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Author SHA1 Message Date
Hongbo Li
ef9ca17ca4
hostfs: fix the host directory parse when mounting. 
hostfs not keep the host directory when mounting. When the host
directory is none (default), fc->source is used as the host root
directory, and this is wrong. Here we use `parse_monolithic` to
handle the old mount path for parsing the root directory. For new
mount path, The `parse_param` is used for the host directory parse.

Reported-and-tested-by: Maciej Żenczykowski <maze@google.com>
Fixes: cd140ce9f611 ("hostfs: convert hostfs to use the new mount API")
Link: https://lore.kernel.org/all/CANP3RGceNzwdb7w=vPf5=7BCid5HVQDmz1K5kC9JG42+HVAh_g@mail.gmail.com/
Cc: Christian Brauner <brauner@kernel.org>
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Link: https://lore.kernel.org/r/20240725065130.1821964-1-lihongbo22@huawei.com
[brauner: minor fixes]
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-27 09:56:33 +02:00
Seth Forshee (DigitalOcean)
e1c5ae59c0
fs: don't allow non-init s_user_ns for filesystems without FS_USERNS_MOUNT 
Christian noticed that it is possible for a privileged user to mount
most filesystems with a non-initial user namespace in sb->s_user_ns.
When fsopen() is called in a non-init namespace the caller's namespace
is recorded in fs_context->user_ns. If the returned file descriptor is
then passed to a process priviliged in init_user_ns, that process can
call fsconfig(fd_fs, FSCONFIG_CMD_CREATE), creating a new superblock
with sb->s_user_ns set to the namespace of the process which called
fsopen().

This is problematic. We cannot assume that any filesystem which does not
set FS_USERNS_MOUNT has been written with a non-initial s_user_ns in
mind, increasing the risk for bugs and security issues.

Prevent this by returning EPERM from sget_fc() when FS_USERNS_MOUNT is
not set for the filesystem and a non-initial user namespace will be
used. sget() does not need to be updated as it always uses the user
namespace of the current context, or the initial user namespace if
SB_SUBMOUNT is set.

Fixes: cb50b348c71f ("convenience helpers: vfs_get_super() and sget_fc()")
Reported-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Seth Forshee (DigitalOcean) <sforshee@kernel.org>
Link: https://lore.kernel.org/r/20240724-s_user_ns-fix-v1-1-895d07c94701@kernel.org
Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-27 09:56:33 +02:00
Linus Torvalds
c33ffdb70c phy-for-6.11 
- New Support
   - Samsung Exynos gs101 drd combo phy
   - Qualcomm SC8180x USB uniphy, IPQ9574 QMP PCIe phy
   - Airoha EN7581 PCIe phy
   - Freescale i.MX8Q HSIO SerDes phy
   - Starfive jh7110 dphy tx
 
 - Updates
   - Resume support for j721e-wiz driver
   - Updates to Exynos usbdrd driver
   - Support for optional power domains in g12a usb2-phy driver
   - Debugfs support and updates to zynqmp driver
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Merge tag 'phy-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

Pull phy updates from Vinod Koul:
 "New Support
   - Samsung Exynos gs101 drd combo phy
   - Qualcomm SC8180x USB uniphy, IPQ9574 QMP PCIe phy
   - Airoha EN7581 PCIe phy
   - Freescale i.MX8Q HSIO SerDes phy
   - Starfive jh7110 dphy tx

  Updates:
   - Resume support for j721e-wiz driver
   - Updates to Exynos usbdrd driver
   - Support for optional power domains in g12a usb2-phy driver
   - Debugfs support and updates to zynqmp driver"

* tag 'phy-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (56 commits)
  phy: airoha: Add dtime and Rx AEQ IO registers
  dt-bindings: phy: airoha: Add dtime and Rx AEQ IO registers
  dt-bindings: phy: rockchip-emmc-phy: Convert to dtschema
  dt-bindings: phy: qcom,qmp-usb: fix spelling error
  phy: exynos5-usbdrd: support Exynos USBDRD 3.1 combo phy (HS & SS)
  phy: exynos5-usbdrd: convert Vbus supplies to regulator_bulk
  phy: exynos5-usbdrd: convert (phy) register access clock to clk_bulk
  phy: exynos5-usbdrd: convert core clocks to clk_bulk
  phy: exynos5-usbdrd: support isolating HS and SS ports independently
  dt-bindings: phy: samsung,usb3-drd-phy: add gs101 compatible
  phy: core: Fix documentation of of_phy_get
  phy: starfive: Correct the dphy configure process
  phy: zynqmp: Add debugfs support
  phy: zynqmp: Take the phy mutex in xlate
  phy: zynqmp: Only wait for PLL lock "primary" instances
  phy: zynqmp: Store instance instead of type
  phy: zynqmp: Enable reference clock correctly
  phy: cadence-torrent: Check return value on register read
  phy: Fix the cacography in phy-exynos5250-usb2.c
  phy: phy-rockchip-samsung-hdptx: Select CONFIG_MFD_SYSCON
  ...
 2024-07-24 13:11:28 -07:00
Linus Torvalds
ad7b0b7b87 soundwire updates for 6.11 
- Simplification across subsystem using cleanup.h
  - Support for debugfs to read/write commands
  - Few Intel and Qualcomm driver updates
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Merge tag 'soundwire-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

Pull soundwire updates from Vinod Koul:

 - Simplification across subsystem using cleanup.h

 - Support for debugfs to read/write commands

 - Few Intel and Qualcomm driver updates

* tag 'soundwire-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: debugfs: simplify with cleanup.h
  soundwire: cadence: simplify with cleanup.h
  soundwire: intel_ace2x: simplify with cleanup.h
  soundwire: intel_ace2x: simplify return path in hw_params
  soundwire: intel: simplify with cleanup.h
  soundwire: intel: simplify return path in hw_params
  soundwire: amd_init: simplify with cleanup.h
  soundwire: amd: simplify with cleanup.h
  soundwire: amd: simplify return path in hw_params
  soundwire: intel_auxdevice: start the bus at default frequency
  soundwire: intel_auxdevice: add cs42l43 codec to wake_capable_list
  drivers:soundwire: qcom: cleanup port maask calculations
  soundwire: bus: simplify by using local slave->prop
  soundwire: generic_bandwidth_allocation: change port_bo parameter to pointer
  soundwire: Intel: clarify Copyright information
  soundwire: intel_ace2.x: add AC timing extensions for PantherLake
  soundwire: bus: add stream refcount
  soundwire: debugfs: add interface to read/write commands
 2024-07-24 13:04:43 -07:00
Linus Torvalds
7a46b17d4c dmaengine updates for v6.11 
New support:
   - New dmaengine_prep_peripheral_dma_vec() to support transfers using dma
     vectors and documentation and user in AXI dma
   - STMicro STM32 DMA3 support and new capabilities of cyclic dma
 
  Updates:
   - Yaml conversion for Freescale imx dma and qdma bindings, sprd sc9860 dma
     binding
   - Altera msgdma updates for descriptor management
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Merge tag 'dmaengine-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "New support:

   - New dmaengine_prep_peripheral_dma_vec() to support transfers using
     dma vectors and documentation and user in AXI dma

   - STMicro STM32 DMA3 support and new capabilities of cyclic dma

  Updates:

   - Yaml conversion for Freescale imx dma and qdma bindings,
     sprd sc9860 dma binding

   - Altera msgdma updates for descriptor management"

* tag 'dmaengine-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (35 commits)
  dt-bindings: fsl-qdma: fix interrupts 'if' check logic
  dt-bindings: dma: sprd,sc9860-dma: convert to YAML
  dmaengine: fsl-dpaa2-qdma: add missing MODULE_DESCRIPTION() macro
  dmaengine: ti: add missing MODULE_DESCRIPTION() macros
  dmaengine: ti: cppi41: add missing MODULE_DESCRIPTION() macro
  dmaengine: virt-dma: add missing MODULE_DESCRIPTION() macro
  dmaengine: ti: k3-udma: Fix BCHAN count with UHC and HC channels
  dmaengine: sh: rz-dmac: Fix lockdep assert warning
  dmaengine: qcom: gpi: clean up the IRQ disable/enable in gpi_reset_chan()
  dmaengine: fsl-edma: change the memory access from local into remote mode in i.MX 8QM
  dmaengine: qcom: gpi: remove unused struct 'reg_info'
  dmaengine: moxart-dma: remove unused struct 'moxart_filter_data'
  dt-bindings: fsl-qdma: Convert to yaml format
  dmaengine: fsl-edma: remove redundant "idle" field from fsl_chan
  dmaengine: fsl-edma: request per-channel IRQ only when channel is allocated
  dmaengine: stm32-dma3: defer channel registration to specify channel name
  dmaengine: add channel device name to channel registration
  dmaengine: stm32-dma3: improve residue granularity
  dmaengine: stm32-dma3: add device_pause and device_resume ops
  dmaengine: stm32-dma3: add DMA_MEMCPY capability
  ...
 2024-07-24 12:34:47 -07:00
Linus Torvalds
7a3fad30fd Random number generator updates for Linux 6.11-rc1. 
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Merge tag 'random-6.11-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

Pull random number generator updates from Jason Donenfeld:
 "This adds getrandom() support to the vDSO.

