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1,308,922 commits

Author SHA1 Message Date
Arnd Bergmann
26dbffb2a4 drm/stm: add COMMON_CLK dependency
The added lvds driver and a change in the dsi driver resulted in failed
builds when COMMON_CLK is disabled:

x86_64-linux-ld: drivers/gpu/drm/stm/dw_mipi_dsi-stm.o: in function `dw_mipi_dsi_stm_remove':
dw_mipi_dsi-stm.c:(.text+0x51e): undefined reference to `clk_hw_unregister'

x86_64-linux-ld: drivers/gpu/drm/stm/lvds.o: in function `lvds_remove':
lvds.c:(.text+0xe3): undefined reference to `of_clk_del_provider'
x86_64-linux-ld: lvds.c:(.text+0xec): undefined reference to `clk_hw_unregister'
x86_64-linux-ld: drivers/gpu/drm/stm/lvds.o: in function `lvds_pll_config':
lvds.c:(.text+0xb5d): undefined reference to `clk_hw_get_rate'
x86_64-linux-ld: drivers/gpu/drm/stm/lvds.o: in function `lvds_probe':
lvds.c:(.text+0x1476): undefined reference to `clk_hw_register'
x86_64-linux-ld: lvds.c:(.text+0x148b): undefined reference to `of_clk_hw_simple_get'
x86_64-linux-ld: lvds.c:(.text+0x1493): undefined reference to `of_clk_add_hw_provider'
x86_64-linux-ld: lvds.c:(.text+0x1535): undefined reference to `clk_hw_unregister'

Add this as a dependency for the stm driver itself, since it will be
required in practice anyway.

Fixes: 185f99b614 ("drm/stm: dsi: expose DSI PHY internal clock")
Fixes: aca1cbc1c9 ("drm/stm: lvds: add new STM32 LVDS Display Interface Transmitter driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240719075454.3595358-1-arnd@kernel.org
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
2024-07-19 12:58:05 +02:00
Masatake YAMATO
7f1c4909a8 dm vdo: fix a minor formatting issue in vdo.rst
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
2024-07-19 12:08:21 +02:00
Matthew Sakai
513789b7fb dm vdo int-map: fix kerneldoc formatting
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407141607.M3E2XQ0Z-lkp@intel.com/
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
2024-07-19 12:08:21 +02:00
Matthew Sakai
fa398e603f dm vdo repair: add missing kerneldoc fields
Also remove trivial comment for increment_recovery_point.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9518
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
2024-07-19 12:08:21 +02:00
Christophe JAILLET
0b60be1628 dm: Constify struct dm_block_validator
'struct dm_block_validator' are not modified in these drivers.

Constifying this structure moves some data to a read-only section, so
increase overall security.

On a x86_64, with allmodconfig, as an example:

Before:
======
   text	   data	    bss	    dec	    hex	filename
  32047	    920	     16	  32983	   80d7	drivers/md/dm-cache-metadata.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
  32075	    896	     16	  32987	   80db	drivers/md/dm-cache-metadata.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
2024-07-19 12:08:15 +02:00
Mikulas Patocka
fb0987682c dm-integrity: introduce the Inline mode
This commit introduces a new 'I' mode for dm-integrity.

The 'I' mode may be selected if the underlying device has non-power-of-2
sector size. In this mode, dm-integrity will store integrity data
directly in device's sectors and it will not use journal.

This mode improves performance and reduces flash wear because there would
be no journal writes.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2024-07-19 12:06:44 +02:00
Jocelyn Falempe
3a9b77cee7 drm/panic: Remove build time dependency with FRAMEBUFFER_CONSOLE
Now that fbcon has the skip_panic option, there is no more conflicts
between drm_panic and fbcon.
Remove the build time dependency, so they can be both enabled.

Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20240717090102.968152-4-jfalempe@redhat.com
2024-07-19 11:38:24 +02:00
Jocelyn Falempe
c2c2a91f38 drm/fb-helper: Set skip_panic if the drm driver supports drm panic
fb_info->skip_panic flag prevents fbcon from writing to the
framebuffer during a kernel panic. So set it when the drm driver
implements drm panic, to avoid overwriting the panic screen.

Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20240717090102.968152-3-jfalempe@redhat.com
2024-07-19 11:38:23 +02:00
Jocelyn Falempe
d20a9f568f fbcon: Add an option to disable fbcon in panic
This is required to avoid conflict between DRM_PANIC, and fbcon. If
a drm device already handle panic with drm_panic, it should set
the skip_panic field in fb_info, so that fbcon will stay quiet, and
not overwrite the panic_screen.

Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20240717090102.968152-3-jfalempe@redhat.com
2024-07-19 11:38:23 +02:00
Jocelyn Falempe
9f774c42a9 drm/panic: Add drm_panic_is_enabled()
It allows to check if the drm device supports drm_panic.
Prepare the work to have better integration with fbcon and vtconsole.

Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20240717090102.968152-2-jfalempe@redhat.com
2024-07-19 11:38:23 +02:00
Yannick Fertre
ef82428612 drm/stm: ltdc: remove reload interrupt
The reload interrupt is not used by the driver. To avoid
unnecessary calls of the interrupt routine, don't enable it.
Solve small typo and add mask to simplify the driver.

Signed-off-by: Yannick Fertre <yannick.fertre@foss.st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240712131453.98597-1-yannick.fertre@foss.st.com
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
2024-07-19 11:34:50 +02:00
Yannick Fertre
ab59c6b205 drm/stm: ltdc: add mask for lxcr register
The purpose of this mask is to simplify writing to the lxcr
register and not to forget any fields.

Signed-off-by: Yannick Fertre <yannick.fertre@foss.st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240712131423.98405-1-yannick.fertre@foss.st.com
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
2024-07-19 11:34:50 +02:00
Yannick Fertre
02fa62d41c drm/stm: ltdc: reset plane transparency after plane disable
The plane's opacity should be reseted while the plane
is disabled. It prevents from seeing a possible global
or layer background color set earlier.

Signed-off-by: Yannick Fertre <yannick.fertre@foss.st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240712131344.98113-1-yannick.fertre@foss.st.com
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
2024-07-19 11:34:50 +02:00
Thomas Zimmermann
d5070c9b29 drm/mgag200: Implement struct drm_crtc_funcs.get_vblank_timestamp
Implement struct drm_crtc_funcs.get_vblank_timestamp with the DRM
helper drm_crtc_vblank_helper_get_vblank_timestamp() with its helper
get_scanout_position. Read the scanout position from the MGAREG_VCOUNT
register.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718104551.575912-8-tzimmermann@suse.de
2024-07-19 11:12:19 +02:00
Thomas Zimmermann
89c6ea2006 drm/mgag200: Add vblank support
There's no VBLANK interrupt on Matrox chipsets. The workaround that is
being used here and in other free Matrox drivers is to program <linecomp>
to the value of <vblkstr> and enable the VLINE interrupt. This triggers
an interrupt at the time when VBLANK begins.

