From: Marc Zyngier <marc.zyngier@arm.com>
To: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Will Deacon <Will.Deacon@arm.com>,
Kim Phillips <kim.phillips@freescale.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Eric Auger <eric.auger@linaro.org>,
Kim Phillips <kim.phillips@linaro.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Alex Williamson <alex.williamson@redhat.com>,
Antonios Motakis <a.motakis@virtualopensystems.com>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 2/2 v2] ARM: KVM: user_mem_abort: support stage 2 MMIO page mapping
Date: Mon, 30 Jun 2014 10:14:18 +0100 [thread overview]
Message-ID: <53B12A6A.5050105@arm.com> (raw)
In-Reply-To: <20140630090843.GB9233@cbox>
On 30/06/14 10:08, Christoffer Dall wrote:
> On Thu, Jun 26, 2014 at 09:46:26AM +0100, Will Deacon wrote:
>> On Thu, Jun 26, 2014 at 01:45:51AM +0100, Kim Phillips wrote:
>>> From: Kim Phillips <kim.phillips@linaro.org>
>>>
>>> A userspace process can map device MMIO memory via VFIO or /dev/mem,
>>> e.g., for platform device passthrough support in QEMU.
>>>
>>> During early development, we found the PAGE_S2 memory type being used
>>> for MMIO mappings. This patch corrects that by using the more strongly
>>> ordered memory type for device MMIO mappings: PAGE_S2_DEVICE.
>>>
>>> Signed-off-by: Kim Phillips <kim.phillips@linaro.org>
>>> Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
>>> ---
>>> Hi, here's a v2, upon request:
>>>
>>> - rebased onto today's mainline ToT
>>> - mmu.o-build tested only (ToT build doesn't complete)
>>> - made commit text less terse
>>> - added Christoffer's ack
>>
>> Thanks for reposting this so quickly!
>>
>> Acked-by: Will Deacon <will.deacon@arm.com>
>>
> Thanks,
>
> Marc, will you apply this one to kvmarm/queue [and kvmarm/next]?
Yup, adding it.
M.
--
Jazz is not dead. It just smells funny...
prev parent reply other threads:[~2014-06-30 9:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-25 22:08 [PATCH 1/2] ARM: KVM: Enable the KVM-VFIO device Kim Phillips
2014-03-25 22:08 ` [PATCH 2/2] ARM: KVM: user_mem_abort: support stage 2 MMIO page mapping Kim Phillips
2014-05-06 18:04 ` Christoffer Dall
2014-05-07 9:00 ` Marc Zyngier
2014-05-07 14:55 ` Christoffer Dall
2014-06-24 10:23 ` Will Deacon
2014-06-24 10:39 ` Marc Zyngier
2014-06-26 0:45 ` [PATCH 2/2 v2] " Kim Phillips
2014-06-26 8:46 ` Will Deacon
2014-06-30 9:08 ` Christoffer Dall
2014-06-30 9:14 ` Marc Zyngier [this message]
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