Hello Linus,
I've been trying for almost 3 weeks to get the patch at
http://lists.linuxfoundation.org/pipermail/iommu/2015-April/012757.html
into the IOMMU tree.
However, Joerg is not answering my emails for some reason (vacation/sick?)
This is a small patch to amd_iommu_v2.c, but it fixes a *big* bug, which
causes a kernel thread to be stuck and resources to not be freed.
As amdkfd (AMD HSA kernel driver) is the only client for amd_iommu_v2
driver, it effects only HSA systems. I would like to get this into 4.1
and I also marked it as stable for 4.0.
Could you please take a look, ack it and pull it to -rc3/4 ? I can send
you the patch again with git or I can also send it through Dave's drm
pull request if that's more convenient for you.
Thanks,
Oded
On 04/20/2015 09:23 AM, Oded Gabbay wrote:
Hi Joerg,
I sent to you (cc iommu mailing list) an important fix on Apr-16 for a
bug in amd_iommu_v2.c (from kernel 4.0). See:
http://lists.linuxfoundation.org/pipermail/iommu/2015-April/012757.html
Could you please add that to the pull request ?
Its creating problems when running HSA applications.
Thanks,
Oded
On 04/20/2015 05:34 AM, Joerg Roedel wrote:
Hi Linus,
The following changes since commit
e42391cd048809d903291d07f86ed3934ce138e9:
Linux 4.0-rc6 (2015-03-29 15:26:31 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
tags/iommu-updates-v4.1
for you to fetch changes up to 7f65ef01e131650d455875598099cd06fea6096b:
Merge branches 'iommu/fixes', 'x86/vt-d', 'x86/amd', 'arm/smmu',
'arm/tegra' and 'core' into next (2015-04-02 13:33:19 +0200)
----------------------------------------------------------------
IOMMU Updates for Linux v4.1
Not much this time, but the changes include:
* Moving domain allocation into the iommu drivers to prepare for
the introduction of default domains for devices
* Fixing the IO page-table code in the AMD IOMMU driver to
correctly encode large page sizes
* Extension of the PCI support in the ARM-SMMU driver
* Various fixes and cleanups
----------------------------------------------------------------
Dan Carpenter (1):
iommu/amd: Small cleanup in mn_release()
Joerg Roedel (27):
iommu: Introduce domain_alloc and domain_free iommu_ops
iommu: Introduce iommu domain types
iommu: Only allow iommu_map/unmap for paging domains
iommu/amd: Make use of domain_alloc and domain_free
iommu/vt-d: Make use of domain_alloc and domain_free
iommu/omap: Make use of domain_alloc and domain_free
iommu/arm-smmu: Make use of domain_alloc and domain_free
iommu/exynos: Make use of domain_alloc and domain_free
iommu/tegra-smmu: Make use of domain_alloc and domain_free
iommu/tegra-gart: Make use of domain_alloc and domain_free
iommu/msm: Make use of domain_alloc and domain_free
iommu/shmobile: Make use of domain_alloc and domain_free
iommu/ipmmu-vmsa: Make use of domain_alloc and domain_free
iommu/rockchip: Make use of domain_alloc and domain_free
iommu/fsl: Make use of domain_alloc and domain_free
iommu: Remove domain_init and domain_free iommu_ops
Merge branch 'for-joerg/arm-smmu/updates' of
git://git.kernel.org/.../will/linux into arm/smmu
iommu/amd: Use BUS_NOTIFY_REMOVED_DEVICE
iommu/amd: Ignore BUS_NOTIFY_UNBOUND_DRIVER event
iommu/amd: Don't allocate with __GFP_ZERO in alloc_coherent
iommu/amd: Add support for contiguous dma allocator
iommu/amd: Return the pte page-size in fetch_pte
iommu/amd: Optimize iommu_unmap_page for new fetch_pte interface
iommu/amd: Optimize alloc_new_range for new fetch_pte interface
iommu/amd: Optimize amd_iommu_iova_to_phys for new fetch_pte
interface
iommu/amd: Correctly encode huge pages in iommu page tables
Merge branches 'iommu/fixes', 'x86/vt-d', 'x86/amd',
'arm/smmu', 'arm/tegra' and 'core' into next
Quentin Lambert (1):
iommu/vt-d: Convert non-returned local variable to boolean when
relevant
Robin Murphy (1):
iommu/arm-smmu: set a more appropriate DMA mask
Thierry Reding (3):
iommu/tegra: Setup aperture
iommu/tegra: gart: Set aperture at domain initialization time
iommu/tegra: smmu: Compute PFN mask at runtime
Will Deacon (3):
iommu/arm-smmu: ensure CBA2R is initialised before CBAR on SMMUv2
iommu/arm-smmu: handle multi-alias IOMMU groups for PCI devices
iommu/io-pgtable-arm: avoid speculative walks through TTBR1
drivers/iommu/amd_iommu.c | 250
++++++++++++++++++------------------
drivers/iommu/amd_iommu_types.h | 13 +-
drivers/iommu/amd_iommu_v2.c | 2 +-
drivers/iommu/arm-smmu.c | 180 ++++++++++++++++----------
drivers/iommu/exynos-iommu.c | 87 +++++++------
drivers/iommu/fsl_pamu_domain.c | 60 +++++----
drivers/iommu/fsl_pamu_domain.h | 2 +-
drivers/iommu/intel-iommu.c | 68 +++++-----
drivers/iommu/intel_irq_remapping.c | 12 +-
drivers/iommu/io-pgtable-arm.c | 5 +
drivers/iommu/iommu.c | 26 ++--
drivers/iommu/ipmmu-vmsa.c | 42 +++---
drivers/iommu/msm_iommu.c | 73 ++++++-----
drivers/iommu/omap-iommu.c | 49 ++++---
drivers/iommu/rockchip-iommu.c | 40 +++---
drivers/iommu/shmobile-iommu.c | 39 +++---
drivers/iommu/tegra-gart.c | 88 ++++++++-----
drivers/iommu/tegra-smmu.c | 59 +++++----
include/linux/iommu.h | 33 ++++-
19 files changed, 644 insertions(+), 484 deletions(-)
Please pull.
Thanks,
Joerg
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