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2023-02-03iommu/exynos: Add missing set_platform_dma_ops callbackMarek Szyprowski
Add set_platform_dma_ops() required for proper driver operation on ARM 32bit arch after recent changes in the IOMMU framework (detach ops removal). Fixes: c1fe9119ee70 ("iommu: Add set_platform_dma_ops callbacks") Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20230123093102.12392-1-m.szyprowski@samsung.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25Merge branch 'iommu-memory-accounting' into coreJoerg Roedel
Merge patch-set from Jason: "Let iommufd charge IOPTE allocations to the memory cgroup" Description: IOMMUFD follows the same design as KVM and uses memory cgroups to limit the amount of kernel memory a iommufd file descriptor can pin down. The various internal data structures already use GFP_KERNEL_ACCOUNT to charge its own memory. However, one of the biggest consumers of kernel memory is the IOPTEs stored under the iommu_domain and these allocations are not tracked. This series is the first step in fixing it. The iommu driver contract already includes a 'gfp' argument to the map_pages op, allowing iommufd to specify GFP_KERNEL_ACCOUNT and then having the driver allocate the IOPTE tables with that flag will capture a significant amount of the allocations. Update the iommu_map() API to pass in the GFP argument, and fix all call sites. Replace iommu_map_atomic(). Audit the "enterprise" iommu drivers to make sure they do the right thing. Intel and S390 ignore the GFP argument and always use GFP_ATOMIC. This is problematic for iommufd anyhow, so fix it. AMD and ARM SMMUv2/3 are already correct. A follow up series will be needed to capture the allocations made when the iommu_domain itself is allocated, which will complete the job. Link: https://lore.kernel.org/linux-iommu/0-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com/
2023-01-25iommu/s390: Use GFP_KERNEL in sleepable contextsJason Gunthorpe
These contexts are sleepable, so use the proper annotation. The GFP_ATOMIC was added mechanically in the prior patches. Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com> Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/10-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25iommu/s390: Push the gfp parameter to the kmem_cache_alloc()'sJason Gunthorpe
dma_alloc_cpu_table() and dma_alloc_page_table() are eventually called by iommufd through s390_iommu_map_pages() and it should not be forced to atomic. Thread the gfp parameter through the call chain starting from s390_iommu_map_pages(). Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com> Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/9-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25iommu/intel: Use GFP_KERNEL in sleepable contextsJason Gunthorpe
These contexts are sleepable, so use the proper annotation. The GFP_ATOMIC was added mechanically in the prior patches. Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/8-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25iommu/intel: Support the gfp argument to the map_pages opJason Gunthorpe
Flow it down to alloc_pgtable_page() via pfn_to_dma_pte() and __domain_mapping(). Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/7-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25iommu/intel: Add a gfp parameter to alloc_pgtable_page()Jason Gunthorpe
This is eventually called by iommufd through intel_iommu_map_pages() and it should not be forced to atomic. Push the GFP_ATOMIC to all callers. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/6-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25iommufd: Use GFP_KERNEL_ACCOUNT for iommu_map()Jason Gunthorpe
iommufd follows the same design as KVM and uses memory cgroups to limit the amount of kernel memory a iommufd file descriptor can pin down. The various internal data structures already use GFP_KERNEL_ACCOUNT. However, one of the biggest consumers of kernel memory is the IOPTEs stored under the iommu_domain. Many drivers will allocate these at iommu_map() time and will trivially do the right thing if we pass in GFP_KERNEL_ACCOUNT. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/5-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25iommu/dma: Use the gfp parameter in __iommu_dma_alloc_noncontiguous()Jason Gunthorpe
This function does an allocation of a buffer to return to the caller and then goes on to allocate some internal memory, eg the scatterlist and IOPTEs. Instead of hard wiring GFP_KERNEL and a wrong GFP_ATOMIC, continue to use the passed in gfp flags for all of the allocations. Clear the zone and policy bits that are only relevant for the buffer allocation before re-using them for internal allocations. Auditing says this is never called from an atomic context, so the GFP_ATOMIC is the incorrect flag. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/4-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25iommu: Add a gfp parameter to iommu_map_sg()Jason Gunthorpe
Follow the pattern for iommu_map() and remove iommu_map_sg_atomic(). This allows __iommu_dma_alloc_noncontiguous() to use a GFP_KERNEL allocation here, based on the provided gfp flags. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/3-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25iommu: Remove iommu_map_atomic()Jason Gunthorpe
