ACK: [SRU][Bionic][PATCH 0/2] Fixes for LP:1785675

[Kleber Souza]

On 08/31/18 15:55, Joseph Salisbury wrote:
> BugLink: https://bugs.launchpad.net/bugs/1785675
> 
> == SRU Justification ==
> IBM is requesting commit 76fa4975f3ed in powerpc as a security fix.
> This commit Fixes: 121f80ba68f1.  Commit 76fa4975f3ed also requires
> mainline commit 1463edca6734 as a prereq.
> 
> Both these commits have already been cc'd to upstream stable, but they
> have not landed in Bionic as of yet.
> 
> == Fixes ==
> 1463edca6734 ("vfio/spapr: Use IOMMU pageshift rather than pagesize")
> 76fa4975f3ed ("KVM: PPC: Check if IOMMU page is contained in the pinned physical page")
> 
> == Regression Potential ==
> Low.  These commits have also been sent to upstream stable, so have had
> additional upstream review.
> 
> == Test Case ==
> A test kernel was built with these patches and tested by the original bug reporter.
> The bug reporter states the test kernel resolved the bug.
> 
> Alexey Kardashevskiy (2):
>   vfio/spapr: Use IOMMU pageshift rather than pagesize
>   KVM: PPC: Check if IOMMU page is contained in the pinned physical page
> 
>  arch/powerpc/include/asm/mmu_context.h |  4 ++--
>  arch/powerpc/kvm/book3s_64_vio.c       |  2 +-
>  arch/powerpc/kvm/book3s_64_vio_hv.c    |  6 ++++--
>  arch/powerpc/mm/mmu_context_iommu.c    | 37 ++++++++++++++++++++++++++++++++--
>  drivers/vfio/vfio_iommu_spapr_tce.c    | 10 ++++-----
>  5 files changed, 47 insertions(+), 12 deletions(-)
> 

Good test results from reporter, limited to powerpc arch.

Acked-by: Kleber Sacilotto de Souza <kleber.souza at canonical.com>