Commit Graph

1110087 Commits

Author SHA1 Message Date
Matthew Wilcox (Oracle)
3648951ceb aio: Convert to migrate_folio
Use a folio throughout this function.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
1d5b9bd656 f2fs: Convert to filemap_migrate_folio()
filemap_migrate_folio() fits f2fs's needs perfectly.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Chao Yu <chao@kernel.org>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
e7b15bae55 ubifs: Convert to filemap_migrate_folio()
filemap_migrate_folio() is a little more general than ubifs really needs,
but it's better to share the code.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
e7a60a1787 btrfs: Convert btrfs_migratepage to migrate_folio
Use filemap_migrate_folio() to do the bulk of the work, and then copy
the ordered flag across if needed.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: David Sterba <dsterba@suse.com>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
2ec810d596 mm/migrate: Add filemap_migrate_folio()
There is nothing iomap-specific about iomap_migratepage(), and it fits
a pattern used by several other filesystems, so move it to mm/migrate.c,
convert it to be filemap_migrate_folio() and convert the iomap filesystems
to use it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
541846502f mm/migrate: Convert migrate_page() to migrate_folio()
Convert all callers to pass a folio.  Most have the folio
already available.  Switch all users from aops->migratepage to
aops->migrate_folio.  Also turn the documentation into kerneldoc.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: David Sterba <dsterba@suse.com>
2022-08-02 12:34:04 -04:00
Matthew Wilcox (Oracle)
4ae84a8047 nfs: Convert to migrate_folio
Use a folio throughout this function.  migrate_page() will be converted
later.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
8958b55142 btrfs: Convert btree_migratepage to migrate_folio
Use a folio throughout this function.  migrate_page() will be converted
later.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: David Sterba <dsterba@suse.com>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
108ca83581 mm/migrate: Convert expected_page_refs() to folio_expected_refs()
Now that both callers have a folio, convert this function to
take a folio & rename it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
67235182a4 mm/migrate: Convert buffer_migrate_page() to buffer_migrate_folio()
Use a folio throughout __buffer_migrate_folio(), add kernel-doc for
buffer_migrate_folio() and buffer_migrate_folio_norefs(), move their
declarations to buffer.h and switch all filesystems that have wired
them up.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
2be7fa10c0 mm/migrate: Convert writeout() to take a folio
Use a folio throughout this function.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
8faa8ef5dd mm/migrate: Convert fallback_migrate_page() to fallback_migrate_folio()
Use a folio throughout.  migrate_page() will be converted to
migrate_folio() later.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
5490da4f06 fs: Add aops->migrate_folio
Provide a folio-based replacement for aops->migratepage.  Update the
documentation to document migrate_folio instead of migratepage.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
68f2736a85 mm: Convert all PageMovable users to movable_operations
These drivers are rather uncomfortably hammered into the
address_space_operations hole.  They aren't filesystems and don't behave
like filesystems.  They just need their own movable_operations structure,
which we can point to directly from page->mapping.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
81218f80a7 secretmem: Remove isolate_page
The isolate_page operation is never called for filesystems, only
for device drivers which call SetPageMovable.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
37ce0b319b ext2: Use a folio in ext2_get_page()
Remove a call to read_mapping_page().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
240159077d gfs2: Convert gfs2_jhead_process_page() to use a folio
Use folio_put_refs() to perform only one atomic operation instead of two.
The other changes are straightforward conversions from page APIs to
their folio equivalents.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
9bb88987bc ocfs2: Convert ocfs2_read_folio() to use a folio
Use the folio API throughout.  There are a few places where we convert
back to a page to call into the rest of the filesystem, so folio usage
needs to be pushed down to those functions later.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
36a43502e1 freevxfs: Convert vxfs_immed_read_folio() to use a folio
Reorganise the file to remove the forward declaration.
Use folios throughout vxfs_immed_read_folio().
Use memcpy_to_page() instead of an open-coded kmap()/kunmap().
Remove flush_dcache_page() as this is embedded in memcpy_to_page().
Use folio_pos() instead of opencoding it.
Handle multi-page folios.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
9a0a953323 coda: Convert coda_symlink_filler() to use a folio
This is a straightforward conversion from the page APIs to the folio
APIs.  Symlinks are not allowed to be larger than PAGE_SIZE, so there
is little work to do here.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
ac09d88b9f befs: Convert befs_symlink_read_folio() to use a folio
This is a straightforward conversion from the page APIs to the folio
APIs.  Symlinks are not allowed to be larger than PAGE_SIZE, so there
is little work to do here.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
4fdc08d418 block: Convert read_part_sector() to use a folio
This relatively straightforward converion saves a call to compound_head()
hidden inside put_page().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
069fc464f1 block: Use PAGE_SECTORS_SHIFT
The bare use of '9' confuses some people.  We also don't need this cast,
since the compiler does exactly that cast for us.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
98d8ba69ff block: Handle partition read errors more consistently
Set p->v to NULL if we try to read beyond the end of the disk, just like
we do if we get an error returned from trying to read the disk.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
8b5d143c95 block: Simplify read_part_sector()
That rather complicated expression is just trying to find the offset
of this sector within a page, and there are easier ways to express that.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:03 -04:00
Matthew Wilcox (Oracle)
cf948cbc35 cramfs: read_mapping_page() is synchronous
Since commit 67f9fd91f9, the code to wait for the read to complete has
been dead.  That commit wrongly stated that the read was synchronous
already; this seems to have been a confusion about which ->readpage
operation was being called.  Instead of reintroducing an asynchronous
version of read_mapping_page(), call the readahead code directly to
submit all reads first before waiting for them in read_mapping_page().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:02 -04:00
Matthew Wilcox (Oracle)
97a3a383c4 ocfs2: Use filemap_write_and_wait_range() in ocfs2_cow_sync_writeback()
Remove the open-coding of filemap_fdatawait_range().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:02 -04:00
Matthew Wilcox (Oracle)
e775dfb33d hostfs: Handle page write errors correctly
If a page can't be written back, we need to call mapping_set_error(),
not clear the page's Uptodate flag.  Also remove the clearing of PageError
on success; that flag is used for read errors, not write errors.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:02 -04:00
Matthew Wilcox (Oracle)
31e748e4b1 squashfs: Return the actual error from squashfs_read_folio()
Since we actually know what error happened, we can report it instead
of having the generic code return -EIO for pages that were unlocked
without being marked uptodate.  Also remove a test of PageError since
we have the return value at this point.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:02 -04:00
Matthew Wilcox (Oracle)
b7a6eb22ba buffer: Don't test folio error in block_read_full_folio()
We can cache this information in a local variable instead of communicating
from one part of the function to another via folio flags.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-08-02 12:34:02 -04:00
Linus Torvalds
7d0d3fa733 ARM: boardfile deprecation for 6.0
Over the past ten years, new machine support was based on device tree,
 and an initial set of about 400 boards using ATAGS with boardfile
 for booting were grandfathered in, with about half of them either
 removed or converted to DT over time.
 
