From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: KVM: fix unmapping with 48-bit VAs
Date: Thu, 30 Oct 2014 09:08:55 +0000 [thread overview]
Message-ID: <54520027.5070002@arm.com> (raw)
In-Reply-To: <20141030090051.GA14686@cbox>
On 30/10/14 09:00, Christoffer Dall wrote:
> On Wed, Oct 29, 2014 at 10:39:45AM +0000, Marc Zyngier wrote:
>> Hi Mark,
>>
>> On 28/10/14 19:36, Mark Rutland wrote:
>>> Hi All,
>>>
>>> I'm not at all familiar with this code, so my analysis below might be off. Does
>>> this look right or am I just masking a more fundamental issue?
>>>
>>> I've given this a go with 4KiB pages on Juno with {39,48}-bit VAs and the
>>> system seems to boot fine.
>>
>> Thanks for looking into this.
>>
>
> yeah, sorry for missing this!
>
> [...]
>
>>
>> Looks good to me!
>>
>> Acked-by: Marc Zyngier <marc.zyngier@arm.com>
>>
>> Christoffer, if you're OK with that one, I'll queue it up for the next -rc.
>>
> Yup (for the record we're not breaking anything because 48 bit VA still
> depends on broken, right?):
Since 04f905a (arm64: Allow 48-bits VA space without ARM_SMMU), we can
select 48bit VA if the SMMU is not selected.
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2014-10-30 9:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-28 19:36 [PATCH] arm64: KVM: fix unmapping with 48-bit VAs Mark Rutland
2014-10-29 10:39 ` Marc Zyngier
2014-10-30 9:00 ` Christoffer Dall
2014-10-30 9:08 ` Marc Zyngier [this message]
2014-10-30 9:15 ` Christoffer Dall
2014-10-30 9:23 ` Marc Zyngier
2014-10-30 9:29 ` Christoffer Dall
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