VLINE uses separate registers for enabling and clearing pending interrupts.
No extra synchronization between irq handler and the rest of the driver is
required.

v6:
- clear VLINE status bit before registering IRQ (Jocelyn)

v5:
- disable all interrupts before registering IRQ (Jocelyn)
- don't read from ICLEAR (Jocelyn)

v4:
- recreate patch on latest upstream
- use devm_request_irq() for managed cleanup
- fail if vblanking cannot be initialized
- rename register constants (Sam, Emil)
- clear interrupt before registering handler (Ville)
- move <linecomp> programming into separate commit
- set <linecomp> to <vblkstr>
- fix typo in commit message

v3:
- set <linecomp> to <vdisplay> + 1 to trigger at VBLANK
- expand comment on linecomp

v2:
- only signal vblank on CRTC 0
- use constants for registers and fields
- set VLINECLR before enabling interrupt
- test against STATUS and IEN in irq handler
- coding-style fixes

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718104551.575912-7-tzimmermann@suse.de
2024-07-19 11:12:04 +02:00
Michal Wajdeczko
ad16682db1 drm/xe/vf: Fix register value lookup
We should use the number of actual entries stored in the runtime
register buffer, not the maximum number of entries that this buffer
can hold, otherwise bsearch() may fail and we may miss the data and
wrongly report unexpected access to some registers.

Fixes: 4edadc41a3 ("drm/xe/vf: Use register values obtained from the PF")
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Piotr Piórkowski <piotr.piorkowski@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718203155.486-1-michal.wajdeczko@intel.com
2024-07-19 11:06:09 +02:00
Thomas Zimmermann
5cd522b533 drm/mgag200: Add dedicted variable for <linecomp> field
Replace the line-compare value of <vdispend> with a dedicated variable
<linecomp>. Improves readability and prepares for vblank support.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718104551.575912-6-tzimmermann@suse.de
2024-07-19 10:40:21 +02:00
Thomas Zimmermann
d6460bd52c drm/mgag200: Add dedicated variables for blanking fields
Represent fields for horizontal and vertical blanking with <hblkstr>,
<hblkend>, <vblkstr> and <vblkend>. Aligns the code with the Matrox
programming manuals.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718104551.575912-5-tzimmermann@suse.de
2024-07-19 10:40:20 +02:00
Thomas Zimmermann
e8f834b559 drm/mgag200: Use adjusted mode values for CRTCs
Use the values with the crtc_ prefix from struct drm_display_mode to
program hardware. The DRM core adjusted these values to the requirements
of CRTC hardware.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718104551.575912-4-tzimmermann@suse.de
2024-07-19 10:40:20 +02:00
Thomas Zimmermann
b345b3542d drm/mgag200: Align register field names with documentation
In mgag200_set_mode_regs(), align variable names with the field names
given in the Matrox programming manuals. Makes the code and docs grep-
able.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718104551.575912-3-tzimmermann@suse.de
2024-07-19 10:40:19 +02:00
Thomas Zimmermann
754c9129b9 drm/mgag200: Use hexadecimal register indeces
In mgag200_set_mode_regs(), use hexadecimal indices for accessing
registers. Aligns the code with the register indices in the Matrox
programming manuals. Also convert to lower-case hexadecimal values.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718104551.575912-2-tzimmermann@suse.de
2024-07-19 10:40:19 +02:00
Arnd Bergmann
1a8c67a8b2 arm64: qcom: don't select HAVE_PWRCTL when PCI=n
The new HAVE_PWRCTL option is defined in the PCI subsystem, so
selecting it unconditionally when PCI is disabled causes a harmless
warning:

WARNING: unmet direct dependencies detected for HAVE_PWRCTL
  Depends on [n]: PCI [=n]
  Selected by [y]:
  - ARCH_QCOM [=y]

Add 'if PCI' in the qualcomm platform to hide the warning.

Fixes: ed70aaac7c ("Kconfig: reduce the amount of power sequencing noise")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2024-07-19 09:49:24 +02:00
Umesh Nerlige Ramappa
2149ded630 drm/xe: Fix use after free when client stats are captured
xe_file_close triggers an asynchronous queue cleanup and then frees up
the xef object. Since queue cleanup flushes all pending jobs and the KMD
stores client usage stats into the xef object after jobs are flushed, we
see a use-after-free for the xef object. Resolve this by taking a
reference to xef from xe_exec_queue.

While at it, revert an earlier change that contained a partial work
around for this issue.

v2:
- Take a ref to xef even for the VM bind queue (Matt)
- Squash patches relevant to that fix and work around (Lucas)

v3: Fix typo (Lucas)

Fixes: ce62827bc2 ("drm/xe: Do not access xe file when updating exec queue run_ticks")
Fixes: 6109f24f87 ("drm/xe: Add helper to accumulate exec queue runtime")
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/issues/1908
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718210548.3580382-5-umesh.nerlige.ramappa@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-07-19 00:32:37 -07:00
Umesh Nerlige Ramappa
a2387e6949 drm/xe: Take a ref to xe file when user creates a VM
Take a reference to xef when user creates the VM and put the reference
when user destroys the VM.

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718210548.3580382-4-umesh.nerlige.ramappa@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-07-19 00:32:36 -07:00
Umesh Nerlige Ramappa
ce8c161cba drm/xe: Add ref counting for xe_file
Add ref counting for xe_file.

v2:
- Add kernel doc for exported functions (Matt)
- Instead of xe_file_destroy, export the get/put helpers (Lucas)

v3: Fixup the kernel-doc format and description (Matt, Lucas)

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718210548.3580382-3-umesh.nerlige.ramappa@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-07-19 00:31:08 -07:00
Umesh Nerlige Ramappa
3d0c4a62cc drm/xe: Move part of xe_file cleanup to a helper
In order to make xe_file ref counted, move destruction of xe_file
members to a helper.

v2: Move xe_vm_close_and_put back into xe_file_close (Matt)

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718210548.3580382-2-umesh.nerlige.ramappa@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-07-19 00:31:07 -07:00
Jammy Huang
12c35c5582 drm/ast: Fix black screen after resume
Suspend will disable pcie device. Thus, resume should do full hw
initialization again.
Add some APIs to ast_drm_thaw() before ast_post_gpu() to fix the issue.

v2:
- fix function-call arguments

Fixes: 5b71707dd1 ("drm/ast: Enable and unlock device access early during init")
Reported-by: Cary Garrett <cogarre@gmail.com>
Closes: https://lore.kernel.org/dri-devel/8ce1e1cc351153a890b65e62fed93b54ccd43f6a.camel@gmail.com/
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Jocelyn Falempe <jfalempe@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v6.6+
Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718030352.654155-1-jammy_huang@aspeedtech.com
2024-07-19 09:09:17 +02:00
Masami Hiramatsu (Google)
5c28424e9a syscalls: Fix to add sys_uretprobe to syscall.tbl
Add sys_uretprobe entry to scripts/syscall.tbl as same as
arch/x86/entry/syscalls/syscall_64.tbl.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/all/20240719102824.1e086a40@canb.auug.org.au/
Fixes: 63ded11097 ("uprobe: Change uretprobe syscall scope and number")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
2024-07-19 14:35:51 +09:00
Lance Richardson
28e8b7406d dma: fix call order in dmam_free_coherent
dmam_free_coherent() frees a DMA allocation, which makes the
freed vaddr available for reuse, then calls devres_destroy()
to remove and free the data structure used to track the DMA
allocation. Between the two calls, it is possible for a
concurrent task to make an allocation with the same vaddr
and add it to the devres list.

