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authorAlexander Graf <agraf@suse.de>2014-05-12 01:08:32 +0200
committerAlexander Graf <agraf@suse.de>2014-05-30 14:26:24 +0200
commitf3383cf80e417e86fcc84a2eb4c96bc52842d8d9 (patch)
tree69cde42c1f516992ef2e6db665d1098ee0eac951 /block
parent1f365bb0de12da4a9ef8e56ffba2218d9a026011 (diff)
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KVM: PPC: Disable NX for old magic page using guests
Old guests try to use the magic page, but map their trampoline code inside of an NX region. Since we can't fix those old kernels, try to detect whether the guest is sane or not. If not, just disable NX functionality in KVM so that old guests at least work at all. For newer guests, add a bit that we can set to keep NX functionality available. Signed-off-by: Alexander Graf <agraf@suse.de>
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