  First, it adds a new kind of mapping to mmap(2), MAP_DROPPABLE, which
  lets the kernel zero out pages anytime under memory pressure, which
  enables allocating memory that never gets swapped to disk but also
  doesn't count as being mlocked.

  Then, the vDSO implementation of getrandom() is introduced in a
  generic manner and hooked into random.c.

  Next, this is implemented on x86. (Also, though it's not ready for
  this pull, somebody has begun an arm64 implementation already)

  Finally, two vDSO selftests are added.

  There are also two housekeeping cleanup commits"

* tag 'random-6.11-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
  MAINTAINERS: add random.h headers to RNG subsection
  random: note that RNDGETPOOL was removed in 2.6.9-rc2
  selftests/vDSO: add tests for vgetrandom
  x86: vdso: Wire up getrandom() vDSO implementation
  random: introduce generic vDSO getrandom() implementation
  mm: add MAP_DROPPABLE for designating always lazily freeable mappings
 2024-07-24 10:29:50 -07:00
Linus Torvalds
d1e9a63dcd vfs-6.11-rc1.fixes.2 
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Merge tag 'vfs-6.11-rc1.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull vfs fixes from Christian Brauner:
 "VFS:

   - The new 64bit mount ids start after the old mount id, i.e., at the
     first non-32 bit value. However, we started counting one id too
     late and thus lost 4294967296 as the first valid id. Fix that.

   - Update a few comments on some vfs_*() creation helpers.

   - Move copying of the xattr name out from the locks required to start
     a filesystem write.

   - Extend the filelock lock UAF fix to the compat code as well.

   - Now that we added the ability to look up an inode under RCU it's
     possible that lockless hash lookup can find and lock an inode after
     it gets I_FREEING set. It then waits until inode teardown in
     evict() is finished.

     The flag however is still set after evict() has woken up all
     waiters. If the inode lock is taken late enough on the waiting side
     after hash removal and wakeup happened the waiting thread will
     never be woken.

     Before RCU based lookup this was synchronized via the
     inode_hash_lock. But since unhashing requires the inode lock as
     well we can check whether the inode is unhashed while holding inode
     lock even without holding inode_hash_lock.

  pidfd:

   - The nsproxy structure contains nearly all of the namespaces
     associated with a task. When a namespace type isn't supported
     nsproxy might contain a NULL pointer or always point to the initial
     namespace type. The logic isn't consistent. So when deriving
     namespace fds we need to ensure that the namespace type is
     supported.

     First, so that we don't risk dereferncing NULL pointers. The
     correct bigger fix would be to change all namespaces to always set
     a valid namespace pointer in struct nsproxy independent of whether
     or not it is compiled in. But that requires quite a few changes.

     Second, so that we don't allow deriving namespace fds when the
     namespace type doesn't exist and thus when they couldn't also be
     derived via /proc/self/ns/.

   - Add missing selftests for the new pidfd ioctls to derive namespace
     fds. This simply extends the already existing testsuite.

  netfs:

   - Fix debug logging and fix kconfig variable name so it actually
     works.

   - Fix writeback that goes both to the server and cache. The streams
     are only activated once a subreq is added. When a server write
     happens the subreq doesn't need to have finished by the time the
     cache write is started. If the server write has already finished by
     the time the cache write is about to start the cache write will
     operate on a folio that might already have been reused. Fix this by
     preactivating the cache write.

   - Limit cachefiles subreq size for cache writes to MAX_RW_COUNT"

* tag 'vfs-6.11-rc1.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
  inode: clarify what's locked
  vfs: Fix potential circular locking through setxattr() and removexattr()
  filelock: Fix fcntl/close race recovery compat path
  fs: use all available ids
  cachefiles: Set the max subreq size for cache writes to MAX_RW_COUNT
  netfs: Fix writeback that needs to go to both server and cache
  pidfs: add selftests for new namespace ioctls
  pidfs: handle kernels without namespaces cleanly
  pidfs: when time ns disabled add check for ioctl
  vfs: correct the comments of vfs_*() helpers
  vfs: handle __wait_on_freeing_inode() and evict() race
  netfs: Rename CONFIG_FSCACHE_DEBUG to CONFIG_NETFS_DEBUG
  netfs: Revert "netfs: Switch debug logging to pr_debug()"
 2024-07-24 09:42:51 -07:00
Linus Torvalds
e44be00289 hostfs: fix folio conversion 
Commit e3ec0fe944d2 ("hostfs: Convert hostfs_read_folio() to use a
folio") simplified hostfs_read_folio(), but in the process of converting
to using folios natively also mis-used the folio_zero_tail() function
due to the very confusing API of that function.

Very arguably it's folio_zero_tail() API itself that is buggy, since it
would make more sense (and the documentation kind of implies) that the
third argument would be the pointer to the beginning of the folio
buffer.

But no, the third argument to folio_zero_tail() is where we should start
zeroing the tail (even if we already also pass in the offset separately
as the second argument).

So fix the hostfs caller, and we can leave any folio_zero_tail() sanity
cleanup for later.

Reported-and-tested-by: Maciej Żenczykowski <maze@google.com>
Fixes: e3ec0fe944d2 ("hostfs: Convert hostfs_read_folio() to use a folio")
Link: https://lore.kernel.org/all/CANP3RGceNzwdb7w=vPf5=7BCid5HVQDmz1K5kC9JG42+HVAh_g@mail.gmail.com/
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Christian Brauner <brauner@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2024-07-24 09:25:15 -07:00
Christian Brauner
f5e5e97c71
inode: clarify what's locked 
In __wait_on_freeing_inode() we warn in case the inode_hash_lock is held
but the inode is unhashed. We then release the inode_lock. So using
"locked" as parameter name is confusing. Use is_inode_hash_locked as
parameter name instead.

Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 11:11:40 +02:00
David Howells
c3a5e3e872
vfs: Fix potential circular locking through setxattr() and removexattr() 
When using cachefiles, lockdep may emit something similar to the circular
locking dependency notice below.  The problem appears to stem from the
following:

 (1) Cachefiles manipulates xattrs on the files in its cache when called
     from ->writepages().

 (2) The setxattr() and removexattr() system call handlers get the name
     (and value) from userspace after taking the sb_writers lock, putting
     accesses of the vma->vm_lock and mm->mmap_lock inside of that.

 (3) The afs filesystem uses a per-inode lock to prevent multiple
     revalidation RPCs and in writeback vs truncate to prevent parallel
     operations from deadlocking against the server on one side and local
     page locks on the other.

Fix this by moving the getting of the name and value in {get,remove}xattr()
outside of the sb_writers lock.  This also has the minor benefits that we
don't need to reget these in the event of a retry and we never try to take
the sb_writers lock in the event we can't pull the name and value into the
kernel.

Alternative approaches that might fix this include moving the dispatch of a
write to the cache off to a workqueue or trying to do without the
validation lock in afs.  Note that this might also affect other filesystems
that use netfslib and/or cachefiles.

 ======================================================
 WARNING: possible circular locking dependency detected
 6.10.0-build2+ #956 Not tainted
 ------------------------------------------------------
 fsstress/6050 is trying to acquire lock:
 ffff888138fd82f0 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_fault+0x26e/0x8b0

 but task is already holding lock:
 ffff888113f26d18 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x165/0x250

 which lock already depends on the new lock.

 the existing dependency chain (in reverse order) is:

 -> #4 (&vma->vm_lock->lock){++++}-{3:3}:
        __lock_acquire+0xaf0/0xd80
        lock_acquire.part.0+0x103/0x280
        down_write+0x3b/0x50
        vma_start_write+0x6b/0xa0
        vma_link+0xcc/0x140
        insert_vm_struct+0xb7/0xf0
        alloc_bprm+0x2c1/0x390
        kernel_execve+0x65/0x1a0
        call_usermodehelper_exec_async+0x14d/0x190
        ret_from_fork+0x24/0x40
        ret_from_fork_asm+0x1a/0x30

 -> #3 (&mm->mmap_lock){++++}-{3:3}:
        __lock_acquire+0xaf0/0xd80
        lock_acquire.part.0+0x103/0x280
        __might_fault+0x7c/0xb0
        strncpy_from_user+0x25/0x160
        removexattr+0x7f/0x100
        __do_sys_fremovexattr+0x7e/0xb0
        do_syscall_64+0x9f/0x100
        entry_SYSCALL_64_after_hwframe+0x76/0x7e

 -> #2 (sb_writers#14){.+.+}-{0:0}:
        __lock_acquire+0xaf0/0xd80
        lock_acquire.part.0+0x103/0x280
        percpu_down_read+0x3c/0x90
        vfs_iocb_iter_write+0xe9/0x1d0
        __cachefiles_write+0x367/0x430
        cachefiles_issue_write+0x299/0x2f0
        netfs_advance_write+0x117/0x140
        netfs_write_folio.isra.0+0x5ca/0x6e0
        netfs_writepages+0x230/0x2f0
        afs_writepages+0x4d/0x70
        do_writepages+0x1e8/0x3e0
        filemap_fdatawrite_wbc+0x84/0xa0
        __filemap_fdatawrite_range+0xa8/0xf0
        file_write_and_wait_range+0x59/0x90
        afs_release+0x10f/0x270
        __fput+0x25f/0x3d0
        __do_sys_close+0x43/0x70
        do_syscall_64+0x9f/0x100
        entry_SYSCALL_64_after_hwframe+0x76/0x7e