 Based on the recent mailing list discussion I started, I have now
 turned the findings into a set of patches that marks most board files as
 'depends on UNUSED_BOARD_FILES', leaving only 38 of the 196 boards.
 
 For the boards that are marked as unused, there are two final chances
 for potential users: The removal is scheduled to take place after the
 longterm stable kernel at the end of 2022, so users can stay on that
 version for another few years, and if anyone still has one of these
 machines and is planning to keep updating kernels beyond that version,
 they can speak up now to have their boards taken off the list again.
 
 Waiting for the LTS release also makes sure that there will be at
 least one longterm kernel that contains the recent multiplatform
 conversion along while still supporting all legacy boards.
 
 The short summary of the current status is:
 
  - The s3c24xx, cns3xxx, iop32x and mv78xx0 platforms have no known
    users and will be removed entirely.
 
  - The mmp and davinci platforms have DT support for the important
    machines and will become DT-only after this.
 
  - s3c64xx, dove, orion5x, and pxa keep some board files to allow
    those to be migrated over to DT more easily, but most board files
    are getting removed now. DT support on these platforms is partially
    working but requires changes to additional drivers for the other
    boards.
 
  - omap1, ep93xx, sa1100, footbridge and rpc have no DT support at
    the moment but have some boards with known users. Removing the board
    files that nobody uses should make it easier to try a DT conversion
    if anyone cares.
 
 There is no explicit timeline what happens with the boards that remain
 after this removal, but I expect to revisit this in the future, and
 with most boards gone, there will be a good time to do a treewide
 review of platform drivers that never gained DT support and have no
 remaining in-tree board files.
 
 Link: https://lore.kernel.org/linux-arm-kernel/CAK8P3a0Z9vGEQbVRBo84bSyPFM-LF+hs5w8ZA51g2Z+NsdtDQA@mail.gmail.com/
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Merge tag 'arm-boardfiles-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM boardfile deprecation from Arnd Bergmann:
 "Over the past ten years, new machine support was based on device tree,
  and an initial set of about 400 boards using ATAGS with boardfile for
  booting were grandfathered in, with about half of them either removed
  or converted to DT over time.

  Based on the recent mailing list discussion I started, I have now
  turned the findings into a set of patches that marks most board files
  as 'depends on UNUSED_BOARD_FILES', leaving only 38 of the 196 boards.

  For the boards that are marked as unused, there are two final chances
  for potential users: The removal is scheduled to take place after the
  longterm stable kernel at the end of 2022, so users can stay on that
  version for another few years, and if anyone still has one of these
  machines and is planning to keep updating kernels beyond that version,
  they can speak up now to have their boards taken off the list again.

  Waiting for the LTS release also makes sure that there will be at
  least one longterm kernel that contains the recent multiplatform
  conversion along while still supporting all legacy boards.

  The short summary of the current status is:

   - The s3c24xx, cns3xxx, iop32x and mv78xx0 platforms have no known
     users and will be removed entirely.

   - The mmp and davinci platforms have DT support for the important
     machines and will become DT-only after this.

   - s3c64xx, dove, orion5x, and pxa keep some board files to allow
     those to be migrated over to DT more easily, but most board files
     are getting removed now. DT support on these platforms is partially
     working but requires changes to additional drivers for the other
     boards.

   - omap1, ep93xx, sa1100, footbridge and rpc have no DT support at the
     moment but have some boards with known users. Removing the board
     files that nobody uses should make it easier to try a DT conversion
     if anyone cares.

  There is no explicit timeline what happens with the boards that remain
  after this removal, but I expect to revisit this in the future, and
  with most boards gone, there will be a good time to do a treewide
  review of platform drivers that never gained DT support and have no
  remaining in-tree board files"

Link: https://lore.kernel.org/linux-arm-kernel/CAK8P3a0Z9vGEQbVRBo84bSyPFM-LF+hs5w8ZA51g2Z+NsdtDQA@mail.gmail.com/

* tag 'arm-boardfiles-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: cns3xxx: add CONFIG_UNUSED_BOARD_FILES dependency
  ARM: iop32x: mark as unused
  ARM: s3c: mark most board files as unused
  ARM: omap1: add Kconfig dependencies for unused boards
  ARM: sa1100: mark most boards as unused
  ARM: footbridge: mark cats board for removal
  ARM: mmp: mark all board files for removal
  ARM: ep93xx: mark most board files as unused
  ARM: davinci: mark all ATAGS board files as unused
  ARM: orion: add ATAGS dependencies
  ARM: pxa: add Kconfig dependencies for ATAGS based boards
  ARM: add CONFIG_UNUSED_BOARD_FILES
  ARM: add ATAGS dependencies to non-DT platforms
2022-08-02 08:35:17 -07:00
Linus Torvalds
dd65b96492 ARM: new SoC support for 6.0
This adds initial support for two SoC families that have been under
 review for a while. In both cases, the origonal idea was to have a
 minimally functional version, but we ended up leaving out the clk drivers
 that are still under review and will be merged through the corresponding
 subsystem tree.
 
 The Nuvoton NPCM8xx is a 64-bit Baseboard Management Controller and
 based on the 32-bit NPCM7xx family but is now getting added to
 arch/arm64 as well.
 
 Sunplus SP7021, also known as Plus1, is a general-purpose
 System-in-Package design based on the 32-bit Cortex-A7 SoC
 on the main chip, plus an I/O chip and memory in the same
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Merge tag 'arm-newsoc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM new SoC support from Arnd Bergmann:
 "This adds initial support for two SoC families that have been under
  review for a while. In both cases, the origonal idea was to have a
  minimally functional version, but we ended up leaving out the clk
  drivers that are still under review and will be merged through the
  corresponding subsystem tree.

  The Nuvoton NPCM8xx is a 64-bit Baseboard Management Controller and
  based on the 32-bit NPCM7xx family but is now getting added to
  arch/arm64 as well.

  Sunplus SP7021, also known as Plus1, is a general-purpose
  System-in-Package design based on the 32-bit Cortex-A7 SoC on the main
  chip, plus an I/O chip and memory in the same"

* tag 'arm-newsoc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits)
  MAINTAINERS: rectify entry for ARM/NUVOTON NPCM ARCHITECTURE
  arm64: defconfig: Add Nuvoton NPCM family support
  arm64: dts: nuvoton: Add initial NPCM845 EVB device tree
  arm64: dts: nuvoton: Add initial NPCM8XX device tree
  arm64: npcm: Add support for Nuvoton NPCM8XX BMC SoC
  dt-bindings: arm: npcm: Add nuvoton,npcm845 GCR compatible string
  dt-bindings: arm: npcm: Add nuvoton,npcm845 compatible string
  dt-bindings: arm: npcm: Add maintainer
  reset: npcm: Add NPCM8XX support
  dt-bindings: reset: npcm: Add support for NPCM8XX
  reset: npcm: using syscon instead of device data
  ARM: dts: nuvoton: add reset syscon property
  dt-bindings: reset: npcm: add GCR syscon property
  dt-binding: clk: npcm845: Add binding for Nuvoton NPCM8XX Clock
  dt-bindings: watchdog: npcm: Add npcm845 compatible string
  dt-bindings: timer: npcm: Add npcm845 compatible string
  ARM: dts: Add Sunplus SP7021-Demo-V3 board device tree
  ARM: sp7021_defconfig: Add Sunplus SP7021 defconfig
  ARM: sunplus: Add initial support for Sunplus SP7021 SoC
  irqchip: Add Sunplus SP7021 interrupt controller driver
  ...
2022-08-02 08:29:18 -07:00
Linus Torvalds
3a829d267e ARM: SoC defconfig updates for 6.0
This branch includes the usual updates to defconfig files, enabling
 additional driver support for the supported platforms.
 
