mirror of https://gitee.com/openkylin/linux.git
50611 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Paul Cercueil
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85a217750c |
dt-bindings: panel/kingdisplay,kd035g6-54nt: Remove spi-cs-high
The NT39016 panel is a fun beast, even though the documentation states that the CS line is active-low, it will work just fine if the CS line is configured as active-high, but it won't work if the CS line is forced low or forced high. Since it did actually work with the spi-cs-high property, this is not a bugfix, but we should nonetheless remove that property from the example to match the documentation. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> |
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Linus Torvalds
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47454caf45 |
block-5.12-2021-03-05
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Merge tag 'block-5.12-2021-03-05' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe fixes:
- more device quirks (Julian Einwag, Zoltán Böszörményi, Pascal
Terjan)
- fix a hwmon error return (Daniel Wagner)
- fix the keep alive timeout initialization (Martin George)
- ensure the model_number can't be changed on a used subsystem
(Max Gurtovoy)
- rsxx missing -EFAULT on copy_to_user() failure (Dan)
- rsxx remove unused linux.h include (Tian)
- kill unused RQF_SORTED (Jean)
- updated outdated BFQ comments (Joseph)
- revert work-around commit for bd_size_lock, since we removed the
offending user in this merge window (Damien)
* tag 'block-5.12-2021-03-05' of git://git.kernel.dk/linux-block:
nvmet: model_number must be immutable once set
nvme-fabrics: fix kato initialization
nvme-hwmon: Return error code when registration fails
nvme-pci: add quirks for Lexar 256GB SSD
nvme-pci: mark Kingston SKC2000 as not supporting the deepest power state
nvme-pci: mark Seagate Nytro XM1440 as QUIRK_NO_NS_DESC_LIST.
rsxx: Return -EFAULT if copy_to_user() fails
block/bfq: update comments and default value in docs for fifo_expire
rsxx: remove unused including <linux/version.h>
block: Drop leftover references to RQF_SORTED
block: revert "block: fix bd_size_lock use"
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Linus Torvalds
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6bf331d5ce |
Devicetree fixes for v5.12-rc:
- Another batch of graph and video-interfaces schema conversions - Drop DT header symlink for dropped C6X arch - Fix bcm2711-hdmi schema error -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmBCT0cQHHJvYmhAa2Vy bmVsLm9yZwAKCRD6+121jbxhw5qnEACbN4K1EbJs4DYhZnOzBK0hzq+9t8MEHlvu GWyO7xJAkU8uEETkOVOk5Qk5E9ud/DUKMV0EOj6JDElnT5mydE2t4mFXAIEfe9so J9T/jrAjQGDBA7ZIRp3N/r4ye83LW04wBytbytFPwQmQru0EcwBjUPHsQElnts7Z CFGkJJ7yteXd13Qt+in+/7h0vqjhIM/On0G4uOBxpavDDZnsdyRYeE5YykkbtDRM aqcYOw07rNSKjtxoofc7h0J8YThn20DO4TREQ4PD2zuIFojDxaBaS0CriZ/facWv vjw53x/4dkmGADbBdSQG5XZnF2YuTeoVEa3SPJU9mUEG+OA5fdmUareLFZEmZCNn CeyLW0mOG8dtEJuHzOw1BeLbcWIcxeTLyNpPy4RDgMSr4ocHGd2ng/E2Tk/Vr8dC MKaEiKa17w67JzzNpQsghjAl3M7DW3kvkFk3gQA8lz3KVMxoJZIg4XyAWbdFKpUE 3xKQ1z4fh8uOcvQKwzstyhUgA4dSac27Ehs+wmrluzEi2Z6PfoITnnO+5/ZSkTge MmHtzANVVUEYo3bG894I05xLFIu5T3bmqoSlkoD3oKDNo2NbQpm++KskUrAO9tFt e5zpvQCwMq4ihZH0QfJYK89KkKMJPOhqa62+xCNTVT3QxaYMAe5W8jxRfHZVPTee imRwbL0CUw== =cVN0 -----END PGP SIGNATURE----- Merge tag 'devicetree-fixes-for-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: - Another batch of graph and video-interfaces schema conversions - Drop DT header symlink for dropped C6X arch - Fix bcm2711-hdmi schema error * tag 'devicetree-fixes-for-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt-bindings: media: Use graph and video-interfaces schemas, round 2 dts: drop dangling c6x symlink dt-bindings: bcm2711-hdmi: Fix broken schema |
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Linus Torvalds
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cee407c5cc |
* Doc fixes
* selftests fixes * Add runstate information to the new Xen support * Allow compiling out the Xen interface * 32-bit PAE without EPT bugfix * NULL pointer dereference bugfix -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmA+lGcUHHBib256aW5p QHJlZGhhdC5jb20ACgkQv/vSX3jHroMaMQf/Q8bQr5vVAeNk+1MyRmzNqFEbLqbe h50f4Wd2N+svZ6XinQH1vvuQm1WYj/g616Q3nCeYwCJyY34g5tf60XcuAMnVRIzw qc2IUvSAJ3faVElMrSA5thN3bkPzJpRrdIpQGBgOd+rT+eQkPSsJlTy34JJmvbmh xFGjoVj49tYEkFfpxEbtytW6QiYtPz/ai8SARRXbEUWO/pVzdkgK5XWshRhE9vpB GLCEXUngdPokJMblRMuK4YOSFQXXHobAJAgPwSzguDV41qezXaKOGYOLe7+V+0kH z607RnQc1wGgsLanT13okYMQr09/XCjpvFkZ9CK2bIJPsyWP+ihA/37hVQ== =1GNo -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull KVM fixes from Paolo Bonzini: - Doc fixes - selftests fixes - Add runstate information to the new Xen support - Allow compiling out the Xen interface - 32-bit PAE without EPT bugfix - NULL pointer dereference bugfix * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: SVM: Clear the CR4 register on reset KVM: x86/xen: Add support for vCPU runstate information KVM: x86/xen: Fix return code when clearing vcpu_info and vcpu_time_info selftests: kvm: Mmap the entire vcpu mmap area KVM: Documentation: Fix index for KVM_CAP_PPC_DAWR1 KVM: x86: allow compiling out the Xen hypercall interface KVM: xen: flush deferred static key before checking it KVM: x86/mmu: Set SPTE_AD_WRPROT_ONLY_MASK if and only if PML is enabled KVM: x86: hyper-v: Fix Hyper-V context null-ptr-deref KVM: x86: remove misplaced comment on active_mmu_pages KVM: Documentation: rectify rst markup in kvm_run->flags Documentation: kvm: fix messy conversion from .txt to .rst |
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David Woodhouse
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30b5c851af |
KVM: x86/xen: Add support for vCPU runstate information
This is how Xen guests do steal time accounting. The hypervisor records the amount of time spent in each of running/runnable/blocked/offline states. In the Xen accounting, a vCPU is still in state RUNSTATE_running while in Xen for a hypercall or I/O trap, etc. Only if Xen explicitly schedules does the state become RUNSTATE_blocked. In KVM this means that even when the vCPU exits the kvm_run loop, the state remains RUNSTATE_running. The VMM can explicitly set the vCPU to RUNSTATE_blocked by using the KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT attribute, and can also use KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST to retrospectively add a given amount of time to the blocked state and subtract it from the running state. The state_entry_time corresponds to get_kvmclock_ns() at the time the vCPU entered the current state, and the total times of all four states should always add up to state_entry_time. Co-developed-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Message-Id: <20210301125309.874953-2-dwmw2@infradead.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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Kai Huang
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7d2cdad0da |
KVM: Documentation: Fix index for KVM_CAP_PPC_DAWR1
It should be 7.23 instead of 7.22, which has already been taken by KVM_CAP_X86_BUS_LOCK_EXIT. Signed-off-by: Kai Huang <kai.huang@intel.com> Message-Id: <20210226094832.380394-1-kai.huang@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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Joseph Qi
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4168a8d27e |
block/bfq: update comments and default value in docs for fifo_expire
Correct the comments since bfq_fifo_expire[0] is for async request, while bfq_fifo_expire[1] is for sync request. Also update docs, according the source code, the default fifo_expire_async is 250ms, and fifo_expire_sync is 125ms. Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com> Acked-by: Paolo Valente <paolo.valente@linaro.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Rob Herring
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b5a95bb188 |
dt-bindings: media: Use graph and video-interfaces schemas, round 2
A couple of media schemas got applied without using or incorrectly using the video-interfaces.yaml and graph.yaml schemas. Fix them up before we have more copy-n-paste errors. Fixes: |
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Linus Torvalds
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03dc748bf1 |
More new code for 5.12:
- Restore a disused sysctl control knob that was inadvertently dropped
during the merge window to avoid fstests regressions.