 -> #1 (&vnode->validate_lock){++++}-{3:3}:
        __lock_acquire+0xaf0/0xd80
        lock_acquire.part.0+0x103/0x280
        down_read+0x95/0x200
        afs_writepages+0x37/0x70
        do_writepages+0x1e8/0x3e0
        filemap_fdatawrite_wbc+0x84/0xa0
        filemap_invalidate_inode+0x167/0x1e0
        netfs_unbuffered_write_iter+0x1bd/0x2d0
        vfs_write+0x22e/0x320
        ksys_write+0xbc/0x130
        do_syscall_64+0x9f/0x100
        entry_SYSCALL_64_after_hwframe+0x76/0x7e

 -> #0 (mapping.invalidate_lock#3){++++}-{3:3}:
        check_noncircular+0x119/0x160
        check_prev_add+0x195/0x430
        __lock_acquire+0xaf0/0xd80
        lock_acquire.part.0+0x103/0x280
        down_read+0x95/0x200
        filemap_fault+0x26e/0x8b0
        __do_fault+0x57/0xd0
        do_pte_missing+0x23b/0x320
        __handle_mm_fault+0x2d4/0x320
        handle_mm_fault+0x14f/0x260
        do_user_addr_fault+0x2a2/0x500
        exc_page_fault+0x71/0x90
        asm_exc_page_fault+0x22/0x30

 other info that might help us debug this:

 Chain exists of:
   mapping.invalidate_lock#3 --> &mm->mmap_lock --> &vma->vm_lock->lock

  Possible unsafe locking scenario:

        CPU0                    CPU1
        ----                    ----
   rlock(&vma->vm_lock->lock);
                                lock(&mm->mmap_lock);
                                lock(&vma->vm_lock->lock);
   rlock(mapping.invalidate_lock#3);

  *** DEADLOCK ***

 1 lock held by fsstress/6050:
  #0: ffff888113f26d18 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x165/0x250

 stack backtrace:
 CPU: 0 PID: 6050 Comm: fsstress Not tainted 6.10.0-build2+ #956
 Hardware name: ASUS All Series/H97-PLUS, BIOS 2306 10/09/2014
 Call Trace:
  <TASK>
  dump_stack_lvl+0x57/0x80
  check_noncircular+0x119/0x160
  ? queued_spin_lock_slowpath+0x4be/0x510
  ? __pfx_check_noncircular+0x10/0x10
  ? __pfx_queued_spin_lock_slowpath+0x10/0x10
  ? mark_lock+0x47/0x160
  ? init_chain_block+0x9c/0xc0
  ? add_chain_block+0x84/0xf0
  check_prev_add+0x195/0x430
  __lock_acquire+0xaf0/0xd80
  ? __pfx___lock_acquire+0x10/0x10
  ? __lock_release.isra.0+0x13b/0x230
  lock_acquire.part.0+0x103/0x280
  ? filemap_fault+0x26e/0x8b0
  ? __pfx_lock_acquire.part.0+0x10/0x10
  ? rcu_is_watching+0x34/0x60
  ? lock_acquire+0xd7/0x120
  down_read+0x95/0x200
  ? filemap_fault+0x26e/0x8b0
  ? __pfx_down_read+0x10/0x10
  ? __filemap_get_folio+0x25/0x1a0
  filemap_fault+0x26e/0x8b0
  ? __pfx_filemap_fault+0x10/0x10
  ? find_held_lock+0x7c/0x90
  ? __pfx___lock_release.isra.0+0x10/0x10
  ? __pte_offset_map+0x99/0x110
  __do_fault+0x57/0xd0
  do_pte_missing+0x23b/0x320
  __handle_mm_fault+0x2d4/0x320
  ? __pfx___handle_mm_fault+0x10/0x10
  handle_mm_fault+0x14f/0x260
  do_user_addr_fault+0x2a2/0x500
  exc_page_fault+0x71/0x90
  asm_exc_page_fault+0x22/0x30

Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/2136178.1721725194@warthog.procyon.org.uk
cc: Alexander Viro <viro@zeniv.linux.org.uk>
cc: Christian Brauner <brauner@kernel.org>
cc: Jan Kara <jack@suse.cz>
cc: Jeff Layton <jlayton@kernel.org>
cc: Gao Xiang <xiang@kernel.org>
cc: Matthew Wilcox <willy@infradead.org>
cc: netfs@lists.linux.dev
cc: linux-erofs@lists.ozlabs.org
cc: linux-fsdevel@vger.kernel.org
[brauner: fix minor issues]
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:53:14 +02:00
Jann Horn
f8138f2ad2
filelock: Fix fcntl/close race recovery compat path 
When I wrote commit 3cad1bc01041 ("filelock: Remove locks reliably when
fcntl/close race is detected"), I missed that there are two copies of the
code I was patching: The normal version, and the version for 64-bit offsets
on 32-bit kernels.
Thanks to Greg KH for stumbling over this while doing the stable
backport...

Apply exactly the same fix to the compat path for 32-bit kernels.

Fixes: c293621bbf67 ("[PATCH] stale POSIX lock handling")
Cc: stable@kernel.org
Link: https://bugs.chromium.org/p/project-zero/issues/detail?id=2563
Signed-off-by: Jann Horn <jannh@google.com>
Link: https://lore.kernel.org/r/20240723-fs-lock-recover-compatfix-v1-1-148096719529@google.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:53:14 +02:00
Christian Brauner
8eac5358ad
fs: use all available ids 
The counter is unconditionally incremented for each mount allocation.
If we set it to 1ULL << 32 we're losing 4294967296 as the first valid
non-32 bit mount id.

Link: https://lore.kernel.org/r/20240719-work-mount-namespace-v1-1-834113cab0d2@kernel.org
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:53:13 +02:00
David Howells
51d37982bb
cachefiles: Set the max subreq size for cache writes to MAX_RW_COUNT 
Set the maximum size of a subrequest that writes to cachefiles to be
MAX_RW_COUNT so that we don't overrun the maximum write we can make to the
backing filesystem.

Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/1599005.1721398742@warthog.procyon.org.uk
cc: Jeff Layton <jlayton@kernel.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:53:13 +02:00
David Howells
212be98aa1
netfs: Fix writeback that needs to go to both server and cache 
When netfslib is performing writeback (ie. ->writepages), it maintains two
parallel streams of writes, one to the server and one to the cache, but it
doesn't mark either stream of writes as active until it gets some data that
needs to be written to that stream.

This is done because some folios will only be written to the cache
(e.g. copying to the cache on read is done by marking the folios and
letting writeback do the actual work) and sometimes we'll only be writing
to the server (e.g. if there's no cache).

Now, since we don't actually dispatch uploads and cache writes in parallel,
but rather flip between the streams, depending on which has the lowest
so-far-issued offset, and don't wait for the subreqs to finish before
flipping, we can end up in a situation where, say, we issue a write to the
server and this completes before we start the write to the cache.

But because we only activate a stream when we first add a subreq to it, the
result collection code may run before we manage to activate the stream -
resulting in the folio being cleaned and having the writeback-in-progress
mark removed.  At this point, the folio no longer belongs to us.

This is only really a problem for folios that need to be written to both
streams - and in that case, the upload to the server is started first,
followed by the write to the cache - and the cache write may see a bad
folio.

Fix this by activating the cache stream up front if there's a cache
available.  If there's a cache, then all data is going to be written to it.

Fixes: 288ace2f57c9 ("netfs: New writeback implementation")
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/1599053.1721398818@warthog.procyon.org.uk
cc: Jeff Layton <jlayton@kernel.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:53:13 +02:00
Christian Brauner
1bb8dce5df
pidfs: add selftests for new namespace ioctls 
Add selftests to verify that deriving namespace file descriptors from
pidfd file descriptors works correctly.

Link: https://lore.kernel.org/r/20240722-work-pidfs-69dbea91edab@brauner
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:53:13 +02:00
Christian Brauner
9b3e150464
pidfs: handle kernels without namespaces cleanly 
The nsproxy structure contains nearly all of the namespaces associated
with a task. When a given namespace type is not supported by this kernel
the rules whether the corresponding pointer in struct nsproxy is NULL or
always init_<ns_type>_ns differ per namespace. Ideally, that wouldn't be
the case and for all namespace types we'd always set it to
init_<ns_type>_ns when the corresponding namespace type isn't supported.

Make sure we handle all namespaces where the pointer in struct nsproxy
can be NULL when the namespace type isn't supported.

Link: https://lore.kernel.org/r/20240722-work-pidfs-e6a83030f63e@brauner
Fixes: 5b08bd408534 ("pidfs: allow retrieval of namespace file descriptors") # mainline only
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:53:13 +02:00
Edward Adam Davis
f60d38cb02
pidfs: when time ns disabled add check for ioctl 
syzbot call pidfd_ioctl() with cmd "PIDFD_GET_TIME_NAMESPACE" and disabled
CONFIG_TIME_NS, since time_ns is NULL, it will make NULL ponter deref in
open_namespace.

