1310747 Commits

Author SHA1 Message Date
Christoph Hellwig
ba102a682d xfs: remove xfs_group_intent_hold and xfs_group_intent_rele
Each of them just has a single caller, so fold them.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:29 -08:00
Christoph Hellwig
759cc1989a xfs: add group based bno conversion helpers
Add/move the blocks, blklog and blkmask fields to the generic groups
structure so that code can work with AGs and RTGs by just using the
right index into the array.

Then, add convenience helpers to convert block numbers based on the
generic group.  This will allow writing code that doesn't care if it is
used on AGs or the upcoming realtime groups.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:29 -08:00
Christoph Hellwig
198febb9fe xfs: store a generic xfs_group pointer in xfs_getfsmap_info
Replace the pag and rtg pointers with a generic group pointer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:29 -08:00
Christoph Hellwig
77a530e6c4 xfs: add a generic group pointer to the btree cursor
Replace the pag pointers in the type specific union with a generic
xfs_group pointer.  This prepares for adding realtime group support.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:29 -08:00
Christoph Hellwig
adbc76aa0f xfs: convert busy extent tracking to the generic group structure
Split busy extent tracking from struct xfs_perag into its own private
structure, which can be pointed to by the generic group structure.

Note that this structure is now dynamically allocated instead of embedded
as the upcoming zone XFS code doesn't need it and will also have an
unusually high number of groups due to hardware constraints.  Dynamically
allocating the structure this is a big memory saver for this case.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:29 -08:00
Christoph Hellwig
0e10cb98f1 xfs: convert extent busy tracepoints to the generic group structure
Prepare for tracking busy RT extents by passing the generic group
structure to the xfs_extent_busy_class tracepoints.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:29 -08:00
Christoph Hellwig
6af1300d47 xfs: return the busy generation from xfs_extent_busy_list_empty
This avoid having to poke into the internals of the busy tracking in
xrep_setup_ag_allocbt.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:28 -08:00
Christoph Hellwig
eb4a84a3c2 xfs: move the online repair rmap hooks to the generic group structure
Prepare for the upcoming realtime groups feature by moving the online
repair rmap hooks to based to the generic xfs_group structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:28 -08:00
Christoph Hellwig
34cf3a6f39 xfs: move draining of deferred operations to the generic group structure
Prepare supporting the upcoming realtime groups feature by moving the
deferred operation draining to the generic xfs_group structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:28 -08:00
Christoph Hellwig
2ed27a5464 xfs: mark xfs_perag_intent_{hold,rele} static
These two functions are only used inside of xfs_drain.c, so mark them
static.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:28 -08:00
Christoph Hellwig
5c8483cec3 xfs: move metadata health tracking to the generic group structure
Prepare for also tracking the health status of the upcoming realtime
groups by moving the health tracking code to the generic xfs_group
structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:28 -08:00
Christoph Hellwig
86437e6abb xfs: switch perag iteration from the for_each macros to a while based iterator
The current for_each_perag* macros are a bit annoying in that they
require the caller to both provide an object and an index iterator, and
also somewhat obsfucate the underlying control flow mechanism.

Switch to open coded while loops using new xfs_perag_next{,_from,_range}
helpers that return the next pag structure to iterate on based on the
previous one or NULL for the loop start.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:28 -08:00
Christoph Hellwig
819928770b xfs: add a xfs_group_next_range helper
Add a helper to iterate over iterate over all groups, which can be used
as a simple while loop:

	struct xfs_group		*xg = NULL;

	while ((xg = xfs_group_next_range(mp, xg, 0, MAX_GROUP))) {
		...
	}

This will be wrapped by the realtime group code first, and eventually
replace the for_each_rtgroup_from and for_each_rtgroup_range helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:27 -08:00
Christoph Hellwig
e9c4d8bfb2 xfs: factor out a generic xfs_group structure
Split the lookup and refcount handling of struct xfs_perag into an
embedded xfs_group structure that can be reused for the upcoming
realtime groups.

It will be extended with more features later.