 There is also a global refresh for all of them that reorders the
 lines according to the 'savedefconfig' output, but without removing
 lines that are no longer part of the refresh.
 
 I went through the most common removed lines to also address them
 while making sure to catch renamed options and add them back
 under the new name.
 
 The boardfile deprecation branch is based on top of this to avoid
 conflicts against removing the unused boardfile configs from the
 generic defconfig files.
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Merge tag 'arm-defconfig-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC defconfig updates from Arnd Bergmann:
 "This branch includes the usual updates to defconfig files, enabling
  additional driver support for the supported platforms.

  There is also a global refresh for all of them that reorders the lines
  according to the 'savedefconfig' output, but without removing lines
  that are no longer part of the refresh.

  I went through the most common removed lines to also address them
  while making sure to catch renamed options and add them back under the
  new name.

  The boardfile deprecation branch is based on top of this to avoid
  conflicts against removing the unused boardfile configs from the
  generic defconfig files"

* tag 'arm-defconfig-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
  arm64: defconfig: Sync some configs with savedefconfig
  arm64: refresh defconfig file
  ARM: defconfig: kill remnants of CONFIG_LEDS
  ARM: defconfig: remove broken CONFIG_THUMB disables
  ARM: defconfig: address renamed CONFIG_DEBUG_INFO=y
  ARM: defconfig: remove stale CONFIG_ZBOOT_ROM entries
  ARM: defconfig: remove irda remnants
  ARM: refresh defconfig files
  arm64: defconfig: Demote Qualcomm USB PHYs to modules
  arm64: defconfig: Enable Qualcomm SC8280XP providers
  ARM: multi_v7_defconfig: Update configs for BCM63138
  arm64: defconfig: enable Qualcomm Bandwidth Monitor
  arm64: defconfig: Enable Allwinner built in CODECs
  arm64: defconfig: Enable qcom interconnect drivers
  arm64: defconfig: Enable qcom ss & hs usb phy
  arm64: defconfig: enable Qualcomm LPG leds driver
  arm64: defconfig: Enable gpio-fan support
  arm64: defconfig: Enable DRM_V3D
  ARM: configs: Enable DRM_V3D
  arm64: defconfig: Enable R8A779G0 SoC
  ...
2022-08-02 08:21:58 -07:00
Linus Torvalds
3976d758e0 ARM: DT changes for 6.0
As usual, the bulk of the changes for the SoC tree are devicetree file
 updates, and most of these changes are for 64-bit embedded machines.
 As before, there are a ton of style cleanups, and additional hardware
 support for existing machines.
 
 Looking only at the new SoC, the notable additions are:
 
  - A whole family of Broadcom broadband SoCs, both 32-bit and 64-bit:
    BCM63178, BCM63158, BCM4912, BCM6858, BCM6878, BCM6846, BCM63146,
    BCM6856, BCM6855, BCM6756, BCM63148, and BCM6813.
    Each SoC comes with a corresponding reference board.
 
  - The new NXP i.MX93 SoC, the follow-up to the popular i.MX6 and
    i.MX8 embedded SoCs, now using Cortex-A55 cores and the
    Ethos-U65 NPU.
 
  - Qualcomm Snapdragon 8cx Gen3 (SC8280XP), the current high end
    of Arm based Laptop SoCs, and its automotive cousin, the
    SA8540P. The SC8280XP is used in the Lenovo Thinkpad X13s
    laptop that also gets added here in addition to the reference
    boards.
 
  - Allwinner H616, a newer version of the H6 SoC, targeted at
    Set-top-box applications. It comes with dts files for the
    Orange Pi zero2 single-board computer and the X96 Mate
    set-top-box
 
  - Marvell Prestera 98DX2530 (AlleyCat5), a network switch chip
    in the Armada SoC family based on the Cortex-A55 core.
 
 New machines based on previously supported SoCs include:
 
  - Several new machines on NXP i.MX platforms: multiple Toradex
    Colibri boards using the "Iris" and "Ixora" carriers,
    DH electronics i.MX8M Plus DHCOM and PDK2, TQ-Systems
    TQMa8MPQL, and phytech phyBOARD-Polis-i.MX8MM.
 
  - Google Chameleon v3 FPGA board based on Intel Arria10 and
    Stratix 10 Software Virtual platform, both in the SoCFPGA
    platform.
 
  - Two new wireless devices based on Broadcom SoCs:
    The Asus GT-AX6000 Router and the Cisco Meraki MR26 access point
 
  - Improved Chromebook support for both the Mediatek and Qualcomm
    SoC families brought added machines: Acer Chromebook 514 (MT8192),
    Acer Chromebook Spin 513 (MT8195) and a couple of SC7180 based
    machines including the Lenovo IdeaPad Chromebook Duet 3.
 
  - Xiaomi Mi Mix2s, LG G7 and LG V35 are mobile phones based on
    Qualcomm SDM845, while Mi 5s Plus is based on MSM8996.
 
  - Finally, there are a few development board on other chips:
    PCB8309 (Microchip lan966x), Radxa Rock Pi S (Rockchips RK3308)
    DH DRC Compact (ST STM32MP1) and Inforce IFC6560 (Qualcomm
    SDM660)
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Merge tag 'arm-dt-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM DT updates from Arnd Bergmann:
 "As usual, the bulk of the changes for the SoC tree are devicetree file
  updates, and most of these changes are for 64-bit embedded machines.
  As before, there are a ton of style cleanups, and additional hardware
  support for existing machines.

  Looking only at the new SoC, the notable additions are:

   - A whole family of Broadcom broadband SoCs, both 32-bit and 64-bit:
     BCM63178, BCM63158, BCM4912, BCM6858, BCM6878, BCM6846, BCM63146,
     BCM6856, BCM6855, BCM6756, BCM63148, and BCM6813. Each SoC comes
     with a corresponding reference board.

   - The new NXP i.MX93 SoC, the follow-up to the popular i.MX6 and
     i.MX8 embedded SoCs, now using Cortex-A55 cores and the Ethos-U65
     NPU.