Fixes: 5b08bd408534 ("pidfs: allow retrieval of namespace file descriptors") # mainline only
Reported-and-tested-by: syzbot+34a0ee986f61f15da35d@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=34a0ee986f61f15da35d
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Link: https://lore.kernel.org/r/tencent_7FAE8DB725EE0DD69236DDABDDDE195E4F07@qq.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:53:12 +02:00
Congjie Zhou
b40c8e7a03
vfs: correct the comments of vfs_*() helpers 
correct the comments of vfs_*() helpers in fs/namei.c, including:
1. vfs_create()
2. vfs_mknod()
3. vfs_mkdir()
4. vfs_rmdir()
5. vfs_symlink()

All of them come from the same commit:
6521f8917082 "namei: prepare for idmapped mounts"

The @dentry is actually the dentry of child directory rather than
base directory(parent directory), and thus the @dir has to be
modified due to the change of @dentry.

Signed-off-by: Congjie Zhou <zcjie0802@qq.com>
Link: https://lore.kernel.org/r/tencent_2FCF6CC9E10DC8A27AE58A5A0FE4FCE96D0A@qq.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:53:12 +02:00
Mateusz Guzik
5bc9ad78c2
vfs: handle __wait_on_freeing_inode() and evict() race 
Lockless hash lookup can find and lock the inode after it gets the
I_FREEING flag set, at which point it blocks waiting for teardown in
evict() to finish.

However, the flag is still set even after evict() wakes up all waiters.

This results in a race where if the inode lock is taken late enough, it
can happen after both hash removal and wakeups, meaning there is nobody
to wake the racing thread up.

This worked prior to RCU-based lookup because the entire ordeal was
synchronized with the inode hash lock.

Since unhashing requires the inode lock, we can safely check whether it
happened after acquiring it.

Link: https://lore.kernel.org/v9fs/20240717102458.649b60be@kernel.org/
Reported-by: Dominique Martinet <asmadeus@codewreck.org>
Fixes: 7180f8d91fcb ("vfs: add rcu-based find_inode variants for iget ops")
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20240718151838.611807-1-mjguzik@gmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:52:58 +02:00
David Howells
fcad93360d
netfs: Rename CONFIG_FSCACHE_DEBUG to CONFIG_NETFS_DEBUG 
CONFIG_FSCACHE_DEBUG should have been renamed to CONFIG_NETFS_DEBUG, so do
that now.

Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/1410796.1721333406@warthog.procyon.org.uk
cc: Uwe Kleine-König <ukleinek@kernel.org>
cc: Christian Brauner <brauner@kernel.org>
cc: Jeff Layton <jlayton@kernel.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:15:38 +02:00
David Howells
a9d47a50cf
netfs: Revert "netfs: Switch debug logging to pr_debug()" 
Revert commit 163eae0fb0d4c610c59a8de38040f8e12f89fd43 to get back the
original operation of the debugging macros.

Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/20240608151352.22860-2-ukleinek@kernel.org
Link: https://lore.kernel.org/r/1410685.1721333252@warthog.procyon.org.uk
cc: Uwe Kleine-König <ukleinek@kernel.org>
cc: Christian Brauner <brauner@kernel.org>
cc: Jeff Layton <jlayton@kernel.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
 2024-07-24 10:15:37 +02:00
Linus Torvalds
786c8248db perf tools fixes for v6.11 
Two fixes about building perf and other tools:
 
 * Fix breakage in tracing tools due to pkg-config for libtrace{event,fs}
 
 * Fix build of perf when libunwind is used
 
 Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-fixes-for-v6.11-2024-07-23' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools fixes from Namhyung Kim:
 "Two fixes for building perf and other tools:

   - Fix breakage in tracing tools due to pkg-config for
     libtrace{event,fs}

   - Fix build of perf when libunwind is used"

* tag 'perf-tools-fixes-for-v6.11-2024-07-23' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
  perf dso: Fix build when libunwind is enabled
  tools/latency: Use pkg-config in lib_setup of Makefile.config
  tools/rtla: Use pkg-config in lib_setup of Makefile.config
  tools/verification: Use pkg-config in lib_setup of Makefile.config
  tools: Make pkg-config dependency checks usable by other tools
  perf build: Warn if libtracefs is not found
 2024-07-23 18:15:51 -07:00
Linus Torvalds
e9e969797b execve fix for v6.11-rc1 
- Move KUnit tests to tests/ subdirectory
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Merge tag 'execve-v6.11-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull execve fix from Kees Cook:
 "This moves the exec and binfmt_elf tests out of your way and into the
  tests/ subdirectory, following the newly ratified KUnit naming
  conventions. :)"

* tag 'execve-v6.11-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  execve: Move KUnit tests to tests/ subdirectory
 2024-07-23 17:30:42 -07:00
Linus Torvalds
5ad7ff8738 f2fs update for 6.11-rc1 
It's a pretty small update including mostly minor bug fixes in zoned storage
 along with the large section support.
 
 Enhancement:
  - add support for FS_IOC_GETFSSYSFSPATH
  - enable atgc dynamically if conditions are met
  - use new ioprio Macro to get ckpt thread ioprio level
  - remove unreachable lazytime mount option parsing
 
 Bug fix:
  - fix null reference error when checking end of zone
  - fix start segno of large section
  - fix to cover read extent cache access with lock
  - don't dirty inode for readonly filesystem
  - allocate a new section if curseg is not the first seg in its zone
  - only fragment segment in the same section
  - truncate preallocated blocks in f2fs_file_open()
  - fix to avoid use SSR allocate when do defragment
  - fix to force buffered IO on inline_data inode
 
 And, it includes some minor code clean-ups, and sanity checks.
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Merge tag 'f2fs-for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "A pretty small update including mostly minor bug fixes in zoned
  storage along with the large section support.

  Enhancements:
   - add support for FS_IOC_GETFSSYSFSPATH
   - enable atgc dynamically if conditions are met
   - use new ioprio Macro to get ckpt thread ioprio level
   - remove unreachable lazytime mount option parsing

  Bug fixes:
   - fix null reference error when checking end of zone
   - fix start segno of large section
   - fix to cover read extent cache access with lock
   - don't dirty inode for readonly filesystem
   - allocate a new section if curseg is not the first seg in its zone
   - only fragment segment in the same section
   - truncate preallocated blocks in f2fs_file_open()
   - fix to avoid use SSR allocate when do defragment
   - fix to force buffered IO on inline_data inode

  And some minor code clean-ups and sanity checks"

* tag 'f2fs-for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (26 commits)
  f2fs: clean up addrs_per_{inode,block}()
  f2fs: clean up F2FS_I()
  f2fs: use meta inode for GC of COW file
  f2fs: use meta inode for GC of atomic file
  f2fs: only fragment segment in the same section
  f2fs: fix to update user block counts in block_operations()
  f2fs: remove unreachable lazytime mount option parsing
  f2fs: fix null reference error when checking end of zone
  f2fs: fix start segno of large section
  f2fs: remove redundant sanity check in sanity_check_inode()
  f2fs: assign CURSEG_ALL_DATA_ATGC if blkaddr is valid
  f2fs: fix to use mnt_{want,drop}_write_file replace file_{start,end}_wrtie
  f2fs: clean up set REQ_RAHEAD given rac
  f2fs: enable atgc dynamically if conditions are met
  f2fs: fix to truncate preallocated blocks in f2fs_file_open()
  f2fs: fix to cover read extent cache access with lock
  f2fs: fix return value of f2fs_convert_inline_inode()
  f2fs: use new ioprio Macro to get ckpt thread ioprio level
  f2fs: fix to don't dirty inode for readonly filesystem
  f2fs: fix to avoid use SSR allocate when do defragment
  ...
 2024-07-23 15:21:19 -07:00
Linus Torvalds
371c141464 Folio conversion from Matthew Wilcox and a few various fixes 
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Merge tag 'jfs-6.11' of github.com:kleikamp/linux-shaggy

Pull jfs updates from David Kleikamp:
 "Folio conversion from Matthew Wilcox and a few various fixes"

* tag 'jfs-6.11' of github.com:kleikamp/linux-shaggy:
  jfs: don't walk off the end of ealist
  jfs: Fix shift-out-of-bounds in dbDiscardAG
  jfs: Fix array-index-out-of-bounds in diFree
  jfs: fix null ptr deref in dtInsertEntry
  jfs: Remove use of folio error flag
  fs: Remove i_blocks_per_page
  jfs: Change metapage->page to metapage->folio
  jfs: Convert force_metapage to use a folio
  jfs: Convert inc_io to take a folio
  jfs: Convert page_to_mp to folio_to_mp
  jfs; Convert __invalidate_metapages to use a folio
  jfs: Convert dec_io to take a folio
  jfs: Convert drop_metapage and remove_metapage to take a folio
  jfs; Convert release_metapage to use a folio
  jfs: Convert insert_metapage() to take a folio
  jfs: Convert __get_metapage to use a folio
  jfs: Convert metapage_writepage to metapage_write_folio
  jfs: Convert metapage_read_folio to use folio APIs
 2024-07-23 15:15:16 -07:00
Linus Torvalds
ca83c61cb3 Kbuild updates for v6.11 
- Remove tristate choice support from Kconfig
 
  - Stop using the PROVIDE() directive in the linker script
 
  - Reduce the number of links for the combination of CONFIG_DEBUG_INFO_BTF
    and CONFIG_KALLSYMS
 