- Don't speculatively release freed blocks from the busy list until
we're actually allocating them, which fixes a rare log recovery
regression.
- Don't nest transactions when scanning for free space.
- Add an idiot^Wmaintainer light to detect nested transactions. ;)
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Merge tag 'xfs-5.12-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull more xfs updates from Darrick Wong:
"The most notable fix here prevents premature reuse of freed metadata
blocks, and adding the ability to detect accidental nested
transactions, which are not allowed here.
- Restore a disused sysctl control knob that was inadvertently
dropped during the merge window to avoid fstests regressions.
- Don't speculatively release freed blocks from the busy list until
we're actually allocating them, which fixes a rare log recovery
regression.
- Don't nest transactions when scanning for free space.
- Add an idiot^Wmaintainer light to detect nested transactions. ;)"
* tag 'xfs-5.12-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: use current->journal_info for detecting transaction recursion
xfs: don't nest transactions when scanning for eofblocks
xfs: don't reuse busy extents on extent trim
xfs: restore speculative_cow_prealloc_lifetime sysctl
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Linus Torvalds
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5ceabb6078 |
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro: "Assorted stuff pile - no common topic here" * 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: whack-a-mole: don't open-code iminor/imajor 9p: fix misuse of sscanf() in v9fs_stat2inode() audit_alloc_mark(): don't open-code ERR_CAST() fs/inode.c: make inode_init_always() initialize i_ino to 0 vfs: don't unnecessarily clone write access for writable fds |
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Linus Torvalds
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3fb6d0e00e |
A handful of late-arriving documentation fixes, nothing all that notable.
-----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAmA5Qu8PHGNvcmJldEBs d24ubmV0AAoJEBdDWhNsDH5Yiz0H/jTF+JcYstvGINx7jLZH4j9Pa4b/IZ3RO5uR OpjkzhTNangk2pSS4nuoQGjDRz1miBRaY1yE923Wxk1T1Nk+DA6aYJbVTqpn962S Z5IyQWzMIHFTAhSle0GeuTBk9Qx46ONhBJH1qsHCraAUtsQrxSUoF95ZftKD54gz Eg+eFQscHen9on2ZlqypauZebVbAa3zq1JCyohK5URiXLXpNq7ASCcOZ6v1OJb76 thgxOQgb1/TQ+ZNEeRs8Bv5g6kcTlWhapIrnsYPrmCEYaj2ghvGbbSlWyAmJRPqT PH+ucFCyjZqGcPmM5zerhVI+scQOLAJigAQa/B6HhRfmCyI1kkE= =ZKHc -----END PGP SIGNATURE----- Merge tag 'docs-5.12-2' of git://git.lwn.net/linux Pull documentation fixes from Jonathan Corbet: "A handful of late-arriving documentation fixes, nothing all that notable" * tag 'docs-5.12-2' of git://git.lwn.net/linux: docs: proc.rst: fix indentation warning Documentation: cgroup-v2: fix path to example BPF program docs: powerpc: Fix tables in syscall64-abi.rst Documentation: features: refresh feature list Documentation: features: remove c6x references docs: ABI: testing: ima_policy: Fixed missing bracket Fix unaesthetic indentation scripts: kernel-doc: fix array element capture in pointer-to-func parsing doc: use KCFLAGS instead of EXTRA_CFLAGS to pass flags from command line Documentation: proc.rst: add more about the 6 fields in loadavg |
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Linus Torvalds
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c19798af2e |
cifs/smb3 fixes including improvements to mode bit conversion when using cifsacl mount option, new mount options for controlling attribute caching, improvements to crediting and reconnect, improved debugging
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAmA4bocACgkQiiy9cAdy T1HuMwv/bmZ53ilDwhCph/UKoLJm/bRyvCp+GBECtLLS/C/4qz5IBLpPPr2yhOyH gmkeCZZWhj0nzGAYxhVDAdBz9IPEA7bae503IaOuk5uXaCXC8htsq/Cd7qpJmHlf 5vCdBTmHBiUt02dUcZ9A3bm855xJLEINHH9YdJM157ysqLgttIibLQB0F/gJ49DR QIIdq7sZNJXcTgRsUzJZNnrWLDi2oVIoUlq5M6d8ypmZC0ArPNfrSafjW6h5rqpj UYBwtUDNwQiS0lgwR4mji4PCen0GGwMFtyVDOpdJLJq3fO995yse2BRk0BFHVH1i xfAskQjkxAHEcfzQC1cM4ouT/WYu8nHaLK1vp/1lVr93mo8KqSX+SW/bLsXfpQkm w//xMy94HdM2pgyM6J1pYnKPb7s/DG19RYPktQ5oYn0fR5qYlqALAmd02JRjO3xV cbjbmWXXzFFsFJc5MJmM6wVLJzRb4a50SN1W37aHNXWi8ktpsaNzz33LGw1pF2OT K6P2DqJe =RQo/ -----END PGP SIGNATURE----- Merge tag '5.12-smb3-part1' of git://git.samba.org/sfrench/cifs-2.6 Pull cifs updates from Steve French: - improvements to mode bit conversion, chmod and chown when using cifsacl mount option - two new mount options for controlling attribute caching - improvements to crediting and reconnect, improved debugging - reconnect fix - add SMB3.1.1 dialect to default dialects for vers=3 * tag '5.12-smb3-part1' of git://git.samba.org/sfrench/cifs-2.6: (27 commits) cifs: update internal version number cifs: use discard iterator to discard unneeded network data more efficiently cifs: introduce helper for finding referral server to improve DFS target resolution cifs: check all path components in resolved dfs target cifs: fix DFS failover cifs: fix nodfs mount option cifs: fix handling of escaped ',' in the password mount argument cifs: Add new parameter "acregmax" for distinct file and directory metadata timeout cifs: convert revalidate of directories to using directory metadata cache timeout cifs: Add new mount parameter "acdirmax" to allow caching directory metadata cifs: If a corrupted DACL is returned by the server, bail out. cifs: minor simplification to smb2_is_network_name_deleted TCON Reconnect during STATUS_NETWORK_NAME_DELETED cifs: cleanup a few le16 vs. le32 uses in cifsacl.c cifs: Change SIDs in ACEs while transferring file ownership. cifs: Retain old ACEs when converting between mode bits and ACL. cifs: Fix cifsacl ACE mask for group and others. cifs: clarify hostname vs ip address in /proc/fs/cifs/DebugData cifs: change confusing field serverName (to ip_addr) cifs: Fix inconsistent IS_ERR and PTR_ERR ... |
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Linus Torvalds
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fecfd01539 |
Updates for 5.12-rc1. Besides usual fixes and new drivers, we are
changing CLASS_FLASH to return success to make it easier to work with
V4L2 stuff disabled, and we are getting rid of enum that should have
been plain integer long time ago. I'm slightly nervous about potential
warnings, but it needed to be fixed at some point.