Note that he xg_type field will only need a single bit even with
realtime group support.  For now it fills a hole, but it might be
worth to fold it into another field if we can use this space better.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:27 -08:00
Christoph Hellwig
0a4d79741d xfs: factor out a xfs_iwalk_args helper
Add a helper to share more code between xfs_iwalk and xfs_inobt_walk,
and at the same time do away with the extra flags indirect so that
everyone use the same names for the same flags when using the common
iwalk code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:27 -08:00
Christoph Hellwig
d66496578b xfs: insert the pag structures into the xarray later
Cleaning up is much easier if a structure can't be looked up yet, so only
insert the pag once it is fully set up.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:27 -08:00
Christoph Hellwig
201c5fa342 xfs: split xfs_initialize_perag
Factor out a xfs_perag_alloc helper that allocates a single perag
structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:27 -08:00
Christoph Hellwig
c4ae021bcb xfs: convert remaining trace points to pass pag structures
Convert all tracepoints that take [mp,agno] tuples to take a pag argument
instead so that decoding only happens when tracepoints are enabled and to
clean up the callers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:27 -08:00
Christoph Hellwig
dc8df7e382 xfs: pass the pag to the xrep_newbt_extent_class tracepoints
This requires moving a few of the callsites a little bit to ensure that
we already have the reference, but allows for the decoding to only happen
when tracing is actually enabled, and cleans up the callsites a bit.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:26 -08:00
Christoph Hellwig
934dde65b2 xfs: pass the pag to the trace_xrep_calc_ag_resblks{,_btsize} trace points
This requires holding the pag refcount a little longer, but allows for the
decoding to only happen when tracing is actually enabled, and cleans up the
callsites a bit.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:26 -08:00
Christoph Hellwig
618a27a94d xfs: pass objects to the xrep_ibt_walk_rmap tracepoint
Pass the perag structure and the irec so that the decoding is only done
when tracing is actually enabled and the call sites look a lot neater,
and remove the pointless class indirection.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:26 -08:00
Christoph Hellwig
1209d360eb xfs: pass the iunlink item to the xfs_iunlink_update_dinode trace point
So that decoding is only done when tracing is actually enabled and the
call site look a lot neater.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:26 -08:00
Christoph Hellwig
487092ceaa xfs: pass objects to the xfs_irec_merge_{pre,post} trace points
Pass the perag structure and the irec to these tracepoints so that the
decoding is only done when tracing is actually enabled and the call sites
look a lot neater.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:26 -08:00
Christoph Hellwig
835ddb592f xfs: pass a perag structure to the xfs_ag_resv_init_error trace point
And remove the single instance class indirection for it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:26 -08:00
Christoph Hellwig
2337ac79e9 xfs: constify pag arguments to trace points
Trace points never modify their arguments.  Mark all the pag objects
passed to trace points.  The exception is the xfs_ag_resv_class, which
uses the xfs_perag_resv helper that can't be marked const due to
other users modifying the returned structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:25 -08:00
Christoph Hellwig
3c39444939 xfs: remove the unused xrep_bmap_walk_rmap trace point
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:25 -08:00
Christoph Hellwig
c896fb44f6 xfs: remove the unused trace_xfs_iwalk_ag trace point
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:25 -08:00
Christoph Hellwig
8dcf5e617f xfs: remove the mount field from struct xfs_busy_extents
The mount field is only passed to xfs_extent_busy_clear, which never uses
it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:25 -08:00
Christoph Hellwig
4a137e0915 xfs: keep a reference to the pag for busy extents
Processing of busy extents requires the perag structure, so keep the
reference while they are in flight.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:25 -08:00
Christoph Hellwig
b6dc8c6dd2 xfs: pass a pag to xfs_extent_busy_{search,reuse}
Replace the [mp,agno] tuple with the perag structure, which will become
more useful later.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:25 -08:00
Christoph Hellwig
6abd82ab6e xfs: add a xfs_agino_to_ino helper
Add a helpers to convert an agino to an ino based on a pag structure.

This provides a simpler conversion and better type safety compared to the
existing code that passes the mount structure and the agno separately.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:24 -08:00
Christoph Hellwig
856a920ac2 xfs: add xfs_agbno_to_fsb and xfs_agbno_to_daddr helpers
Add helpers to convert an agbno to a daddr or fsbno based on a pag
structure.