   - Qualcomm Snapdragon 8cx Gen3 (SC8280XP), the current high end of
     Arm based Laptop SoCs, and its automotive cousin, the SA8540P. The
     SC8280XP is used in the Lenovo Thinkpad X13s laptop that also gets
     added here in addition to the reference boards.

   - Allwinner H616, a newer version of the H6 SoC, targeted at
     Set-top-box applications. It comes with dts files for the Orange Pi
     zero2 single-board computer and the X96 Mate set-top-box

   - Marvell Prestera 98DX2530 (AlleyCat5), a network switch chip in the
     Armada SoC family based on the Cortex-A55 core.

  New machines based on previously supported SoCs include:

   - Several new machines on NXP i.MX platforms: multiple Toradex
     Colibri boards using the "Iris" and "Ixora" carriers, DH
     electronics i.MX8M Plus DHCOM and PDK2, TQ-Systems TQMa8MPQL, and
     phytech phyBOARD-Polis-i.MX8MM.

   - Google Chameleon v3 FPGA board based on Intel Arria10 and Stratix
     10 Software Virtual platform, both in the SoCFPGA platform.

   - Two new wireless devices based on Broadcom SoCs: The Asus GT-AX6000
     Router and the Cisco Meraki MR26 access point

   - Improved Chromebook support for both the Mediatek and Qualcomm SoC
     families brought added machines: Acer Chromebook 514 (MT8192), Acer
     Chromebook Spin 513 (MT8195) and a couple of SC7180 based machines
     including the Lenovo IdeaPad Chromebook Duet 3.

   - Xiaomi Mi Mix2s, LG G7 and LG V35 are mobile phones based on
     Qualcomm SDM845, while Mi 5s Plus is based on MSM8996.

   - Finally, there are a few development board on other chips: PCB8309
     (Microchip lan966x), Radxa Rock Pi S (Rockchips RK3308) DH DRC
     Compact (ST STM32MP1) and Inforce IFC6560 (Qualcomm SDM660)"

* tag 'arm-dt-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (829 commits)
  dt-bindings: soc: bcm: use absolute path to other schema
  dt-bindings: soc: bcm: drop quotes when not needed
  dt-bindings: soc: microchip: use absolute path to other schema
  dt-bindings: soc: microchip: drop quotes when not needed
  ARM: dts: lan966x: keep lan966 entries alphabetically sorted
  ARM: dts: lan966x: add support for pcb8309
  dt-bindings: arm: at91: add lan966 pcb8309 board
  ARM: dts: lan966x: Enable network driver on pcb8291
  ARM: dts: lan966x: Disable can0 on pcb8291
  ARM: dts: lan966x: Add gpio-restart
  dt-bindings: arm: aspeed: add Aspeed Evaluation boards
  arm64: dts: qcom: Add support for Xiaomi Mi Mix2s
  dt-bindings: arm: qcom: Add Xiaomi Mi Mix2s bindings
  dt-bindings: arm: qcom: Document lg,judyln and lg,judyp devices
  dt-bindings: arm: qcom: add missing SM6350 board compatibles
  dt-bindings: arm: qcom: add missing SM6125 board compatibles
  dt-bindings: arm: qcom: add missing SDM845 board compatibles
  dt-bindings: arm: qcom: add missing SDM636 board compatibles
  dt-bindings: arm: qcom: add missing SDM630 board compatibles
  dt-bindings: arm: qcom: add missing QCS404 board compatibles
  ...
2022-08-02 08:15:25 -07:00
Linus Torvalds
47b62edcd4 ARM: SoC drivers for 6.0
The SoC driver updates contain changes to improve support for
 additional SoC variants, as well as cleanups an minor bugfixes
 in a number of existing drivers.
 
 Notable updates this time include:
 
  - Support for Qualcomm MSM8909 (Snapdragon 210) in various drivers
 
  - Updates for interconnect drivers on Qualcomm Snapdragon
 
  - A new driver support for NMI interrupts on Fujitsu A64fx
 
  - A rework of Broadcom BCMBCA Kconfig dependencies
 
  - Improved support for BCM2711 (Raspberry Pi 4) power management
    to allow the use of the V3D GPU
 
  - Cleanups to the NXP guts driver
 
  - Arm SCMI firmware driver updates to add tracing support, and
    use the firmware interfaces for system power control and for
    power capping.
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Merge tag 'arm-drivers-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC drivers from Arnd Bergmann:
 "The SoC driver updates contain changes to improve support for
  additional SoC variants, as well as cleanups an minor bugfixes
  in a number of existing drivers.

  Notable updates this time include:

   - Support for Qualcomm MSM8909 (Snapdragon 210) in various drivers

   - Updates for interconnect drivers on Qualcomm Snapdragon

   - A new driver support for NMI interrupts on Fujitsu A64fx

   - A rework of Broadcom BCMBCA Kconfig dependencies

   - Improved support for BCM2711 (Raspberry Pi 4) power management to
     allow the use of the V3D GPU

   - Cleanups to the NXP guts driver

   - Arm SCMI firmware driver updates to add tracing support, and use
     the firmware interfaces for system power control and for power
     capping"

* tag 'arm-drivers-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (125 commits)
  soc: a64fx-diag: disable modular build
  dt-bindings: soc: qcom: qcom,smd-rpm: add power-controller
  dt-bindings: soc: qcom: aoss: document qcom,sm8450-aoss-qmp
  dt-bindings: soc: qcom,rpmh-rsc: simplify qcom,tcs-config
  ARM: mach-qcom: Add support for MSM8909
  dt-bindings: arm: cpus: Document "qcom,msm8909-smp" enable-method
  soc: qcom: spm: Add CPU data for MSM8909
  dt-bindings: soc: qcom: spm: Add MSM8909 CPU compatible
  soc: qcom: rpmpd: Add compatible for MSM8909
  dt-bindings: power: qcom-rpmpd: Add MSM8909 power domains
  soc: qcom: smd-rpm: Add compatible for MSM8909
  dt-bindings: soc: qcom: smd-rpm: Add MSM8909
  soc: qcom: icc-bwmon: Remove unnecessary print function dev_err()
  soc: fujitsu: Add A64FX diagnostic interrupt driver
  soc: qcom: socinfo: Fix the id of SA8540P SoC
  soc: qcom: Make QCOM_RPMPD depend on PM
  tty: serial: bcm63xx: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
  spi: bcm63xx-hsspi: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
  clk: bcm: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
  hwrng: bcm2835: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
  ...
2022-08-02 08:10:10 -07:00
Linus Torvalds
e233cc59d0 ARM: SoC updates for 6.0
The updates for arch/arm/mach-* platform code this time are mainly
 minor cleanups.
 
 Most notably, the DaVinci DM644x/DM646x SoC support gets removed. This was
 also scheduled for later removal early next year, but Linus Walleij asked
 for having them removed earlier to avoid problems for the GPIO subsystem.
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Merge tag 'arm-soc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "The updates for arch/arm/mach-* platform code this time are mainly
  minor cleanups.