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Merge tag 'leds-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"Besides the usual fixes and new drivers, we are changing CLASS_FLASH
to return success to make it easier to work with V4L2 stuff disabled,
and we are getting rid of enum that should have been plain integer
long time ago. I'm slightly nervous about potential warnings, but it
needed to be fixed at some point"
* tag 'leds-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: lp50xx: Get rid of redundant explicit casting
leds: lp50xx: Update headers block to reflect reality
leds: lp50xx: Get rid of redundant check in lp50xx_enable_disable()
leds: lp50xx: Reduce level of dereferences
leds: lp50xx: Switch to new style i2c-driver probe function
leds: lp50xx: Don't spam logs when probe is deferred
leds: apu: extend support for PC Engines APU1 with newer firmware
leds: flash: Fix multicolor no-ops registration by return 0
leds: flash: Add flash registration with undefined CONFIG_LEDS_CLASS_FLASH
leds: lgm: Add LED controller driver for LGM SoC
dt-bindings: leds: Add bindings for Intel LGM SoC
leds: led-core: Get rid of enum led_brightness
leds: gpio: Set max brightness to 1
leds: lm3533: Switch to using the new API kobj_to_dev()
leds: ss4200: simplify the return expression of register_nasgpio_led()
leds: Use DEVICE_ATTR_{RW, RO, WO} macros
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Linus Torvalds
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8b83369ddc |
RISC-V Patches for the 5.12 Merge Window
I have a handful of new RISC-V related patches for this merge window:
* A check to ensure drivers are properly using uaccess. This isn't
manifesting with any of the drivers I'm currently using, but may catch
errors in new drivers.
* Some preliminary support for the FU740, along with the HiFive
Unleashed it will appear on.
* NUMA support for RISC-V, which involves making the arm64 code generic.
* Support for kasan on the vmalloc region.
* A handful of new drivers for the Kendryte K210, along with the DT
plumbing required to boot on a handful of K210-based boards.
* Support for allocating ASIDs.
* Preliminary support for kernels larger than 128MiB.
* Various other improvements to our KASAN support, including the
utilization of huge pages when allocating the KASAN regions.
We may have already found a bug with the KASAN_VMALLOC code, but it's
passing my tests. There's a fix in the works, but that will probably
miss the merge window.
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Merge tag 'riscv-for-linus-5.12-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
"A handful of new RISC-V related patches for this merge window:
- A check to ensure drivers are properly using uaccess. This isn't
manifesting with any of the drivers I'm currently using, but may
catch errors in new drivers.
- Some preliminary support for the FU740, along with the HiFive
Unleashed it will appear on.
- NUMA support for RISC-V, which involves making the arm64 code
generic.
- Support for kasan on the vmalloc region.
- A handful of new drivers for the Kendryte K210, along with the DT
plumbing required to boot on a handful of K210-based boards.
- Support for allocating ASIDs.
- Preliminary support for kernels larger than 128MiB.
- Various other improvements to our KASAN support, including the
utilization of huge pages when allocating the KASAN regions.
We may have already found a bug with the KASAN_VMALLOC code, but it's
passing my tests. There's a fix in the works, but that will probably
miss the merge window.
* tag 'riscv-for-linus-5.12-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (75 commits)
riscv: Improve kasan population by using hugepages when possible
riscv: Improve kasan population function
riscv: Use KASAN_SHADOW_INIT define for kasan memory initialization
riscv: Improve kasan definitions
riscv: Get rid of MAX_EARLY_MAPPING_SIZE
soc: canaan: Sort the Makefile alphabetically
riscv: Disable KSAN_SANITIZE for vDSO
riscv: Remove unnecessary declaration
riscv: Add Canaan Kendryte K210 SD card defconfig
riscv: Update Canaan Kendryte K210 defconfig
riscv: Add Kendryte KD233 board device tree
riscv: Add SiPeed MAIXDUINO board device tree
riscv: Add SiPeed MAIX GO board device tree
riscv: Add SiPeed MAIX DOCK board device tree
riscv: Add SiPeed MAIX BiT board device tree
riscv: Update Canaan Kendryte K210 device tree
dt-bindings: add resets property to dw-apb-timer
dt-bindings: fix sifive gpio properties
dt-bindings: update sifive uart compatible string
dt-bindings: update sifive clint compatible string
...
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Linus Torvalds
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5c2e7a0af2 |
xen: branch for v5.12-rc1
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCYDjnxwAKCRCAXGG7T9hj vlq2AP9AljV5qAlSBkwtfi9awxs8GXpIpyu/NgC/TKkq4NZQcAD/Xpa6qrB7mwPD K810NcXsaPmvJiUtkKDIQ5vGHqyaKAE= =E+GX -----END PGP SIGNATURE----- Merge tag 'for-linus-5.12b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull more xen updates from Juergen Gross: - A small series for Xen event channels adding some sysfs nodes for per pv-device settings and statistics, and two fixes of theoretical problems. - two minor fixes (one for an unlikely error path, one for a comment). * tag 'for-linus-5.12b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen-front-pgdir-shbuf: don't record wrong grant handle upon error xen: Replace lkml.org links with lore xen/evtchn: use READ/WRITE_ONCE() for accessing ring indices xen/evtchn: use smp barriers for user event ring xen/events: add per-xenbus device event statistics and settings |
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Linus Torvalds
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d94d14008e |
x86:
- take into account HVA before retrying on MMU notifier race - fixes for nested AMD guests without NPT - allow INVPCID in guest without PCID - disable PML in hardware when not in use - MMU code cleanups -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmA3eMQUHHBib256aW5p QHJlZGhhdC5jb20ACgkQv/vSX3jHroP6TQf5ARpUyq3oo+13albwg+zNca6hzR8i Vl7dpoR3bSJCN3sTYFnlL9eXw5TxgeUL2nqKqma6ddZDNDEBLT2Bq8rcFkbi4pUf n7av76EEq74HW/jlUhKVug7Q5Dm5DiKC6BOH3RVuKHbr6iZseyF3jXZSX0Ppf0yF gvoy6cGyMW60NVLN5tuGeOjVQ1fxziE0SqB90fXuiWgZ5rzIBfbqJV7EOOZsGO67 /LHSaEpvKutsc2a+Hx76yQNJjAbb2/O+4Bo5/RqfdqS5tRLGBzYggdJjLvAPvd6P pTNtDCnErvBZQfMedEQyHYuBL2Ca59fOp6i/ekOM2I+m7816+kSkdTMt2g== =iMHY -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull more KVM updates from Paolo Bonzini: "x86: - take into account HVA before retrying on MMU notifier race - fixes for nested AMD guests without NPT - allow INVPCID in guest without PCID - disable PML in hardware when not in use - MMU code cleanups: * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (28 commits) KVM: SVM: Fix nested VM-Exit on #GP interception handling KVM: vmx/pmu: Fix dummy check if lbr_desc->event is created KVM: x86/mmu: Consider the hva in mmu_notifier retry KVM: x86/mmu: Skip mmu_notifier check when handling MMIO page fault KVM: Documentation: rectify rst markup in KVM_GET_SUPPORTED_HV_CPUID KVM: nSVM: prepare guest save area while is_guest_mode is true KVM: x86/mmu: Remove a variety of unnecessary exports KVM: x86: Fold "write-protect large" use case into generic write-protect KVM: x86/mmu: Don't set dirty bits when disabling dirty logging w/ PML KVM: VMX: Dynamically enable/disable PML based on memslot dirty logging KVM: x86: Further clarify the logic and comments for toggling log dirty KVM: x86: Move MMU's PML logic to common code KVM: x86/mmu: Make dirty log size hook (PML) a value, not a function KVM: x86/mmu: Expand on the comment in kvm_vcpu_ad_need_write_protect() KVM: nVMX: Disable PML in hardware when running L2 KVM: x86/mmu: Consult max mapping level when zapping collapsible SPTEs KVM: x86/mmu: Pass the memslot to the rmap callbacks KVM: x86/mmu: Split out max mapping level calculation to helper KVM: x86/mmu: Expand collapsible SPTE zap for TDP MMU to ZONE_DEVICE and HugeTLB pages KVM: nVMX: no need to undo inject_page_fault change on nested vmexit ... |
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Linus Torvalds
|
245137cdf0 |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
"118 patches:
- The rest of MM.