This provides a simpler conversion and better type safety compared to the
existing code that passes the mount structure and the agno separately.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:24 -08:00
Christoph Hellwig
db129fa011 xfs: remove the agno argument to xfs_free_ag_extent
xfs_free_ag_extent already has a pointer to the pag structure through
the agf buffer.  Use that instead of passing the redundant argument,
and do the same for the tracepoint.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:24 -08:00
Christoph Hellwig
67ce5ba575 xfs: pass a pag to xfs_difree_inode_chunk
We'll want to use more than just the agno field in a bit.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:24 -08:00
Christoph Hellwig
9943b45732 xfs: remove the unused pag_active_wq field in struct xfs_perag
pag_active_wq is only woken, but never waited for.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:24 -08:00
Christoph Hellwig
4e071d79e4 xfs: remove the unused pagb_count field in struct xfs_perag
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:23 -08:00
Christoph Hellwig
cd8ae42a82 xfs: fix superfluous clearing of info->low in __xfs_getfsmap_datadev
The for_each_perag helpers update the agno passed in for each iteration,
and thus the "if (pag->pag_agno == start_ag)" check will always be true.

Add another variable for the loop iterator so that the field is only
cleared after the first iteration.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:23 -08:00
Darrick J. Wong
62027820eb xfs: fix simplify extent lookup in xfs_can_free_eofblocks
In commit 11f4c3a53adde, we tried to simplify the extent lookup in
xfs_can_free_eofblocks so that it doesn't incur the overhead of all the
extra stuff that xfs_bmapi_read does around the iext lookup.

Unfortunately, this causes regressions on generic/603, xfs/108,
generic/219, xfs/173, generic/694, xfs/052, generic/230, and xfs/441
when always_cow is turned on.  In all cases, the regressions take the
form of alwayscow files consuming rather more space than the golden
output is expecting.  I observed that in all these cases, the cause of
the excess space usage was due to CoW fork delalloc reservations that go
beyond EOF.

For alwayscow files we allow posteof delalloc CoW reservations because
all writes go through the CoW fork.  Recall that all extents in the CoW
fork are accounted for via i_delayed_blks, which means that prior to
this patch, we'd invoke xfs_free_eofblocks on first close if anything
was in the CoW fork.  Now we don't do that.

Fix the problem by reverting the removal of the i_delayed_blks check.

Cc: <stable@vger.kernel.org> # v6.12-rc1
Fixes: 11f4c3a53adde ("xfs: simplify extent lookup in xfs_can_free_eofblocks")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2024-11-05 13:38:23 -08:00
Linus Torvalds
59b723cd2a Linux 6.12-rc6 v6.12-rc6 2024-11-03 14:05:52 -10:00
Linus Torvalds
a8cc743272 17 hotfixes. 9 are cc:stable. 13 are MM and 4 are non-MM.
The usual collection of singletons - please see the changelogs.
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Merge tag 'mm-hotfixes-stable-2024-11-03-10-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "17 hotfixes.  9 are cc:stable.  13 are MM and 4 are non-MM.

  The usual collection of singletons - please see the changelogs"

* tag 'mm-hotfixes-stable-2024-11-03-10-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm: multi-gen LRU: use {ptep,pmdp}_clear_young_notify()
  mm: multi-gen LRU: remove MM_LEAF_OLD and MM_NONLEAF_TOTAL stats
  mm, mmap: limit THP alignment of anonymous mappings to PMD-aligned sizes
  mm: shrinker: avoid memleak in alloc_shrinker_info
  .mailmap: update e-mail address for Eugen Hristev
  vmscan,migrate: fix page count imbalance on node stats when demoting pages
  mailmap: update Jarkko's email addresses
  mm: allow set/clear page_type again
  nilfs2: fix potential deadlock with newly created symlinks
  Squashfs: fix variable overflow in squashfs_readpage_block
  kasan: remove vmalloc_percpu test
  tools/mm: -Werror fixes in page-types/slabinfo
  mm, swap: avoid over reclaim of full clusters
  mm: fix PSWPIN counter for large folios swap-in
  mm: avoid VM_BUG_ON when try to map an anon large folio to zero page.
  mm/codetag: fix null pointer check logic for ref and tag
  mm/gup: stop leaking pinned pages in low memory conditions
2024-11-03 10:25:05 -10:00
Linus Torvalds
d5aaa0bc6d phy fixes for 6.12
- Bunch of Qualcomm QMP driver fixes for null deref on suspend, bogus
    supplies fix and reset entries fix
  - BCM usb driver init array fix
  - cadence array offset fix
  - starfive link configuration fix
  - config dependency fix for rockchip driver
  - freescale reset signal fix before pll lock
  - tegra driver fix for error pointer check
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Merge tag 'phy-fixes-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

Pull phy fixes from Vinod Koul:

 - Qualcomm QMP driver fixes for null deref on suspend, bogus supplies
   fix and reset entries fix

