[pve-devel] [PATCH pve-kernel 2/2] cherry-pick fix for uefi guests hanging upon guest-initialized reboot

[Stefan Hanreich]

On 8/25/23 09:35, Fiona Ebner wrote:
> The mentioned commits and reading in the mail thread
> 
>>> Cc: stable at 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.