Includes kfence - another runtime memory validator. Not as thorough
as KASAN, but it has unmeasurable overhead and is intended to be
usable in production builds.
- Everything else
Subsystems affected by this patch series: alpha, procfs, sysctl,
misc, core-kernel, MAINTAINERS, lib, bitops, checkpatch, init,
coredump, seq_file, gdb, ubsan, initramfs, and mm (thp, cma,
vmstat, memory-hotplug, mlock, rmap, zswap, zsmalloc, cleanups,
kfence, kasan2, and pagemap2)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits)
MIPS: make userspace mapping young by default
initramfs: panic with memory information
ubsan: remove overflow checks
kgdb: fix to kill breakpoints on initmem after boot
scripts/gdb: fix list_for_each
x86: fix seq_file iteration for pat/memtype.c
seq_file: document how per-entry resources are managed.
fs/coredump: use kmap_local_page()
init/Kconfig: fix a typo in CC_VERSION_TEXT help text
init: clean up early_param_on_off() macro
init/version.c: remove Version_<LINUX_VERSION_CODE> symbol
checkpatch: do not apply "initialise globals to 0" check to BPF progs
checkpatch: don't warn about colon termination in linker scripts
checkpatch: add kmalloc_array_node to unnecessary OOM message check
checkpatch: add warning for avoiding .L prefix symbols in assembly files
checkpatch: improve TYPECAST_INT_CONSTANT test message
checkpatch: prefer ftrace over function entry/exit printks
checkpatch: trivial style fixes
checkpatch: ignore warning designated initializers using NR_CPUS
checkpatch: improve blank line after declaration test
...
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NeilBrown
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b3656d8227 |
seq_file: document how per-entry resources are managed.
Patch series "Fix some seq_file users that were recently broken". A recent change to seq_file broke some users which were using seq_file in a non-"standard" way ... though the "standard" isn't documented, so they can be excused. The result is a possible leak - of memory in one case, of references to a 'transport' in the other. These three patches: 1/ document and explain the problem 2/ fix the problem user in x86 3/ fix the problem user in net/sctp This patch (of 3): Users of seq_file will sometimes find it convenient to take a resource, such as a lock or memory allocation, in the ->start or ->next operations. These are per-entry resources, distinct from per-session resources which are taken in ->start and released in ->stop. The preferred management of these is release the resource on the subsequent call to ->next or ->stop. However prior to Commit |
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Vijayanand Jitta
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e1fdc40334 |
lib: stackdepot: add support to disable stack depot
Add a kernel parameter stack_depot_disable to disable stack depot. So that stack hash table doesn't consume any memory when stack depot is disabled. The use case is CONFIG_PAGE_OWNER without page_owner=on. Without this patch, stackdepot will consume the memory for the hashtable. By default, it's 8M which is never trivial. With this option, in CONFIG_PAGE_OWNER configured system, page_owner=off, stack_depot_disable in kernel command line, we could save the wasted memory for the hashtable. [akpm@linux-foundation.org: fix CONFIG_STACKDEPOT=n build] Link: https://lkml.kernel.org/r/1611749198-24316-2-git-send-email-vjitta@codeaurora.org Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org> Signed-off-by: Vijayanand Jitta <vjitta@codeaurora.org> Cc: Alexander Potapenko <glider@google.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Yogesh Lal <ylal@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Miguel Ojeda
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c131bd0b54 |
treewide: Miguel has moved
Update contact info. Link: https://lkml.kernel.org/r/20210206162524.GA11520@kernel.org Signed-off-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Andrey Konovalov
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7169487bc2 |
kasan: clarify that only first bug is reported in HW_TAGS
Hwardware tag-based KASAN only reports the first found bug. After that MTE tag checking gets disabled. Clarify this in comments and documentation. Link: https://lkml.kernel.org/r/00383ba88a47c3f8342d12263c24bdf95527b07d.1612546384.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Branislav Rankov <Branislav.Rankov@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Kevin Brodsky <kevin.brodsky@arm.com> Cc: Peter Collingbourne <pcc@google.com> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Marco Elver
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35beccf092 |
kfence: report sensitive information based on no_hash_pointers
We cannot rely on CONFIG_DEBUG_KERNEL to decide if we're running a "debug kernel" where we can safely show potentially sensitive information in the kernel log. Instead, simply rely on the newly introduced "no_hash_pointers" to print unhashed kernel pointers, as well as decide if our reports can include other potentially sensitive information such as registers and corrupted bytes. Link: https://lkml.kernel.org/r/20210223082043.1972742-1-elver@google.com Signed-off-by: Marco Elver <elver@google.com> Cc: Timur Tabi <timur@kernel.org> Cc: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Jann Horn <jannh@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Marco Elver
|
bc8fbc5f30 |
kfence: add test suite
Add KFENCE test suite, testing various error detection scenarios. Makes use of KUnit for test organization. Since KFENCE's interface to obtain error reports is via the console, the test verifies that KFENCE outputs expected reports to the console. [elver@google.com: fix typo in test] Link: https://lkml.kernel.org/r/X9lHQExmHGvETxY4@elver.google.com [elver@google.com: show access type in report] Link: https://lkml.kernel.org/r/20210111091544.3287013-2-elver@google.com Link: https://lkml.kernel.org/r/20201103175841.3495947-9-elver@google.com Signed-off-by: Alexander Potapenko <glider@google.com> Signed-off-by: Marco Elver <elver@google.com> Reviewed-by: Dmitry Vyukov <dvyukov@google.com> Co-developed-by: Alexander Potapenko <glider@google.com> Reviewed-by: Jann Horn <jannh@google.com> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christopher Lameter <cl@linux.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Rientjes <rientjes@google.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Hillf Danton <hdanton@sina.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Joern Engel <joern@purestorage.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Kees Cook <keescook@chromium.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Paul E. McKenney <paulmck@kernel.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: SeongJae Park <sjpark@amazon.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Marco Elver
|
10efe55f88 |
kfence, Documentation: add KFENCE documentation