If this happens, there will be two entries in the devres list
with the same vaddr and devres_destroy() can free the wrong
entry, triggering the WARN_ON() in dmam_match.

Fix by destroying the devres entry before freeing the DMA
allocation.

Tested:
  kokonut //net/encryption
    http://sponge2/b9145fe6-0f72-4325-ac2f-a84d81075b03

Fixes: 9ac7849e35 ("devres: device resource management")
Signed-off-by: Lance Richardson <rlance@google.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2024-07-19 07:27:28 +02:00
Kent Overstreet
2fa88b1919 bcachefs: kill btree_trans_too_many_iters() in bch2_bucket_alloc_freelist()
When we're called via
trans commit -> btree split -> allocator

We may have already arbitrarily many btree_paths, for the transaction
commit we're trying to do; when this happens, the
btree_trans_too_many_iters() call causes us to livelock.

Since the allocator calls btree_iter_dontneed to release paths as it
iterates, this shouldn't cause any problems.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-07-18 21:06:03 -04:00
Linus Torvalds
720261cfc7 bcachefs changes for 6.11-rc1 (version 2)
Additional fixes on top of the original 6.11 pull request:
 - undefined behaviour fixes, originally noted as breaking userspace LTO
   builds
 - fix a spurious warning in fsck_err, reported by Marcin
 - fix an integer overflow on trans->nr_updates, also reported by Marcin;
   this broke during deletion of highly fragmented indirect extents
 - Add comments for lockdep functions
 
 ======
 
 - Metadata version 1.8: Stripe sectors accounting, BCH_DATA_unstriped
 
 This splits out the accounting of dirty sectors and stripe sectors in
 alloc keys; this lets us see stripe buckets that still have unstriped
 data in them.
 
 This is needed for ensuring that erasure coding is working correctly, as
 well as completing stripe creation after a crash.
 
 - Metadata version 1.9: Disk accounting rewrite
 
 The previous disk accounting scheme relied heavily on percpu counters
 that were also sharded by outstanding journal buffer; it was fast but
 not extensible or scalable, and meant that all accounting counters were
 recorded in every journal entry.
 
 The new disk accounting scheme stores accounting as normal btree keys;
 updates are deltas until they are flushed by the btree write buffer.
 
 This means we have no practical limit on the number of counters, and a
 new tagged union format that's easy to extend.
 
 We now have counters for compression type/ratio, per-snapshot-id usage,
 per-btree-id usage, and pending rebalance work.
 
 - Self healing on read IO/checksum error
 
 data is now automatically rewritten if we get a read error and then a
 successful retry
 
 - Mount API conversion (thanks to Thomas Bertschinger)
 
 - Better lockdep coverage
 
 Previously, btree node locks were tracked individually by lockdep, like
 any other lock. But we may take _many_ btree node locks simultaneously,
 we easily blow through the limit of 48 locks that lockdep can track,
 leading to lockdep turning itself off.
 
 Tracking each btree node lock individually isn't really necessary since
 we have our own cycle detector for deadlock avoidance and centralized
 tracking of btree node locks, so we now have a single lockdep_map in
 btree_trans for "any btree nodes are locked".
 
 - some more small incremental work towards online check_allocations
 
 - lots more debugging improvements, fixes
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Merge tag 'bcachefs-2024-07-18.2' of https://evilpiepirate.org/git/bcachefs

Pull bcachefs updates from Kent Overstreet:

 - Metadata version 1.8: Stripe sectors accounting, BCH_DATA_unstriped

   This splits out the accounting of dirty sectors and stripe sectors in
   alloc keys; this lets us see stripe buckets that still have unstriped
   data in them.

   This is needed for ensuring that erasure coding is working correctly,
   as well as completing stripe creation after a crash.

 - Metadata version 1.9: Disk accounting rewrite

   The previous disk accounting scheme relied heavily on percpu counters
   that were also sharded by outstanding journal buffer; it was fast but
   not extensible or scalable, and meant that all accounting counters
   were recorded in every journal entry.

   The new disk accounting scheme stores accounting as normal btree
   keys; updates are deltas until they are flushed by the btree write
   buffer.

   This means we have no practical limit on the number of counters, and
   a new tagged union format that's easy to extend.

   We now have counters for compression type/ratio, per-snapshot-id
   usage, per-btree-id usage, and pending rebalance work.

 - Self healing on read IO/checksum error

   Data is now automatically rewritten if we get a read error and then a
   successful retry

 - Mount API conversion (thanks to Thomas Bertschinger)

 - Better lockdep coverage

   Previously, btree node locks were tracked individually by lockdep,
   like any other lock. But we may take _many_ btree node locks
   simultaneously, we easily blow through the limit of 48 locks that
   lockdep can track, leading to lockdep turning itself off.

   Tracking each btree node lock individually isn't really necessary
   since we have our own cycle detector for deadlock avoidance and
   centralized tracking of btree node locks, so we now have a single
   lockdep_map in btree_trans for "any btree nodes are locked".

