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Message-ID: <5545027B.1010704@amd.com> Date: Sat, 2 May 2015 19:59:39 +0300 From: Oded Gabbay <oded.gabbay@....com> To: Joerg Roedel <joro@...tes.org>, Linus Torvalds <torvalds@...ux-foundation.org> CC: <linux-kernel@...r.kernel.org>, <iommu@...ts.linux-foundation.org> Subject: Re: [git pull] IOMMU Updates for Linux v4.1 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 >> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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