Add KFENCE documentation in dev-tools/kfence.rst, and add to index. [elver@google.com: add missing copyright header to documentation] Link: https://lkml.kernel.org/r/20210118092159.145934-4-elver@google.com Link: https://lkml.kernel.org/r/20201103175841.3495947-8-elver@google.com Signed-off-by: Alexander Potapenko <glider@google.com> Signed-off-by: Marco Elver <elver@google.com> Reviewed-by: Dmitry Vyukov <dvyukov@google.com> Co-developed-by: Alexander Potapenko <glider@google.com> Reviewed-by: Jann Horn <jannh@google.com> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christopher Lameter <cl@linux.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Rientjes <rientjes@google.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Hillf Danton <hdanton@sina.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Joern Engel <joern@purestorage.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Kees Cook <keescook@chromium.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Paul E. McKenney <paulmck@kernel.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: SeongJae Park <sjpark@amazon.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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David Hildenbrand
|
a89107c047 |
Documentation: sysfs/memory: clarify some memory block device properties
In commit
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David Hildenbrand
|
e9a2e48e87 |
drivers/base/memory: don't store phys_device in memory blocks
No need to store the value for each and every memory block, as we can easily query the value at runtime. Reshuffle the members to optimize the memory layout. Also, let's clarify what the interface once was used for and why it's legacy nowadays. "phys_device" was used on s390x in older versions of lsmem[2]/chmem[3], back when they were still part of s390x-tools. They were later replaced by the variants in linux-utils. For example, RHEL6 and RHEL7 contain lsmem/chmem from s390-utils. RHEL8 switched to versions from util-linux on s390x [4]. "phys_device" was added with sysfs support for memory hotplug in commit |
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Chenyi Qiang
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96564d7773 |
KVM: Documentation: rectify rst markup in kvm_run->flags
Commit
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Paolo Bonzini
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e2a0fcac6b |
Documentation: kvm: fix messy conversion from .txt to .rst
Building the documentation gives a warning that the KVM_PPC_RESIZE_HPT_PREPARE label is defined twice. The root cause is that the KVM_PPC_RESIZE_HPT_PREPARE API is present twice, the second being a mix of the prepare and commit APIs. Fix it. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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Linus Torvalds
|
2c87f7a38f |
pwm: Changes for v5.12-rc1
The ZTE ZX platform is being removed, so the PWM driver is no longer needed and removed as well. Other than that this contains a small set of fixes and cleanups across a couple of drivers. -----BEGIN PGP SIGNATURE----- iQJNBAABCAA3FiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmA38PQZHHRoaWVycnku cmVkaW5nQGdtYWlsLmNvbQAKCRDdI6zXfz6zoQuxD/91qtwYm1aJriKhEkQELoob tZooaurwulzJoyzACrUFa4+r6zsrsFdsHQZGuThp/GBVeEAZCTcFVzP6URCPdD9f phagpsws4W4GpCpQDTXt203LTEvwTPPO1VzQKXzxGjmftc1T3X8pehcr3HyiT/ym XNvqi0N9B19jGWAnXbTmcTIMbDrY6GI0W5xFGLgVUbsJXi7Ti6/UUbNnKfAd6C3I utGMLCYAg0DQpaD8tkQd+pMMBJfGtg47T+o6dUakIommViiIZvonMZyB7UZ4CaOn peUIUnWQaJf4XkEnaQa7qmpA0JLvAs50o0mQSVfgNx1Ob+XqS99oziwHmnw1FR8t QqIp/0mF45QzBr90rA0r85L+L9eTFq7YoRL7GsKIeaiOQgnf06BjB8tj2J/eoCMQ bo4hIbqdf0GcSY8CX4EWL11xhHTFvdgvpMeoiNhXnwi85W08Gp45P9uin2oebiN2 7yeq29CM8/JaqGqef0SN9ALoQh9TH999u7YHa5LFbknT0qjPT3GwYIP1cb92Q2VI iA+v3Rsi8hmHbfkLXb7/arBwORLcmLg8xJr8e/kjbLWgZzF3Rz8Ngfgcle6lK0WI aBFkvGQHWfDXD2WpV46Tw8IVYggBs0n/iLbhmYnRDymAs+08snZXXSya20iT0oH/ NpfZAXaXiPxz/who17MIcA== =Zxk+ -----END PGP SIGNATURE----- Merge tag 'pwm/for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "The ZTE ZX platform is being removed, so the PWM driver is no longer needed and removed as well. Other than that this contains a small set of fixes and cleanups across a couple of drivers" * tag 'pwm/for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: pwm: lpc18xx-sct: remove unneeded semicolon pwm: iqs620a: Correct a stale state variable pwm: iqs620a: Fix overflow and optimize calculations pwm: rockchip: Enable clock before calling clk_get_rate() pwm: rockchip: Eliminate potential race condition when probing pwm: rockchip: Replace "bus clk" with "PWM clk" pwm: rockchip: rockchip_pwm_probe(): Remove superfluous clk_unprepare() pwm: rockchip: Enable APB clock during register access while probing pwm: Remove ZTE ZX driver |
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Randy Dunlap
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f37a15ea8d |
docs: proc.rst: fix indentation warning
Fix indentation snafu in proc.rst as reported by Stephen.
next-20210219/Documentation/filesystems/proc.rst:697: WARNING: Unexpected indentation.
Fixes:
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Linus Torvalds
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fdce29602f |
drm fixes for 5.12-rc1 + msm-next
core:
- vblank fence timing improvements
dma-buf:
- improve error handling
ttm:
- memory leak fix
msm:
- a6xx speedbin support
- a508, a509, a512 support
- various a5xx fixes
- various dpu fixes
- qseed3lite support for sm8250
- dsi fix for msm8994
- mdp5 fix for framerate bug with cmd mode panels
- a6xx GMU OOB race fixes that were showing up in CI
- various addition and removal of semicolons
- gem submit fix for legacy userspace relocs path
amdgpu:
- Clang warning fix
- S0ix platform shutdown/poweroff fix
- Misc display fixes
i915:
- color format fix
- -Wuninitialised reenabled
- GVT ww locking, cmd parser fixes
atyfb:
- fix build
rockchip:
- AFBC modifier fix
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Merge tag 'drm-next-2021-02-26' of git://anongit.freedesktop.org/drm/drm
Pull more drm updates from Dave Airlie:
"This is mostly fixes but I missed msm-next pull last week. It's been
in drm-next.
Otherwise it's a selection of i915, amdgpu and misc fixes, one TTM
memory leak, nothing really major stands out otherwise.
core:
- vblank fence timing improvements
dma-buf:
- improve error handling
ttm:
- memory leak fix
msm:
- a6xx speedbin support
- a508, a509, a512 support
- various a5xx fixes
- various dpu fixes
- qseed3lite support for sm8250
- dsi fix for msm8994
- mdp5 fix for framerate bug with cmd mode panels
- a6xx GMU OOB race fixes that were showing up in CI
- various addition and removal of semicolons
- gem submit fix for legacy userspace relocs path
amdgpu:
- clang warning fix
- S0ix platform shutdown/poweroff fix
- misc display fixes
i915:
- color format fix
- -Wuninitialised reenabled
- GVT ww locking, cmd parser fixes
atyfb:
- fix build
rockchip:
- AFBC modifier fix"
* tag 'drm-next-2021-02-26' of git://anongit.freedesktop.org/drm/drm: (60 commits)
drm/panel: kd35t133: allow using non-continuous dsi clock
drm/rockchip: Require the YTR modifier for AFBC
drm/ttm: Fix a memory leak
drm/drm_vblank: set the dma-fence timestamp during send_vblank_event
dma-fence: allow signaling drivers to set fence timestamp
dma-buf: heaps: Rework heap allocation hooks to return struct dma_buf instead of fd
dma-buf: system_heap: Make sure to return an error if we abort
drm/amd/display: Fix system hang after multiple hotplugs (v3)
drm/amdgpu: fix shutdown and poweroff process failed with s0ix
drm/i915: Nuke INTEL_OUTPUT_FORMAT_INVALID
drm/i915: Enable -Wuninitialized
drm/amd/display: Remove Assert from dcn10_get_dig_frontend
drm/amd/display: Add vupdate_no_lock interrupts for DCN2.1
Revert "drm/amd/display: reuse current context instead of recreating one"
drm/amd/pm/swsmu: Avoid using structure_size uninitialized in smu_cmn_init_soft_gpu_metrics
fbdev: atyfb: add stubs for aty_{ld,st}_lcd()
drm/i915/gvt: Introduce per object locking in GVT scheduler.
