On 8/25/23 09:35, Fiona Ebner wrote:
The mentioned commits and reading in the mail thread
Cc: sta...@vger.kernel.org # v5.13+
Fixes: 3039bcc74498 ("KVM: Move x86's MMU notifier memslot walkers to generic
code")
This Fixes isn't correct. That change only affected x86, which doesn't have
this
bug. And looking at commit cd4c71835228 ("KVM: arm64: Convert to the gfn-based
MMU
notifier callbacks"), arm64 did NOT skip invalid slots
unfortunately make it sound like it's not an x86 issue. But who knows? I
guess it won't hurt in either case, as it's already in upstream stable.
Also looks like the affected systems do not have KSM turned on either
way, so it's quite unlikely to be the fix at this point.
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