There is only one call site and it can now just pass the GFP_ATOMIC to the normal iommu_map(). Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/2-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25iommu: Add a gfp parameter to iommu_map()Jason Gunthorpe
The internal mechanisms support this, but instead of exposting the gfp to the caller it wrappers it into iommu_map() and iommu_map_atomic() Fix this instead of adding more variants for GFP_KERNEL_ACCOUNT. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/1-v3-76b587fe28df+6e3-iommu_map_gfp_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25iommu: dma: Use of_iommu_get_resv_regions()Thierry Reding
For device tree nodes, use the standard of_iommu_get_resv_regions() implementation to obtain the reserved memory regions associated with a device. Cc: Rob Herring <robh+dt@kernel.org> Cc: Frank Rowand <frowand.list@gmail.com> Cc: devicetree@vger.kernel.org Acked-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20230120174251.4004100-5-thierry.reding@gmail.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25iommu: Implement of_iommu_get_resv_regions()Thierry Reding
This is an implementation that IOMMU drivers can use to obtain reserved memory regions from a device tree node. It uses the reserved-memory DT bindings to find the regions associated with a given device. If these regions are marked accordingly, identity mappings will be created for them in the IOMMU domain that the devices will be attached to. Cc: Frank Rowand <frowand.list@gmail.com> Cc: devicetree@vger.kernel.org Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20230120174251.4004100-4-thierry.reding@gmail.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-25of: Introduce of_translate_dma_region()Thierry Reding
This function is similar to of_translate_dma_address() but also reads a length in addition to an address from a device tree property. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20230120174251.4004100-2-thierry.reding@gmail.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-13iommu/fsl_pamu: Fix compile error after adding set_platform_dma_opsJoerg Roedel
The struct initializer for set_platform_dma_ops uses a semicolon as separator where a comma is required. Fix the compile error by using the correct separator. Fixes: c1fe9119ee70 ("iommu: Add set_platform_dma_ops callbacks") Signed-off-by: Joerg Roedel <jroedel@suse.de> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/20230113191528.23638-1-joro@8bytes.org
2023-01-13iommu/ipmmu-vmsa: Remove ipmmu_utlb_disable()Joerg Roedel
The function is unused after commit 1b932ceddd19 ("iommu: Remove detach_dev callbacks") and so compilation fails with drivers/iommu/ipmmu-vmsa.c:305:13: error: ‘ipmmu_utlb_disable’ defined but not used [-Werror=unused-function] 305 | static void ipmmu_utlb_disable(struct ipmmu_vmsa_domain *domain, | ^~~~~~~~~~~~~~~~~~ Remove the function to fix the compile error. Fixes: 1b932ceddd19 ("iommu: Remove detach_dev callbacks") Signed-off-by: Joerg Roedel <jroedel@suse.de> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/20230113185640.8050-1-joro@8bytes.org
2023-01-13iommu: Tidy up io-pgtable dependenciesRobin Murphy
Some io-pgtable implementations, and thus their users too, carry a slightly odd dependency to get around the GENERIC_ATOMIC64 version of cmpxchg64() often failing to compile. Since this is a functional dependency, it's a bit misleading and untidy to tie it explicitly to COMPILE_TEST while assuming that it's also implied by the other platform/architecture options. Make things clearer by separating these functional dependencies into distinct statements from those controlling visibility, and since they do look a bit non-obvious to the uninitiated, also commenting them for good measure. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/51d8c78e2ecc6696ac5907526580209ea6da167f.1673553587.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-13iommu: Remove detach_dev callbackLu Baolu
The detach_dev callback of domain ops is not called in the IOMMU core. Remove this callback to avoid dead code. The trace event for detaching domain from device is removed accordingly. Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20230110025408.667767-6-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-13iommu: Remove deferred attach check from __iommu_detach_device()Jason Gunthorpe
At the current moment, __iommu_detach_device() is only called via call chains that are after the device driver is attached - eg via explicit attach APIs called by the device driver. Commit bd421264ed30 ("iommu: Fix deferred domain attachment") has removed deferred domain attachment check from __iommu_attach_device() path, so it should just unconditionally work in the __iommu_detach_device() path. It actually looks like a bug that we were blocking detach on these paths since the attach was unconditional and the caller is going to free the (probably) UNAMANGED domain once this returns. The only place we should be testing for deferred attach is during the initial point the dma device is linked to the group, and then again during the dma api calls. Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20230110025408.667767-5-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-13iommu: Add set_platform_dma_ops callbacksLu Baolu