drm/i915/gvt: Purge dev_priv->gt
drm/i915/gvt: Parse default state to update reg whitelist
dt-bindings: dp-connector: Drop maxItems from -supply
...
|
|
|
Antonio Terceiro
|
43c4f657c8 |
Documentation: cgroup-v2: fix path to example BPF program
This file has been moved into the "progs" subdirectory, together with all
test BPF programs.
Fixes:
|
|
|
Andrew Donnellan
|
36eaf08fc2 |
docs: powerpc: Fix tables in syscall64-abi.rst
Commit |
|
|
Linus Torvalds
|
268f77b525 |
Additional ACPI updates for v5.12-rc1
- Rearrange Kconfig handling of ACPI_PLATFORM_PROFILE, add
"balanced-performance" to the list of supported platform profiles
and fix up some file references in a comment (Maximilian Luz).
- Add support for parsing the ACPI Firmware Performance Data Table
(FPDT) and exposing the data from there via sysfs (Zhang Rui).
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Merge tag 'acpi-5.12-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These make additional changes to the platform profile interface merged
recently and add support for the FPDT ACPI table.
Specifics:
- Rearrange Kconfig handling of ACPI_PLATFORM_PROFILE, add
"balanced-performance" to the list of supported platform profiles
and fix up some file references in a comment (Maximilian Luz).
- Add support for parsing the ACPI Firmware Performance Data Table
(FPDT) and exposing the data from there via sysfs (Zhang Rui)"
* tag 'acpi-5.12-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: platform: Add balanced-performance platform profile
ACPI: platform: Fix file references in comment
ACPI: platform: Hide ACPI_PLATFORM_PROFILE option
ACPI: tables: introduce support for FPDT table
|
|
|
Arnd Bergmann
|
a910f43efd |
Documentation: features: refresh feature list
Run the update script to document the recent feature additions on riscv, mips and csky. Fixes: |
|
|
Arnd Bergmann
|
4f3c8320c7 |
Documentation: features: remove c6x references
The references to arch/c6x are obsolete now that the architecture is gone. Remove them. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20210225142841.3385428-1-arnd@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
|
|
Linus Torvalds
|
6fbd6cf85a |
Kbuild updates for v5.12
- Fix false-positive build warnings for ARCH=ia64 builds
- Optimize dictionary size for module compression with xz
- Check the compiler and linker versions in Kconfig
- Fix misuse of extra-y
- Support DWARF v5 debug info
- Clamp SUBLEVEL to 255 because stable releases 4.4.x and 4.9.x
exceeded the limit
- Add generic syscall{tbl,hdr}.sh for cleanups across arches
- Minor cleanups of genksyms
- Minor cleanups of Kconfig
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Merge tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Fix false-positive build warnings for ARCH=ia64 builds
- Optimize dictionary size for module compression with xz
- Check the compiler and linker versions in Kconfig
- Fix misuse of extra-y
- Support DWARF v5 debug info
- Clamp SUBLEVEL to 255 because stable releases 4.4.x and 4.9.x
exceeded the limit
- Add generic syscall{tbl,hdr}.sh for cleanups across arches
- Minor cleanups of genksyms
- Minor cleanups of Kconfig
* tag 'kbuild-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (38 commits)
initramfs: Remove redundant dependency of RD_ZSTD on BLK_DEV_INITRD
kbuild: remove deprecated 'always' and 'hostprogs-y/m'
kbuild: parse C= and M= before changing the working directory
kbuild: reuse this-makefile to define abs_srctree
kconfig: unify rule of config, menuconfig, nconfig, gconfig, xconfig
kconfig: omit --oldaskconfig option for 'make config'
kconfig: fix 'invalid option' for help option
kconfig: remove dead code in conf_askvalue()
kconfig: clean up nested if-conditionals in check_conf()
kconfig: Remove duplicate call to sym_get_string_value()
Makefile: Remove # characters from compiler string
Makefile: reuse CC_VERSION_TEXT
kbuild: check the minimum linker version in Kconfig
kbuild: remove ld-version macro
scripts: add generic syscallhdr.sh
scripts: add generic syscalltbl.sh
arch: syscalls: remove $(srctree)/ prefix from syscall tables
arch: syscalls: add missing FORCE and fix 'targets' to make if_changed work
gen_compile_commands: prune some directories
kbuild: simplify access to the kernel's version
...
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Rafael J. Wysocki
|
b11ffaeacd |
Merge branch 'acpi-tables'
* acpi-tables: ACPI: tables: introduce support for FPDT table |
|
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Linus Torvalds
|
5b47b10e8f |
pci-v5.12-changes
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Merge tag 'pci-v5.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Remove unnecessary locking around _OSC (Bjorn Helgaas)
- Clarify message about _OSC failure (Bjorn Helgaas)
- Remove notification of PCIe bandwidth changes (Bjorn Helgaas)
- Tidy checking of syscall user config accessors (Heiner Kallweit)
Resource management:
- Decline to resize resources if boot config must be preserved (Ard
Biesheuvel)
- Fix pci_register_io_range() memory leak (Geert Uytterhoeven)
Error handling (Keith Busch):
- Clear error status from the correct device
- Retain error recovery status so drivers can use it after reset
- Log the type of Port (Root or Switch Downstream) that we reset
- Always request a reset for Downstream Ports in frozen state
Endpoint framework and NTB (Kishon Vijay Abraham I):
- Make *_get_first_free_bar() take into account 64 bit BAR
- Add helper API to get the 'next' unreserved BAR
- Make *_free_bar() return error codes on failure
- Remove unused pci_epf_match_device()
- Add support to associate secondary EPC with EPF
- Add support in configfs to associate two EPCs with EPF
- Add pci_epc_ops to map MSI IRQ
- Add pci_epf_ops to expose function-specific attrs
- Allow user to create sub-directory of 'EPF Device' directory
- Implement ->msi_map_irq() ops for cadence
- Configure LM_EP_FUNC_CFG based on epc->function_num_map for cadence
- Add EP function driver to provide NTB functionality
- Add support for EPF PCI Non-Transparent Bridge
- Add specification for PCI NTB function device
