ACK: [SRU][Bionic][PATCH 0/2] Fixes for LP:1785675
Stefan Bader
stefan.bader at canonical.com
Wed Sep 5 12:52:44 UTC 2018
On 31.08.2018 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(-)
>
Acked-by: Stefan Bader <stefan.bader at canonical.com>
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