For those IOMMU drivers that don't provide default domain support, add an implementation of set_platform_dma_ops callback so that the IOMMU core could return the DMA control to platform DMA ops. At the same time, with the set_platform_dma_ops implemented, there is no need for detach_dev. Remove it to avoid dead code. Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20230110025408.667767-4-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-13iommu: Add set_platform_dma_ops iommu opsLu Baolu
When VFIO finishes assigning a device to user space and calls iommu_group_release_dma_owner() to return the device to kernel, the IOMMU core will attach the default domain to the device. Unfortunately, some IOMMU drivers don't support default domain, hence in the end, the core calls .detach_dev instead. This adds set_platform_dma_ops iommu ops to make it clear that what it does is returning control back to the platform DMA ops. Suggested-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20230110025408.667767-3-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-13iommu: Remove detach_dev callbacksLu Baolu
The iommu core calls the driver's detach_dev domain op callback only when a device is finished assigning to user space and iommu_group_release_dma_owner() is called to return the device to the kernel, where iommu core wants to set the default domain to the device but the driver didn't provide one. In other words, if any iommu driver provides default domain support, the .detach_dev callback will never be called. This removes the detach_dev callbacks in those IOMMU drivers that support default domain. Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Sven Peter <sven@svenpeter.dev> # apple-dart Acked-by: Chunyan Zhang <zhang.lyra@gmail.com> # sprd Reviewed-by: Vasant Hegde <vasant.hegde@amd.com> # amd Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20230110025408.667767-2-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-01-07Merge tag 'devicetree-fixes-for-6.2-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: - Fix DT memory scanning for some MIPS boards when memory is not specified in DT - Redo CONFIG_CMDLINE* handling for missing /chosen node. The first attempt broke PS3 (and possibly other PPC platforms). - Fix constraints in QCom Soundwire schema * tag 'devicetree-fixes-for-6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: of: fdt: Honor CONFIG_CMDLINE* even without /chosen node, take 2 Revert "of: fdt: Honor CONFIG_CMDLINE* even without /chosen node" dt-bindings: soundwire: qcom,soundwire: correct sizes related to number of ports of/fdt: run soc memory setup when early_init_dt_scan_memory fails
2023-01-07Merge tag 'usb-6.2-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are some small USB driver fixes for 6.2-rc3 that resolve some reported issues. They include: - of-reported ulpi problem, so the offending commit is reverted - dwc3 driver bugfixes for recent changes - fotg210 fixes Most of these have been in linux-next for a while, the last few were on the mailing list for a long time and passed all the 0-day bot testing so all should be fine with them as well" * tag 'usb-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: dwc3: gadget: Ignore End Transfer delay on teardown usb: dwc3: xilinx: include linux/gpio/consumer.h usb: fotg210-udc: fix error return code in fotg210_udc_probe() usb: fotg210: fix OTG-only build Revert "usb: ulpi: defer ulpi_register on ulpi_read_id timeout"
2023-01-07Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds
Pull rdma fixes from Jason Gunthorpe: "Most noticeable is that Yishai found a big data corruption regression due to a change in the scatterlist: - Do not wrongly combine non-contiguous pages in scatterlist - Fix compilation warnings on gcc 13 - Oops when using some mlx5 stats - Bad enforcement of atomic responder resources in mlx5" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: lib/scatterlist: Fix to merge contiguous pages into the last SG properly RDMA/mlx5: Fix validation of max_rd_atomic caps for DC RDMA/mlx5: Fix mlx5_ib_get_hw_stats when used for device RDMA/srp: Move large values to a new enum for gcc13
2023-01-06Merge tag 'drm-fixes-2023-01-06' of git://anongit.freedesktop.org/drm/drmLinus Torvalds
Pull drm fixes from Daniel Vetter: "Still not much, but more than last week. Dave should be back next week from the beaching. drivers: - i915-gvt fixes - amdgpu/kfd fixes - panfrost bo refcounting fix - meson afbc corruption fix - imx plane width fix core: - drm/sched fixes - drm/mm kunit test fix - dma-buf export error handling fixes" * tag 'drm-fixes-2023-01-06' of git://anongit.freedesktop.org/drm/drm: Revert "drm/amd/display: Enable Freesync Video Mode by default" drm/i915/gvt: fix double free bug in split_2MB_gtt_entry drm/i915/gvt: use atomic operations to change the vGPU status drm/i915/gvt: fix vgpu debugfs clean in remove drm/i915/gvt: fix gvt debugfs destroy drm/i915: unpin on error in intel_vgpu_shadow_mm_pin() drm/amd/display: Uninitialized variables causing 4k60 UCLK to stay at DPM1 and not DPM0 drm/amdkfd: Fix kernel warning during topology setup drm/scheduler: Fix lockup in drm_sched_entity_kill() drm/imx: ipuv3-plane: Fix overlay plane width drm/scheduler: Fix lockup in drm_sched_entity_kill() drm/virtio: Fix memory leak in virtio_gpu_object_create() drm/meson: Reduce the FIFO lines held when AFBC is not used drm/tests: reduce drm_mm_test stack usage drm/panfrost: Fix GEM handle creation ref-counting drm/plane-helper: Add the missing declaration of drm_atomic_state dma-buf: fix dma_buf_export init order v2