 - Some more small incremental work towards online check_allocations

 - Lots more debugging improvements

 - Fixes, including:
    - undefined behaviour fixes, originally noted as breaking userspace
      LTO builds
    - fix a spurious warning in fsck_err, reported by Marcin
    - fix an integer overflow on trans->nr_updates, also reported by
      Marcin; this broke during deletion of highly fragmented indirect
      extents

* tag 'bcachefs-2024-07-18.2' of https://evilpiepirate.org/git/bcachefs: (120 commits)
  lockdep: Add comments for lockdep_set_no{validate,track}_class()
  bcachefs: Fix integer overflow on trans->nr_updates
  bcachefs: silence silly kdoc warning
  bcachefs: Fix fsck warning about btree_trans not passed to fsck error
  bcachefs: Add an error message for insufficient rw journal devs
  bcachefs: varint: Avoid left-shift of a negative value
  bcachefs: darray: Don't pass NULL to memcpy()
  bcachefs: Kill bch2_assert_btree_nodes_not_locked()
  bcachefs: Rename BCH_WRITE_DONE -> BCH_WRITE_SUBMITTED
  bcachefs: __bch2_read(): call trans_begin() on every loop iter
  bcachefs: show none if label is not set
  bcachefs: drop packed, aligned from bkey_inode_buf
  bcachefs: btree node scan: fall back to comparing by journal seq
  bcachefs: Add lockdep support for btree node locks
  lockdep: lockdep_set_notrack_class()
  bcachefs: Improve copygc_wait_to_text()
  bcachefs: Convert clock code to u64s
  bcachefs: Improve startup message
  bcachefs: Self healing on read IO error
  bcachefs: Make read_only a mount option again, but hidden
  ...
2024-07-18 17:27:43 -07:00
Linus Torvalds
4f40c636b2 NFS Client Updates for Linux 6.11
New Features:
   * Add support for large folios
   * Implement rpcrdma generic device removal notification
   * Add client support for attribute delegations
   * Use a LAYOUTRETURN during reboot recovery to report layoutstats and errors
   * Improve throughput for random buffered writes
   * Add NVMe support to pnfs/blocklayout
 
 Bugfixes:
   * Fix rpcrdma_reqs_reset()
   * Avoid soft lockups when using UDP
   * Fix an nfs/blocklayout premature PR key unregestration
   * Another fix for EXCHGID4_FLAG_USE_PNFS_DS for DS server
   * Do not extend writes to the entire folio
   * Pass explicit offset and count values to tracepoints
   * Fix a race to wake up sleeping SUNRPC sync tasks
   * Fix gss_status tracepoint output
 
 Cleanups:
   * Add missing MODULE_DESCRIPTION() macros
   * Add blocklayout / SCSI layout tracepoints
   * Remove asm-generic headers from xprtrdma verbs.c
   * Remove unused 'struct mnt_fhstatus'
   * Other delegation related cleanups
   * Other folio related cleanups
   * Other pNFS related cleanups
   * Other xprtrdma cleanups
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Merge tag 'nfs-for-6.11-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client updates from Anna Schumaker:
 "New Features:
   - Add support for large folios
   - Implement rpcrdma generic device removal notification
   - Add client support for attribute delegations
   - Use a LAYOUTRETURN during reboot recovery to report layoutstats
     and errors
   - Improve throughput for random buffered writes
   - Add NVMe support to pnfs/blocklayout

  Bugfixes:
   - Fix rpcrdma_reqs_reset()
   - Avoid soft lockups when using UDP
   - Fix an nfs/blocklayout premature PR key unregestration
   - Another fix for EXCHGID4_FLAG_USE_PNFS_DS for DS server
   - Do not extend writes to the entire folio
   - Pass explicit offset and count values to tracepoints
   - Fix a race to wake up sleeping SUNRPC sync tasks
   - Fix gss_status tracepoint output

  Cleanups:
   - Add missing MODULE_DESCRIPTION() macros
   - Add blocklayout / SCSI layout tracepoints
   - Remove asm-generic headers from xprtrdma verbs.c
   - Remove unused 'struct mnt_fhstatus'
   - Other delegation related cleanups
   - Other folio related cleanups
   - Other pNFS related cleanups
   - Other xprtrdma cleanups"

* tag 'nfs-for-6.11-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (63 commits)
  SUNRPC: Fixup gss_status tracepoint error output
  SUNRPC: Fix a race to wake a sync task
  nfs: split nfs_read_folio
  nfs: pass explicit offset/count to trace events
  nfs: do not extend writes to the entire folio
  nfs/blocklayout: add support for NVMe
  nfs: remove nfs_page_length
  nfs: remove the unused max_deviceinfo_size field from struct pnfs_layoutdriver_type
  nfs: don't reuse partially completed requests in nfs_lock_and_join_requests
  nfs: move nfs_wait_on_request to write.c
  nfs: fold nfs_page_group_lock_subrequests into nfs_lock_and_join_requests
  nfs: fold nfs_folio_find_and_lock_request into nfs_lock_and_join_requests
  nfs: simplify nfs_folio_find_and_lock_request
  nfs: remove nfs_folio_private_request
  nfs: remove dead code for the old swap over NFS implementation
  NFSv4.1 another fix for EXCHGID4_FLAG_USE_PNFS_DS for DS server
  nfs: Block on write congestion
  nfs: Properly initialize server->writeback
  nfs: Drop pointless check from nfs_commit_release_pages()
  nfs/blocklayout: SCSI layout trace points for reservation key reg/unreg
  ...
2024-07-18 17:17:30 -07:00
Linus Torvalds
51ed42a8a1 Many cleanups and bug fixes in ext4, especially for the fast commit
feature.  Also some performance improvements; in particular, improving
 IOPS and throughput on fast devices running Async Direct I/O by up to
 20% by optimizing jbd2_transaction_committed().
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Merge tag 'ext4_for_linus-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Many cleanups and bug fixes in ext4, especially for the fast commit
  feature.

  Also some performance improvements; in particular, improving IOPS and
  throughput on fast devices running Async Direct I/O by up to 20% by
  optimizing jbd2_transaction_committed()"

* tag 'ext4_for_linus-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (40 commits)
  ext4: make sure the first directory block is not a hole
  ext4: check dot and dotdot of dx_root before making dir indexed
  ext4: sanity check for NULL pointer after ext4_force_shutdown
  jbd2: increase maximum transaction size
  jbd2: drop pointless shrinker batch initialization
  jbd2: avoid infinite transaction commit loop
  jbd2: precompute number of transaction descriptor blocks
  jbd2: make jbd2_journal_get_max_txn_bufs() internal
  jbd2: avoid mount failed when commit block is partial submitted
  ext4: avoid writing unitialized memory to disk in EA inodes
  ext4: don't track ranges in fast_commit if inode has inlined data
  ext4: fix possible tid_t sequence overflows
  ext4: use ext4_update_inode_fsync_trans() helper in inode creation
  ext4: add missing MODULE_DESCRIPTION()
  jbd2: add missing MODULE_DESCRIPTION()
  ext4: use memtostr_pad() for s_volume_name
  jbd2: speed up jbd2_transaction_committed()
  ext4: make ext4_da_map_blocks() buffer_head unaware
  ext4: make ext4_insert_delayed_block() insert multi-blocks
  ext4: factor out a helper to check the cluster allocation state
  ...
2024-07-18 17:03:42 -07:00
Linus Torvalds
dddebdece6 vfs-6.11-rc1.fixes
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Merge tag 'vfs-6.11-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull vfs fixes from Christian Brauner:

 - Fix a missing rcu_read_unlock() in nsfs by switching to a cleanup
   guard

 - Add missing module descriptor for adfs

* tag 'vfs-6.11-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
  nsfs: use cleanup guard
  fs/adfs: add MODULE_DESCRIPTION
2024-07-18 16:59:02 -07:00
Linus Torvalds
cf05e93af4 Nothing hugely exciting happening in the documentation tree this time
around, mostly more of the usual:
 
 - More Spanish, Italian, and Chinese translations
 
 - A new script, scripts/checktransupdate.py, can be used to see which
   commits have touched an (English) document since a given translation was
   last updated.
 