- Add PCI endpoint NTB function user guide
- Add configfs binding documentation for pci-ntb endpoint function
Broadcom STB PCIe controller driver:
- Add support for BCM4908 and external PERST# signal controller
(Rafał Miłecki)
Cadence PCIe controller driver:
- Retrain Link to work around Gen2 training defect (Nadeem Athani)
- Fix merge botch in cdns_pcie_host_map_dma_ranges() (Krzysztof
Wilczyński)
Freescale Layerscape PCIe controller driver:
- Add LX2160A rev2 EP mode support (Hou Zhiqiang)
- Convert to builtin_platform_driver() (Michael Walle)
MediaTek PCIe controller driver:
- Fix OF node reference leak (Krzysztof Wilczyński)
Microchip PolarFlare PCIe controller driver:
- Add Microchip PolarFire PCIe controller driver (Daire McNamara)
Qualcomm PCIe controller driver:
- Use PHY_REFCLK_USE_PAD only for ipq8064 (Ansuel Smith)
- Add support for ddrss_sf_tbu clock for sm8250 (Dmitry Baryshkov)
Renesas R-Car PCIe controller driver:
- Drop PCIE_RCAR config option (Lad Prabhakar)
- Always allocate MSI addresses in 32bit space (Marek Vasut)
Rockchip PCIe controller driver:
- Add FriendlyARM NanoPi M4B DT binding (Chen-Yu Tsai)
- Make 'ep-gpios' DT property optional (Chen-Yu Tsai)
Synopsys DesignWare PCIe controller driver:
- Work around ECRC configuration hardware defect (Vidya Sagar)
- Drop support for config space in DT 'ranges' (Rob Herring)
- Change size to u64 for EP outbound iATU (Shradha Todi)
- Add upper limit address for outbound iATU (Shradha Todi)
- Make dw_pcie ops optional (Jisheng Zhang)
- Remove unnecessary dw_pcie_ops from al driver (Jisheng Zhang)
Xilinx Versal CPM PCIe controller driver:
- Fix OF node reference leak (Pan Bian)
Miscellaneous:
- Remove tango host controller driver (Arnd Bergmann)
- Remove IRQ handler & data together (altera-msi, brcmstb, dwc)
(Martin Kaiser)
- Fix xgene-msi race in installing chained IRQ handler (Martin
Kaiser)
- Apply CONFIG_PCI_DEBUG to entire drivers/pci hierarchy (Junhao He)
- Fix pci-bridge-emul array overruns (Russell King)
- Remove obsolete uses of WARN_ON(in_interrupt()) (Sebastian Andrzej
Siewior)"
* tag 'pci-v5.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (69 commits)
PCI: qcom: Use PHY_REFCLK_USE_PAD only for ipq8064
PCI: qcom: Add support for ddrss_sf_tbu clock
dt-bindings: PCI: qcom: Document ddrss_sf_tbu clock for sm8250
PCI: al: Remove useless dw_pcie_ops
PCI: dwc: Don't assume the ops in dw_pcie always exist
PCI: dwc: Add upper limit address for outbound iATU
PCI: dwc: Change size to u64 for EP outbound iATU
PCI: dwc: Drop support for config space in 'ranges'
PCI: layerscape: Convert to builtin_platform_driver()
PCI: layerscape: Add LX2160A rev2 EP mode support
dt-bindings: PCI: layerscape: Add LX2160A rev2 compatible strings
PCI: dwc: Work around ECRC configuration issue
PCI/portdrv: Report reset for frozen channel
PCI/AER: Specify the type of Port that was reset
PCI/ERR: Retain status from error notification
PCI/AER: Clear AER status from Root Port when resetting Downstream Port
PCI/ERR: Clear status of the reporting device
dt-bindings: arm: rockchip: Add FriendlyARM NanoPi M4B
PCI: rockchip: Make 'ep-gpios' DT property optional
Documentation: PCI: Add PCI endpoint NTB function user guide
...
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Linus Torvalds
|
4c48faba5b |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton: "A few small subsystems and some of MM. 172 patches. Subsystems affected by this patch series: hexagon, scripts, ntfs, ocfs2, vfs, and mm (slab-generic, slab, slub, debug, pagecache, swap, memcg, pagemap, mprotect, mremap, page-reporting, vmalloc, kasan, pagealloc, memory-failure, hugetlb, vmscan, z3fold, compaction, mempolicy, oom-kill, hugetlbfs, and migration)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (172 commits) mm/migrate: remove unneeded semicolons hugetlbfs: remove unneeded return value of hugetlb_vmtruncate() hugetlbfs: fix some comment typos hugetlbfs: correct some obsolete comments about inode i_mutex hugetlbfs: make hugepage size conversion more readable hugetlbfs: remove meaningless variable avoid_reserve hugetlbfs: correct obsolete function name in hugetlbfs_read_iter() hugetlbfs: use helper macro default_hstate in init_hugetlbfs_fs hugetlbfs: remove useless BUG_ON(!inode) in hugetlbfs_setattr() hugetlbfs: remove special hugetlbfs_set_page_dirty() mm/hugetlb: change hugetlb_reserve_pages() to type bool mm, oom: fix a comment in dump_task() mm/mempolicy: use helper range_in_vma() in queue_pages_test_walk() numa balancing: migrate on fault among multiple bound nodes mm, compaction: make fast_isolate_freepages() stay within zone mm/compaction: fix misbehaviors of fast_find_migrateblock() mm/compaction: correct deferral logic for proactive compaction mm/compaction: remove duplicated VM_BUG_ON_PAGE !PageLocked mm/compaction: remove rcu_read_lock during page compaction z3fold: simplify the zhdr initialization code in init_z3fold_page() ... |
|
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Dave Hansen
|
519983645a |
mm/vmscan: restore zone_reclaim_mode ABI
I went to go add a new RECLAIM_* mode for the zone_reclaim_mode sysctl.
Like a good kernel developer, I also went to go update the
documentation. I noticed that the bits in the documentation didn't
match the bits in the #defines.
The VM never explicitly checks the RECLAIM_ZONE bit. The bit is,
however implicitly checked when checking 'node_reclaim_mode==0'. The
RECLAIM_ZONE #define was removed in a cleanup. That, by itself is fine.
But, when the bit was removed (bit 0) the _other_ bit locations also got
changed. That's not OK because the bit values are documented to mean
one specific thing. Users surely do not expect the meaning to change
from kernel to kernel.
The end result is that if someone had a script that did:
sysctl vm.zone_reclaim_mode=1
it would have gone from enabling node reclaim for clean unmapped pages
to writing out pages during node reclaim after the commit in question.
That's not great.
Put the bits back the way they were and add a comment so something like
this is a bit harder to do again. Update the documentation to make it
clear that the first bit is ignored.