2023-01-06tpm: Allow system suspend to continue when TPM suspend failsJason A. Donenfeld
TPM 1 is sometimes broken across system suspends, due to races or locking issues or something else that haven't been diagnosed or fixed yet, most likely having to do with concurrent reads from the TPM's hardware random number generator driver. These issues prevent the system from actually suspending, with errors like: tpm tpm0: A TPM error (28) occurred continue selftest ... tpm tpm0: A TPM error (28) occurred attempting get random ... tpm tpm0: Error (28) sending savestate before suspend tpm_tis 00:08: PM: __pnp_bus_suspend(): tpm_pm_suspend+0x0/0x80 returns 28 tpm_tis 00:08: PM: dpm_run_callback(): pnp_bus_suspend+0x0/0x10 returns 28 tpm_tis 00:08: PM: failed to suspend: error 28 PM: Some devices failed to suspend, or early wake event detected This issue was partially fixed by 23393c646142 ("char: tpm: Protect tpm_pm_suspend with locks"), in a last minute 6.1 commit that Linus took directly because the TPM maintainers weren't available. However, it seems like this just addresses the most common cases of the bug, rather than addressing it entirely. So there are more things to fix still, apparently. In lieu of actually fixing the underlying bug, just allow system suspend to continue, so that laptops still go to sleep fine. Later, this can be reverted when the real bug is fixed. Link: https://lore.kernel.org/lkml/7cbe96cf-e0b5-ba63-d1b4-f63d2e826efa@suse.cz/ Cc: stable@vger.kernel.org # 6.1+ Reported-by: Vlastimil Babka <vbabka@suse.cz> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Luigi Semenzato <semenzato@chromium.org> Cc: Peter Huewe <peterhuewe@gmx.de> Cc: Jarkko Sakkinen <jarkko@kernel.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Johannes Altmanninger <aclopte@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-01-06Merge tag 'block-2023-01-06' of git://git.kernel.dk/linuxLinus Torvalds
Pull block fixes from Jens Axboe: "The big change here is obviously the revert of the pktcdvd driver removal. Outside of that, just minor tweaks. In detail: - Re-instate the pktcdvd driver, which necessitates adding back bio_copy_data_iter() and the fops->devnode() hook for now (me) - Fix for splitting of a bio marked as NOWAIT, causing either nowait reads or writes to error with EAGAIN even if parts of the IO completed (me) - Fix for ublk, punting management commands to io-wq as they can all easily block for extended periods of time (Ming) - Removal of SRCU dependency for the block layer (Paul)" * tag 'block-2023-01-06' of git://git.kernel.dk/linux: block: Remove "select SRCU" Revert "pktcdvd: remove driver." Revert "block: remove devnode callback from struct block_device_operations" Revert "block: bio_copy_data_iter" ublk: honor IO_URING_F_NONBLOCK for handling control command block: don't allow splitting of a REQ_NOWAIT bio block: handle bio_split_to_limits() NULL return
2023-01-06Merge tag 'v6.2-p2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fixes from Herbert Xu: "This fixes a CFI crash in arm64/sm4 as well as a regression in the caam driver" * tag 'v6.2-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: arm64/sm4 - fix possible crash with CFI enabled crypto: caam - fix CAAM io mem access in blob_gen
2023-01-06usb: dwc3: gadget: Ignore End Transfer delay on teardownThinh Nguyen
If we delay sending End Transfer for Setup TRB to be prepared, we need to check if the End Transfer was in preparation for a driver teardown/soft-disconnect. In those cases, just send the End Transfer command without delay. In the case of soft-disconnect, there's a very small chance the command may not go through immediately. But should it happen, the Setup TRB will be prepared during the polling of the controller halted state, allowing the command to go through then. In the case of disabling endpoint due to reconfiguration (e.g. set_interface(alt-setting) or usb reset), then it's driven by the host. Typically the host wouldn't immediately cancel the control request and send another control transfer to trigger the End Transfer command timeout. Fixes: 4db0fbb60136 ("usb: dwc3: gadget: Don't delay End Transfer on delayed_status") Cc: stable@vger.kernel.org Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Link: https://lore.kernel.org/r/f1617a323e190b9cc408fb8b65456e32b5814113.1670546756.git.Thinh.Nguyen@synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-06usb: dwc3: xilinx: include linux/gpio/consumer.hArnd Bergmann
The newly added gpio consumer calls cause a build failure in configurations that fail to include the right header implicitly: drivers/usb/dwc3/dwc3-xilinx.c: In function 'dwc3_xlnx_init_zynqmp': drivers/usb/dwc3/dwc3-xilinx.c:207:22: error: implicit declaration of function 'devm_gpiod_get_optional'; did you mean 'devm_clk_get_optional'? [-Werror=implicit-function-declaration] 207 | reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); | ^~~~~~~~~~~~~~~~~~~~~~~ | devm_clk_get_optional Fixes: ca05b38252d7 ("usb: dwc3: xilinx: Add gpio-reset support") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20230103121755.956027-1-arnd@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-06Merge tag 'drm-intel-fixes-2023-01-05' of ↵Daniel Vetter
