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authorAndre Przywara <andre.przywara@arm.com>2018-05-11 15:20:15 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2018-05-15 13:36:53 +0200
commit711702b57cc3c50b84bd648de0f1ca0a378805be (patch)
treebc600ebc3131f613ff676175ec921bd8e7da7751 /lib
parentbf308242ab98b5d1648c3663e753556bef9bec01 (diff)
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op-kernel-dev-711702b57cc3c50b84bd648de0f1ca0a378805be.tar.gz
KVM: arm/arm64: VGIC/ITS save/restore: protect kvm_read_guest() calls
kvm_read_guest() will eventually look up in kvm_memslots(), which requires either to hold the kvm->slots_lock or to be inside a kvm->srcu critical section. In contrast to x86 and s390 we don't take the SRCU lock on every guest exit, so we have to do it individually for each kvm_read_guest() call. Use the newly introduced wrapper for that. Cc: Stable <stable@vger.kernel.org> # 4.12+ Reported-by: Jan Glauber <jan.glauber@caviumnetworks.com> Signed-off-by: Andre Przywara <andre.przywara@arm.com> Acked-by: Christoffer Dall <christoffer.dall@arm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'lib')
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