  - Enable the warning for symbol reference to .exit.* sections by default
 
  - Fix warnings in RPM package builds
 
  - Improve scripts/make_fit.py to generate a FIT image with separate base
    DTB and overlays
 
  - Improve choice value calculation in Kconfig
 
  - Fix conditional prompt behavior in choice in Kconfig
 
  - Remove support for the uncommon EMAIL environment variable in Debian
    package builds
 
  - Remove support for the uncommon "name <email>" form for the DEBEMAIL
    environment variable
 
  - Raise the minimum supported GNU Make version to 4.0
 
  - Remove stale code for the absolute kallsyms
 
  - Move header files commonly used for host programs to scripts/include/
 
  - Introduce the pacman-pkg target to generate a pacman package used in
    Arch Linux
 
  - Clean up Kconfig
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Merge tag 'kbuild-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Remove tristate choice support from Kconfig

 - Stop using the PROVIDE() directive in the linker script

 - Reduce the number of links for the combination of CONFIG_KALLSYMS and
   CONFIG_DEBUG_INFO_BTF

 - Enable the warning for symbol reference to .exit.* sections by
   default

 - Fix warnings in RPM package builds

 - Improve scripts/make_fit.py to generate a FIT image with separate
   base DTB and overlays

 - Improve choice value calculation in Kconfig

 - Fix conditional prompt behavior in choice in Kconfig

 - Remove support for the uncommon EMAIL environment variable in Debian
   package builds

 - Remove support for the uncommon "name <email>" form for the DEBEMAIL
   environment variable

 - Raise the minimum supported GNU Make version to 4.0

 - Remove stale code for the absolute kallsyms

 - Move header files commonly used for host programs to scripts/include/

 - Introduce the pacman-pkg target to generate a pacman package used in
   Arch Linux

 - Clean up Kconfig

* tag 'kbuild-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (65 commits)
  kbuild: doc: gcc to CC change
  kallsyms: change sym_entry::percpu_absolute to bool type
  kallsyms: unify seq and start_pos fields of struct sym_entry
  kallsyms: add more original symbol type/name in comment lines
  kallsyms: use \t instead of a tab in printf()
  kallsyms: avoid repeated calculation of array size for markers
  kbuild: add script and target to generate pacman package
  modpost: use generic macros for hash table implementation
  kbuild: move some helper headers from scripts/kconfig/ to scripts/include/
  Makefile: add comment to discourage tools/* addition for kernel builds
  kbuild: clean up scripts/remove-stale-files
  kconfig: recursive checks drop file/lineno
  kbuild: rpm-pkg: introduce a simple changelog section for kernel.spec
  kallsyms: get rid of code for absolute kallsyms
  kbuild: Create INSTALL_PATH directory if it does not exist
  kbuild: Abort make on install failures
  kconfig: remove 'e1' and 'e2' macros from expression deduplication
  kconfig: remove SYMBOL_CHOICEVAL flag
  kconfig: add const qualifiers to several function arguments
  kconfig: call expr_eliminate_yn() at least once in expr_eliminate_dups()
  ...
 2024-07-23 14:32:21 -07:00
Linus Torvalds
643af93f15 rpmsg updates for v6.11 
This corrects interrupt handling in the stm32 remoteproc driver when
 being attached to an already running remote processor.
 It fixes invalid kernel-doc and adds missing MODULE_DESCRIPTION() in the
 rpmsg char driver.
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Merge tag 'rpmsg-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull rpmsg updates from Bjorn Andersson:

 - fix interrupt handling in the stm32 remoteproc driver when being
   attached to an already running remote processor

 - fix invalid kernel-doc and add missing MODULE_DESCRIPTION() in the
   rpmsg char driver

* tag 'rpmsg-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  rpmsg: char: add missing MODULE_DESCRIPTION() macro
  remoteproc: stm32_rproc: Fix mailbox interrupts queuing
  rpmsg: char: Fix rpmsg_eptdev structure documentation
 2024-07-23 13:41:59 -07:00
Linus Torvalds
60c6119cad remoteproc updates for v6.11 
The maximum amount of DDR memory used by the Mediatek MT8188/MT8195 SCP
 is increased, to handle new use cases. Handling of optional L1TCM memory
 is made actually optional.
 An optimization is introduced to only clear the unused portion of IPI
 shared buffers, rather than the entire buffer before writing the
 message.
 
 Detection for IPC-only mode in the TI K3 DSP remoteproc driver is
 corrected. The loglevel of a debug print in the same is lowered from
 error.
 
 Support for attaching to an running remote processor is added to the
 Xilinx R5F.
 
 An in-kernel implementation of the Qualcomm "protected domain mapper"
 (aka service registry) service is introduced, to remove the dependency
 on a userspace implementation to detect when the battery monitor and USB
 Type-C port manager becomes available. This is then integrated with the
 Qualcomm remoteproc driver.
 
 The Qualcomm PAS remoteproc driver gains support for attempting to bust
 hwspinlocks held by the remote processor when it crashed/stopped.
 
 The TI OMAP remoteproc driver is transitioned to use devres helpers for
 various forms of allocations.
 
 Parsing of memory-regions in the i.MX remoteproc driver is improved to
 avoid a NULL pointer dereference if the phandle reference is empty.
 of_node reference counting is corrected in the same.
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Merge tag 'rproc-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull remoteproc updates from Bjorn Andersson:

 - The maximum amount of DDR memory used by the Mediatek MT8188/MT8195
   SCP is increased to handle new use cases. Handling of optional L1TCM
   memory is made actually optional.

 - An optimization is introduced to only clear the unused portion of IPI
   shared buffers, rather than the entire buffer before writing the
   message.

 - Detection for IPC-only mode in the TI K3 DSP remoteproc driver is
   corrected. The loglevel of a debug print in the same is lowered from
   error.

 - Support for attaching to an running remote processor is added to the
   Xilinx R5F.

 - An in-kernel implementation of the Qualcomm "protected domain mapper"
   (aka service registry) service is introduced, to remove the
   dependency on a userspace implementation to detect when the battery
   monitor and USB Type-C port manager becomes available. This is then
   integrated with the Qualcomm remoteproc driver.

 - The Qualcomm PAS remoteproc driver gains support for attempting to
   bust hwspinlocks held by the remote processor when it
   crashed/stopped.

 - The TI OMAP remoteproc driver is transitioned to use devres helpers
   for various forms of allocations.

 - Parsing of memory-regions in the i.MX remoteproc driver is improved
   to avoid a NULL pointer dereference if the phandle reference is
   empty. of_node reference counting is corrected in the same.

* tag 'rproc-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  remoteproc: mediatek: Increase MT8188/MT8195 SCP core0 DRAM size
  remoteproc: k3-dsp: Fix log levels where appropriate
  remoteproc: xlnx: Add attach detach support
  remoteproc: qcom: select AUXILIARY_BUS
  remoteproc: k3-r5: Fix IPC-only mode detection
  remoteproc: mediatek: Don't attempt to remap l1tcm memory if missing
  remoteproc: qcom: enable in-kernel PD mapper
  dt-bindings: remoteproc: imx_rproc: Add minItems for power-domain
  remoteproc: imx_rproc: Fix refcount mistake in imx_rproc_addr_init
  remoteproc: omap: Use devm_rproc_add() helper
  remoteproc: omap: Use devm action to release reserved memory
  remoteproc: omap: Use devm_rproc_alloc() helper
  remoteproc: imx_rproc: Skip over memory region when node value is NULL
  dt-bindings: remoteproc: k3-dsp: Correct optional sram properties for AM62A SoCs
  remoteproc: qcom_q6v5_pas: Add hwspinlock bust on stop
  soc: qcom: smem: Add qcom_smem_bust_hwspin_lock_by_host()
  remoteproc: mediatek: Zero out only remaining bytes of IPI buffer
 2024-07-23 13:36:51 -07:00
Linus Torvalds
58bffbac53 hwspinlock updates for v6.11 
This introduces a mechanism in the hardware spinlock framework, and the
 Qualcomm TCSR mutex driver, for allowing clients to bust locks held by a
 remote processor in the event that this enters a faulty state while
 holding the shared lock.
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Merge tag 'hwlock-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull hwspinlock updates from Bjorn Andersson:
 "This introduces a mechanism in the hardware spinlock framework, and
  the Qualcomm TCSR mutex driver, for allowing clients to bust locks
  held by a remote processor in the event that this enters a faulty
  state while holding the shared lock"

* tag 'hwlock-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  hwspinlock: qcom: implement bust operation
  hwspinlock: Introduce hwspin_lock_bust()
 2024-07-23 13:34:56 -07:00
Linus Torvalds
e9680017b2 sh updates for v6.11 
- sh: push-switch: Add missing MODULE_DESCRIPTION() macro
 - sh: config: Drop CONFIG_MEMORY_{HOTPLUG,HOTREMOVE}
 - sh: Drop support for memory hotplug and memory hotremove
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Merge tag 'sh-for-v6.11-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux

Pull sh updates from John Paul Adrian Glaubitz:
 "This is rather small this time and contains just three changes.

  The first change by Oscar Salvador drops support for memory hotplug
  and hotremove for sh as the kernel stopped supporting it on 32-bit
  platforms since 7ec58a2b941e ("mm/memory_hotplug: restrict
  CONFIG_MEMORY_HOTPLUG to 64 bit").