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes Only gvt-fixes: - debugfs fixes (Zhenyu) - fix up for vgpu status (Zhi) - double free fix in split_2MB_gtt_entry (Zheng) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/Y7cszBkLRvAy6uao@intel.com
2023-01-06usb: fotg210-udc: fix error return code in fotg210_udc_probe()Yang Yingliang
After commit 5f217ccd520f ("fotg210-udc: Support optional external PHY"), the error code is re-assigned to 0 in fotg210_udc_probe(), if allocate or map memory fails after the assignment, it can't return an error code. Set the error code to -ENOMEM to fix this problem. Fixes: 5f217ccd520f ("fotg210-udc: Support optional external PHY") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20221230065427.944586-1-yangyingliang@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-05Merge tag 'thermal-6.2-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull thermal control fix from Rafael Wysocki: "Add a missing sysfs attribute to the int340x thermal driver (Srinivas Pandruvada)" * tag 'thermal-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: thermal: int340x: Add missing attribute for data rate base
2023-01-05Merge tag 'net-6.2-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from bpf, wifi, and netfilter. Current release - regressions: - bpf: fix nullness propagation for reg to reg comparisons, avoid null-deref - inet: control sockets should not use current thread task_frag - bpf: always use maximal size for copy_array() - eth: bnxt_en: don't link netdev to a devlink port for VFs Current release - new code bugs: - rxrpc: fix a couple of potential use-after-frees - netfilter: conntrack: fix IPv6 exthdr error check - wifi: iwlwifi: fw: skip PPAG for JF, avoid FW crashes - eth: dsa: qca8k: various fixes for the in-band register access - eth: nfp: fix schedule in atomic context when sync mc address - eth: renesas: rswitch: fix getting mac address from device tree - mobile: ipa: use proper endpoint mask for suspend Previous releases - regressions: - tcp: add TIME_WAIT sockets in bhash2, fix regression caught by Jiri / python tests - net: tc: don't intepret cls results when asked to drop, fix oob-access - vrf: determine the dst using the original ifindex for multicast - eth: bnxt_en: - fix XDP RX path if BPF adjusted packet length - fix HDS (header placement) and jumbo thresholds for RX packets - eth: ice: xsk: do not use xdp_return_frame() on tx_buf->raw_buf, avoid memory corruptions Previous releases - always broken: - ulp: prevent ULP without clone op from entering the LISTEN status - veth: fix race with AF_XDP exposing old or uninitialized descriptors - bpf: - pull before calling skb_postpull_rcsum() (fix checksum support and avoid a WARN()) - fix panic due to wrong pageattr of im->image (when livepatch and kretfunc coexist) - keep a reference to the mm, in case the task is dead - mptcp: fix deadlock in fastopen error path - netfilter: - nf_tables: perform type checking for existing sets - nf_tables: honor set timeout and garbage collection updates - ipset: fix hash:net,port,net hang with /0 subnet - ipset: avoid hung task warning when adding/deleting entries - selftests: net: - fix cmsg_so_mark.sh test hang on non-x86 systems - fix the arp_ndisc_evict_nocarrier test for IPv6 - usb: rndis_host: secure rndis_query check against int overflow - eth: r8169: fix dmar pte write access during suspend/resume with WOL - eth: lan966x: fix configuration of the PCS - eth: sparx5: fix reading of the MAC address - eth: qed: allow sleep in qed_mcp_trace_dump() - eth: hns3: - fix interrupts re-initialization after VF FLR - fix handling of promisc when MAC addr table gets full - refine the handling for VF heartbeat - eth: mlx5: - properly handle ingress QinQ-tagged packets on VST - fix io_eq_size and event_eq_size params validation on big endian - fix RoCE setting at HCA level if not supported at all - don't turn CQE compression on by default for IPoIB - eth: ena: - fix toeplitz initial hash key value - account for the number of XDP-processed bytes in interface stats - fix rx_copybreak value update Misc: - ethtool: harden phy stat handling against buggy drivers - docs: netdev: convert maintainer's doc from FAQ to a normal document" * tag 'net-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (112 commits) caif: fix memory leak in cfctrl_linkup_request() inet: control sockets should not use current thread task_frag net/ulp: prevent ULP without clone op from entering the LISTEN status qed: allow sleep in qed_mcp_trace_dump() MAINTAINERS: Update maintainers for ptp_vmw driver usb: rndis_host: Secure rndis_query check against int overflow net: dpaa: Fix dtsec check for PCS availability octeontx2-pf: Fix lmtst ID used in aura free drivers/net/bonding/bond_3ad: return when there's no aggregator netfilter: ipset: Rework long task execution when adding/deleting entries netfilter: ipset: fix hash:net,port,net hang with /0 subnet net: sparx5: Fix reading of the MAC address vxlan: Fix memory leaks in error path net: sched: htb: fix htb_classify() kernel-doc net: sched: cbq: dont intepret cls results when asked to drop net: sched: atm: dont intepret cls results when asked to drop dt-bindings: net: marvell,orion-mdio: Fix examples dt-bindings: net: sun8i-emac: Add phy-supply property net: ipa: use proper endpoint mask for suspend selftests: net: return non-zero for failures reported in arp_ndisc_evict_nocarrier ...