 - A couple of "best practices" suggestions (on Link: tags and off-list
   discussions) that were not entirely at consensus level, but I concluded
   they were close enough to accept.
 
 - Some nice cleanups removing documentation for kernel parameters that have
   not been recognized for ... a long time.
 
 ...along with the usual updates, typo fixes, and such.
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Merge tag 'docs-6.11' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "Nothing hugely exciting happening in the documentation tree this time
  around, mostly more of the usual:

   - More Spanish, Italian, and Chinese translations

   - A new script, scripts/checktransupdate.py, can be used to see which
     commits have touched an (English) document since a given
     translation was last updated.

   - A couple of "best practices" suggestions (on Link: tags and
     off-list discussions) that were not entirely at consensus level,
     but I concluded they were close enough to accept.

   - Some nice cleanups removing documentation for kernel parameters
     that have not been recognized for ... a long time.

  ...along with the usual updates, typo fixes, and such"

* tag 'docs-6.11' of git://git.lwn.net/linux: (57 commits)
  Documentation: Document user_events ioctl code
  docs/pinctrl: fix typo in mapping example
  docs: maintainer: discourage taking conversations off-list
  docs: driver-model: platform: update the definition of platform_driver
  docs/sp_SP: Add translation for scheduler/sched-design-CFS.rst
  writing_musb_glue_layer.rst: Fix broken URL
  zh_CN/admin-guide: one typo fix
  docs/zh_CN/virt: Update the translation of guest-halt-polling.rst
  Documentation: add reference from dynamic debug to loglevel kernel params
  Documentation: best practices for using Link trailers
  Documentation: fix links to mailing list services
  Documentation: exception-tables.rst: Fix the wrong steps referenced
  docs/zh_CN: add process/researcher-guidelines Chinese translation
  Documentation/tools/rv: fix document header
  docs/sp_SP: Add translation of process/maintainer-kvm-x86.rst
  docs/admin-guide/mm: correct typo 'quired' to 'queried'
  Add libps2 to the input section of driver-api
  Docs/mm/index: move allocation profiling document to unsorted documents chapter
  Docs/mm/index: rename 'Legacy Documentation' to 'Unsorted Documentation'
  Docs/mm/index: Remove 'Memory Management Guide' chapter marker
  ...
2024-07-18 15:54:16 -07:00
Linus Torvalds
7dd894c1bf This includes the following changes related to sparc for v6.11:
- Add MODULE_DESCRIPTION for a number of sbus drivers
 
 - Fix linking error for large sparc32 kernels
 
 - Fix incorrect functions signature and prototype warnings for sparc64
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Merge tag 'sparc-for-6.11-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/alarsson/linux-sparc

Pull sparc updates from Andreas Larsson:

 - Add MODULE_DESCRIPTION for a number of sbus drivers

 - Fix linking error for large sparc32 kernels

 - Fix incorrect functions signature and prototype warnings for sparc64

* tag 'sparc-for-6.11-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/alarsson/linux-sparc:
  sparc64: Fix prototype warnings in hibernate.c
  sparc64: Fix prototype warning for prom_get_mmu_ihandle
  sparc64: Fix incorrect function signature and add prototype for prom_cif_init
  sparc64: Fix prototype warnings for floppy_64.h
  sparc32: Fix truncated relocation errors when linking large kernels
  sbus: add missing MODULE_DESCRIPTION() macros
2024-07-18 15:48:41 -07:00
Linus Torvalds
1c7d0c3af5 s390 updates for 6.11 merge window
- Remove restrictions on PAI NNPA and crypto counters, enabling
   concurrent per-task and system-wide sampling and counting events
 
 - Switch to GENERIC_CPU_DEVICES by setting up the CPU present mask in
   the architecture code and letting the generic code handle CPU bring-up
 
 - Add support for the diag204 busy indication facility to prevent
   undesirable blocking during hypervisor logical CPU utilization
   queries. Implement results caching
 
 - Improve the handling of Store Data SCLP events by suppressing
   unnecessary warning, preventing buffer release in I/O during failures,
   and adding timeout handling for Store Data requests to address potential
   firmware issues
 
 - Provide optimized __arch_hweight*() implementations
 
 - Remove the unnecessary CPU KOBJ_CHANGE uevents generated during topology
   updates, as they are unused and also not present on other architectures
 
 - Cleanup atomic_ops, optimize __atomic_set() for small values and
   __atomic_cmpxchg_bool() for compilers supporting flag output constraint
 
 - Couple of cleanups for KVM:
   - Move and improve KVM struct definitions for DAT tables from gaccess.c
     to a new header
   - Pass the asce as parameter to sie64a()
 
 - Make the crdte() and cspg() page table handling wrappers return a
   boolean to indicate success, like the other existing "compare and swap"
   wrappers
 
 - Add documentation for HWCAP flags
 
 - Switch to obtaining total RAM pages from memblock instead of
   totalram_pages() during mm init, to ensure correct calculation of zero
   page size, when defer_init is enabled
 
 - Refactor lowcore access and switch to using the get_lowcore() function
   instead of the S390_lowcore macro
 
 - Cleanups for PG_arch_1 and folio handling in UV and hugetlb code
 
 - Add missing MODULE_DESCRIPTION() macros
 
 - Fix VM_FAULT_HWPOISON handling in do_exception()
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Merge tag 's390-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Vasily Gorbik:

 - Remove restrictions on PAI NNPA and crypto counters, enabling
   concurrent per-task and system-wide sampling and counting events

 - Switch to GENERIC_CPU_DEVICES by setting up the CPU present mask in
   the architecture code and letting the generic code handle CPU
   bring-up

 - Add support for the diag204 busy indication facility to prevent
   undesirable blocking during hypervisor logical CPU utilization
   queries. Implement results caching

 - Improve the handling of Store Data SCLP events by suppressing
   unnecessary warning, preventing buffer release in I/O during
   failures, and adding timeout handling for Store Data requests to
   address potential firmware issues

 - Provide optimized __arch_hweight*() implementations

 - Remove the unnecessary CPU KOBJ_CHANGE uevents generated during
   topology updates, as they are unused and also not present on other
   architectures

 - Cleanup atomic_ops, optimize __atomic_set() for small values and
   __atomic_cmpxchg_bool() for compilers supporting flag output
   constraint

