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Event Ring Segment Table Size Register contain two fields:
- Bits 15:0: Event Ring Segment Table Size
- Bits 31:16: RsvdZ (Reserved and Zero)
The current mask 'ERST_SIZE_MASK' refers to the RsvdZ bits (31:16).
Change the mask to refer to bits 15:0, which are the Event Ring Segment
Table Size bits.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-19-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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xHCI specification 1.2, section 5.5.2.1.
Interrupt Pending bit is RW1C (Write-1-to-clear), which means that
writing '0' to is has no effect and is removed.
The Interrupt Pending (IP) bit is cleared at the start of interrupt
handling; xhci_clear_interrupt_pending(). This could theoretically
cause a new interrupt to be issued before the xhci driver reaches
the interrupter disable functions.
To address this, the IP bit is read after Interrupt Enable is
disabled, and a debug message is issued if the IP bit is still set.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-18-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add read call to guarantee that the write to the IMAN register has
been flushed.
xHCI specification 1.2, section 5.5.2.1, Note:
"Most systems have write buffers that minimize overhead, but this may
require a read operation to guarantee that the write has been flushed
from the posted buffer."
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-17-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Interrupt Management register (IMAN), contains three fields:
- Bit 0: Interrupt Pending (IP)
- Bit 1: Interrupt Enable (IE)
- Bits 31:2: RsvdP (Reserved and Preserved)
Currently, there are multiple macros for both the IP and IE fields.
Consolidates them into single mask macros for better clarity and
maintainability.
Comment "THIS IS BUGGY - FIXME - IP IS WRITE 1 TO CLEAR" refers to the
fact that both macros 'ER_IRQ_ENABLE' and 'ER_IRQ_DISABLE' clear the IP bit
by writing '0' before modifying the IE bit. However, the IP bit is actually
cleared by writing '1'. To prevent any regression, this behavior has not
been altered. Instead, when the IE bit is modified, the IP macro is used
explicitly to highlight this "quirk".
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-16-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function configures the Interrupt Moderation Interval (IMODI) via bits
15:0 in the Interrupt Moderation Register. The IMODI value is specified in
increments of 250 nanoseconds. For instance, an IMODI register value of 16
corresponds to 4000 nanoseconds, resulting in an interrupt every ~1ms.
Currently, the function fails when a requested IMODI value is too large,
only logging a warning message for secondary interrupters. Prevent this by
automatically adjusting the IMODI value to the nearest supported value.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-15-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Cleanup indentation, spacing and comment formats.
Remove the "// " prefix from trace messages, as it is unnecessary and
distracting.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-14-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Break up the existing multi-allocation checks into individual checks.
Add missing allocation check for 'xhci->interrupters'.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-13-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move the primary interrupter (0) initialization from xhci_mem_init() to
xhci_init(). This change requires us to save the allocated interrupter
somewhere before initialization. Therefore, store it in the 'interrupters'
array and rework xhci_add_interrupter() to retrieve the interrupter from
the array.
This is part of the ongoing effort to separate allocation and
initialization.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-12-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove redundant error handling from xhci_add_interrupter() instead of
trying to accommodate them in future changes.
======== Reasoning for the removal ========
Function xhci_add_interrupter() is invoked in two scenarios:
Primary Interrupter Setup (ID 0):
The maximum number of interrupters is always greater than zero, and the
primary interrupter is always allocated as part of the driver's
initialization process. In case of failure, the xHCI driver errors and
exits.
Secondary Interrupter Creation (ID >= 1):
The interrupter is pre-allocated, and an empty slot is identified before
invoking xhci_add_interrupter().
In both cases, the existing error handling within xhci_add_interrupter() is
redundant and unnecessary.
Upcoming Changes:
In the subsequent commit, interrupter initialization will move from
xhci_mem_init() to xhci_init(). This change is necessary to facilitate
the ability to restart the xHCI driver without re-allocating memory.