2023-01-05Merge tag 'gpio-fixes-for-v6.2-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: "A reference leak fix, two fixes for using uninitialized variables and more drivers converted to using immutable irqchips: - fix a reference leak in gpio-sifive - fix a potential use of an uninitialized variable in core gpiolib - fix a potential use of an uninitialized variable in gpio-pca953x - make GPIO irqchips immutable in gpio-pmic-eic-sprd, gpio-eic-sprd and gpio-sprd" * tag 'gpio-fixes-for-v6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio: sifive: Fix refcount leak in sifive_gpio_probe gpio: sprd: Make the irqchip immutable gpio: pmic-eic-sprd: Make the irqchip immutable gpio: eic-sprd: Make the irqchip immutable gpio: pca953x: avoid to use uninitialized value pinctrl gpiolib: Fix using uninitialized lookup-flags on ACPI platforms
2023-01-05Merge tag 'fbdev-for-6.2-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev Pull fbdev fixes from Helge Deller: - Fix Matrox G200eW initialization failure - Fix build failure of offb driver when built as module - Optimize stack usage in omapfb * tag 'fbdev-for-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: fbdev: omapfb: avoid stack overflow warning fbdev: matroxfb: G200eW: Increase max memory from 1 MB to 16 MB fbdev: atyfb: use strscpy() to instead of strncpy() fbdev: omapfb: use strscpy() to instead of strncpy() fbdev: make offb driver tristate
2023-01-05Merge tag 'amd-drm-fixes-6.2-2023-01-04' of ↵Daniel Vetter
https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-6.2-2023-01-04: amdgpu: - DCN 3.2 fix - Display fix amdkfd: - Fix kernel warning Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230105033839.23711-1-alexander.deucher@amd.com
2023-01-05fbdev: omapfb: avoid stack overflow warningArnd Bergmann
The dsi_irq_stats structure is a little too big to fit on the stack of a 32-bit task, depending on the specific gcc options: fbdev/omap2/omapfb/dss/dsi.c: In function 'dsi_dump_dsidev_irqs': fbdev/omap2/omapfb/dss/dsi.c:1621:1: error: the frame size of 1064 bytes is larger than 1024 bytes [-Werror=frame-larger-than=] Since this is only a debugfs file, performance is not critical, so just dynamically allocate it, and print an error message in there in place of a failure code when the allocation fails. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Helge Deller <deller@gmx.de>
2023-01-05Merge tag 'drm-misc-fixes-2023-01-05' of ↵Daniel Vetter
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes Several fixes to fix the error path of dma_buf_export, add a missing structure declaration resulting in a compiler warning, fix the GEM handle refcounting in panfrost, fix a corrupted image with AFBC on meson, a memleak in virtio, improper plane width for imx, and a lockup in drm_sched_entity_kill() Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20230105074909.qd2h23hpxac4lxi7@houat
2023-01-04qed: allow sleep in qed_mcp_trace_dump()Caleb Sander
By default, qed_mcp_cmd_and_union() delays 10us at a time in a loop that can run 500K times, so calls to qed_mcp_nvm_rd_cmd() may block the current thread for over 5s. We observed thread scheduling delays over 700ms in production, with stacktraces pointing to this code as the culprit. qed_mcp_trace_dump() is called from ethtool, so sleeping is permitted. It already can sleep in qed_mcp_halt(), which calls qed_mcp_cmd(). Add a "can sleep" parameter to qed_find_nvram_image() and qed_nvram_read() so they can sleep during qed_mcp_trace_dump(). qed_mcp_trace_get_meta_info() and qed_mcp_trace_read_meta(), called only by qed_mcp_trace_dump(), allow these functions to sleep. I can't tell if the other caller (qed_grc_dump_mcp_hw_dump()) can sleep, so keep b_can_sleep set to false when it calls these functions. An example stacktrace from a custom warning we added to the kernel showing a thread that has not scheduled despite long needing resched: [ 2745.362925,17] ------------[ cut here ]------------ [ 2745.362941,17] WARNING: CPU: 23 PID: 5640 at arch/x86/kernel/irq.c:233 do_IRQ+0x15e/0x1a0() [ 2745.362946,17] Thread not rescheduled for 744 ms after irq 99 [ 2745.362956,17] Modules linked in: ... [ 