Re: [PATCH 2/2 v2] ARM: KVM: user_mem_abort: support stage 2 MMIO page mapping

Marc Zyngier
2014-06-30T09:14:33Z

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...