  That then results in a follow-up change to update all affected board
  config files.

  The third change comes from Jeff Johnson which adds the missing
  MODULE_DESCRIPTION() macro to the push-switch driver"

* tag 'sh-for-v6.11-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
  sh: push-switch: Add missing MODULE_DESCRIPTION() macro
  sh: config: Drop CONFIG_MEMORY_{HOTPLUG,HOTREMOVE}
  sh: Drop support for memory hotplug and memory hotremove
 2024-07-23 11:57:52 -07:00
Linus Torvalds
f488790059 Modules changes for v6.11-rc1 
This is a super boring development cycle this time around for modules,
 there is only one patch in this pull request. The patch deals with a
 corner case set of dependencies which is not resolved today to ensure
 users get the modules they need on initramfs. Currently only one modules
 is known to exist which needs this, however this can grow to capture
 other corner cases likely escaped and not reported before. The kernel
 change is just a section update, the real work is done and merged
 already on upstream kmod.
 
 This has been on linux-next for 3 weeks now.
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Merge tag 'modules-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull module update from Luis Chamberlain:
 "This is a super boring development cycle this time around for modules,
  there is only one patch in this pull request.

  The patch deals with a corner case set of dependencies which is not
  resolved today to ensure users get the module they need on initramfs.
  Currently only one module is known to exist which needs this, however
  this can grow to capture other corner cases likely escaped and not
  reported before. The kernel change is just a section update, the real
  work is done and merged already on upstream kmod.

  This has been on linux-next for 3 weeks now"

* tag 'modules-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  module: create weak dependecies
 2024-07-23 11:43:40 -07:00
Linus Torvalds
d2d721e2eb Livepatching changes for 6.11 
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Merge tag 'livepatching-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching

Pull livepatching update from Petr Mladek:

 - show patch->replace flag in sysfs

 - add or improve few selftests

* tag 'livepatching-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
  livepatch: Replace snprintf() with sysfs_emit()
  selftests/livepatch: Add selftests for "replace" sysfs attribute
  livepatch: Add "replace" sysfs attribute
  selftests: livepatch: Test atomic replace against multiple modules
  selftests/livepatch: define max test-syscall processes
 2024-07-23 11:11:51 -07:00
Linus Torvalds
28bbe4ea68 I2C for 6.11-rc1 second batch 
The I2C core has two header documentation updates to be applied as the
 dependecies are in now.
 
 The I2C host drivers add some patches which nearly fell through the
 cracks, namely:
 
 Added descriptions in the DTS for the Qualcomm SM8650 and SM8550
 Camera Control Interface (CCI).
 
 Added support for the "settle-time-us" property, which allows the
 gpio-mux device to switch from one bus to another with a configurable
 delay. The time can be set in the DTS. The latest change also includes
 file sorting.
 
 Fixed slot numbering in the SMBus framework to prevent failures
 when more than 8 slots are occupied. It now enforces a a maximum
 of 8 slots to be used. This ensures that the Intel PIIX4 device
 can register the SPDs correctly without failure, even if other
 slots are populated but not used.
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Merge tag 'i2c-for-6.11-rc1-second-batch' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull more i2c updates from Wolfram Sang:
 "The I2C core has two header documentation updates as the dependecies
  are in now.

  The I2C host drivers add some patches which nearly fell through the
  cracks:

   - Added descriptions in the DTS for the Qualcomm SM8650 and SM8550
     Camera Control Interface (CCI).

   - Added support for the "settle-time-us" property, which allows the
     gpio-mux device to switch from one bus to another with a
     configurable delay. The time can be set in the DTS. The latest
     change also includes file sorting.

   - Fixed slot numbering in the SMBus framework to prevent failures
     when more than 8 slots are occupied. It now enforces a a maximum of
     8 slots to be used. This ensures that the Intel PIIX4 device can
     register the SPDs correctly without failure, even if other slots
     are populated but not used"

* tag 'i2c-for-6.11-rc1-second-batch' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: header: improve kdoc for i2c_algorithm
  i2c: header: remove unneeded stuff regarding i2c_algorithm
  i2c: piix4: Register SPDs
  i2c: smbus: remove i801 assumptions from SPD probing
  i2c: mux: gpio: Add support for the 'settle-time-us' property
  i2c: mux: gpio: Re-order #include to match alphabetic order
  dt-bindings: i2c: mux-gpio: Add 'settle-time-us' property
  dt-bindings: i2c: qcom-cci: Document sm8650 compatible
  dt-bindings: i2c: qcom-cci: Document sm8550 compatible
 2024-07-23 09:59:20 -07:00
Linus Torvalds
d51f8f63f7 broadcom: remove unused pdc_dma_map 
imx: fix TXDB_V2 channel race condition
 mediatek: cleanup and refactor driver
       add bindings for gce-props
 omap: fix mailbox interrupt sharing
 qcom: add bindings for SA8775p
       add CPUCP driver
 zynqmp: make polling period configurable
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Merge tag 'mailbox-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox

Pull mailbox updates from Jassi Brar:
 "broadcom:
   - remove unused pdc_dma_map

  imx:
   - fix TXDB_V2 channel race condition

  mediatek:
   - cleanup and refactor driver
   - add bindings for gce-props

  omap:
   - fix mailbox interrupt sharing

  qcom:
   - add bindings for SA8775p
   - add CPUCP driver

  zynqmp:
   - make polling period configurable"

* tag 'mailbox-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox:
  mailbox: mtk-cmdq: Move devm_mbox_controller_register() after devm_pm_runtime_enable()
  mailbox: zynqmp-ipi: Make polling period configurable
  mailbox: qcom-cpucp: fix 64BIT dependency
  mailbox: Add support for QTI CPUCP mailbox controller
  dt-bindings: mailbox: qcom: Add CPUCP mailbox controller bindings
  dt-bindings: remoteproc: qcom,sa8775p-pas: Document the SA8775p ADSP, CDSP and GPDSP
  mailbox: mtk-cmdq: add missing MODULE_DESCRIPTION() macro
  mailbox: bcm-pdc: remove unused struct 'pdc_dma_map'
  mailbox: imx: fix TXDB_V2 channel race condition
  mailbox: omap: Fix mailbox interrupt sharing
  mailbox: mtk-cmdq: Dynamically allocate clk_bulk_data structure
  mailbox: mtk-cmdq: Move and partially refactor clocks probe
  mailbox: mtk-cmdq: Stop requiring name for GCE clock
  dt-bindings: mailbox: Add mediatek,gce-props.yaml
 2024-07-23 09:55:27 -07:00
Linus Torvalds
71bed1ec0f PCMCIA: improvements for v6.11-rc1 
A number of tiny cleanups of the PCMCIA subsystem by Jeff Johnson,
 Jules Irenge, and Krzysztof Kozlowski.
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Merge tag 'pcmcia-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux

Pull PCMCIA updates from Dominik Brodowski:
 "A number of tiny cleanups of the PCMCIA subsystem by Jeff Johnson,
  Jules Irenge, and Krzysztof Kozlowski"

* tag 'pcmcia-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux:
  pcmcia: add missing MODULE_DESCRIPTION() macros
  pcmcia: Use resource_size function on resource object
  pcmcia: bcm63xx: drop driver owner assignment
 2024-07-23 09:46:17 -07:00
Linus Torvalds
fd71b9a07b power supply and reset changes for the 6.11 series 
* power-supply core
    - new charging_orange_full_green RGB LED trigger
    - simplify and cleanup power-supply LED trigger code
    - expose power information via hwmon compatibility layer
  * new hardware support
    - enable battery support for Qualcomm Snapdragon X Elite
    - new battery driver for Maxim MAX17201/MAX17205
    - new battery driver for Lenovo Yoga C630 laptop (custom EC)
  * cleanup 'struct i2c_device_id' initializations
  * misc. small battery driver cleanups and fixes
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Merge tag 'for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Power-supply core:
   - new charging_orange_full_green RGB LED trigger
   - simplify and cleanup power-supply LED trigger code
   - expose power information via hwmon compatibility layer

  New hardware support:
   - enable battery support for Qualcomm Snapdragon X Elite
   - new battery driver for Maxim MAX17201/MAX17205
   - new battery driver for Lenovo Yoga C630 laptop (custom EC)

  Cleanups:
   - cleanup 'struct i2c_device_id' initializations
   - misc small battery driver cleanups and fixes"

* tag 'for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: supply: sysfs: use power_supply_property_is_writeable()
  power: supply: qcom_battmgr: Enable battery support on x1e80100
  power: supply: add support for MAX1720x standalone fuel gauge
  dt-bindings: power: supply: add support for MAX17201/MAX17205 fuel gauge
  power: reset: piix4: add missing MODULE_DESCRIPTION() macro
  power: supply: samsung-sdi-battery: Constify struct power_supply_maintenance_charge_table
  power: supply: samsung-sdi-battery: Constify struct power_supply_vbat_ri_table
  power: supply: lenovo_yoga_c630_battery: add Lenovo C630 driver
  power: supply: ingenic: Fix some error handling paths in ingenic_battery_get_property()
  power: supply: ab8500: Clean some error messages
  power: supply: ab8500: Use iio_read_channel_processed_scale()
  power: supply: ab8500: Fix error handling when calling iio_read_channel_processed()
  power: supply: hwmon: Add support for power sensors
  power: supply: ab8500: remove unused struct 'inst_curr_result_list'
  power: supply: bd99954: remove unused struct 'battery_data'
  power: supply: leds: Add activate() callback to triggers
  power: supply: leds: Share trig pointer for online and charging_full
  power: supply: leds: Add power_supply_[un]register_led_trigger()
  power: supply: Drop explicit initialization of struct i2c_device_id::driver_data to 0
 2024-07-23 09:38:27 -07:00
Linus Torvalds
c5d2be6670 HSI changes for the 6.11 series 
* drop unused gpio.h header from SSI McSAAB protocol driver
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Merge tag 'hsi-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI update from Sebastian Reichel:

 - drop unused gpio.h header from SSI McSAAB protocol driver

* tag 'hsi-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: ssi_protocol: Remove unused linux/gpio.h
 2024-07-23 09:37:33 -07:00
Ivan Davydov
13c239a2c0 kbuild: doc: gcc to CC change 
In this part of the documentation, $(CC) is meant, but gcc is written.