2745.363339,17] CPU: 23 PID: 5640 Comm: lldpd Tainted: P O 4.4.182+ #202104120910+6d1da174272d.61x [ 2745.363343,17] Hardware name: FOXCONN MercuryB/Quicksilver Controller, BIOS H11P1N09 07/08/2020 [ 2745.363346,17] 0000000000000000 ffff885ec07c3ed8 ffffffff8131eb2f ffff885ec07c3f20 [ 2745.363358,17] ffffffff81d14f64 ffff885ec07c3f10 ffffffff81072ac2 ffff88be98ed0000 [ 2745.363369,17] 0000000000000063 0000000000000174 0000000000000074 0000000000000000 [ 2745.363379,17] Call Trace: [ 2745.363382,17] <IRQ> [<ffffffff8131eb2f>] dump_stack+0x8e/0xcf [ 2745.363393,17] [<ffffffff81072ac2>] warn_slowpath_common+0x82/0xc0 [ 2745.363398,17] [<ffffffff81072b4c>] warn_slowpath_fmt+0x4c/0x50 [ 2745.363404,17] [<ffffffff810d5a8e>] ? rcu_irq_exit+0xae/0xc0 [ 2745.363408,17] [<ffffffff817c99fe>] do_IRQ+0x15e/0x1a0 [ 2745.363413,17] [<ffffffff817c7ac9>] common_interrupt+0x89/0x89 [ 2745.363416,17] <EOI> [<ffffffff8132aa74>] ? delay_tsc+0x24/0x50 [ 2745.363425,17] [<ffffffff8132aa04>] __udelay+0x34/0x40 [ 2745.363457,17] [<ffffffffa04d45ff>] qed_mcp_cmd_and_union+0x36f/0x7d0 [qed] [ 2745.363473,17] [<ffffffffa04d5ced>] qed_mcp_nvm_rd_cmd+0x4d/0x90 [qed] [ 2745.363490,17] [<ffffffffa04e1dc7>] qed_mcp_trace_dump+0x4a7/0x630 [qed] [ 2745.363504,17] [<ffffffffa04e2556>] ? qed_fw_asserts_dump+0x1d6/0x1f0 [qed] [ 2745.363520,17] [<ffffffffa04e4ea7>] qed_dbg_mcp_trace_get_dump_buf_size+0x37/0x80 [qed] [ 2745.363536,17] [<ffffffffa04ea881>] qed_dbg_feature_size+0x61/0xa0 [qed] [ 2745.363551,17] [<ffffffffa04eb427>] qed_dbg_all_data_size+0x247/0x260 [qed] [ 2745.363560,17] [<ffffffffa0482c10>] qede_get_regs_len+0x30/0x40 [qede] [ 2745.363566,17] [<ffffffff816c9783>] ethtool_get_drvinfo+0xe3/0x190 [ 2745.363570,17] [<ffffffff816cc152>] dev_ethtool+0x1362/0x2140 [ 2745.363575,17] [<ffffffff8109bcc6>] ? finish_task_switch+0x76/0x260 [ 2745.363580,17] [<ffffffff817c2116>] ? __schedule+0x3c6/0x9d0 [ 2745.363585,17] [<ffffffff810dbd50>] ? hrtimer_start_range_ns+0x1d0/0x370 [ 2745.363589,17] [<ffffffff816c1e5b>] ? dev_get_by_name_rcu+0x6b/0x90 [ 2745.363594,17] [<ffffffff816de6a8>] dev_ioctl+0xe8/0x710 [ 2745.363599,17] [<ffffffff816a58a8>] sock_do_ioctl+0x48/0x60 [ 2745.363603,17] [<ffffffff816a5d87>] sock_ioctl+0x1c7/0x280 [ 2745.363608,17] [<ffffffff8111f393>] ? seccomp_phase1+0x83/0x220 [ 2745.363612,17] [<ffffffff811e3503>] do_vfs_ioctl+0x2b3/0x4e0 [ 2745.363616,17] [<ffffffff811e3771>] SyS_ioctl+0x41/0x70 [ 2745.363619,17] [<ffffffff817c6ffe>] entry_SYSCALL_64_fastpath+0x1e/0x79 [ 2745.363622,17] ---[ end trace f6954aa440266421 ]--- Fixes: c965db4446291 ("qed: Add support for debug data collection") Signed-off-by: Caleb Sander <csander@purestorage.com> Acked-by: Alok Prasad <palok@marvell.com> Link: https://lore.kernel.org/r/20230103233021.1457646-1-csander@purestorage.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-04of: fdt: Honor CONFIG_CMDLINE* even without /chosen node, take 2Rob Herring
I do not read a strict requirement on /chosen node in either ePAPR or in Documentation/devicetree. Help text for CONFIG_CMDLINE and CONFIG_CMDLINE_EXTEND doesn't make their behavior explicitly dependent on the presence of /chosen or the presense of /chosen/bootargs. However the early check for /chosen and bailing out in early_init_dt_scan_chosen() skips CONFIG_CMDLINE handling which is not really related to /chosen node or the particular method of passing cmdline from bootloader. This leads to counterintuitive combinations (assuming CONFIG_CMDLINE_EXTEND=y): a) bootargs="foo", CONFIG_CMDLINE="bar" => cmdline=="foo bar" b) /chosen missing, CONFIG_CMDLINE="bar" => cmdline=="" c) bootargs="", CONFIG_CMDLINE="bar" => cmdline==" bar" Rework early_init_dt_scan_chosen() so that the cmdline config options are always handled. [commit msg written by Alexander Sverdlin] Cc: Alexander Sverdlin <alexander.sverdlin@gmail.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Arnd Bergmann <arnd@arndb.de> Tested-by: Geoff Levand <geoff@infradead.org> Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Link: https://lore.kernel.org/r/20230103-dt-cmdline-fix-v1-2-7038e88b18b6@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-01-04Revert "of: fdt: Honor CONFIG_CMDLINE* even without /chosen node"Rob Herring