As a result, the allocated interrupter must be stored in the interrupters
pointer array before initialization.
Consequently, xhci_create_secondary_interrupter() would need to handle
pointer removal for allocated 'interrupters' array upon failure, although
xhci_add_interrupter() will never fail.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-11-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Relocated the enabling of USB 3.0 device notifications from xhci_mem_init()
to xhci_init(). Introduced xhci_set_dev_notifications() function to handle
the notification settings.
Simplify 'DEV_NOTE_FWAKE' masks by directly using the 'ENABLE_DEV_NOTE'
value (1 << 1) instead of using the 'ENABLE_DEV_NOTE' macro.
Macro 'ENABLE_DEV_NOTE' is removed.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-10-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move the assignment of the doorbell array pointer from xhci_mem_init()
to xhci_init(). The assignment now utilizes the newly introduced
xhci_set_doorbell_ptr() function.
Doorbell Array Offset mask (DBOFF_MASK) is updated to directly specify its
bit range as 31:2, rather than using inverted reserved bits 1:0.
This change simplifies the mask representation, making it more intuitive
and easier to understand.
Remove the "// " prefix from trace messages, as it is unnecessary and
distracting.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-9-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move the Device Context Base Address Array (DCBAA) pointer write from
xhci_mem_init() to xhci_init(). This is part of the ongoing effort to
separate allocation and initialization.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-8-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Refactor xhci_set_cmd_ring_deq() making the code more understandable by
using more descriptive constants and separating operations logically.
- Remove 'CMD_RING_RSVD_BITS' the macro is misleading, the reserved bits
are 5:4, yet the mask is for bits 5:0.
- Introduce masks 'CMD_RING_PTR_MASK' and 'CMD_RING_CYCLE' to clearly
define the bits for the Command Ring pointer and Command Ring Cycle.
- Simplifying the process of setting the command ring address by separating
the DMA address calculation and the Command Ring Control register (crcr)
updates.
- Remove the "// " prefix from trace messages, as it is unnecessary and
distracting.
Note: In the current implementation, the cycle bit is not cleared before
applying the OR operation. Although this hasn't caused issues so far
because the bit is '0' before reaching this function, the bit is now
cleared before being set to prevent potential future problems and simplify
the process.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-7-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move command ring pointer write from xhci_mem_init() to xhci_init(),
and utilize the xhci_set_cmd_ring_deq() function.
The xhci_set_cmd_ring_deq() function is nearly identical to the Command
Ring Control register code in xhci_mem_init(). The only notable change is
the use of:
xhci_trb_virt_to_dma(xhci->cmd_ring->deq_seg, xhci->cmd_ring->dequeue)
instead of:
xhci->cmd_ring->first_seg->dma
but they are effectively the same in this context. The former represents
the exact position of the dequeue pointer, while the latter is the first
DMA in the first segment. Before use, the dequeue pointer is at the first
DMA in the first segment.
The xhci_set_cmd_ring_deq() function is moved without modification, except
for (long unsigned long) -> (unsigned long long) due to checkpatch.pl.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Refactor the setting of the Number of Device Slots Enabled field into a
separate function, relocating it to xhci_init().
The xHCI driver consistently sets the number of enabled device slots to the
maximum value. The new function is named to reflect this behavior.
Remove the "// " prefix from trace messages, as it is unnecessary and
distracting.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move pre-allocation initialization from xhci_mem_init() to xhci_init().
This change is part of an ongoing effort to separate initialization from
allocation within the xhci driver. By doing so, it will enable future
patches to re-initialize xhci driver memory without the necessity of fully
recreating it.
