- 10 Jan, 2024 11 commits
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Dragos Tatulea authored
Instead of tearing down and setting up vq resources, use vq suspend/resume during .set_map to speed things up a bit. The vq mr is updated with the new mapping while the vqs are suspended. If the device doesn't support resumable vqs, do the old teardown and setup dance. Reviewed-by:
Gal Pressman <gal@nvidia.com> Acked-by:
Eugenio Pérez <eperezma@redhat.com> Acked-by:
Jason Wang <jasowang@redhat.com> Signed-off-by:
Dragos Tatulea <dtatulea@nvidia.com> Message-Id: <20231225151203.152687-7-dtatulea@nvidia.com> Signed-off-by:
Michael S. Tsirkin <mst@redhat.com>
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Dragos Tatulea authored
.set_vq_state will set the indices and mark the fields to be modified in the hw vq. Advertise that the device supports changing the vq state when the device is in DRIVER_OK state and suspended. Reviewed-by:
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Dragos Tatulea authored
Addresses get set by .set_vq_address. hw vq addresses will be updated on next modify_virtqueue. Reviewed-by:
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Dragos Tatulea authored
Implement vdpa vq and device resume if capability detected. Add support for suspend -> ready state change. Reviewed-by:
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Dragos Tatulea authored
Add a bitmask variable that tracks hw vq field changes that are supposed to be modified on next hw vq change command. This will be useful to set multiple vq fields when resuming the vq. Reviewed-by:
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Dragos Tatulea authored
Necessary for checking if resumable vqs are supported by the hardware. Actual support will be added in a downstream patch. Reviewed-by:
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Dragos Tatulea authored
The virtio standard doesn't allow for virtqueue address and state changes when the device is in DRIVER_OK. Return an error in such cases unless the device is suspended. The suspended device exception is needed because some devices support virtqueue changes when the device is suspended. Signed-off-by:
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Dragos Tatulea authored
Set vdpa device suspended state on successful suspend. Clear it on successful resume and reset. The state will be locked by the vhost_vdpa mutex. The mutex is taken during suspend, resume and reset in vhost_vdpa_unlocked_ioctl. The exception is vhost_vdpa_open which does a device reset but that should be safe because it can only happen before the other ops. Signed-off-by:
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Mike Christie authored
This adds polling support to virtio-scsi. It's based on and works similar to virtblk support where we add a module param to specify the number of poll queues then subtract to calculate the IO queues. When using 8 poll queues and a vhost worker per queue we see 4K IOPs with fio: fio --filename=/dev/sda --direct=1 --rw=randread --bs=4k \ --ioengine=io_uring --hipri --iodepth=128 --numjobs=$NUM_JOBS increase like: jobs base poll 1 207K 296K 2 392K 552K 3 581K 860K 4 765K 1235K 5 936K 1598K 6 1104K 1880K 7 1253K 2095K 8 1311k 2187K Signed-off-by:
Mike Christie <michael.christie@oracle.com> Message-Id: <20231214052649.57743-1-michael.christie@oracle.com> Signed-off-by:
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Changyuan Lyu authored
This patch adds the support for feature VIRTIO_PMEM_F_SHMEM_REGION (virtio spec v1.2 section 5.19.5.2 [1]). During feature negotiation, if VIRTIO_PMEM_F_SHMEM_REGION is offered by the device, the driver looks for a shared memory region of id 0. If it is found, this feature is understood. Otherwise, this feature bit is cleared. During probe, if VIRTIO_PMEM_F_SHMEM_REGION has been negotiated, virtio pmem ignores the `start` and `size` fields in device config and uses the physical address range of shared memory region 0. [1] https://docs.oasis-open.org/virtio/virtio/v1.2/csd01/virtio-v1.2-csd01.html#x1-6480002Signed-off-by:
Changyuan Lyu <changyuanl@google.com> Message-Id: <20231220204906.566922-1-changyuanl@google.com> Signed-off-by:
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David Stevens authored
A virtio_balloon's parent device may be configured so that a configuration change interrupt is a wakeup event. Extend the processing of such a wakeup event until the balloon finishes inflating or deflating by calling pm_stay_awake/pm_relax in the virtio_balloon driver. Note that these calls are no-ops if the parent device doesn't support wakeup events or if the wakeup events are not enabled. This change allows the guest to use system power states such as s2idle without running the risk the virtio_balloon's cooperative memory management becoming unresponsive to the host's requests. Tested-by:
Theodore Ts'o <tytso@mit.edu> Signed-off-by:
David Stevens <stevensd@chromium.org> Signed-off-by:
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- 27 Dec, 2023 4 commits
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Christophe JAILLET authored
ida_alloc() and ida_free() should be preferred to the deprecated ida_simple_get() and ida_simple_remove(). This is less verbose. Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Message-Id: <d7534cc4caf4ff9d6b072744352c1b69487779ea.1702230703.git.christophe.jaillet@wanadoo.fr> Signed-off-by:
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David Stevens authored
If a virtio_pci_device supports native PCI power management and has the No_Soft_Reset bit set, then skip resetting and reinitializing the device when suspending and restoring the device. This allows system-wide low power states like s2idle to be used in systems with stateful virtio devices that can't simply be re-initialized (e.g. virtio-fs). Signed-off-by:
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Xuan Zhuo authored
For rq, we have three cases getting buffers from virtio core: 1. virtqueue_get_buf{,_ctx} 2. virtqueue_detach_unused_buf 3. callback for virtqueue_resize But in commit 295525e2("virtio_net: merge dma operations when filling mergeable buffers"), I missed the dma unmap for the #3 case. That will leak some memory, because I did not release the pages referred by the unused buffers. If we do such script, we will make the system OOM. while true do ethtool -G ens4 rx 128 ethtool -G ens4 rx 256 free -m done Fixes: 295525e2 ("virtio_net: merge dma operations when filling mergeable buffers") Signed-off-by:Xuan Zhuo <xuanzhuo@linux.alibaba.com> Message-Id: <20231226094333.47740-1-xuanzhuo@linux.alibaba.com> Signed-off-by:
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Pasha Tatashin authored
iommu allocations should be accounted in order to allow admins to monitor and limit the amount of iommu memory. Signed-off-by:
Pasha Tatashin <pasha.tatashin@soleen.com> Acked-by:
David Rientjes <rientjes@google.com>
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- 25 Dec, 2023 1 commit
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Christophe JAILLET authored
After a successful vp_legacy_probe() call, vp_legacy_remove() should be called in the error handling path, as already done in the remove function. Add the missing call. Fixes: e85087be ("eni_vdpa: add vDPA driver for Alibaba ENI") Signed-off-by:
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- 04 Dec, 2023 2 commits
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Stefan Hajnoczi authored
Commit 4e040052 ("virtio-blk: support polling I/O") triggers the following gcc 13 W=1 warnings: drivers/block/virtio_blk.c: In function ‘init_vq’: drivers/block/virtio_blk.c:1077:68: warning: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 7 [-Wformat-truncation=] 1077 | snprintf(vblk->vqs[i].name, VQ_NAME_LEN, "req_poll.%d", i); | ^~ drivers/block/virtio_blk.c:1077:58: note: directive argument in the range [-2147483648, 65534] 1077 | snprintf(vblk->vqs[i].name, VQ_NAME_LEN, "req_poll.%d", i); | ^~~~~~~~~~~~~ drivers/block/virtio_blk.c:1077:17: note: ‘snprintf’ output between 11 and 21 bytes into a destination of size 16 1077 | snprintf(vblk->vqs[i].name, VQ_NAME_LEN, "req_poll.%d", i); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This is a false positive because the lower bound -2147483648 is incorrect. The true range of i is [0, num_vqs - 1] where 0 < num_vqs < 65536. The code mixes int, unsigned short, and unsigned int types in addition to using "%d" for an unsigned value. Use unsigned short and "%u" consistently to solve the compiler warning. Cc: Suwan Kim <suwan.kim027@gmail.com> Reported-by:
kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202312041509.DIyvEt9h-lkp@intel.com/Signed-off-by:
Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20231204140743.1487843-1-stefanha@redhat.com> Signed-off-by:
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Xuan Zhuo authored
Now the APIs virtqueue_dma_sync_single_range_for_{cpu,device} ignore the parameter 'dir', that is a mistake. [ 6.101666] ------------[ cut here ]------------ [ 6.102079] DMA-API: virtio-pci 0000:00:04.0: device driver syncs DMA memory with different direction [device address=0x00000000ae010000] [size=32752 bytes] [mapped with DMA_FROM_DEVICE] [synced with DMA_BIDIRECTIONAL] [ 6.103630] WARNING: CPU: 6 PID: 0 at kernel/dma/debug.c:1125 check_sync+0x53e/0x6c0 [ 6.107420] CPU: 6 PID: 0 Comm: swapper/6 Tainted: G E 6.6.0+ #290 [ 6.108030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 [ 6.108936] RIP: 0010:check_sync+0x53e/0x6c0 [ 6.109289] Code: 24 10 e8 f5 d9 74 00 4c 8b 4c 24 10 4c 8b 44 24 18 48 8b 4c 24 20 48 89 c6 41 56 4c 89 ea 48 c7 c7 b0 f1 50 82 e8 32 fc f3 ff <0f> 0b 48 c7 c7 48 4b 4a 82 e8 74 d9 fc ff 8b 73 4c 48 8d 7b 50 31 [ 6.110750] RSP: 0018:ffffc90000180cd8 EFLAGS: 00010092 [ 6.111178] RAX: 00000000000000ce RBX: ffff888100aa5900 RCX: 0000000000000000 [ 6.111744] RDX: 0000000000000104 RSI: ffffffff824c3208 RDI: 00000000ffffffff [ 6.112316] RBP: ffffc90000180d40 R08: 0000000000000000 R09: 00000000fffeffff [ 6.112893] R10: ffffc90000180b98 R11: ffffffff82f63308 R12: ffffffff83d5af00 [ 6.113460] R13: ffff888100998200 R14: ffffffff824a4b5f R15: 0000000000000286 [ 6.114027] FS: 0000000000000000(0000) GS:ffff88842fd80000(0000) knlGS:0000000000000000 [ 6.114665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.115128] CR2: 00007f10f1e03030 CR3: 0000000108272004 CR4: 0000000000770ee0 [ 6.115701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6.116272] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6.116842] PKRU: 55555554 [ 6.117069] Call Trace: [ 6.117275] <IRQ> [ 6.117452] ? __warn+0x84/0x140 [ 6.117727] ? check_sync+0x53e/0x6c0 [ 6.118034] ? __report_bug+0xea/0x100 [ 6.118353] ? check_sync+0x53e/0x6c0 [ 6.118653] ? report_bug+0x41/0xc0 [ 6.118944] ? handle_bug+0x3c/0x70 [ 6.119237] ? exc_invalid_op+0x18/0x70 [ 6.119551] ? asm_exc_invalid_op+0x1a/0x20 [ 6.119900] ? check_sync+0x53e/0x6c0 [ 6.120199] ? check_sync+0x53e/0x6c0 [ 6.120499] debug_dma_sync_single_for_cpu+0x5c/0x70 [ 6.120906] ? dma_sync_single_for_cpu+0xb7/0x100 [ 6.121291] virtnet_rq_unmap+0x158/0x170 [virtio_net] [ 6.121716] virtnet_receive+0x196/0x220 [virtio_net] [ 6.122135] virtnet_poll+0x48/0x1b0 [virtio_net] [ 6.122524] __napi_poll+0x29/0x1b0 [ 6.123083] net_rx_action+0x282/0x360 [ 6.123612] __do_softirq+0xf3/0x2fb [ 6.124138] __irq_exit_rcu+0x8e/0xf0 [ 6.124663] common_interrupt+0xbc/0xe0 [ 6.125202] </IRQ> We need to enable CONFIG_DMA_API_DEBUG and work with need sync mode(such as swiotlb) to reproduce this warn. Fixes: 8bd2f710 ("virtio_ring: introduce dma sync api for virtqueue") Reported-by:"Ning, Hongyu" <hongyu.ning@linux.intel.com> Closes: https://lore.kernel.org/all/f37cb55a-6fc8-4e21-8789-46d468325eea@linux.intel.com/Suggested-by:
Parav Pandit <parav@nvidia.com> Acked-by:
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- 01 Dec, 2023 4 commits
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Shannon Nelson authored
Fix up the order that the device and negotiated features are checked to get a more reliable difference when things get changed. Signed-off-by:
Shannon Nelson <shannon.nelson@amd.com> Message-Id: <20231110221802.46841-4-shannon.nelson@amd.com> Signed-off-by:
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Shannon Nelson authored
If the client driver is setting status to 0, something is getting shutdown and possibly removed. Make sure we clear the config_cb so that it doesn't end up crashing when trying to call a bogus callback. Signed-off-by:
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Shannon Nelson authored
Our friendly kernel test robot has recently been pointing out some format-truncation issues. Here's a fix for one of them. Reported-by:
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Steve Sistare authored
mlx5_vdpa does not preserve userland's view of vring base for the control queue in the following sequence: ioctl VHOST_SET_VRING_BASE ioctl VHOST_VDPA_SET_STATUS VIRTIO_CONFIG_S_DRIVER_OK mlx5_vdpa_set_status() setup_cvq_vring() vringh_init_iotlb() vringh_init_kern() vrh->last_avail_idx = 0; ioctl VHOST_GET_VRING_BASE To fix, restore the value of cvq->vring.last_avail_idx after calling vringh_init_iotlb. Fixes: 5262912e ("vdpa/mlx5: Add support for control VQ and MAC setting") Signed-off-by:Steve Sistare <steven.sistare@oracle.com> Acked-by:
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- 27 Nov, 2023 2 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-traceLinus Torvalds authored
Pull tracing fixes from Steven Rostedt:: "Eventfs fixes: - With the usage of simple_recursive_remove() recommended by Al Viro, the code should not be calling "d_invalidate()" itself. Doing so is causing crashes. The code was calling d_invalidate() on the race of trying to look up a file while the parent was being deleted. This was detected, and the added dentry was having d_invalidate() called on it, but the deletion of the directory was also calling d_invalidate() on that same dentry. - A fix to not free the eventfs_inode (ei) until the last dput() was called on its ei->dentry made the ei->dentry exist even after it was marked for free by setting the ei->is_freed. But code elsewhere still was checking if ei->dentry was NULL if ei->is_freed is set and would trigger WARN_ON if that was the case. That's no longer true and there should not be any warnings when it is true. - Use GFP_NOFS for allocations done under eventfs_mutex. The eventfs_mutex can be taken on file system reclaim, make sure that allocations done under that mutex do not trigger file system reclaim. - Clean up code by moving the taking of inode_lock out of the helper functions and into where they are needed, and not use the parameter to know to take it or not. It must always be held but some callers of the helper function have it taken when they were called. - Warn if the inode_lock is not held in the helper functions. - Warn if eventfs_start_creating() is called without a parent. As eventfs is underneath tracefs, all files created will have a parent (the top one will have a tracefs parent). Tracing update: - Add Mathieu Desnoyers as an official reviewer of the tracing subsystem" * tag 'trace-v6.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: MAINTAINERS: TRACING: Add Mathieu Desnoyers as Reviewer eventfs: Make sure that parent->d_inode is locked in creating files/dirs eventfs: Do not allow NULL parent to eventfs_start_creating() eventfs: Move taking of inode_lock into dcache_dir_open_wrapper() eventfs: Use GFP_NOFS for allocation when eventfs_mutex is held eventfs: Do not invalidate dentry in create_file/dir_dentry() eventfs: Remove expectation that ei->is_freed means ei->dentry == NULL
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- 26 Nov, 2023 6 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linuxLinus Torvalds authored
Pull parisc architecture fixes from Helge Deller: "This patchset fixes and enforces correct section alignments for the ex_table, altinstructions, parisc_unwind, jump_table and bug_table which are created by inline assembly. Due to not being correctly aligned at link & load time they can trigger unnecessarily the kernel unaligned exception handler at runtime. While at it, I switched the bug table to use relative addresses which reduces the size of the table by half on 64-bit. We still had the ENOSYM and EREMOTERELEASE errno symbols as left-overs from HP-UX, which now trigger build-issues with glibc. We can simply remove them. Most of the patches are tagged for stable kernel series. Summary: - Drop HP-UX ENOSYM and EREMOTERELEASE return codes to avoid glibc build issues - Fix section alignments for ex_table, altinstructions, parisc unwind table, jump_table and bug_table - Reduce size of bug_table on 64-bit kernel by using relative pointers" * tag 'parisc-for-6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Reduce size of the bug_table on 64-bit kernel by half parisc: Drop the HP-UX ENOSYM and EREMOTERELEASE error codes parisc: Use natural CPU alignment for bug_table parisc: Ensure 32-bit alignment on parisc unwind section parisc: Mark lock_aligned variables 16-byte aligned on SMP parisc: Mark jump_table naturally aligned parisc: Mark altinstructions read-only and 32-bit aligned parisc: Mark ex_table entries 32-bit aligned in uaccess.h parisc: Mark ex_table entries 32-bit aligned in assembly.h -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 microcode fixes from Ingo Molnar: "Fix/enhance x86 microcode version reporting: fix the bootup log spam, and remove the driver version announcement to avoid version confusion when distros backport fixes" * tag 'x86-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/microcode: Rework early revisions reporting x86/microcode: Remove the driver announcement and version
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 perf event fix from Ingo Molnar: "Fix a bug in the Intel hybrid CPUs hardware-capabilities enumeration code resulting in non-working events on those platforms" * tag 'perf-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel: Correct incorrect 'or' operation for PMU capabilities
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fix from Ingo Molnar: "Fix lockdep block chain corruption resulting in KASAN warnings" * tag 'locking-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: lockdep: Fix block chain corruption
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull smb client fixes from Steve French: - use after free fix in releasing multichannel interfaces - fixes for special file types (report char, block, FIFOs properly when created e.g. by NFS to Windows) - fixes for reporting various special file types and symlinks properly when using SMB1 * tag '6.7-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: smb: client: introduce cifs_sfu_make_node() smb: client: set correct file type from NFS reparse points smb: client: introduce ->parse_reparse_point() smb: client: implement ->query_reparse_point() for SMB1 cifs: fix use after free for iface while disabling secondary channels
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB / PHY / Thunderbolt fixes from Greg KH: "Here are a number of reverts, fixes, and new device ids for 6.7-rc3 for the USB, PHY, and Thunderbolt driver subsystems. Include in here are: - reverts of some PHY drivers that went into 6.7-rc1 that shouldn't have been merged yet, the author is reworking them based on review comments as they were using older apis that shouldn't be used anymore for newer drivers - small thunderbolt driver fixes for reported issues - USB driver fixes for a variety of small issues in dwc3, typec, xhci, and other smaller drivers. - new device ids for usb-serial and onboard_usb_hub drivers. All of these have been in linux-next with no reported issues" * tag 'usb-6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits) USB: serial: option: add Luat Air72*U series products USB: dwc3: qcom: fix ACPI platform device leak USB: dwc3: qcom: fix software node leak on probe errors USB: dwc3: qcom: fix resource leaks on probe deferral USB: dwc3: qcom: simplify wakeup interrupt setup USB: dwc3: qcom: fix wakeup after probe deferral dt-bindings: usb: qcom,dwc3: fix example wakeup interrupt types usb: misc: onboard-hub: add support for Microchip USB5744 dt-bindings: usb: microchip,usb5744: Add second supply usb: misc: ljca: Fix enumeration error on Dell Latitude 9420 USB: serial: option: add Fibocom L7xx modules USB: xhci-plat: fix legacy PHY double init usb: typec: tipd: Supply also I2C driver data usb: xhci-mtk: fix in-ep's start-split check failure usb: dwc3: set the dma max_seg_size usb: config: fix iteration issue in 'usb_get_bos_descriptor()' usb: dwc3: add missing of_node_put and platform_device_put USB: dwc2: write HCINT with INTMASK applied usb: misc: ljca: Drop _ADR support to get ljca children devices usb: cdnsp: Fix deadlock issue during using NCM gadget ...