  Most notably, the DaVinci DM644x/DM646x SoC support gets removed. This
  was also scheduled for later removal early next year, but Linus
  Walleij asked for having them removed earlier to avoid problems for
  the GPIO subsystem"

* tag 'arm-soc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (38 commits)
  ARM: at91: setup outer cache .write_sec() callback if needed
  ARM: at91: add sam_linux_is_optee_available() function
  ARM: Marvell: Update PCIe fixup
  ARM: bcmbca: Include full family name in Kconfig
  ARM: bcm: NSP: Removed forced thermal selection
  ARM: debug: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
  arm: bcmbca: Add BCMBCA sub platforms
  arm: bcmbca: Move BCM63138 ARCH_BCM_63XX to ARCH_BCMBCA
  MAINTAINERS: Move BCM63138 to bcmbca arch entry
  ARM: shmobile: rcar-gen2: Increase refcount for new reference
  ARM: davinci: Delete DM646x board files
  ARM: davinci: Delete DM644x board files
  firmware: xilinx: Add TF_A_PM_REGISTER_SGI SMC call
  cpufreq: zynq: Fix refcount leak in zynq_get_revision
  ARM: OMAP2+: Kconfig: Fix indentation
  ARM: OMAP2+: Fix refcount leak in omap3xxx_prm_late_init
  ARM: OMAP2+: pdata-quirks: Fix refcount leak bug
  ARM: OMAP2+: display: Fix refcount leak bug
  ARM: OMAP2+: Fix refcount leak in omapdss_init_of
  ARM: imx25: support silicon revision 1.2
  ...
2022-08-02 08:02:59 -07:00
Linus Torvalds
9de1f9c8ca Updates for interrupt core and drivers:
core:
    - Fix a few inconsistencies between UP and SMP vs. interrupt affinities
    - Small updates and cleanups all over the place
 
  drivers:
    - New driver for the LoongArch interrupt controller
    - New driver for the Renesas RZ/G2L interrupt controller
 
    - Hotpath optimization for SiFive PLIC
    - Workaround for broken PLIC edge triggered interrupts
 
    - Simall cleanups and improvements as usual
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Merge tag 'irq-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq updates from Thomas Gleixner:
 "Updates for interrupt core and drivers:

  Core:

   - Fix a few inconsistencies between UP and SMP vs interrupt
     affinities

   - Small updates and cleanups all over the place

  New drivers:

   - LoongArch interrupt controller

   - Renesas RZ/G2L interrupt controller

  Updates:

   - Hotpath optimization for SiFive PLIC

   - Workaround for broken PLIC edge triggered interrupts

   - Simall cleanups and improvements as usual"

* tag 'irq-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits)
  irqchip/mmp: Declare init functions in common header file
  irqchip/mips-gic: Check the return value of ioremap() in gic_of_init()
  genirq: Use for_each_action_of_desc in actions_show()
  irqchip / ACPI: Introduce ACPI_IRQ_MODEL_LPIC for LoongArch
  irqchip: Add LoongArch CPU interrupt controller support
  irqchip: Add Loongson Extended I/O interrupt controller support
  irqchip/loongson-liointc: Add ACPI init support
  irqchip/loongson-pch-msi: Add ACPI init support
  irqchip/loongson-pch-pic: Add ACPI init support
  irqchip: Add Loongson PCH LPC controller support
  LoongArch: Prepare to support multiple pch-pic and pch-msi irqdomain
  LoongArch: Use ACPI_GENERIC_GSI for gsi handling
  genirq/generic_chip: Export irq_unmap_generic_chip
  ACPI: irq: Allow acpi_gsi_to_irq() to have an arch-specific fallback
  APCI: irq: Add support for multiple GSI domains
  LoongArch: Provisionally add ACPICA data structures
  irqdomain: Use hwirq_max instead of revmap_size for NOMAP domains
  irqdomain: Report irq number for NOMAP domains
  irqchip/gic-v3: Fix comment typo
  dt-bindings: interrupt-controller: renesas,rzg2l-irqc: Document RZ/V2L SoC
  ...
2022-08-01 12:48:15 -07:00
Linus Torvalds
dfea84827f Timers, timekeeping and related drivers update:
core:
    - Make wait_event_hrtimeout() ware of RT/DL tasks
 
  drivers:
    - New driver for the R-Car Gen4 timer
    - New driver for the Tegra186 timer
    - New driver for the Mediatek MT6795 CPUXGPT timer
 
    - Rework suspend/resume handling in timer drivers so it
      takes inactive clocks into account.
 
    - The usual device tree compatible add ons
 
    - Small fixed and cleanups all over the place
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Merge tag 'timers-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer updates from Thomas Gleixner:
 "Timers, timekeeping and related drivers update:

  Core:

   - Make wait_event_hrtimeout() aware of RT/DL tasks

  New drivers:

   - R-Car Gen4 timer

   - Tegra186 timer

   - Mediatek MT6795 CPUXGPT timer

  Updates:

   - Rework suspend/resume handling in timer drivers so it
     takes inactive clocks into account.

   - The usual device tree compatible add ons

   - Small fixed and cleanups all over the place"

* tag 'timers-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  wait: Fix __wait_event_hrtimeout for RT/DL tasks
  clocksource/drivers/sun5i: Remove unnecessary (void*) conversions
  dt-bindings: timer: allwinner,sun4i-a10-timer: Add D1 compatible
  dt-bindings: timer: ingenic,tcu: use absolute path to other schema
  clocksource/drivers/sun4i: Remove unnecessary (void*) conversions
  dt-bindings: timer: renesas,cmt: Fix R-Car Gen4 fall-out
  clocksource/drivers/tegra186: Put Kconfig option 'tristate' to 'bool'
  clocksource/drivers/timer-ti-dm: Make driver selection bool for TI K3
  clocksource/drivers/timer-ti-dm: Add compatible for am6 SoCs
  clocksource/drivers/timer-ti-dm: Make timer selectable for ARCH_K3
  clocksource/drivers/timer-ti-dm: Move inline functions to driver for am6
  clocksource/drivers/sh_cmt: Add R-Car Gen4 support
  dt-bindings: timer: renesas,cmt: R-Car V3U is R-Car Gen4
  dt-bindings: timer: renesas,cmt: Add r8a779f0 and generic Gen4 CMT support
  clocksource/drivers/timer-microchip-pit64b: Fix compilation warnings
  clocksource/drivers/timer-microchip-pit64b: Use mchp_pit64b_{suspend, resume}
  clocksource/drivers/timer-microchip-pit64b: Remove suspend/resume ops for ce
  thermal/drivers/rcar_gen3_thermal: Add r8a779f0 support
  clocksource/drivers/timer-mediatek: Implement CPUXGPT timers
  dt-bindings: timer: mediatek: Add CPUX System Timer and MT6795 compatible
  ...
2022-08-01 12:37:54 -07:00
Linus Torvalds
63e6053add Perf events updates for this cycle are:
- Fix Intel Alder Lake PEBS memory access latency & data source profiling info bugs.
 