 - BCM usb driver init array fix

 - cadence array offset fix

 - starfive link configuration fix

 - config dependency fix for rockchip driver

 - freescale reset signal fix before pll lock

 - tegra driver fix for error pointer check

* tag 'phy-fixes-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
  phy: tegra: xusb: Add error pointer check in xusb.c
  dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Fix X1E80100 resets entries
  phy: freescale: imx8m-pcie: Do CMN_RST just before PHY PLL lock check
  phy: phy-rockchip-samsung-hdptx: Depend on CONFIG_COMMON_CLK
  phy: ti: phy-j721e-wiz: fix usxgmii configuration
  phy: starfive: jh7110-usb: Fix link configuration to controller
  phy: qcom: qmp-pcie: drop bogus x1e80100 qref supplies
  phy: qcom: qmp-combo: move driver data initialisation earlier
  phy: qcom: qmp-usbc: fix NULL-deref on runtime suspend
  phy: qcom: qmp-usb-legacy: fix NULL-deref on runtime suspend
  phy: qcom: qmp-usb: fix NULL-deref on runtime suspend
  dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: add missing x1e80100 pipediv2 clocks
  phy: usb: disable COMMONONN for dual mode
  phy: cadence: Sierra: Fix offset of DEQ open eye algorithm control register
  phy: usb: Fix missing elements in BCM4908 USB init array
2024-11-03 10:19:34 -10:00
Linus Torvalds
e8529dcb12 dmaengine fixes for v6.12
Driver fixes for:
  - TI driver fix to set EOP for cyclic BCDMA transfers
  - sh rz-dmac driver fix for handling config with zero address
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Merge tag 'dmaengine-fix-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine fixes from Vinod Koul:

 - TI driver fix to set EOP for cyclic BCDMA transfers

 - sh rz-dmac driver fix for handling config with zero address

* tag 'dmaengine-fix-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
  dmaengine: ti: k3-udma: Set EOP for all TRs in cyclic BCDMA transfer
  dmaengine: sh: rz-dmac: handle configs where one address is zero
2024-11-03 10:15:50 -10:00
Linus Torvalds
886b7e80ab Driver core revert fix for 6.12-rc6
Here is a single driver core revert for 6.12-rc6.  It reverts a change
 that came in -rc1 that was supposed to resolve a reported problem, but
 caused another one, so revert it for now so that we can get this all
 worked out properly in 6.13.
 
 The revert has been in linux-next all week with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core revert from Greg KH:
 "Here is a single driver core revert for 6.12-rc6. It reverts a change
  that came in -rc1 that was supposed to resolve a reported problem, but
  caused another one, so revert it for now so that we can get this all
  worked out properly in 6.13.

  The revert has been in linux-next all week with no reported issues"

* tag 'driver-core-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  Revert "driver core: Fix uevent_show() vs driver detach race"
2024-11-03 08:51:53 -10:00
Linus Torvalds
be5bfa1378 USB / Thunderbolt fixes for 6.12-rc6
Here are some small USB and Thunderbolt driver fixes for 6.12-rc6 that
 have been sitting in my tree this week.  Included in here are the
 following:
   - thunderbolt driver fixes for reported issues
   - USB typec driver fixes
   - xhci driver fixes for reported problems
   - dwc2 driver revert for a broken change
   - usb phy driver fix
   - usbip tool fix
 
 All of these have been in linux-next this week with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt fixes from Greg KH:
 "Here are some small USB and Thunderbolt driver fixes for 6.12-rc6 that
  have been sitting in my tree this week. Included in here are the
  following:

   - thunderbolt driver fixes for reported issues

   - USB typec driver fixes

   - xhci driver fixes for reported problems

   - dwc2 driver revert for a broken change

   - usb phy driver fix

   - usbip tool fix

  All of these have been in linux-next this week with no reported
  issues"