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- 25 Nov, 2023 10 commits
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git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull xfs fix from Chandan Babu: - Validate quota records recovered from the log before writing them to the disk. * tag 'xfs-6.7-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: dquot recovery does not validate the recovered dquot xfs: clean up dqblk extraction
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 fixes from Catalin Marinas: - Fix "rodata=on" not disabling "rodata=full" on arm64 - Add arm64 make dependency between vmlinuz.efi and Image, leading to occasional build failures previously (with parallel building) - Add newline to the output formatting of the za-fork kselftest * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: add dependency between vmlinuz.efi and Image kselftest/arm64: Fix output formatting for za-fork arm64: mm: Fix "rodata=on" when CONFIG_RODATA_FULL_DEFAULT_ENABLED=y
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull xen fixes from Juergen Gross: - A small cleanup patch for the Xen privcmd driver - A fix for the swiotlb-xen driver which was missing the advertising of the maximum mapping length - A fix for Xen on Arm for a longstanding bug, which happened to occur only recently: a structure in percpu memory crossed a page boundary, which was rejected by the hypervisor * tag 'for-linus-6.7a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: arm/xen: fix xen_vcpu_info allocation alignment xen: privcmd: Replace zero-length array with flex-array member and use __counted_by swiotlb-xen: provide the "max_mapping_size" method
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Helge Deller authored
Enable GENERIC_BUG_RELATIVE_POINTERS which will store 32-bit relative offsets to the bug address and the source file name instead of 64-bit absolute addresses. This effectively reduces the size of the bug_table[] array by half on 64-bit kernels. Signed-off-by:Helge Deller <deller@gmx.de>
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Helge Deller authored
Those return codes are only defined for the parisc architecture and are leftovers from when we wanted to be HP-UX compatible. They are not returned by any Linux kernel syscall but do trigger problems with the glibc strerrorname_np() and strerror() functions as reported in glibc issue #31080. There is no need to keep them, so simply remove them. Signed-off-by:
Bruno Haible <bruno@clisp.org> Closes: https://sourceware.org/bugzilla/show_bug.cgi?id=31080 Cc: stable@vger.kernel.org
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Helge Deller authored
Make sure that the __bug_table section gets 32- or 64-bit aligned, depending if a 32- or 64-bit kernel is being built. Mark it non-writeable and use .blockz instead of the .org assembler directive to pad the struct. Signed-off-by: -
Helge Deller authored
Make sure the .PARISC.unwind section will be 32-bit aligned. Signed-off-by: -
Helge Deller authored
On parisc we need 16-byte alignment for variables which are used for locking. Mark the __lock_aligned attribute acordingly so that the .data..lock_aligned section will get that alignment in the generated object files. Signed-off-by: -
Helge Deller authored
The jump_table stores two 32-bit words and one 32- (on 32-bit kernel) or one 64-bit word (on 64-bit kernel). Ensure that the last word is always 64-bit aligned on a 64-bit kernel by aligning the whole structure on sizeof(long). Signed-off-by: -
Helge Deller authored
Signed-off-by:
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