On Wed, 2015-12-02 at 18:41 +0100, Ard Biesheuvel wrote:
> Hi Pavel,
>
> Thanks for getting to the bottom of this.
>
> On 1 December 2015 at 14:03, Pavel Fedin <p.fedin@xxxxxxxxxxx> wrote:
> > This function takes stage-II physical addresses (A.K.A. IPA), on input, not
> > real physical addresses. This causes kvm_is_device_pfn() to return wrong
> > values, depending on how much guest and host memory maps match. This
> > results in completely broken KVM on some boards. The problem has been
> > caught on Samsung proprietary hardware.
> >
> > Cc: stable@xxxxxxxxxxxxxxx
> > Fixes: e6fab5442345 ("ARM/arm64: KVM: test properly for a PTE's uncachedness")
> >
>
> That commit is not in a release yet, so no need for cc stable
[...]
But it is cc'd to stable, so unless it is going to be nacked at review
stage, any subsequent fixes should also be cc'd.
Ben.
--
Ben Hutchings
For every action, there is an equal and opposite criticism. - HarrisonAttachment:
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