Additionally, compliance mode recovery initialization has been adjusted to
only occur after successful memory allocation.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In many projects, you need to obtain the available bandwidth of the
xhci roothub port. Refer to xhci rev1_2 and use the TRB_GET_BW
command to obtain it.
hardware tested:
03:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Raven USB 3.1
(prog-if 30 [XHCI])
Subsystem: Huawei Technologies Co., Ltd. Raven USB 3.1
Flags: bus master, fast devsel, latency 0, IRQ 30
Memory at c0300000 (64-bit, non-prefetchable) [size=1M]
Capabilities: [48] Vendor Specific Information: Len=08 <?>
Capabilities: [50] Power Management version 3
Capabilities: [64] Express Endpoint, MSI 00
Capabilities: [a0] MSI: Enable- Count=1/8 Maskable- 64bit+
Capabilities: [c0] MSI-X: Enable+ Count=8 Masked-
Kernel driver in use: xhci_hcd
test progress:
1. cd /sys/kernel/debug/usb/xhci/0000:03:00.3/port_bandwidth# ls
FS_BW HS_BW SS_BW
2. test fs speed device
cat FS_BW
port[1] available bw: 90%.
port[2] available bw: 90%.
port[3] available bw: 90%.
port[4] available bw: 90%.
port[5] available bw: 0%.
port[6] available bw: 0%.
port[7] available bw: 0%.
port[8] available bw: 0%.
plug in fs usb audio ID 0d8c:013c
cat FS_BW
port[1] available bw: 76%.
port[2] available bw: 76%.
port[3] available bw: 76%.
port[4] available bw: 76%.
port[5] available bw: 0%.
port[6] available bw: 0%.
port[7] available bw: 0%.
port[8] available bw: 0%.
3. test hs speed device
cat HS_BW
port[1] available bw: 79%.
port[2] available bw: 79%.
port[3] available bw: 79%.
port[4] available bw: 79%.
port[5] available bw: 0%.
port[6] available bw: 0%.
port[7] available bw: 0%.
port[8] available bw: 0%.
plug in hs usb video ID 0408:1040
cat HS_BW
port[1] available bw: 39%.
port[2] available bw: 39%.
port[3] available bw: 39%.
port[4] available bw: 39%.
port[5] available bw: 0%.
port[6] available bw: 0%.
port[7] available bw: 0%.
port[8] available bw: 0%.
4.cat SS_BW
port[1] available bw: 0%.
port[2] available bw: 0%.
port[3] available bw: 0%.
port[4] available bw: 0%.
port[5] available bw: 90%.
port[6] available bw: 90%.
port[7] available bw: 90%.
port[8] available bw: 90%.
Signed-off-by: Xu Rao <raoxu@uniontech.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The error message above used to span two lines, rarely more. A recent
cleanup concentrated useful information from it in one line, but then
it added printing the list of all ring segments, which is even longer
than before. It provides no new information in usual cases and little
in unusual ones, but adds noise to the log. Drop it.
Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250515135621.335595-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next
Mika writes:
thunderbolt: Changes for v6.16 merge window
This includes following USB4/Thunderbolt changes for the v6.16 merge
window:
- Enable wake on connect and disconnect over system suspend.
- Add mapping between Type-C ports and USB4 ports on non-Chrome systems.
- Expose tunneling related events to userspace.
All these have been in linux-next with no reported issues.
* tag 'thunderbolt-for-v6.16-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
Documentation/admin-guide: Document Thunderbolt/USB4 tunneling events
thunderbolt: Notify userspace about firmware CM tunneling events
thunderbolt: Notify userspace about software CM tunneling events
thunderbolt: Introduce domain event message handler
usb: typec: Connect Type-C port with associated USB4 port
thunderbolt: Add Thunderbolt/USB4 <-> USB3 match function
thunderbolt: Expose usb4_port_index() to other modules
thunderbolt: Fix a logic error in wake on connect
thunderbolt: Use wake on connect and disconnect over suspend
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next
Mika writes:
thunderbolt: Fix for v6.15-rc7
This includes a single USB4/Thunderbolt fix for v6.15-rc7:
- Prevent crash in tb_cfg_request_dequeue().
This has been in linux-next with no reported issues.