 - Couple of cleanups for KVM:
     - Move and improve KVM struct definitions for DAT tables from
       gaccess.c to a new header
     - Pass the asce as parameter to sie64a()

 - Make the crdte() and cspg() page table handling wrappers return a
   boolean to indicate success, like the other existing "compare and
   swap" wrappers

 - Add documentation for HWCAP flags

 - Switch to obtaining total RAM pages from memblock instead of
   totalram_pages() during mm init, to ensure correct calculation of
   zero page size, when defer_init is enabled

 - Refactor lowcore access and switch to using the get_lowcore()
   function instead of the S390_lowcore macro

 - Cleanups for PG_arch_1 and folio handling in UV and hugetlb code

 - Add missing MODULE_DESCRIPTION() macros

 - Fix VM_FAULT_HWPOISON handling in do_exception()

* tag 's390-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (54 commits)
  s390/mm: Fix VM_FAULT_HWPOISON handling in do_exception()
  s390/kvm: Move bitfields for dat tables
  s390/entry: Pass the asce as parameter to sie64a()
  s390/sthyi: Use cached data when diag is busy
  s390/sthyi: Move diag operations
  s390/hypfs_diag: Diag204 busy loop
  s390/diag: Add busy-indication-facility requirements
  s390/diag: Diag204 add busy return errno
  s390/diag: Return errno's from diag204
  s390/sclp: Diag204 busy indication facility detection
  s390/atomic_ops: Make use of flag output constraint
  s390/atomic_ops: Improve __atomic_set() for small values
  s390/atomic_ops: Use symbolic names
  s390/smp: Switch to GENERIC_CPU_DEVICES
  s390/hwcaps: Add documentation for HWCAP flags
  s390/pgtable: Make crdte() and cspg() return a value
  s390/topology: Remove CPU KOBJ_CHANGE uevents
  s390/sclp: Add timeout to Store Data requests
  s390/sclp: Prevent release of buffer in I/O
  s390/sclp: Suppress unnecessary Store Data warning
  ...
2024-07-18 15:41:45 -07:00
Tavian Barnes
73f88592dd bcachefs: mean_and_variance: Avoid too-large shift amounts
Shifting a value by the width of its type or more is undefined.

Signed-off-by: Tavian Barnes <tavianator@tavianator.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-07-18 18:33:30 -04:00
Kent Overstreet
a97b43fac5 lockdep: Add comments for lockdep_set_no{validate,track}_class()
Cc: Waiman Long <longman@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-07-18 18:33:30 -04:00
Kent Overstreet
6f719cbe0c bcachefs: Fix integer overflow on trans->nr_updates
We can't have more updates than paths, so btree_path_idx_t is the
correct type to use.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-07-18 18:33:30 -04:00
Kent Overstreet
f05a0b9c73 bcachefs: silence silly kdoc warning
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-07-18 18:33:30 -04:00
Kent Overstreet
2c4c17fefc bcachefs: Fix fsck warning about btree_trans not passed to fsck error
If a btree_trans is in use it's supposed to be passed to fsck_err so
that it can be unlocked if we're waiting on userspace input; but the
btree IO paths do call fsck errors where a btree_trans exists on the
stack but it's not passed through.

But it's ok, because it's unlocked while doing IO.

Fixes: a850bde649 ("bcachefs: fsck_err() may now take a btree_trans")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-07-18 18:33:30 -04:00
Kent Overstreet
f12410bb7d bcachefs: Add an error message for insufficient rw journal devs
This causes us to go read-only - need an error message saying why.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-07-18 18:33:30 -04:00
Tavian Barnes
ee1b8dc17a bcachefs: varint: Avoid left-shift of a negative value
Shifting a negative value left is undefined.

Signed-off-by: Tavian Barnes <tavianator@tavianator.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-07-18 18:33:30 -04:00
Linus Torvalds
dde1a0e162 x86/percpu changes for v6.11:
- Enable the named address spaces based percpu accessors optimization
    on all GCC versions that contain this feature, detected through
    a build-time testcase. This effectively enables the feature on
    GCC 6, GCC 7 and GCC 8 versions.
 
  - Fix operand constraint modifier in __raw_cpu_write()
 
  - Reorganize the per-CPU headers for better readability
 
  - Misc cleanups and fixes
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-percpu-2024-07-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 percpu updates from Ingo Molnar:

 - Enable the named address spaces based percpu accessors optimization
   on all GCC versions that contain this feature, detected through a
   build-time testcase.

   This effectively enables the feature on GCC 6, GCC 7 and GCC 8
   versions.

 - Fix operand constraint modifier in __raw_cpu_write()

 - Reorganize the per-CPU headers for better readability

 - Misc cleanups and fixes

* tag 'x86-percpu-2024-07-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/percpu: Enable named address spaces for all capable GCC versions
  x86/percpu: Clean up <asm/percpu.h> vertical alignment details
  x86/percpu: Clean up <asm/percpu.h> a bit
  x86/percpu: Move some percpu accessors around to reduce ifdeffery
  x86/percpu: Rename percpu_stable_op() to __raw_cpu_read_stable()
  x86/percpu: Fix operand constraint modifier in __raw_cpu_write()
  x86/percpu: Introduce the __raw_cpu_read_const() macro
  x86/percpu: Unify percpu read-write accessors
  x86/percpu: Move some percpu macros around for readability
  x86/percpu: Introduce the pcpu_binary_op() macro
2024-07-18 15:24:59 -07:00
Linus Torvalds
76d9b92e68 slab updates for 6.11
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Merge tag 'slab-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab updates from Vlastimil Babka:
 "The most prominent change this time is the kmem_buckets based
  hardening of kmalloc() allocations from Kees Cook.

  We have also extended the kmalloc() alignment guarantees for
  non-power-of-two sizes in a way that benefits rust.

  The rest are various cleanups and non-critical fixups.

   - Dedicated bucket allocator (Kees Cook)

     This series [1] enhances the probabilistic defense against heap
     spraying/grooming of CONFIG_RANDOM_KMALLOC_CACHES from last year.

     kmalloc() users that are known to be useful for exploits can get
     completely separate set of kmalloc caches that can't be shared with
     other users. The first converted users are alloc_msg() and
     memdup_user().

     The hardening is enabled by CONFIG_SLAB_BUCKETS.

   - Extended kmalloc() alignment guarantees (Vlastimil Babka)

     For years now we have guaranteed natural alignment for power-of-two
     allocations, but nothing was defined for other sizes (in practice,
     we have two such buckets, kmalloc-96 and kmalloc-192).

     To avoid unnecessary padding in the rust layer due to its alignment
     rules, extend the guarantee so that the alignment is at least the
     largest power-of-two divisor of the requested size.