 - Use Intel large-PEBS hardware feature in more circumstances, to reduce
   PMI overhead & reduce sampling data.
 
 - Extend the lost-sample profiling output with the PERF_FORMAT_LOST ABI variant,
   which tells tooling the exact number of samples lost.
 
 - Add new IBS register bits definitions.
 
 - AMD uncore events: Add PerfMonV2 DF (Data Fabric) enhancements.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf events updates from Ingo Molnar:

 - Fix Intel Alder Lake PEBS memory access latency & data source
   profiling info bugs.

 - Use Intel large-PEBS hardware feature in more circumstances, to
   reduce PMI overhead & reduce sampling data.

 - Extend the lost-sample profiling output with the PERF_FORMAT_LOST ABI
   variant, which tells tooling the exact number of samples lost.

 - Add new IBS register bits definitions.

 - AMD uncore events: Add PerfMonV2 DF (Data Fabric) enhancements.

* tag 'perf-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/ibs: Add new IBS register bits into header
  perf/x86/intel: Fix PEBS data source encoding for ADL
  perf/x86/intel: Fix PEBS memory access info encoding for ADL
  perf/core: Add a new read format to get a number of lost samples
  perf/x86/amd/uncore: Add PerfMonV2 RDPMC assignments
  perf/x86/amd/uncore: Add PerfMonV2 DF event format
  perf/x86/amd/uncore: Detect available DF counters
  perf/x86/amd/uncore: Use attr_update for format attributes
  perf/x86/amd/uncore: Use dynamic events array
  x86/events/intel/ds: Enable large PEBS for PERF_SAMPLE_WEIGHT_TYPE
2022-08-01 12:24:30 -07:00
Linus Torvalds
22a39c3d86 This was a fairly quiet cycle for the locking subsystem:
- lockdep: Fix a handful of the more complex lockdep_init_map_*() primitives
    that can lose the lock_type & cause false reports. No such mishap was
    observed in the wild.
 
  - jump_label improvements: simplify the cross-arch support of
    initial NOP patching by making it arch-specific code (used on MIPS only),
    and remove the s390 initial NOP patching that was superfluous.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Ingo Molnar:
 "This was a fairly quiet cycle for the locking subsystem:

   - lockdep: Fix a handful of the more complex lockdep_init_map_*()
     primitives that can lose the lock_type & cause false reports. No
     such mishap was observed in the wild.

   - jump_label improvements: simplify the cross-arch support of initial
     NOP patching by making it arch-specific code (used on MIPS only),
     and remove the s390 initial NOP patching that was superfluous"

* tag 'locking-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/lockdep: Fix lockdep_init_map_*() confusion
  jump_label: make initial NOP patching the special case
  jump_label: mips: move module NOP patching into arch code
  jump_label: s390: avoid pointless initial NOP patching
2022-08-01 12:15:27 -07:00
Linus Torvalds
b167fdffe9 This cycle's scheduler updates for v6.0 are:
Load-balancing improvements:
 ============================
 
 - Improve NUMA balancing on AMD Zen systems for affine workloads.
 
 - Improve the handling of reduced-capacity CPUs in load-balancing.
 
 - Energy Model improvements: fix & refine all the energy fairness metrics (PELT),
   and remove the conservative threshold requiring 6% energy savings to
   migrate a task. Doing this improves power efficiency for most workloads,
   and also increases the reliability of energy-efficiency scheduling.
 
 - Optimize/tweak select_idle_cpu() to spend (much) less time searching
   for an idle CPU on overloaded systems. There's reports of several
   milliseconds spent there on large systems with large workloads ...
 
   [ Since the search logic changed, there might be behavioral side effects. ]
 
 - Improve NUMA imbalance behavior. On certain systems
   with spare capacity, initial placement of tasks is non-deterministic,
   and such an artificial placement imbalance can persist for a long time,
   hurting (and sometimes helping) performance.
 
   The fix is to make fork-time task placement consistent with runtime
   NUMA balancing placement.
 
   Note that some performance regressions were reported against this,
   caused by workloads that are not memory bandwith limited, which benefit
   from the artificial locality of the placement bug(s). Mel Gorman's
   conclusion, with which we concur, was that consistency is better than
   random workload benefits from non-deterministic bugs:
 
      "Given there is no crystal ball and it's a tradeoff, I think it's
       better to be consistent and use similar logic at both fork time
       and runtime even if it doesn't have universal benefit."
 
 - Improve core scheduling by fixing a bug in sched_core_update_cookie() that
   caused unnecessary forced idling.
 
 - Improve wakeup-balancing by allowing same-LLC wakeup of idle CPUs for newly
   woken tasks.
 
 - Fix a newidle balancing bug that introduced unnecessary wakeup latencies.
 
 ABI improvements/fixes:
 =======================
 
 - Do not check capabilities and do not issue capability check denial messages
   when a scheduler syscall doesn't require privileges. (Such as increasing niceness.)
 
 - Add forced-idle accounting to cgroups too.
 
 - Fix/improve the RSEQ ABI to not just silently accept unknown flags.
   (No existing tooling is known to have learned to rely on the previous behavior.)
 
 - Depreciate the (unused) RSEQ_CS_FLAG_NO_RESTART_ON_* flags.
 
 Optimizations:
 ==============
 
 - Optimize & simplify leaf_cfs_rq_list()
 
 - Micro-optimize set_nr_{and_not,if}_polling() via try_cmpxchg().
 
 Misc fixes & cleanups:
 ======================
 
 - Fix the RSEQ self-tests on RISC-V and Glibc 2.35 systems.
 
 - Fix a full-NOHZ bug that can in some cases result in the tick not being
   re-enabled when the last SCHED_RT task is gone from a runqueue but there's
   still SCHED_OTHER tasks around.
 
 - Various PREEMPT_RT related fixes.
 
 - Misc cleanups & smaller fixes.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:
"Load-balancing improvements:

   - Improve NUMA balancing on AMD Zen systems for affine workloads.

   - Improve the handling of reduced-capacity CPUs in load-balancing.

   - Energy Model improvements: fix & refine all the energy fairness
     metrics (PELT), and remove the conservative threshold requiring 6%
     energy savings to migrate a task. Doing this improves power
     efficiency for most workloads, and also increases the reliability
     of energy-efficiency scheduling.

   - Optimize/tweak select_idle_cpu() to spend (much) less time
     searching for an idle CPU on overloaded systems. There's reports of
     several milliseconds spent there on large systems with large
     workloads ...

     [ Since the search logic changed, there might be behavioral side
       effects. ]

   - Improve NUMA imbalance behavior. On certain systems with spare
     capacity, initial placement of tasks is non-deterministic, and such
     an artificial placement imbalance can persist for a long time,
     hurting (and sometimes helping) performance.

