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Re: [PATCH v2 00/17] kvm-arm: Add stage2 page table walker

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  Re: [PATCH v2 00/17] kvm-arm: Add stage2 page table walker Suzuki K Poulose <Suzuki.Poulose@arm.com> - 2016-04-14 15:30 +0200
    Re: [PATCH v2 00/17] kvm-arm: Add stage2 page table walker Christoffer Dall <christoffer.dall@linaro.org> - 2016-04-14 18:10 +0200
      Re: [PATCH v2 00/17] kvm-arm: Add stage2 page table walker Marc Zyngier <marc.zyngier@arm.com> - 2016-04-14 18:20 +0200
      Re: [PATCH v2 00/17] kvm-arm: Add stage2 page table walker Suzuki K Poulose <Suzuki.Poulose@arm.com> - 2016-04-14 18:20 +0200
        Re: [PATCH v2 00/17] kvm-arm: Add stage2 page table walker Christoffer Dall <christoffer.dall@linaro.org> - 2016-04-14 18:50 +0200
          Re: [PATCH v2 00/17] kvm-arm: Add stage2 page table walker Suzuki K Poulose <Suzuki.Poulose@arm.com> - 2016-04-14 19:00 +0200

#1378842 — Re: [PATCH v2 00/17] kvm-arm: Add stage2 page table walker

On 14/04/16 14:20, Suzuki K Poulose wrote:
> This series adds support for stage2 page table helpers and makes
> the core kvm-arm MMU code make use of it. At the moment we assume
> that the host/hyp and the stage2 page tables have same number of
> levels and hence use the host level accessors (except for some
> hooks, e.g kvm_p.d_addr_end) and shares the routines for unmapping
> the page table ranges.

> The tree is available at :
>        git://linux-arm.org/linux-skp.git kvm-stage2/v2

Please note that the tree above contains one additional patch on top of kvmarm/master :
commit	91ad0db16a42a7d3("arm64/sunxi: 4.6-rc1: Add dependency on generic irq chip"),
which is there to fix a build break with ARCH_SUNXI selected on 4.6-rc1.

Thanks
Suzuki

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#1379060

On Thu, Apr 14, 2016 at 02:29:22PM +0100, Suzuki K Poulose wrote:
> On 14/04/16 14:20, Suzuki K Poulose wrote:
> >This series adds support for stage2 page table helpers and makes
> >the core kvm-arm MMU code make use of it. At the moment we assume
> >that the host/hyp and the stage2 page tables have same number of
> >levels and hence use the host level accessors (except for some
> >hooks, e.g kvm_p.d_addr_end) and shares the routines for unmapping
> >the page table ranges.
> 
> >The tree is available at :
> >       git://linux-arm.org/linux-skp.git kvm-stage2/v2
> 
> Please note that the tree above contains one additional patch on top of kvmarm/master :
> commit	91ad0db16a42a7d3("arm64/sunxi: 4.6-rc1: Add dependency on generic irq chip"),
> which is there to fix a build break with ARCH_SUNXI selected on 4.6-rc1.
> 
ok, but I can just build/test this without ARCH_SUNXI and pick the
remains of this series only for kvmarm/next, as far as I can tell,
right?

Marc, seems like you're happy with this series as well?


Will/Catalin:
How do we attack this for the arm64 specific parts?

Do you want to ack this patches and I queue this as a whole or do you
want to apply patches 1, 2, and 3 and provide me a stable branch that I
can base this on?

Thanks,
-Christoffer

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#1379067

On 14/04/16 17:03, Christoffer Dall wrote:
> On Thu, Apr 14, 2016 at 02:29:22PM +0100, Suzuki K Poulose wrote:
>> On 14/04/16 14:20, Suzuki K Poulose wrote:
>>> This series adds support for stage2 page table helpers and makes
>>> the core kvm-arm MMU code make use of it. At the moment we assume
>>> that the host/hyp and the stage2 page tables have same number of
>>> levels and hence use the host level accessors (except for some
>>> hooks, e.g kvm_p.d_addr_end) and shares the routines for unmapping
>>> the page table ranges.
>>
>>> The tree is available at :
>>>       git://linux-arm.org/linux-skp.git kvm-stage2/v2
>>
>> Please note that the tree above contains one additional patch on top of kvmarm/master :
>> commit	91ad0db16a42a7d3("arm64/sunxi: 4.6-rc1: Add dependency on generic irq chip"),
>> which is there to fix a build break with ARCH_SUNXI selected on 4.6-rc1.
>>
> ok, but I can just build/test this without ARCH_SUNXI and pick the
> remains of this series only for kvmarm/next, as far as I can tell,
> right?