     This fits what rust needs, is a superset of the existing
     power-of-two guarantee, and does not in practice change the layout
     (and thus does not add overhead due to padding) of the kmalloc-96
     and kmalloc-192 caches, unless slab debugging is enabled for them.

   - Cleanups and non-critical fixups (Chengming Zhou, Suren
     Baghdasaryan, Matthew Willcox, Alex Shi, and Vlastimil Babka)

     Various tweaks related to the new alloc profiling code, folio
     conversion, debugging and more leftovers after SLAB"

Link: https://lore.kernel.org/all/20240701190152.it.631-kees@kernel.org/ [1]

* tag 'slab-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  mm/memcg: alignment memcg_data define condition
  mm, slab: move prepare_slab_obj_exts_hook under CONFIG_MEM_ALLOC_PROFILING
  mm, slab: move allocation tagging code in the alloc path into a hook
  mm/util: Use dedicated slab buckets for memdup_user()
  ipc, msg: Use dedicated slab buckets for alloc_msg()
  mm/slab: Introduce kmem_buckets_create() and family
  mm/slab: Introduce kvmalloc_buckets_node() that can take kmem_buckets argument
  mm/slab: Plumb kmem_buckets into __do_kmalloc_node()
  mm/slab: Introduce kmem_buckets typedef
  slab, rust: extend kmalloc() alignment guarantees to remove Rust padding
  slab: delete useless RED_INACTIVE and RED_ACTIVE
  slab: don't put freepointer outside of object if only orig_size
  slab: make check_object() more consistent
  mm: Reduce the number of slab->folio casts
  mm, slab: don't wrap internal functions with alloc_hooks()
2024-07-18 15:08:12 -07:00
Linus Torvalds
b2fc97c186 memblock: updates for 6.11-rc1
* reserve_mem command line parameter to allow creation of named memory
   reservation at boot time.
   The driving use-case is to improve the ability of pstore to retain
   ramoops data across reboots.
 * cleaunps and small improvements in memblock and mm_init
 * new tests cases in memblock test suite
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Merge tag 'memblock-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock

Pull memblock updates from Mike Rapoport:

 - 'reserve_mem' command line parameter to allow creation of named
   memory reservation at boot time.

   The driving use-case is to improve the ability of pstore to retain
   ramoops data across reboots.

 - cleanups and small improvements in memblock and mm_init

 - new tests cases in memblock test suite

* tag 'memblock-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
  memblock tests: fix implicit declaration of function 'numa_valid_node'
  memblock: Move late alloc warning down to phys alloc
  pstore/ramoops: Add ramoops.mem_name= command line option
  mm/memblock: Add "reserve_mem" to reserved named memory at boot up
  mm/mm_init.c: don't initialize page->lru again
  mm/mm_init.c: not always search next deferred_init_pfn from very beginning
  mm/mm_init.c: use deferred_init_mem_pfn_range_in_zone() to decide loop condition
  mm/mm_init.c: get the highest zone directly
  mm/mm_init.c: move nr_initialised reset down a bit
  mm/memblock: fix a typo in description of for_each_mem_region()
  mm/mm_init.c: use memblock_region_memory_base_pfn() to get startpfn
  mm/memblock: use PAGE_ALIGN_DOWN to get pgend in free_memmap
  mm/memblock: return true directly on finding overlap region
  memblock tests: add memblock_overlaps_region_checks
  mm/memblock: fix comment for memblock_isolate_range()
  memblock tests: add memblock_reserve_many_may_conflict_check()
  memblock tests: add memblock_reserve_all_locations_check()
  mm/memblock: remove empty dummy entry
2024-07-18 14:48:11 -07:00
Dr. David Alan Gilbert
0c977ff2b8 drm/bridge: analogix: remove unused struct 'bridge_init'
commit 6a1688ae87 ("drm/bridge: ptn3460: Convert to I2C driver model")
has dropped all the users of the struct bridge_init from the
exynos_dp_core, while retaining unused structure definition.
Later on the driver was reworked and the definition migrated
to the analogix_dp driver. Remove unused struct bridge_init definition.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240520125551.11534-1-linux@treblig.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2024-07-19 00:42:39 +03:00
Linus Torvalds
68b5973045 perf tools changes for v6.11
Build
 -----
 * Build each directory as a library so that depedency check for the
   python extension module can be automatic.  But it also introduces
   some trivial merge conflicts with other trees that touched perf tools
   codes.  Basically it changes perf-y to perf-util-y or similar and you
   can find the resolution in the perf-next tree here.
 
   - https://lore.kernel.org/r/Zn8HeRRX3JV2IcxQ@sirena.org.uk
   - https://lore.kernel.org/r/20240709100536.238f4d12@canb.auug.org.au
 
 * Use pkg-config to check libtraceevent and libtracefs.
 
 perf sched
 ----------
 * Add --task-name and --fuzzy-name options for `perf sched map`.  It's
   to focus on selected tasks only by removing unrelated tasks in the
   output.  It matches the task comm with the given string and the
   --fuzzy-name option allows the partial matching.
 
     $ sudo perf sched record -a sleep 1
 
     $ sudo perf sched map --task-name kworker --fuzzy-name
        .   .   .   .   -  *A0  .   .    481065.315131 secs A0 => kworker/5:2-i91:438521
        .   .   .   .   -  *-   .   .    481065.315160 secs
       *B0  .   .   .   -   .   .   .    481065.316435 secs B0 => kworker/0:0-i91:437860
       *-   .   .   .   .   .   .   .    481065.316441 secs
        .   .   .   .   .  *A0  .   .    481065.318703 secs
        .   .   .   .   .  *-   .   .    481065.318717 secs
        .   .  *C0  .   .   .   .   .    481065.320544 secs C0 => kworker/u16:30-:430186
        .   .  *-   .   .   .   .   .    481065.320555 secs
        .   .  *D0  .   .   .   .   .    481065.328524 secs D0 => kworker/2:0-kdm:429654
       *B0  .   D0  .   -   .   .   .    481065.328527 secs
       *-   .   D0  .   -   .   .   .    481065.328535 secs
        .   .  *-   .   .   .   .   .    481065.328535 secs
 
 * Fix -r/--repeat option of perf sched replay.  The documentation said
   -1 will work as infinity but it didn't accept the value.  Update the
   code and document to use 0 instead.
 
 * Fix perf sched timehist to account the delay time for preempted tasks.
 
 Perf event filtering
 --------------------
 * perf top gained filtering support on regular events using BPF like
   perf record.  Previously it was able to use it for tracepoints only.
 
 * The BPF filter now supports filtering by UID/GID.  This should be
   preferred than -u <UID> option as it's racy to scan /proc to check
   tasks for the user and fails to open an event for the task if it's
   already gone.
 