     The fix is to make fork-time task placement consistent with runtime
     NUMA balancing placement.

     Note that some performance regressions were reported against this,
     caused by workloads that are not memory bandwith limited, which
     benefit from the artificial locality of the placement bug(s). Mel
     Gorman's conclusion, with which we concur, was that consistency is
     better than random workload benefits from non-deterministic bugs:

        "Given there is no crystal ball and it's a tradeoff, I think
         it's better to be consistent and use similar logic at both fork
         time and runtime even if it doesn't have universal benefit."

   - Improve core scheduling by fixing a bug in
     sched_core_update_cookie() that caused unnecessary forced idling.

   - Improve wakeup-balancing by allowing same-LLC wakeup of idle CPUs
     for newly woken tasks.

   - Fix a newidle balancing bug that introduced unnecessary wakeup
     latencies.

  ABI improvements/fixes:

   - Do not check capabilities and do not issue capability check denial
     messages when a scheduler syscall doesn't require privileges. (Such
     as increasing niceness.)

   - Add forced-idle accounting to cgroups too.

   - Fix/improve the RSEQ ABI to not just silently accept unknown flags.
     (No existing tooling is known to have learned to rely on the
     previous behavior.)

   - Depreciate the (unused) RSEQ_CS_FLAG_NO_RESTART_ON_* flags.

  Optimizations:

   - Optimize & simplify leaf_cfs_rq_list()

   - Micro-optimize set_nr_{and_not,if}_polling() via try_cmpxchg().

  Misc fixes & cleanups:

   - Fix the RSEQ self-tests on RISC-V and Glibc 2.35 systems.

   - Fix a full-NOHZ bug that can in some cases result in the tick not
     being re-enabled when the last SCHED_RT task is gone from a
     runqueue but there's still SCHED_OTHER tasks around.

   - Various PREEMPT_RT related fixes.

   - Misc cleanups & smaller fixes"

* tag 'sched-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits)
  rseq: Kill process when unknown flags are encountered in ABI structures
  rseq: Deprecate RSEQ_CS_FLAG_NO_RESTART_ON_* flags
  sched/core: Fix the bug that task won't enqueue into core tree when update cookie
  nohz/full, sched/rt: Fix missed tick-reenabling bug in dequeue_task_rt()
  sched/core: Always flush pending blk_plug
  sched/fair: fix case with reduced capacity CPU
  sched/core: Use try_cmpxchg in set_nr_{and_not,if}_polling
  sched/core: add forced idle accounting for cgroups
  sched/fair: Remove the energy margin in feec()
  sched/fair: Remove task_util from effective utilization in feec()
  sched/fair: Use the same cpumask per-PD throughout find_energy_efficient_cpu()
  sched/fair: Rename select_idle_mask to select_rq_mask
  sched, drivers: Remove max param from effective_cpu_util()/sched_cpu_util()
  sched/fair: Decay task PELT values during wakeup migration
  sched/fair: Provide u64 read for 32-bits arch helper
  sched/fair: Introduce SIS_UTIL to search idle CPU based on sum of util_avg
  sched: only perform capability check on privileged operation
  sched: Remove unused function group_first_cpu()
  sched/fair: Remove redundant word " *"
  selftests/rseq: check if libc rseq support is registered
  ...
2022-08-01 11:49:06 -07:00
Linus Torvalds
0dd1cabe8a slab updates for 5.20/6.0
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Merge tag 'slab-for-5.20_or_6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab updates from Vlastimil Babka:

 - An addition of 'accounted' flag to slab allocation tracepoints to
   indicate memcg_kmem accounting, by Vasily

 - An optimization of memcg handling in freeing paths, by Muchun

 - Various smaller fixes and cleanups

* tag 'slab-for-5.20_or_6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  mm/slab_common: move generic bulk alloc/free functions to SLOB
  mm/sl[au]b: use own bulk free function when bulk alloc failed
  mm: slab: optimize memcg_slab_free_hook()
  mm/tracing: add 'accounted' entry into output of allocation tracepoints
  tools/vm/slabinfo: Handle files in debugfs
  mm/slub: Simplify __kmem_cache_alias()
  mm, slab: fix bad alignments
2022-08-01 11:46:58 -07:00
Xiu Jianfeng
aa16fb4b9e smack: Remove the redundant lsm_inode_alloc
It's not possible for inode->i_security to be NULL here because every
inode will call inode_init_always and then lsm_inode_alloc to alloc
memory for inode->security, this is what LSM infrastructure management
do, so remove this redundant code.

Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
2022-08-01 11:26:09 -07:00
GONG, Ruiqi
63c3b5d2ca smack: Replace kzalloc + strncpy with kstrndup
Simplify the code by using kstrndup instead of kzalloc and strncpy in
smk_parse_smack(), which meanwhile remove strncpy as [1] suggests.

[1]: https://github.com/KSPP/linux/issues/90

Signed-off-by: GONG, Ruiqi <gongruiqi1@huawei.com>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
2022-08-01 11:26:09 -07:00
Linus Torvalds
0cec3f24a7 arm64 updates for 5.20
- Remove unused generic cpuidle support (replaced by PSCI version)
 
 - Fix documentation describing the kernel virtual address space
 
 - Handling of some new CPU errata in Arm implementations
 
 - Rework of our exception table code in preparation for handling
   machine checks (i.e. RAS errors) more gracefully
 
 - Switch over to the generic implementation of ioremap()
 
 - Fix lockdep tracking in NMI context
 
 - Instrument our memory barrier macros for KCSAN
 
 - Rework of the kPTI G->nG page-table repainting so that the MMU remains
   enabled and the boot time is no longer slowed to a crawl for systems
   which require the late remapping
 
 - Enable support for direct swapping of 2MiB transparent huge-pages on
   systems without MTE
 
 - Fix handling of MTE tags with allocating new pages with HW KASAN
 
 - Expose the SMIDR register to userspace via sysfs
 
 - Continued rework of the stack unwinder, particularly improving the
   behaviour under KASAN
 
 - More repainting of our system register definitions to match the
   architectural terminology
 
 - Improvements to the layout of the vDSO objects
 
 - Support for allocating additional bits of HWCAP2 and exposing
   FEAT_EBF16 to userspace on CPUs that support it
 
 - Considerable rework and optimisation of our early boot code to reduce
   the need for cache maintenance and avoid jumping in and out of the
   kernel when handling relocation under KASLR
 
 - Support for disabling SVE and SME support on the kernel command-line
 
 - Support for the Hisilicon HNS3 PMU
 
 - Miscellanous cleanups, trivial updates and minor fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:
 "Highlights include a major rework of our kPTI page-table rewriting
  code (which makes it both more maintainable and considerably faster in
  the cases where it is required) as well as significant changes to our
  early boot code to reduce the need for data cache maintenance and
  greatly simplify the KASLR relocation dance.