* tag 'thunderbolt-for-v6.15-rc7' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Do not double dequeue a configuration request
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We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull KVM fixes from Paolo Bonzini:
"ARM:
- Avoid use of uninitialized memcache pointer in user_mem_abort()
- Always set HCR_EL2.xMO bits when running in VHE, allowing
interrupts to be taken while TGE=0 and fixing an ugly bug on
AmpereOne that occurs when taking an interrupt while clearing the
xMO bits (AC03_CPU_36)
- Prevent VMMs from hiding support for AArch64 at any EL virtualized
by KVM
- Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
- Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
RISC-V:
- Add missing reset of smstateen CSRs
x86:
- Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid
causing problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to
sanitize the VMCB as its state is undefined after SHUTDOWN,
emulating INIT is the least awful choice).
- Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
- Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a
stale root.
- When dumping GHCB state, use KVM's snapshot instead of the raw GHCB
page to print state, so that KVM doesn't print stale/wrong
information.
- When changing memory attributes (e.g. shared <=> private), add
potential hugepage ranges to the mmu_invalidate_range_{start,end}
set so that KVM doesn't create a shared/private hugepage when the
the corresponding attributes will become mixed (the attributes are
commited *after* KVM finishes the invalidation).
- Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM
has at least one active VM. Effectively BP_SPEC_REDUCE when KVM is
loaded led to very measurable performance regressions for non-KVM
workloads"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SVM: Set/clear SRSO's BP_SPEC_REDUCE on 0 <=> 1 VM count transitions
KVM: arm64: Fix memory check in host_stage2_set_owner_locked()
KVM: arm64: Kill HCRX_HOST_FLAGS
KVM: arm64: Properly save/restore HCRX_EL2
KVM: arm64: selftest: Don't try to disable AArch64 support
KVM: arm64: Prevent userspace from disabling AArch64 support at any virtualisable EL
KVM: arm64: Force HCR_EL2.xMO to 1 at all times in VHE mode
KVM: arm64: Fix uninitialized memcache pointer in user_mem_abort()
KVM: x86/mmu: Prevent installing hugepages when mem attributes are changing
KVM: SVM: Update dump_ghcb() to use the GHCB snapshot fields
KVM: RISC-V: reset smstateen CSRs
KVM: x86/mmu: Check and free obsolete roots in kvm_mmu_reload()
KVM: x86: Check that the high 32bits are clear in kvm_arch_vcpu_ioctl_run()
KVM: SVM: Forcibly leave SMM mode on SHUTDOWN interception
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
- Fix delayed timers
- Fix NULL pointer deref
- Fix wrong range check
* tag 'mips-fixes_6.15_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: Fix MAX_REG_OFFSET
MIPS: CPS: Fix potential NULL pointer dereferences in cps_prepare_cpus()
MIPS: rename rollback_handler with skipover_handler
MIPS: Move r4k_wait() to .cpuidle.text section
MIPS: Fix idle VS timer enqueue
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"Fix a boot regression on very old x86 CPUs without CPUID support"
* tag 'x86-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode: Consolidate the loader enablement checking
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc timers fixes from Ingo Molnar:
- Fix time keeping bugs in CLOCK_MONOTONIC_COARSE clocks
- Work around absolute relocations into vDSO code that GCC erroneously
emits in certain arm64 build environments
- Fix a false positive lockdep warning in the i8253 clocksource driver
* tag 'timers-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/i8253: Use raw_spinlock_irqsave() in clockevent_i8253_disable()
arm64: vdso: Work around invalid absolute relocations from GCC
timekeeping: Prevent coarse clocks going backwards
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- Synaptics touchpad on multiple laptops (Dynabook Portege X30L-G,
Dynabook Portege X30-D, TUXEDO InfinityBook Pro 14 v5, Dell Precision
M3800, HP Elitebook 850 G1) switched from PS/2 to SMBus mode
- a number of new controllers added to xpad driver: HORI Drum
controller, PowerA Fusion Pro 4, PowerA MOGA XP-Ultra controller,