* tag 'usb-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: typec: tcpm: restrict SNK_WAIT_CAPABILITIES_TIMEOUT transitions to non self-powered devices
  usb: phy: Fix API devm_usb_put_phy() can not release the phy
  usb: typec: use cleanup facility for 'altmodes_node'
  usb: typec: fix unreleased fwnode_handle in typec_port_register_altmodes()
  usb: typec: qcom-pmic-typec: fix missing fwnode removal in error path
  usb: typec: qcom-pmic-typec: use fwnode_handle_put() to release fwnodes
  usb: acpi: fix boot hang due to early incorrect 'tunneled' USB3 device links
  Revert "usb: dwc2: Skip clock gating on Broadcom SoCs"
  xhci: Fix Link TRB DMA in command ring stopped completion event
  xhci: Use pm_runtime_get to prevent RPM on unsupported systems
  usbip: tools: Fix detach_port() invalid port error path
  thunderbolt: Honor TMU requirements in the domain when setting TMU mode
  thunderbolt: Fix KASAN reported stack out-of-bounds read in tb_retimer_scan()
2024-11-03 08:48:11 -10:00
Yu Zhao
1d4832becd mm: multi-gen LRU: use {ptep,pmdp}_clear_young_notify()
When the MM_WALK capability is enabled, memory that is mostly accessed by
a VM appears younger than it really is, therefore this memory will be less
likely to be evicted.  Therefore, the presence of a running VM can
significantly increase swap-outs for non-VM memory, regressing the
performance for the rest of the system.

Fix this regression by always calling {ptep,pmdp}_clear_young_notify()
whenever we clear the young bits on PMDs/PTEs.

[jthoughton@google.com: fix link-time error]
Link: https://lkml.kernel.org/r/20241019012940.3656292-3-jthoughton@google.com
Fixes: bd74fdaea146 ("mm: multi-gen LRU: support page table walks")
Signed-off-by: Yu Zhao <yuzhao@google.com>
Signed-off-by: James Houghton <jthoughton@google.com>
Reported-by: David Stevens <stevensd@google.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Matlack <dmatlack@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Wei Xu <weixugc@google.com>
Cc: <stable@vger.kernel.org>
Cc: kernel test robot <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-11-03 10:47:03 -08:00
Yu Zhao
ddd6d8e975 mm: multi-gen LRU: remove MM_LEAF_OLD and MM_NONLEAF_TOTAL stats
Patch series "mm: multi-gen LRU: Have secondary MMUs participate in
MM_WALK".

Today, the MM_WALK capability causes MGLRU to clear the young bit from
PMDs and PTEs during the page table walk before eviction, but MGLRU does
not call the clear_young() MMU notifier in this case.  By not calling this
notifier, the MM walk takes less time/CPU, but it causes pages that are
accessed mostly through KVM / secondary MMUs to appear younger than they
should be.

We do call the clear_young() notifier today, but only when attempting to
evict the page, so we end up clearing young/accessed information less
frequently for secondary MMUs than for mm PTEs, and therefore they appear
younger and are less likely to be evicted.  Therefore, memory that is
*not* being accessed mostly by KVM will be evicted *more* frequently,
worsening performance.

ChromeOS observed a tab-open latency regression when enabling MGLRU with a
setup that involved running a VM:

		Tab-open latency histogram (ms)
Version		p50	mean	p95	p99	max
base		1315	1198	2347	3454	10319
mglru		2559	1311	7399	12060	43758
fix		1119	926	2470	4211	6947

This series replaces the final non-selftest patchs from this series[1],
which introduced a similar change (and a new MMU notifier) with KVM
optimizations.  I'll send a separate series (to Sean and Paolo) for the
KVM optimizations.

This series also makes proactive reclaim with MGLRU possible for KVM
memory.  I have verified that this functions correctly with the selftest
from [1], but given that that test is a KVM selftest, I'll send it with
the rest of the KVM optimizations later.  Andrew, let me know if you'd
like to take the test now anyway.

[1]: https://lore.kernel.org/linux-mm/20240926013506.860253-18-jthoughton@google.com/


This patch (of 2):

The removed stats, MM_LEAF_OLD and MM_NONLEAF_TOTAL, are not very helpful
and become more complicated to properly compute when adding
test/clear_young() notifiers in MGLRU's mm walk.

Link: https://lkml.kernel.org/r/20241019012940.3656292-1-jthoughton@google.com
Link: https://lkml.kernel.org/r/20241019012940.3656292-2-jthoughton@google.com
Fixes: bd74fdaea146 ("mm: multi-gen LRU: support page table walks")
Signed-off-by: Yu Zhao <yuzhao@google.com>
Signed-off-by: James Houghton <jthoughton@google.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Matlack <dmatlack@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: David Stevens <stevensd@google.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Wei Xu <weixugc@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-11-03 10:47:02 -08:00
Linus Torvalds
32cfb3c48e Char/Misc/IIO driver fixes for 6.12-rc6
Here are some small char/misc/iio fixes for 6.12-rc6 that resolves some
 reported issues.  Included in here are the following:
   - small IIO driver fixes for many reported issues
   - mei driver fix for a suddenly much reported issue for an "old"
     issue.
   - MAINTAINERS update for a developer who has moved companies and
     forgot to update their old entry.
 