  Summary:

   - Remove unused generic cpuidle support (replaced by PSCI version)

   - Fix documentation describing the kernel virtual address space

   - Handling of some new CPU errata in Arm implementations

   - Rework of our exception table code in preparation for handling
     machine checks (i.e. RAS errors) more gracefully

   - Switch over to the generic implementation of ioremap()

   - Fix lockdep tracking in NMI context

   - Instrument our memory barrier macros for KCSAN

   - Rework of the kPTI G->nG page-table repainting so that the MMU
     remains enabled and the boot time is no longer slowed to a crawl
     for systems which require the late remapping

   - Enable support for direct swapping of 2MiB transparent huge-pages
     on systems without MTE

   - Fix handling of MTE tags with allocating new pages with HW KASAN

   - Expose the SMIDR register to userspace via sysfs

   - Continued rework of the stack unwinder, particularly improving the
     behaviour under KASAN

   - More repainting of our system register definitions to match the
     architectural terminology

   - Improvements to the layout of the vDSO objects

   - Support for allocating additional bits of HWCAP2 and exposing
     FEAT_EBF16 to userspace on CPUs that support it

   - Considerable rework and optimisation of our early boot code to
     reduce the need for cache maintenance and avoid jumping in and out
     of the kernel when handling relocation under KASLR

   - Support for disabling SVE and SME support on the kernel
     command-line

   - Support for the Hisilicon HNS3 PMU

   - Miscellanous cleanups, trivial updates and minor fixes"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (136 commits)
  arm64: Delay initialisation of cpuinfo_arm64::reg_{zcr,smcr}
  arm64: fix KASAN_INLINE
  arm64/hwcap: Support FEAT_EBF16
  arm64/cpufeature: Store elf_hwcaps as a bitmap rather than unsigned long
  arm64/hwcap: Document allocation of upper bits of AT_HWCAP
  arm64: enable THP_SWAP for arm64
  arm64/mm: use GENMASK_ULL for TTBR_BADDR_MASK_52
  arm64: errata: Remove AES hwcap for COMPAT tasks
  arm64: numa: Don't check node against MAX_NUMNODES
  drivers/perf: arm_spe: Fix consistency of SYS_PMSCR_EL1.CX
  perf: RISC-V: Add of_node_put() when breaking out of for_each_of_cpu_node()
  docs: perf: Include hns3-pmu.rst in toctree to fix 'htmldocs' WARNING
  arm64: kasan: Revert "arm64: mte: reset the page tag in page->flags"
  mm: kasan: Skip page unpoisoning only if __GFP_SKIP_KASAN_UNPOISON
  mm: kasan: Skip unpoisoning of user pages
  mm: kasan: Ensure the tags are visible before the tag in page->flags
  drivers/perf: hisi: add driver for HNS3 PMU
  drivers/perf: hisi: Add description for HNS3 PMU driver
  drivers/perf: riscv_pmu_sbi: perf format
  perf/arm-cci: Use the bitmap API to allocate bitmaps
  ...
2022-08-01 10:37:00 -07:00
Linus Torvalds
a82c58cf1a m68k updates for v5.20
- Use RNG seed from bootinfo block on virt platform,
   - Defconfig updates,
   - Minor fixes and improvements.
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Merge tag 'm68k-for-v5.20-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

Pull m68k updates from Geert Uytterhoeven:

 - Use RNG seed from bootinfo block on virt platform

 - defconfig updates

 - Minor fixes and improvements

* tag 'm68k-for-v5.20-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: defconfig: Update defconfigs for v5.19-rc1
  m68k: Add common forward declaration for show_registers()
  m68k: mac: Remove forward declaration for mac_nmi_handler()
  m68k: virt: Fix missing platform_device_unregister() on error in virt_platform_init()
  m68k: virt: Use RNG seed from bootinfo block
  m68k: bitops: Change __fls to return and accept unsigned long
  m68k: Kconfig.machine: Add endif comment
  m68k: Kconfig.debug: Replace single quotes
  m68k: Kconfig.cpu: Fix indentation and add endif comments
  m68k: q40: Align '*' in comments
  m68k: sun3: Use __func__ to get function's name in an output message
  m68k: mac: Fix typos in comments
  m68k: virt: Kconfig minor fixes
2022-08-01 10:32:06 -07:00
Linus Torvalds
60ee49fac8 - Add the ability to pass early an RNG seed to the kernel from the boot
loader
 
 - Add the ability to pass the IMA measurement of kernel and bootloader
 to the kexec-ed kernel
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Merge tag 'x86_kdump_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 kdump updates from Borislav Petkov:

 - Add the ability to pass early an RNG seed to the kernel from the boot
   loader

 - Add the ability to pass the IMA measurement of kernel and bootloader
   to the kexec-ed kernel

* tag 'x86_kdump_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/setup: Use rng seeds from setup_data
  x86/kexec: Carry forward IMA measurement log on kexec
2022-08-01 10:17:19 -07:00
Linus Torvalds
8b7054528c - Fix stack protector builds when cross compiling with Clang
- Other Kbuild improvements and fixes
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Merge tag 'x86_build_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 build updates from Borislav Petkov:

 - Fix stack protector builds when cross compiling with Clang

 - Other Kbuild improvements and fixes

* tag 'x86_build_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/purgatory: Omit use of bin2c
  x86/purgatory: Hard-code obj-y in Makefile
  x86/build: Remove unused OBJECT_FILES_NON_STANDARD_test_nx.o
  x86/Kconfig: Fix CONFIG_CC_HAS_SANE_STACKPROTECTOR when cross compiling with clang
2022-08-01 10:14:19 -07:00
Linus Torvalds
ecf9b7bfea - Have invalid MSR accesses warnings appear only once after a
pr_warn_once() change broke that
 
 - Simplify {JMP,CALL}_NOSPEC and let the objtool retpoline patching
 infra take care of them instead of having unreadable alternative macros
 there
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Merge tag 'x86_core_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 core updates from Borislav Petkov:

 - Have invalid MSR accesses warnings appear only once after a
   pr_warn_once() change broke that

 - Simplify {JMP,CALL}_NOSPEC and let the objtool retpoline patching
   infra take care of them instead of having unreadable alternative
   macros there

* tag 'x86_core_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/extable: Fix ex_handler_msr() print condition
  x86,nospec: Simplify {JMP,CALL}_NOSPEC
2022-08-01 10:04:00 -07:00
Linus Torvalds
98b1783de2 - Add a bunch of PCI IDs for new AMD CPUs and use them in k10temp
- Free the pmem platform device on the registration error path
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Merge tag 'x86_misc_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull misc x86 updates from Borislav Petkov:

 - Add a bunch of PCI IDs for new AMD CPUs and use them in k10temp

 - Free the pmem platform device on the registration error path

* tag 'x86_misc_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  hwmon: (k10temp): Add support for new family 17h and 19h models
  x86/amd_nb: Add AMD PCI IDs for SMN communication
  x86/pmem: Fix platform-device leak in error path
2022-08-01 10:00:43 -07:00