8BitDo Ultimate 2 Wireless Controller, 8BitDo Ultimate 3-mode
Controller, Hyperkin DuchesS Xbox One controller
- fixes to xpad driver to properly handle Mad Catz JOYTECH NEO SE
Advanced and PDP Mirror's Edge Official controllers
- fixes to xpad driver to properly handle "Share" button on some
controllers
- a fix for device initialization timing and for waking up the
controller in cyttsp5 driver
- a fix for hisi_powerkey driver to properly wake up from s2idle state
- other assorted cleanups and fixes
* tag 'input-for-v6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - fix xpad_device sorting
Input: xpad - add support for several more controllers
Input: xpad - fix Share button on Xbox One controllers
Input: xpad - fix two controller table values
Input: hisi_powerkey - enable system-wakeup for s2idle
Input: synaptics - enable InterTouch on Dell Precision M3800
Input: synaptics - enable InterTouch on TUXEDO InfinityBook Pro 14 v5
Input: synaptics - enable InterTouch on Dynabook Portege X30L-G
Input: synaptics - enable InterTouch on Dynabook Portege X30-D
Input: synaptics - enable SMBus for HP Elitebook 850 G1
Input: mtk-pmic-keys - fix possible null pointer dereference
Input: xpad - add support for 8BitDo Ultimate 2 Wireless Controller
Input: cyttsp5 - fix power control issue on wakeup
MAINTAINERS: .mailmap: update Mattijs Korpershoek's email address
dt-bindings: mediatek,mt6779-keypad: Update Mattijs' email address
Input: stmpe-ts - use module alias instead of device table
Input: cyttsp5 - ensure minimum reset pulse width
Input: sparcspkr - avoid unannotated fall-through
input/joystick: magellan: Mark __nonstring look-up table
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git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fixes from Mike Rapoport:
- Mark set_high_memory() as __init to fix section mismatch
- Accept memory allocated in memblock_double_array() to mitigate crash
of SNP guests
* tag 'fixes-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: Accept allocated memory before use in memblock_double_array()
mm,mm_init: Mark set_high_memory as __init
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A recent commit put one entry in the wrong place. This just moves it to the
right place.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-5-vi@endrift.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This adds support for several new controllers, all of which include
Share buttons:
- HORI Drum controller
- PowerA Fusion Pro 4
- 8BitDo Ultimate 3-mode Controller
- Hyperkin DuchesS Xbox One controller
- PowerA MOGA XP-Ultra controller
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-4-vi@endrift.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The Share button, if present, is always one of two offsets from the end of the
file, depending on the presence of a specific interface. As we lack parsing for
the identify packet we can't automatically determine the presence of that
interface, but we can hardcode which of these offsets is correct for a given
controller.
More controllers are probably fixable by adding the MAP_SHARE_BUTTON in the
future, but for now I only added the ones that I have the ability to test
directly.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-2-vi@endrift.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Two controllers -- Mad Catz JOYTECH NEO SE Advanced and PDP Mirror's
Edge Official -- were missing the value of the mapping field, and thus
wouldn't detect properly.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Link: https://lore.kernel.org/r/20250328234345.989761-1-vi@endrift.com
Fixes: 540602a43ae5 ("Input: xpad - add a few new VID/PID combinations")
Fixes: 3492321e2e60 ("Input: xpad - add multiple supported devices")
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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To wake up the system from s2idle when pressing the power-button, let's
convert from using pm_wakeup_event() to pm_wakeup_dev_event(), as it allows
us to specify the "hard" in-parameter, which needs to be set for s2idle.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20250306115021.797426-1-ulf.hansson@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"22 hotfixes. 13 are cc:stable and the remainder address post-6.14
issues or aren't considered necessary for -stable kernels.