 All of these have been in linux-next this week with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull misc driver fixes from Greg KH:
 "Here are some small char/misc/iio fixes for 6.12-rc6 that resolve
  some reported issues. Included in here are the following:

   - small IIO driver fixes for many reported issues

   - mei driver fix for a suddenly much reported issue for an "old"
     issue.

   - MAINTAINERS update for a developer who has moved companies and
     forgot to update their old entry.

  All of these have been in linux-next this week with no reported
  issues"

* tag 'char-misc-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  mei: use kvmalloc for read buffer
  MAINTAINERS: add netup_unidvb maintainer
  iio: dac: Kconfig: Fix build error for ltc2664
  iio: adc: ad7124: fix division by zero in ad7124_set_channel_odr()
  staging: iio: frequency: ad9832: fix division by zero in ad9832_calc_freqreg()
  docs: iio: ad7380: fix supply for ad7380-4
  iio: adc: ad7380: fix supplies for ad7380-4
  iio: adc: ad7380: add missing supplies
  iio: adc: ad7380: use devm_regulator_get_enable_read_voltage()
  dt-bindings: iio: adc: ad7380: fix ad7380-4 reference supply
  iio: light: veml6030: fix microlux value calculation
  iio: gts-helper: Fix memory leaks for the error path of iio_gts_build_avail_scale_table()
  iio: gts-helper: Fix memory leaks in iio_gts_build_avail_scale_table()
2024-11-03 08:45:03 -10:00
Linus Torvalds
295ba6501d Input updates for v6.12-rc5
- a fix for regression in input core introduced in 6.11 preventing
   re-registering input handlers
 
 - a fix for adp5588-keys driver tyring to disable interrupt 0 at suspend
   when devices is used without interrupt
 
 - a fix for edt-ft5x06 to stop leaking regmap structure when probing
   fails and to make sure it is not released too early on removal.
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Merge tag 'input-for-v6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input fixes from Dmitry Torokhov:

 - a fix for regression in input core introduced in 6.11 preventing
   re-registering input handlers

 - a fix for adp5588-keys driver tyring to disable interrupt 0 at
   suspend when devices is used without interrupt

 - a fix for edt-ft5x06 to stop leaking regmap structure when probing
   fails and to make sure it is not released too early on removal.

* tag 'input-for-v6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: fix regression when re-registering input handlers
  Input: adp5588-keys - do not try to disable interrupt 0
  Input: edt-ft5x06 - fix regmap leak when probe fails
2024-11-03 08:35:29 -10:00
Linus Torvalds
a33ab3f94f Kbuild fixes for v6.12 (2nd)
- Fix a memory leak in modpost
 
  - Resolve build issues when cross-compiling RPM and Debian packages
 
  - Fix another regression in Kconfig
 
  - Fix incorrect MODULE_ALIAS() output in modpost
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Merge tag 'kbuild-fixes-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix a memory leak in modpost

 - Resolve build issues when cross-compiling RPM and Debian packages

 - Fix another regression in Kconfig

 - Fix incorrect MODULE_ALIAS() output in modpost

* tag 'kbuild-fixes-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  modpost: fix input MODULE_DEVICE_TABLE() built for 64-bit on 32-bit host
  modpost: fix acpi MODULE_DEVICE_TABLE built with mismatched endianness
  kconfig: show sub-menu entries even if the prompt is hidden
  kbuild: deb-pkg: add pkg.linux-upstream.nokerneldbg build profile
  kbuild: deb-pkg: add pkg.linux-upstream.nokernelheaders build profile
  kbuild: rpm-pkg: disable kernel-devel package when cross-compiling
  sumversion: Fix a memory leak in get_src_version()
2024-11-03 08:29:02 -10:00
Linus Torvalds
b9021de3ec A trivial compile test fix for x86
When CONFIG_AMD_NB is not set a COMPILE_TEST of an AMD specific driver
   fails due to a missing inline stub. Add the stub to cure it.
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Merge tag 'x86-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Thomas Gleixner:
 "A trivial compile test fix for x86:

  When CONFIG_AMD_NB is not set a COMPILE_TEST of an AMD specific driver
  fails due to a missing inline stub. Add the stub to cure it"

* tag 'x86-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/amd_nb: Fix compile-testing without CONFIG_AMD_NB
2024-11-03 08:26:00 -10:00