Signed-off-by: Ivan Davydov <davydoff33@yandex.ru>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
 2024-07-24 01:18:25 +09:00
Petr Mladek
ea5377ec49 Merge branch 'for-6.11/sysfs-patch-replace' into for-linus 2024-07-23 17:13:10 +02:00
Kees Cook
b6f5ee4d53 execve: Move KUnit tests to tests/ subdirectory 
Move the exec KUnit tests into a separate directory to avoid polluting
the local directory namespace. Additionally update MAINTAINERS for the
new files.

Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Acked-by: Christian Brauner <brauner@kernel.org>
Link: https://lore.kernel.org/r/20240720170310.it.942-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
 2024-07-22 18:25:47 -07:00
Linus Torvalds
66ebbdfdeb Switch ARM/ARM64 over to the modern per device MSI domains: 
This simplifies the handling of platform MSI and wire to MSI controllers
   and removes about 500 lines of legacy code.
 
   Aside of that it paves the way for ARM/ARM64 to utilize the dynamic
   allocation of PCI/MSI interrupts and to support the upcoming non
   standard IMS (Interrupt Message Store) mechanism on PCIe devices
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Merge tag 'irq-msi-2024-07-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull MSI interrupt updates from Thomas Gleixner:
 "Switch ARM/ARM64 over to the modern per device MSI domains.

  This simplifies the handling of platform MSI and wire to MSI
  controllers and removes about 500 lines of legacy code.

  Aside of that it paves the way for ARM/ARM64 to utilize the dynamic
  allocation of PCI/MSI interrupts and to support the upcoming non
  standard IMS (Interrupt Message Store) mechanism on PCIe devices"

* tag 'irq-msi-2024-07-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
  irqchip/gic-v3-its: Correctly fish out the DID for platform MSI
  irqchip/gic-v3-its: Correctly honor the RID remapping
  genirq/msi: Move msi_device_data to core
  genirq/msi: Remove platform MSI leftovers
  irqchip/irq-mvebu-icu: Remove platform MSI leftovers
  irqchip/irq-mvebu-sei: Switch to MSI parent
  irqchip/mvebu-odmi: Switch to parent MSI
  irqchip/mvebu-gicp: Switch to MSI parent
  irqchip/irq-mvebu-icu: Prepare for real per device MSI
  irqchip/imx-mu-msi: Switch to MSI parent
  irqchip/gic-v2m: Switch to device MSI
  irqchip/gic_v3_mbi: Switch over to parent domain
  genirq/msi: Remove platform_msi_create_device_domain()
  irqchip/mbigen: Remove platform_msi_create_device_domain() fallback
  irqchip/gic-v3-its: Switch platform MSI to MSI parent
  irqchip/irq-msi-lib: Prepare for DOMAIN_BUS_WIRED_TO_MSI
  irqchip/mbigen: Prepare for real per device MSI
  irqchip/irq-msi-lib: Prepare for DEVICE MSI to replace platform MSI
  irqchip/gic-v3-its: Provide MSI parent for PCI/MSI[-X]
  irqchip/irq-msi-lib: Prepare for PCI MSI/MSIX
  ...
 2024-07-22 14:02:19 -07:00
Linus Torvalds
ac7473a179 Updates for the interrupt subsystem: 
- Core:
 
     - Provide a new mechanism to create interrupt domains. The existing
       interfaces have already too many parameters and it's a pain to expand
       any of this for new required functionality.
 
       The new function takes a pointer to a data structure as argument. The
       data structure combines all existing parameters and allows for easy
       extension.
 
       The first extension for this is to handle the instantiation of
       generic interrupt chips at the core level and to allow drivers to
       provide extra init/exit callbacks.
 
       This is necessary to do the full interrupt chip initialization before
       the new domain is published, so that concurrent usage sites won't see
       a half initialized interrupt domain. Similar problems exist on
       teardown.
 
       This has turned out to be a real problem due to the deferred and
       parallel probing which was added in recent years.
 
       Handling this at the core level allows to remove quite some accrued
       boilerplate code in existing drivers and avoids horrible workarounds
       at the driver level.
 
     - The usual small improvements all over the place
 
   - Drivers
 
     - Add support for LAN966x OIC and RZ/Five SoC
 
     - Split the STM ExtI driver into a microcontroller and a SMP version to
       allow building the latter as a module for multi-platform kernels.
 
     - Enable MSI support for Armada 370XP on platforms which do not support
       IPIs.
 
     - The usual small fixes and enhancements all over the place.
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Merge tag 'irq-core-2024-07-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull interrupt subsystem updates from Thomas Gleixner:
 "Core:

   - Provide a new mechanism to create interrupt domains. The existing
     interfaces have already too many parameters and it's a pain to
     expand any of this for new required functionality.

     The new function takes a pointer to a data structure as argument.
     The data structure combines all existing parameters and allows for
     easy extension.

     The first extension for this is to handle the instantiation of
     generic interrupt chips at the core level and to allow drivers to
     provide extra init/exit callbacks.

     This is necessary to do the full interrupt chip initialization
     before the new domain is published, so that concurrent usage sites
     won't see a half initialized interrupt domain. Similar problems
     exist on teardown.

     This has turned out to be a real problem due to the deferred and
     parallel probing which was added in recent years.

     Handling this at the core level allows to remove quite some accrued
     boilerplate code in existing drivers and avoids horrible
     workarounds at the driver level.

   - The usual small improvements all over the place

  Drivers:

   - Add support for LAN966x OIC and RZ/Five SoC

   - Split the STM ExtI driver into a microcontroller and a SMP version
     to allow building the latter as a module for multi-platform
     kernels

   - Enable MSI support for Armada 370XP on platforms which do not
     support IPIs

   - The usual small fixes and enhancements all over the place"

* tag 'irq-core-2024-07-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (59 commits)
  irqdomain: Fix the kernel-doc and plug it into Documentation
  genirq: Set IRQF_COND_ONESHOT in request_irq()
  irqchip/imx-irqsteer: Handle runtime power management correctly
  irqchip/gic-v3: Pass #redistributor-regions to gic_of_setup_kvm_info()
  irqchip/bcm2835: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND
  irqchip/gic-v4: Make sure a VPE is locked when VMAPP is issued
  irqchip/gic-v4: Substitute vmovp_lock for a per-VM lock
  irqchip/gic-v4: Always configure affinity on VPE activation
  Revert "irqchip/dw-apb-ictl: Support building as module"
  Revert "Loongarch: Support loongarch avec"
  arm64: Kconfig: Allow build irq-stm32mp-exti driver as module
  ARM: stm32: Allow build irq-stm32mp-exti driver as module
  irqchip/stm32mp-exti: Allow building as module
  irqchip/stm32mp-exti: Rename internal symbols
  irqchip/stm32-exti: Split MCU and MPU code
  arm64: Kconfig: Select STM32MP_EXTI on STM32 platforms
  ARM: stm32: Use different EXTI driver on ARMv7m and ARMv7a
  irqchip/stm32-exti: Add CONFIG_STM32MP_EXTI
  irqchip/dw-apb-ictl: Support building as module
  irqchip/riscv-aplic: Simplify the initialization code
  ...
 2024-07-22 13:52:05 -07:00
Linus Torvalds
a362ade892 LoongArch changes for v6.11 
1, Define __ARCH_WANT_NEW_STAT in unistd.h;
 2, Always enumerate MADT and setup logical-physical CPU mapping;
 3, Add irq_work support via self IPIs;
 4, Add RANDOMIZE_KSTACK_OFFSET support;
 5, Add ARCH_HAS_PTE_DEVMAP support;
 6, Add ARCH_HAS_DEBUG_VM_PGTABLE support;
 7, Add writecombine support for DMW-based ioremap();
 8, Add architectural preparation for CPUFreq;
 9, Add ACPI standard hardware register based S3 support;
 10, Add support for relocating the kernel with RELR relocation;
 11, Some bug fixes and other small changes.
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Merge tag 'loongarch-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch updates from Huacai Chen:

 - Define __ARCH_WANT_NEW_STAT in unistd.h

 - Always enumerate MADT and setup logical-physical CPU mapping

 - Add irq_work support via self IPIs

 - Add RANDOMIZE_KSTACK_OFFSET support

 - Add ARCH_HAS_PTE_DEVMAP support

 - Add ARCH_HAS_DEBUG_VM_PGTABLE support

 - Add writecombine support for DMW-based ioremap()

 - Add architectural preparation for CPUFreq

 - Add ACPI standard hardware register based S3 support

 - Add support for relocating the kernel with RELR relocation

 - Some bug fixes and other small changes

* tag 'loongarch-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  LoongArch: Make the users of larch_insn_gen_break() constant
  LoongArch: Check TIF_LOAD_WATCH to enable user space watchpoint
  LoongArch: Use rustc option -Zdirect-access-external-data
  LoongArch: Add support for relocating the kernel with RELR relocation
  LoongArch: Remove a redundant checking in relocator
  LoongArch: Use correct API to map cmdline in relocate_kernel()
  LoongArch: Automatically disable KASLR for hibernation
  LoongArch: Add ACPI standard hardware register based S3 support
  LoongArch: Add architectural preparation for CPUFreq
  LoongArch: Add writecombine support for DMW-based ioremap()
  LoongArch: Add ARCH_HAS_DEBUG_VM_PGTABLE support
  LoongArch: Add ARCH_HAS_PTE_DEVMAP support
  LoongArch: Add RANDOMIZE_KSTACK_OFFSET support
  LoongArch: Add irq_work support via self IPIs
  LoongArch: Always enumerate MADT and setup logical-physical CPU mapping
  LoongArch: Define __ARCH_WANT_NEW_STAT in unistd.h
 2024-07-22 13:44:22 -07:00
Linus Torvalds
539fbb9123 Thermal control fix for 6.11-rc1 
Fix a flood of kernel messages coming from the thermal core on systems
 where iwlwifi is loaded, but the network interfaces controlled by it
 are down (Rafael Wysocki).
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Merge tag 'thermal-6.11-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control fix from Rafael Wysocki:
 "Fix a flood of kernel messages coming from the thermal core on systems
  where iwlwifi is loaded, but the network interfaces controlled by it
  are down (Rafael Wysocki)"

* tag 'thermal-6.11-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal: core: Allow thermal zones to tell the core to ignore them
 2024-07-22 12:13:48 -07:00
Linus Torvalds
9deed1d5f8 io_uring-6.11-20240722 
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Merge tag 'io_uring-6.11-20240722' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:
 "Two minor fixes in here, both heading to stable. In detail:

   - Fix error where forced async uring_cmd getsockopt returns the wrong
     value on execution, leading to it never being completed (Pavel)

   - Fix io_alloc_pbuf_ring() using a NULL check rather than IS_ERR
     (Pavel)"

* tag 'io_uring-6.11-20240722' of git://git.kernel.dk/linux:
  io_uring: fix error pbuf checking
  io_uring: fix lost getsockopt completions
 2024-07-22 11:45:48 -07:00
Linus Torvalds
7d080fa867 for-6.11/block-20240722 
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Merge tag 'for-6.11/block-20240722' of git://git.kernel.dk/linux

Pull more block updates from Jens Axboe:

 - MD fixes via Song:
     - md-cluster fixes (Heming Zhao)
     - raid1 fix (Mateusz Jończyk)

 - s390/dasd module description (Jeff)

 - Series cleaning up and hardening the blk-mq debugfs flag handling
   (John, Christoph)

 - blk-cgroup cleanup (Xiu)

 - Error polled IO attempts if backend doesn't support it (hexue)

 - Fix for an sbitmap hang (Yang)

* tag 'for-6.11/block-20240722' of git://git.kernel.dk/linux: (23 commits)
  blk-cgroup: move congestion_count to struct blkcg
  sbitmap: fix io hung due to race on sbitmap_word::cleared
  block: avoid polling configuration errors
  block: Catch possible entries missing from rqf_name[]
  block: Simplify definition of RQF_NAME()
  block: Use enum to define RQF_x bit indexes
  block: Catch possible entries missing from cmd_flag_name[]
  block: Catch possible entries missing from alloc_policy_name[]
  block: Catch possible entries missing from hctx_flag_name[]
  block: Catch possible entries missing from hctx_state_name[]
  block: Catch possible entries missing from blk_queue_flag_name[]
  block: Make QUEUE_FLAG_x as an enum
  block: Relocate BLK_MQ_MAX_DEPTH
  block: Relocate BLK_MQ_CPU_WORK_BATCH
  block: remove QUEUE_FLAG_STOPPED
  block: Add missing entry to hctx_flag_name[]
  block: Add zone write plugging entry to rqf_name[]
  block: Add missing entries from cmd_flag_name[]
  s390/dasd: fix error checks in dasd_copy_pair_store()
  s390/dasd: add missing MODULE_DESCRIPTION() macros
  ...
 2024-07-22 11:32:05 -07:00
Linus Torvalds
0256994887 for-6.11/block-post-20240722 
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Merge tag 'for-6.11/block-post-20240722' of git://git.kernel.dk/linux

Pull block integrity mapping updates from Jens Axboe:
 "A set of cleanups and fixes for the block integrity support.

  Sent separately from the main block changes from last week, as they
  depended on later fixes in the 6.10-rc cycle"

* tag 'for-6.11/block-post-20240722' of git://git.kernel.dk/linux:
  block: don't free the integrity payload in bio_integrity_unmap_free_user
  block: don't free submitter owned integrity payload on I/O completion
  block: call bio_integrity_unmap_free_user from blk_rq_unmap_user
  block: don't call bio_uninit from bio_endio
  block: also return bio_integrity_payload * from stubs
  block: split integrity support out of bio.h
 2024-07-22 11:04:09 -07:00
Linus Torvalds
dd018c238b bcachefs fixes for 6.11-rc1 
- another fix for fsck getting stuck, from marcin
 - small syzbot fix
 - another undefined shift fix
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Merge tag 'bcachefs-2024-07-22' of https://evilpiepirate.org/git/bcachefs

Pull bcachefs fixes from Kent Overstreet:

 - another fix for fsck getting stuck, from marcin

 - small syzbot fix

 - another undefined shift fix

* tag 'bcachefs-2024-07-22' of https://evilpiepirate.org/git/bcachefs:
  bcachefs: Fix printbuf usage while atomic
  bcachefs: More informative error message in reattach_inode()
  bcachefs: kill btree_trans_too_many_iters() in bch2_bucket_alloc_freelist()
  bcachefs: mean_and_variance: Avoid too-large shift amounts
 2024-07-22 10:59:08 -07:00
Linus Torvalds
5ea6d72489 ntfs3 changes for 6.11-rc1 
Added:
     simple fileattr has been implement.
 Fixed:
     transform resident to nonresident for compressed files;
     the format of the "nocase" mount option;
     getting file type;
     many other internal bugs.
 Refactored:
     unused function and macros have been removed;
     partial transition from page to folio (suggested by Matthew Wilcox);
     legacy ntfs support.
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Merge tag 'ntfs3_for_6.11' of https://github.com/Paragon-Software-Group/linux-ntfs3

Pull ntfs3 updates from Konstantin Komarov:
 "New code:
   - simple fileattr support

  Fixes:
   - transform resident to nonresident for compressed files
   - the format of the "nocase" mount option
   - getting file type
   - many other internal bugs

  Refactoring:
   - remove unused functions and macros
   - partial transition from page to folio (suggested by Matthew Wilcox)
   - legacy ntfs support"

* tag 'ntfs3_for_6.11' of https://github.com/Paragon-Software-Group/linux-ntfs3: (42 commits)
  fs/ntfs3: Fix formatting, change comments, renaming
  fs/ntfs3: Update log->page_{mask,bits} if log->page_size changed
  fs/ntfs3: Implement simple fileattr
  fs/ntfs3: Redesign legacy ntfs support
  fs/ntfs3: Use function file_inode to get inode from file
  fs/ntfs3: Minor ntfs_list_ea refactoring
  fs/ntfs3: Check more cases when directory is corrupted
  fs/ntfs3: Do copy_to_user out of run_lock
  fs/ntfs3: Keep runs for $MFT::$ATTR_DATA and $MFT::$ATTR_BITMAP
  fs/ntfs3: Missed error return
  fs/ntfs3: Fix the format of the "nocase" mount option
  fs/ntfs3: Fix field-spanning write in INDEX_HDR
  ntfs3: Convert attr_wof_frame_info() to use a folio
  ntfs3: Convert ni_readpage_cmpr() to take a folio
  ntfs3: Convert ntfs_get_frame_pages() to use a folio
  ntfs3: Remove calls to set/clear the error flag
  ntfs3: Convert attr_make_nonresident to use a folio
  ntfs3: Convert attr_data_write_resident to use a folio
  ntfs3: Convert ntfs_write_end() to work on a folio
  ntfs3: Convert attr_data_read_resident() to take a folio
  ...
 2024-07-22 10:50:18 -07:00
Kent Overstreet
737759fc09 bcachefs: Fix printbuf usage while atomic 
Reported-by: syzbot+f765e51170cf13493f0b@syzkaller.appspotmail.com
Fixes: f12410bb7ddd ("bcachefs: Add an error message for insufficient rw journal devs")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2024-07-22 11:27:15 -04:00