About half are for MM. Five OCFS2 fixes and a few MAINTAINERS updates"
* tag 'mm-hotfixes-stable-2025-05-10-14-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits)
mm: fix folio_pte_batch() on XEN PV
nilfs2: fix deadlock warnings caused by lock dependency in init_nilfs()
mm/hugetlb: copy the CMA flag when demoting
mm, swap: fix false warning for large allocation with !THP_SWAP
selftests/mm: fix a build failure on powerpc
selftests/mm: fix build break when compiling pkey_util.c
mm: vmalloc: support more granular vrealloc() sizing
tools/testing/selftests: fix guard region test tmpfs assumption
ocfs2: stop quota recovery before disabling quotas
ocfs2: implement handshaking with ocfs2 recovery thread
ocfs2: switch osb->disable_recovery to enum
mailmap: map Uwe's BayLibre addresses to a single one
MAINTAINERS: add mm THP section
mm/userfaultfd: fix uninitialized output field for -EAGAIN race
selftests/mm: compaction_test: support platform with huge mount of memory
MAINTAINERS: add core mm section
ocfs2: fix panic in failed foilio allocation
mm/huge_memory: fix dereferencing invalid pmd migration entry
MAINTAINERS: add reverse mapping section
x86: disable image size check for test builds
...
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git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core fix from Greg KH:
"Here is a single driver core fix for a regression for platform devices
that is a regression from a change that went into 6.15-rc1 that
affected Pixel devices. It has been in linux-next for over a week with
no reported problems"
* tag 'driver-core-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
platform: Fix race condition during DMA configure at IOMMU probe time
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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 6.15-rc6. Included in here
are:
- typec driver fixes
- usbtmc ioctl fixes
- xhci driver fixes
- cdnsp driver fixes
- some gadget driver fixes
Nothing really major, just all little stuff that people have reported
being issues. All of these have been in linux-next this week with no
reported issues"
* tag 'usb-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: dbc: Avoid event polling busyloop if pending rx transfers are inactive.
usb: xhci: Don't trust the EP Context cycle bit when moving HW dequeue
usb: usbtmc: Fix erroneous generic_read ioctl return
usb: usbtmc: Fix erroneous wait_srq ioctl return
usb: usbtmc: Fix erroneous get_stb ioctl error returns
usb: typec: tcpm: delay SNK_TRY_WAIT_DEBOUNCE to SRC_TRYWAIT transition
USB: usbtmc: use interruptible sleep in usbtmc_read
usb: cdnsp: fix L1 resume issue for RTL_REVISION_NEW_LPM version
usb: typec: ucsi: displayport: Fix NULL pointer access
usb: typec: ucsi: displayport: Fix deadlock
usb: misc: onboard_usb_dev: fix support for Cypress HX3 hubs
usb: uhci-platform: Make the clock really optional
usb: dwc3: gadget: Make gadget_wakeup asynchronous
usb: gadget: Use get_status callback to set remote wakeup capability
usb: gadget: f_ecm: Add get_status callback
usb: host: tegra: Prevent host controller crash when OTG port is used
usb: cdnsp: Fix issue with resuming from L1
usb: gadget: tegra-xudc: ACK ST_RC after clearing CTRL_RUN
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are three small staging driver fixes for 6.15-rc6. These are:
- bcm2835-camera driver fix
- two axis-fifo driver fixes
All of these have been in linux-next for a few weeks with no reported
issues"
* tag 'staging-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: axis-fifo: Remove hardware resets for user errors
staging: axis-fifo: Correct handling of tx_fifo_depth for size validation
staging: bcm2835-camera: Initialise dev in v4l2_dev
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/IIO driver fixes from Greg KH:
"Here are a bunch of small driver fixes (mostly all IIO) for 6.15-rc6.
