
separate file.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Message-Id: <20200324094154.32352-3-joro@8bytes.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2020-04-03 10:53:55 -04:00