Re: [PATCH 4.9 V2 09/24] ARM: spectre-v2: add firmware based hardening

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On 11/13/18 6:23 AM, Marc Zyngier wrote:
> Russell,
> 
> On Mon, 12 Nov 2018 16:54:10 +0000,
> Russell King - ARM Linux <linux@xxxxxxxxxxxxxxx> wrote:
>>
>> Marc,
>>
>> Can you please ack this to say that you are now happy with it after
>> your comments on version 1, so we can move forward and have Greg
>> merge it.
>>
>> Thanks.
>>
>> On Wed, Nov 07, 2018 at 11:43:47AM -0500, David Long wrote:
>>> From: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
>>>
>>> Commit 10115105cb3aa17b5da1cb726ae8dd5f6854bd93 upstream.
>>> Commit 6282e916f774e37845c65d1eae9f8c649004f033 upstream.
>>>
>>> Add firmware based hardening for cores that require more complex
>>> handling in firmware.
>>>
>>> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
>>> Boot-tested-by: Tony Lindgren <tony@xxxxxxxxxxx>
>>> Reviewed-by: Tony Lindgren <tony@xxxxxxxxxxx>
>>> Reviewed-by: Marc Zyngier <marc.zyngier@xxxxxxx>
>>> Signed-off-by: David A. Long <dave.long@xxxxxxxxxx>
> 
> Sure. Feel free to add my
> 
> Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx>
> 
> I assume someone has tested these patches (I haven't, and I'm unlikely
> to do so in the near future as I'm travelling). I'm not sure Tony's
> "Boot-tested-by" is still valid, and Florian's earlier set of tests
> didn't show the issues of the initial backport.

Correct, I was not testing any KVM path at all, which is why this did
not show up as a problem for me, I am not really well equipped to
perform KVM testing at the moment.
-- 
Florian



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