This reverts commit a7d550f82b445cf218b47a2c1a9c56e97ecb8c7a. Some arches (PPC at least) don't call early_init_dt_scan_nodes(), so moving the cmdline processing there breaks them. Reported-by: Geoff Levand <geoff@infradead.org> Cc: Alexander Sverdlin <alexander.sverdlin@gmail.com> Tested-by: Geoff Levand <geoff@infradead.org> Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Link: https://lore.kernel.org/r/20230103-dt-cmdline-fix-v1-1-7038e88b18b6@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-01-04Revert "drm/amd/display: Enable Freesync Video Mode by default"Michel Dänzer
This reverts commit de05abe6b9d0fe08f65d744f7f75a4cba4df27ad. The bug referenced below was bisected to this commit. There has been no activity toward fixing it in 3 months, so let's revert for now. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2162 Signed-off-by: Michel Dänzer <mdaenzer@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2023-01-04Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds
Pull virtio updates from Michael Tsirkin: "Mostly fixes all over the place, a couple of cleanups" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (32 commits) virtio_blk: Fix signedness bug in virtblk_prep_rq() vdpa_sim_net: should not drop the multicast/broadcast packet vdpasim: fix memory leak when freeing IOTLBs vdpa: conditionally fill max max queue pair for stats vdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove vduse: Validate vq_num in vduse_validate_config() tools/virtio: remove smp_read_barrier_depends() tools/virtio: remove stray characters vhost_vdpa: fix the crash in unmap a large memory virtio: Implementing attribute show with sysfs_emit virtio-crypto: fix memory leak in virtio_crypto_alg_skcipher_close_session() tools/virtio: Variable type completion vdpa_sim: fix vringh initialization in vdpasim_queue_ready() virtio_blk: use UINT_MAX instead of -1U vhost-vdpa: fix an iotlb memory leak vhost: fix range used in translate_desc() vringh: fix range used in iotlb_translate() vhost/vsock: Fix error handling in vhost_vsock_init() vdpa_sim: fix possible memory leak in vdpasim_net_init() and vdpasim_blk_init() tools: Delete the unneeded semicolon after curly braces ...
2023-01-04Revert "pktcdvd: remove driver."Jens Axboe
This reverts commit f40eb99897af665f11858dd7b56edcb62c3f3c67. There are apparently still users out there of this driver. While we'd love to remove it to ease the maintenance burden, let's reinstate it for now until better (userspace) solutions can be developed. Link: https://lore.kernel.org/lkml/20230104190115.ceglfefco475ev6c@pali/ Reported-by: Pali Rohár <pali@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-01-04ublk: honor IO_URING_F_NONBLOCK for handling control commandMing Lei
Most of control command handlers may sleep, so return -EAGAIN in case of IO_URING_F_NONBLOCK to defer the handling into io wq context. Fixes: 71f28f3136af ("ublk_drv: add io_uring based userspace block driver") Reported-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20230104133235.836536-1-ming.lei@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-01-04block: handle bio_split_to_limits() NULL returnJens Axboe
This can't happen right now, but in preparation for allowing bio_split_to_limits() returning NULL if it ended the bio, check for it in all the callers. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-01-04drm/i915/gvt: fix double free bug in split_2MB_gtt_entryZheng Wang
If intel_gvt_dma_map_guest_page failed, it will call ppgtt_invalidate_spt, which will finally free the spt. But the caller function ppgtt_populate_spt_by_guest_entry does not notice that, it will free spt again in its error path. Fix this by canceling the mapping of DMA address and freeing sub_spt. Besides, leave the handle of spt destroy to caller function instead of callee function when error occurs. Fixes: b901b252b6cf ("drm/i915/gvt: Add 2M huge gtt support") Signed-off-by: Zheng Wang <zyytlz.wz@163.com> Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20221229165641.1192455-1-zyytlz.wz@163.com
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