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@samsung.com> 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@vger.kernel.org
> > 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. - Harrison