Link: https://lkml.kernel.org/r/20210219172555.FF0CDF23@viggo.jf.intel.com
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Fixes:
|
|
|
Matthew Wilcox (Oracle)
|
3b2ebeaf98 |
mm/gfp: add kernel-doc for gfp_t
The generated html will link to the definition of the gfp_t automatically once we define it. Move the one-paragraph overview of GFP flags from the documentation directory into gfp.h and pull gfp.h into the documentation. This generates warnings with clang (https://lkml.kernel.org/r/20210219195509.GA59987@24bbad8f3778), so use a #if 0 to hide it from the compiler for now. Link: https://lkml.kernel.org/r/20210215204909.3824509-1-willy@infradead.org Link: https://lkml.kernel.org/r/20210220003049.GZ2858050@casper.infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Andrey Konovalov
|
5d92bdffd2 |
kasan: rename CONFIG_TEST_KASAN_MODULE
Rename CONFIG_TEST_KASAN_MODULE to CONFIG_KASAN_MODULE_TEST. This naming is more consistent with the existing CONFIG_KASAN_KUNIT_TEST. Link: https://linux-review.googlesource.com/id/Id347dfa5fe8788b7a1a189863e039f409da0ae5f Link: https://lkml.kernel.org/r/f08250246683981bcf8a094fbba7c361995624d2.1610733117.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Reviewed-by: Marco Elver <elver@google.com> Reviewed-by: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Branislav Rankov <Branislav.Rankov@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Kevin Brodsky <kevin.brodsky@arm.com> Cc: Peter Collingbourne <pcc@google.com> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Andrey Konovalov
|
4062c24598 |
kasan: clarify HW_TAGS impact on TBI
Mention in the documentation that enabling CONFIG_KASAN_HW_TAGS always results in in-kernel TBI (Top Byte Ignore) being enabled. Also do a few minor documentation cleanups. Link: https://linux-review.googlesource.com/id/Iba2a6697e3c6304cb53f89ec61dedc77fa29e3ae Link: https://lkml.kernel.org/r/3b4ea6875bb14d312092ad14ac55cb456c83c08e.1610733117.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Reviewed-by: Marco Elver <elver@google.com> Reviewed-by: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Branislav Rankov <Branislav.Rankov@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Kevin Brodsky <kevin.brodsky@arm.com> Cc: Peter Collingbourne <pcc@google.com> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Shakeel Butt
|
b603894248 |
mm: memcg: add swapcache stat for memcg v2
This patch adds swapcache stat for the cgroup v2. The swapcache represents the memory that is accounted against both the memory and the swap limit of the cgroup. The main motivation behind exposing the swapcache stat is for enabling users to gracefully migrate from cgroup v1's memsw counter to cgroup v2's memory and swap counters. Cgroup v1's memsw limit allows users to limit the memory+swap usage of a workload but without control on the exact proportion of memory and swap. Cgroup v2 provides separate limits for memory and swap which enables more control on the exact usage of memory and swap individually for the workload. With some little subtleties, the v1's memsw limit can be switched with the sum of the v2's memory and swap limits. However the alternative for memsw usage is not yet available in cgroup v2. Exposing per-cgroup swapcache stat enables that alternative. Adding the memory usage and swap usage and subtracting the swapcache will approximate the memsw usage. This will help in the transparent migration of the workloads depending on memsw usage and limit to v2' memory and swap counters. The reasons these applications are still interested in this approximate memsw usage are: (1) these applications are not really interested in two separate memory and swap usage metrics. A single usage metric is more simple to use and reason about for them. (2) The memsw usage metric hides the underlying system's swap setup from the applications. Applications with multiple instances running in a datacenter with heterogeneous systems (some have swap and some don't) will keep seeing a consistent view of their usage. [akpm@linux-foundation.org: fix CONFIG_SWAP=n build] Link: https://lkml.kernel.org/r/20210108155813.2914586-3-shakeelb@google.com Signed-off-by: Shakeel Butt <shakeelb@google.com> Acked-by: Michal Hocko <mhocko@suse.com> Reviewed-by: Roman Gushchin <guro@fb.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Muchun Song <songmuchun@bytedance.com> Cc: Yang Shi <shy828301@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Anshuman Khandual
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bb5c47ced4 |
mm/debug_vm_pgtable/basic: add validation for dirtiness after write protect
Patch series "mm/debug_vm_pgtable: Some minor updates", v3. This series contains some cleanups and new test suggestions from Catalin from an earlier discussion. https://lore.kernel.org/linux-mm/20201123142237.GF17833@gaia/ This patch (of 2): This adds validation tests for dirtiness after write protect conversion for each page table level. There are two new separate test types involved here. The first test ensures that a given page table entry does not become dirty after pxx_wrprotect(). This is important for platforms like arm64 which transfers and drops the hardware dirty bit (!PTE_RDONLY) to the software dirty bit while making it an write protected one. This test ensures that no fresh page table entry could be created with hardware dirty bit set. The second test ensures that a given page table entry always preserve the dirty information across pxx_wrprotect(). This adds two previously missing PUD level basic tests and while here fixes pxx_wrprotect() related typos in the documentation file. Link: https://lkml.kernel.org/r/1611137241-26220-1-git-send-email-anshuman.khandual@arm.com Link: https://lkml.kernel.org/r/1611137241-26220-2-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Suggested-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> [s390] Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Steven Price <steven.price@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
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fe2cce15d6 |
mm, slub: remove slub_memcg_sysfs boot param and CONFIG_SLUB_MEMCG_SYSFS_ON
The boot param and config determine the value of memcg_sysfs_enabled,
which is unused since commit
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Bjorn Helgaas
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ce96d1d7b8 |
Merge branch 'pci/rockchip'
- Make 'ep-gpios' DT property optional (Chen-Yu Tsai) - Add FriendlyARM NanoPi M4B to rockchip DT binding (Chen-Yu Tsai) * pci/rockchip: dt-bindings: arm: rockchip: Add FriendlyARM NanoPi M4B PCI: rockchip: Make 'ep-gpios' DT property optional |
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Bjorn Helgaas
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9da5366938 |
Merge branch 'pci/qcom'
- Add support for SM8250 PCIe SF TBU clock (Dmitry Baryshkov) - Use PHY_REFCLK_USE_PAD only for qcom ipq8064 (Ansuel Smith) * pci/qcom: PCI: qcom: Use PHY_REFCLK_USE_PAD only for ipq8064 PCI: qcom: Add support for ddrss_sf_tbu clock dt-bindings: PCI: qcom: Document ddrss_sf_tbu clock for sm8250 |
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Bjorn Helgaas
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2ef38d7e2b |
Merge branch 'pci/ntb'
- Account for 64-bit BARs in pci_epc_get_first_free_bar() (Kishon Vijay Abraham I) - Add pci_epc_get_next_free_bar() helper (Kishon Vijay Abraham I) - Return error codes on failure of endpoint BAR interfaces (Kishon Vijay Abraham I) - Remove unused pci_epf_match_device() (Kishon Vijay Abraham I) - Add support for secondary endpoint controller to prepare for NTB endpoint functionality (Kishon Vijay Abraham I) - Add configfs support for secondary endpoint controller (Kishon Vijay Abraham I) - Add MSI address mapping ops for NTB doorbell support (Kishon Vijay Abraham I) - Add ops for endpoint function-specific attributes (Kishon Vijay Abraham I) - Allow configfs subdirectory for endpoint function configuration (Kishon Vijay Abraham I) - Implement cadence MSI address mapping ops (Kishon Vijay Abraham I) - Configure cadence LM_EP_FUNC_CFG based on epc->function_num_map (Kishon Vijay Abraham I) - Add endpoint-side driver to provide NTB functionality (Kishon Vijay Abraham I) - Add host-side driver for generic EPF NTB functionality (Kishon Vijay Abraham I) - Document NTB endpoint functionality (Kishon Vijay Abraham I) * pci/ntb: Documentation: PCI: Add PCI endpoint NTB function user guide Documentation: PCI: Add configfs binding documentation for pci-ntb endpoint function NTB: Add support for EPF PCI Non-Transparent Bridge PCI: Add TI J721E device to PCI IDs PCI: endpoint: Add EP function driver to provide NTB functionality PCI: cadence: Configure LM_EP_FUNC_CFG based on epc->function_num_map PCI: cadence: Implement ->msi_map_irq() ops PCI: endpoint: Allow user to create sub-directory of 'EPF Device' directory PCI: endpoint: Add pci_epf_ops to expose function-specific attrs PCI: endpoint: Add pci_epc_ops to map MSI IRQ PCI: endpoint: Add support in configfs to associate two EPCs with EPF PCI: endpoint: Add support to associate secondary EPC with EPF PCI: endpoint: Remove unused pci_epf_match_device() PCI: endpoint: Make *_free_bar() to return error codes on failure PCI: endpoint: Add helper API to get the 'next' unreserved BAR PCI: endpoint: Make *_get_first_free_bar() take into account 64 bit BAR Documentation: PCI: Add specification for the PCI NTB function device |