Re: [PATCH RESEND v3] iommu/tegra-smmu: Add missing locks around mapping operations

From: Sasha Levin <sashal@kernel.org>
To: Sasha Levin <sashal@kernel.org>
To: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: linux-tegra@vger.kernel.org, iommu@lists.linux-foundation.org,
	stable@vger.kernel.org
Subject: Re: [PATCH RESEND v3] iommu/tegra-smmu: Add missing locks around mapping operations
Date: Wed, 26 Aug 2020 13:54:04 +0000	[thread overview]
Message-ID: <20200826135404.A7215208E4@mail.kernel.org> (raw)
In-Reply-To: <20200814162252.31965-1-digetx@gmail.com>

Hi

[This is an automated email]

This commit has been processed because it contains a -stable tag.
The stable tag indicates that it's relevant for the following trees: all

The bot has tested the following trees: v5.8.2, v5.7.16, v5.4.59, v4.19.140, v4.14.193, v4.9.232, v4.4.232.

v5.8.2: Build OK!
v5.7.16: Build OK!
v5.4.59: Failed to apply! Possible dependencies:
    781ca2de89ba ("iommu: Add gfp parameter to iommu_ops::map")

v4.19.140: Failed to apply! Possible dependencies:
    06d60728ff5c ("iommu/dma: move the arm64 wrappers to common code")
    44f6876a00e8 ("iommu/arm-smmu: Support non-strict mode")
    46053c736854 ("dma-mapping: clear dev->dma_ops in arch_teardown_dma_ops")
    781ca2de89ba ("iommu: Add gfp parameter to iommu_ops::map")
    886643b76632 ("arm64: use the generic swiotlb_dma_ops")
    92aec09cc879 ("iommu/dma: Move __iommu_dma_map")
    96a299d24cfb ("iommu/arm-smmu: Add pm_runtime/sleep ops")
    c4dae366925f ("swiotlb: refactor swiotlb_map_page")
    d4a44f0750bb ("iommu/arm-smmu: Invoke pm_runtime across the driver")
    dff8d6c1ed58 ("swiotlb: remove the overflow buffer")
    fafadcd16595 ("swiotlb: don't dip into swiotlb pool for coherent allocations")

v4.14.193: Failed to apply! Possible dependencies:
    06d60728ff5c ("iommu/dma: move the arm64 wrappers to common code")
    10dac04c79b1 ("mips: fix an off-by-one in dma_capable")
    32b124492bdf ("iommu/io-pgtable-arm: Convert to IOMMU API TLB sync")
    32ce3862af3c ("powerpc/lib: Implement PMEM API")
    44f6876a00e8 ("iommu/arm-smmu: Support non-strict mode")
    781ca2de89ba ("iommu: Add gfp parameter to iommu_ops::map")
    92aec09cc879 ("iommu/dma: Move __iommu_dma_map")
    96a299d24cfb ("iommu/arm-smmu: Add pm_runtime/sleep ops")
    d4a44f0750bb ("iommu/arm-smmu: Invoke pm_runtime across the driver")
    ea8c64ace866 ("dma-mapping: move swiotlb arch helpers to a new header")

v4.9.232: Failed to apply! Possible dependencies:
    125458ab3aef ("iommu/arm-smmu: Fix 16-bit ASID configuration")
    280b683ceace ("iommu/arm-smmu: Simplify ASID/VMID handling")
    32b124492bdf ("iommu/io-pgtable-arm: Convert to IOMMU API TLB sync")
    3677a649a751 ("iommu/arm-smmu: Fix for ThunderX erratum #27704")
    44f6876a00e8 ("iommu/arm-smmu: Support non-strict mode")
    452107c79035 ("iommu/arm-smmu: Tidy up context bank indexing")
    523d7423e21b ("iommu/arm-smmu: Remove io-pgtable spinlock")
    58188afeb727 ("iommu/arm-smmu-v3: Remove io-pgtable spinlock")
    61bc671179f1 ("iommu/arm-smmu: Install bypass S2CRs for IOMMU_DOMAIN_IDENTITY domains")
    781ca2de89ba ("iommu: Add gfp parameter to iommu_ops::map")
    bdf95923086f ("iommu/arm-smmu: Return IOVA in iova_to_phys when SMMU is bypassed")
    d4a44f0750bb ("iommu/arm-smmu: Invoke pm_runtime across the driver")

v4.4.232: Failed to apply! Possible dependencies:
    267b62a96951 ("clk: tegra: pll: Update PLLM handling")
    287980e49ffc ("remove lots of IS_ERR_VALUE abuses")
    407254da291c ("clk: tegra: pll: Add logic for out-of-table rates for T210")
    56fd27b31f1a ("clk: tegra: pll: Change misc_reg count from 3 to 6")
    58188afeb727 ("iommu/arm-smmu-v3: Remove io-pgtable spinlock")
    6583a6309e83 ("clk: tegra: pll: Add tegra_pll_wait_for_lock to clk header")
    6929715cf6b9 ("clk: tegra: pll: Add support for PLLMB for Tegra210")
    6b301a059eb2 ("clk: tegra: Add support for Tegra210 clocks")
    781ca2de89ba ("iommu: Add gfp parameter to iommu_ops::map")
    7db864c9deb2 ("clk: tegra: pll: Simplify clk_enable_path")
    8cfb0cdf07e2 ("ACPI / debugger: Add IO interface to access debugger functionalities")
    8f78515425da ("iommu/arm-smmu: Implement of_xlate() for SMMUv3")
    9adb95949a34 ("iommu/arm-smmu: Support DMA-API domains")
    bc7f2ce0a7b5 ("iommu/arm-smmu: Don't fail device attach if already attached to a domain")
    bdf95923086f ("iommu/arm-smmu: Return IOVA in iova_to_phys when SMMU is bypassed")
    d907f4b4a178 ("clk: tegra: pll: Add logic for handling SDM data")
    f8d31489629c ("ACPICA: Debugger: Convert some mechanisms to OSPM specific")

NOTE: The patch will not be queued to stable trees until it is upstream.

How should we proceed with this patch?

-- 
Thanks
Sasha
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu