Re: [Xen-devel] [PATCH v6 0/3] Set SMMU s2 input-size based on p2m tables

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2015-05-08 at 17:10 +1000, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.iglesias@xxxxxxxxxx>
> 
> Hi,
> 
> This is a fix for the issue I'm seeing on ZynqMP with missmatched
> setup of the SMMU and the shared p2m page-tables with the CPU.
> 
> This implements a global p2m_ipa_bits cap for S2 input-size as
> discussed in the previous RFC.

Acked + applied, thanks.

> 
> Best regards,
> Edgar
> 
> Changelog:
> v5 -> v6:
> * Remove const from ARM32 to fix the build.
> * Reuse p2m_ipa_bits in info print
> 
> v4 -> v5:
> * Make p2m_ipa_bits __read_mostly.
> * Make p2m_ipa_bits const for ARM32.
> 
> v3 -> v4:
> * Replace ASSERT on supported IPA sizes with returnig error.
> * Remove redundant 'addresses' after IPA.
> 
> v2 -> v3:
> * pfn -> ipa.
> * Fix typos in commit msg for 3/3.
> 
> v1 -> v2:
> * Use a global pfn bitsize instead of a per-domain one.
> 
> Edgar E. Iglesias (3):
>   xen/arm: Re-order iommu_setup to after setup_virt_paging
>   xen/arm: Add p2m_ipa_bits
>   xen/iommu: arm: Use p2m_ipa_bits as stage2 input size
> 
>  xen/arch/arm/p2m.c                 |  6 +++++-
>  xen/arch/arm/setup.c               |  4 ++--
>  xen/drivers/passthrough/arm/smmu.c | 10 ++++++++--
>  xen/include/asm-arm/p2m.h          |  3 +++
>  4 files changed, 18 insertions(+), 5 deletions(-)
> 



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