Included in here are:
- loads of tiny IIO driver fixes for reported issues
- hyperv driver fix for a much-reported and worked on sysfs ring
buffer creation bug
All of these have been in linux-next for over a week (the IIO ones for
many weeks now), with no reported issues"
* tag 'char-misc-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (30 commits)
Drivers: hv: Make the sysfs node size for the ring buffer dynamic
uio_hv_generic: Fix sysfs creation path for ring buffer
iio: adis16201: Correct inclinometer channel resolution
iio: adc: ad7606: fix serial register access
iio: pressure: mprls0025pa: use aligned_s64 for timestamp
iio: imu: adis16550: align buffers for timestamp
staging: iio: adc: ad7816: Correct conditional logic for store mode
iio: adc: ad7266: Fix potential timestamp alignment issue.
iio: adc: ad7768-1: Fix insufficient alignment of timestamp.
iio: adc: dln2: Use aligned_s64 for timestamp
iio: accel: adxl355: Make timestamp 64-bit aligned using aligned_s64
iio: temp: maxim-thermocouple: Fix potential lack of DMA safe buffer.
iio: chemical: pms7003: use aligned_s64 for timestamp
iio: chemical: sps30: use aligned_s64 for timestamp
iio: imu: inv_mpu6050: align buffer for timestamp
iio: imu: st_lsm6dsx: Fix wakeup source leaks on device unbind
iio: adc: qcom-spmi-iadc: Fix wakeup source leaks on device unbind
iio: accel: fxls8962af: Fix wakeup source leaks on device unbind
iio: adc: ad7380: fix event threshold shift
iio: hid-sensor-prox: Fix incorrect OFFSET calculation
...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
* tag 'i2c-for-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: Remove entry for Seth Heasley
i2c: omap: fix deprecated of_property_read_bool() use
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- A fix for the xenbus driver allowing to use a PVH Dom0 with
Xenstore running in another domain
- A fix for the xenbus driver addressing a rare race condition
resulting in NULL dereferences and other problems
- A fix for the xen-swiotlb driver fixing a problem seen on Arm
platforms
* tag 'for-linus-6.15a-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xenbus: Use kref to track req lifetime
xenbus: Allow PVH dom0 a non-local xenstore
xen: swiotlb: Use swiotlb bouncing if kmalloc allocation demands it
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Pull mount fixes from Al Viro:
"A couple of races around legalize_mnt vs umount (both fairly old and
hard to hit) plus two bugs in move_mount(2) - both around 'move
detached subtree in place' logics"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix IS_MNT_PROPAGATING uses
do_move_mount(): don't leak MNTNS_PROPAGATING on failures
do_umount(): add missing barrier before refcount checks in sync case
__legitimize_mnt(): check for MNT_SYNC_UMOUNT should be under mount_lock
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KVM x86 fixes for 6.15-rcN
- Forcibly leave SMM on SHUTDOWN interception on AMD CPUs to avoid causing
problems due to KVM stuffing INIT on SHUTDOWN (KVM needs to sanitize the
VMCB as its state is undefined after SHUTDOWN, emulating INIT is the
least awful choice).
- Track the valid sync/dirty fields in kvm_run as a u64 to ensure KVM
KVM doesn't goof a sanity check in the future.
- Free obsolete roots when (re)loading the MMU to fix a bug where
pre-faulting memory can get stuck due to always encountering a stale
root.
- When dumping GHCB state, use KVM's snapshot instead of the raw GHCB page
to print state, so that KVM doesn't print stale/wrong information.
- When changing memory attributes (e.g. shared <=> private), add potential
hugepage ranges to the mmu_invalidate_range_{start,end} set so that KVM
doesn't create a shared/private hugepage when the the corresponding
attributes will become mixed (the attributes are commited *after* KVM
finishes the invalidation).
- Rework the SRSO mitigation to enable BP_SPEC_REDUCE only when KVM has at
least one active VM. Effectively BP_SPEC_REDUCE when KVM is loaded led
to very measurable performance regressions for non-KVM workloads.
