[PATCH v2] kvm: arm: Enforce some NS-SVC initialisation

[Robin Murphy]

Hi Christoffer,

On 06/09/16 17:41, Christoffer Dall wrote:
> On Wed, Aug 17, 2016 at 01:32:49PM +0200, Christoffer Dall wrote:
>> Hi Russell,
>>
>> On Tue, Aug 16, 2016 at 06:49:18PM +0100, Robin Murphy wrote:
>>> Since the non-secure copies of banked registers lack architecturally
>>> defined reset values, there is no actual guarantee when entering in Hyp
>>> from secure-only firmware that the Non-Secure PL1 state will look the
>>> way that kernel entry (in particular the decompressor stub) expects.
>>> So far, we've been getting away with it thanks to implementation details
>>> of ARMv7 cores and/or bootloader behaviour, but for the sake of forwards
>>> compatibility let's try to ensure that we have a minimally sane state
>>> before dropping down into it.
>>>
>>> Signed-off-by: Robin Murphy <robin.murphy at arm.com>
>>
>> Can we have your acked-by on this patch to merge it via the KVM tree or
>> do you prefer merging this one directly yourself?
>>
> I have queued this via the KVM/ARM tree.  If you have any objections,
> please let me know asap.

Ah, I should have replied on this thread - I put this one into Russell's
patch system the other week, and it's in -next already.

Sorry for the lack of communication,
Robin.

> 
> Thanks,
> -Christoffer
>