     $ sudo perf top -e cycles --filter "uid == $(id -u)"
 
 perf report
 -----------
 * Skip dummy events in the group output by default.  The --skip-empty
   option controls display of empty events without samples.  But perf
   report can force display all events in a group.  In this case, auto-
   added a dummy event (for a system-wide record) ends up in the output.
   Now it can skip those empty events even in the group display mode.
   To preserve the old behavior, run this:
 
     $ perf report --group --no-skip-empty
 
 perf stat
 ---------
 * Choose the most disaggregate option when multiple aggregation options
   are given.  It used to pick the last option in the command line but
   it can be confusing and not consistent.  Now it'll choose the smallest
   unit.
 
   For example, it'd aggregate the result per-core when the user gave
   both --per-socket and --per-core options at the same time.
 
 Internals
 ---------
 * Fix `perf bench` when some CPUs are offline.
 
 * Fix handling of JIT symbol mappings to accept "/tmp/perf-${PID}.map
   patterns only so that it can not be confused by other /tmp/perf-*
   files.
 
 * Many improvements and fixes for `perf test`.
 
 Others
 ------
 * Support some new instructions for Intel-PT.
 * Fix syscall ID mapping in perf trace.
 * Document AMD IBS PMU usages.
 * Change `perf lock info` to show map and thread info by default.
 
 Vendor JSON events
 ------------------
 * Update Intel events and metrics
 * Add i.MX9[35] DDR metrics
 
 Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-for-v6.11-2024-07-16' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools updates from Namhyung Kim:
 "Build:

   - Build each directory as a library so that depedency check for the
     python extension module can be automatic

   - Use pkg-config to check libtraceevent and libtracefs

  perf sched:

   - Add --task-name and --fuzzy-name options for `perf sched map`

     It focuses on selected tasks only by removing unrelated tasks in
     the output. It matches the task comm with the given string and the
     --fuzzy-name option allows the partial matching:

       $ sudo perf sched record -a sleep 1

       $ sudo perf sched map --task-name kworker --fuzzy-name
          .   .   .   .   -  *A0  .   .    481065.315131 secs A0 => kworker/5:2-i91:438521
          .   .   .   .   -  *-   .   .    481065.315160 secs
         *B0  .   .   .   -   .   .   .    481065.316435 secs B0 => kworker/0:0-i91:437860
         *-   .   .   .   .   .   .   .    481065.316441 secs
          .   .   .   .   .  *A0  .   .    481065.318703 secs
          .   .   .   .   .  *-   .   .    481065.318717 secs
          .   .  *C0  .   .   .   .   .    481065.320544 secs C0 => kworker/u16:30-:430186
          .   .  *-   .   .   .   .   .    481065.320555 secs
          .   .  *D0  .   .   .   .   .    481065.328524 secs D0 => kworker/2:0-kdm:429654
         *B0  .   D0  .   -   .   .   .    481065.328527 secs
         *-   .   D0  .   -   .   .   .    481065.328535 secs
          .   .  *-   .   .   .   .   .    481065.328535 secs

   - Fix -r/--repeat option of perf sched replay

     The documentation said -1 will work as infinity but it didn't
     accept the value. Update the code and document to use 0 instead

   - Fix perf sched timehist to account the delay time for preempted
     tasks

  Perf event filtering:

   - perf top gained filtering support on regular events using BPF like
     perf record. Previously it was able to use it for tracepoints only

   - The BPF filter now supports filtering by UID/GID. This should be
     preferred than -u <UID> option as it's racy to scan /proc to check
     tasks for the user and fails to open an event for the task if it's
     already gone

       $ sudo perf top -e cycles --filter "uid == $(id -u)"

  perf report:

   - Skip dummy events in the group output by default. The --skip-empty
     option controls display of empty events without samples. But perf
     report can force display all events in a group

     In this case, auto-added a dummy event (for a system-wide record)
     ends up in the output. Now it can skip those empty events even in
     the group display mode

     To preserve the old behavior, run this:

       $ perf report --group --no-skip-empty

  perf stat:

   - Choose the most disaggregate option when multiple aggregation
     options are given. It used to pick the last option in the command
     line but it can be confusing and not consistent. Now it'll choose
     the smallest unit

     For example, it'd aggregate the result per-core when the user gave
     both --per-socket and --per-core options at the same time

  Internals:

   - Fix `perf bench` when some CPUs are offline

   - Fix handling of JIT symbol mappings to accept "/tmp/perf-${PID}.map
     patterns only so that it can not be confused by other /tmp/perf-*
     files

   - Many improvements and fixes for `perf test`

  Others:

   - Support some new instructions for Intel-PT

   - Fix syscall ID mapping in perf trace

   - Document AMD IBS PMU usages

   - Change `perf lock info` to show map and thread info by default

  Vendor JSON events:

   - Update Intel events and metrics

   - Add i.MX9[35] DDR metrics"

* tag 'perf-tools-for-v6.11-2024-07-16' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (125 commits)
  perf trace: Fix iteration of syscall ids in syscalltbl->entries
  perf dso: Fix address sanitizer build
  perf mem: Warn if memory events are not supported on all CPUs
  perf arm-spe: Support multiple Arm SPE PMUs
  perf build x86: Fix SC2034 error in syscalltbl.sh
  perf record: Fix memset out-of-range error
  perf sched map: Add --fuzzy-name option for fuzzy matching in task names
  perf sched map: Add support for multiple task names using CSV
  perf sched map: Add task-name option to filter the output map
  perf build: Conditionally add feature check flags for libtrace{event,fs}
  perf install: Don't propagate subdir to Documentation submake
  perf vendor events arm64:: Add i.MX95 DDR Performance Monitor metrics
  perf vendor events arm64:: Add i.MX93 DDR Performance Monitor metrics
  perf dsos: When adding a dso into sorted dsos maintain the sort order
  perf comm str: Avoid sort during insert
  perf report: Calling available function for stats printing
  perf intel-pt: Fix exclude_guest setting
  perf intel-pt: Fix aux_watermark calculation for 64-bit size
  perf sched replay: Fix -r/--repeat command line option for infinity
  perf: pmus: Remove unneeded semicolon
  ...
2024-07-18 14:16:35 -07:00
Linus Torvalds
f669aac34c tracing: Update of MAINTAINERS and CREDITS file
- Update Daniel Bristot de Oliveira's entry in MAINTAINERS with respect to
   his tracing code.
 
 - Add more credits to him in CREDITS file and move his entry to be
   alphabetical.
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Merge tag 'trace-v6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing CREDITS file update from Steven Rostedt:
 "Update of MAINTAINERS and CREDITS file

   - Update Daniel Bristot de Oliveira's entry in MAINTAINERS with
     respect to his tracing code.

   - Add more credits to him in CREDITS file and move his entry to be
     alphabetical"

* tag 'trace-v6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing: Update MAINTAINERS file
2024-07-18 14:08:42 -07:00