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https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.15, round #3
- Avoid use of uninitialized memcache pointer in user_mem_abort()
- Always set HCR_EL2.xMO bits when running in VHE, allowing interrupts
to be taken while TGE=0 and fixing an ugly bug on AmpereOne that
occurs when taking an interrupt while clearing the xMO bits
(AC03_CPU_36)
- Prevent VMMs from hiding support for AArch64 at any EL virtualized by
KVM
- Save/restore the host value for HCRX_EL2 instead of restoring an
incorrect fixed value
- Make host_stage2_set_owner_locked() check that the entire requested
range is memory rather than just the first page
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into HEAD
KVM/riscv fixes for 6.15, take #1
- Add missing reset of smstateen CSRs
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git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v6.15-rc6
- omap: use correct function to read from device tree
- MAINTAINERS: remove Seth from ISMT maintainership
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Pull smb client fixes from Steve French:
- Fix dentry leak which can cause umount crash
- Add warning for parse contexts error on compounded operation
* tag '6.15-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: Avoid race in open_cached_dir with lease breaks
smb3 client: warn when parse contexts returns error on compounded operation
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propagate_mnt() does not attach anything to mounts created during
propagate_mnt() itself. What's more, anything on ->mnt_slave_list
of such new mount must also be new, so we don't need to even look
there.
When move_mount() had been introduced, we've got an additional
class of mounts to skip - if we are moving from anon namespace,
we do not want to propagate to mounts we are moving (i.e. all
mounts in that anon namespace).
Unfortunately, the part about "everything on their ->mnt_slave_list
will also be ignorable" is not true - if we have propagation graph
A -> B -> C
and do OPEN_TREE_CLONE open_tree() of B, we get
A -> [B <-> B'] -> C
as propagation graph, where B' is a clone of B in our detached tree.
Making B private will result in
A -> B' -> C
C still gets propagation from A, as it would after making B private
if we hadn't done that open_tree(), but now the propagation goes
through B'. Trying to move_mount() our detached tree on subdirectory
in A should have
* moved B' on that subdirectory in A
* skipped the corresponding subdirectory in B' itself
* copied B' on the corresponding subdirectory in C.
As it is, the logics in propagation_next() and friends ends up
skipping propagation into C, since it doesn't consider anything
downstream of B'.
IOW, walking the propagation graph should only skip the ->mnt_slave_list
of new mounts; the only places where the check for "in that one
anon namespace" are applicable are propagate_one() (where we should
treat that as the same kind of thing as "mountpoint we are looking
at is not visible in the mount we are looking at") and
propagation_would_overmount(). The latter is better dealt with
in the caller (can_move_mount_beneath()); on the first call of
propagation_would_overmount() the test is always false, on the
second it is always true in "move from anon namespace" case and
always false in "move within our namespace" one, so it's easier
to just use check_mnt() before bothering with the second call and
be done with that.
Fixes: 064fe6e233e8 ("mount: handle mount propagation for detached mount trees")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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as it is, a failed move_mount(2) from anon namespace breaks
all further propagation into that namespace, including normal
mounts in non-anon namespaces that would otherwise propagate
there.
Fixes: 064fe6e233e8 ("mount: handle mount propagation for detached mount trees")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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do_umount() analogue of the race fixed in 119e1ef80ecf "fix
__legitimize_mnt()/mntput() race". Here we want to make sure that
if __legitimize_mnt() doesn't notice our lock_mount_hash(), we will
notice their refcount increment. Harder to hit than mntput_no_expire()
one, fortunately, and consequences are milder (sync umount acting
like umount -l on a rare race with RCU pathwalk hitting at just the
wrong time instead of use-after-free galore mntput_no_expire()
counterpart used to be hit). Still a bug...
Fixes: 48a066e72d97 ("RCU'd vfsmounts")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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... or we risk stealing final mntput from sync umount - raising mnt_count
after umount(2) has verified that victim is not busy, but before it
has set MNT_SYNC_UMOUNT; in that case __legitimize_mnt() doesn't see
that it's safe to quietly undo mnt_count increment and leaves dropping
the reference to caller, where it'll be a full-blown mntput().
Check under mount_lock is needed; leaving the current one done before
taking that makes no sense - it's nowhere near common enough to bother
with.
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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