Yup.

> Marc, seems like you're happy with this series as well?

Very. I'm still going through the last patches, but so far it looks great.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...

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#1379068

On 14/04/16 17:03, Christoffer Dall wrote:
> On Thu, Apr 14, 2016 at 02:29:22PM +0100, Suzuki K Poulose wrote:
>> On 14/04/16 14:20, Suzuki K Poulose wrote:
>>> This series adds support for stage2 page table helpers and makes
>>> the core kvm-arm MMU code make use of it. At the moment we assume
>>> that the host/hyp and the stage2 page tables have same number of
>>> levels and hence use the host level accessors (except for some
>>> hooks, e.g kvm_p.d_addr_end) and shares the routines for unmapping
>>> the page table ranges.
>>
>>> The tree is available at :
>>>        git://linux-arm.org/linux-skp.git kvm-stage2/v2
>>
>> Please note that the tree above contains one additional patch on top of kvmarm/master :
>> commit	91ad0db16a42a7d3("arm64/sunxi: 4.6-rc1: Add dependency on generic irq chip"),
>> which is there to fix a build break with ARCH_SUNXI selected on 4.6-rc1.
>>
> ok, but I can just build/test this without ARCH_SUNXI and pick the
> remains of this series only for kvmarm/next, as far as I can tell,
> right?

Definitely. Its something that got carried over from my tree on top of 4.6-c1.
You can pick this series from there or use the new branch (which I just pushed)
- kvm-stage2/v2.1 - ,removing the ARCH_SUNXI patch.

/me should have silently fixed the branch ! Sorry about that

Cheers
Suzuki

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#1379091

On Thu, Apr 14, 2016 at 05:11:11PM +0100, Suzuki K Poulose wrote:
> On 14/04/16 17:03, Christoffer Dall wrote:
> >On Thu, Apr 14, 2016 at 02:29:22PM +0100, Suzuki K Poulose wrote:
> >>On 14/04/16 14:20, Suzuki K Poulose wrote:
> >>>This series adds support for stage2 page table helpers and makes
> >>>the core kvm-arm MMU code make use of it. At the moment we assume
> >>>that the host/hyp and the stage2 page tables have same number of
> >>>levels and hence use the host level accessors (except for some
> >>>hooks, e.g kvm_p.d_addr_end) and shares the routines for unmapping
> >>>the page table ranges.
> >>
> >>>The tree is available at :
> >>>       git://linux-arm.org/linux-skp.git kvm-stage2/v2
> >>
> >>Please note that the tree above contains one additional patch on top of kvmarm/master :
> >>commit	91ad0db16a42a7d3("arm64/sunxi: 4.6-rc1: Add dependency on generic irq chip"),
> >>which is there to fix a build break with ARCH_SUNXI selected on 4.6-rc1.
> >>
> >ok, but I can just build/test this without ARCH_SUNXI and pick the
> >remains of this series only for kvmarm/next, as far as I can tell,
> >right?
> 
> Definitely. Its something that got carried over from my tree on top of 4.6-c1.
> You can pick this series from there or use the new branch (which I just pushed)
> - kvm-stage2/v2.1 - ,removing the ARCH_SUNXI patch.
> 
> /me should have silently fixed the branch ! Sorry about that
> 
No worries.  I pushed the stuff I picked from your previous branch plus
the changes to bool values that Marc asked for (and added my
signed-off-by to those) and put it all on kvmarm/queue:

git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git queue


Thanks,
-Christoffer

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#1379114

On 14/04/16 17:41, Christoffer Dall wrote:
> No worries.  I pushed the stuff I picked from your previous branch plus
> the changes to bool values that Marc asked for (and added my
> signed-off-by to those) and put it all on kvmarm/queue:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git queue

Thanks !

Suzuki

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