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The x86 Shadow stack feature includes a new type of memory called shadow
stack. This shadow stack memory has some unusual properties, which requires
some core mm changes to function properly.
One of these unusual properties is that shadow stack memory is writable,
but only in limited ways. These limits are applied via a specific PTE
bit combination. Nevertheless, the memory is writable, and core mm code
will need to apply the writable permissions in the typical paths that
call pte_mkwrite(). The goal is to make pte_mkwrite() take a VMA, so
that the x86 implementation of it can know whether to create regular
writable or shadow stack mappings.
But there are a couple of challenges to this. Modifying the signatures of
each arch pte_mkwrite() implementation would be error prone because some
are generated with macros and would need to be re-implemented. Also, some
pte_mkwrite() callers operate on kernel memory without a VMA.
So this can be done in a three step process. First pte_mkwrite() can be
renamed to pte_mkwrite_novma() in each arch, with a generic pte_mkwrite()
added that just calls pte_mkwrite_novma(). Next callers without a VMA can
be moved to pte_mkwrite_novma(). And lastly, pte_mkwrite() and all callers
can be changed to take/pass a VMA.
Start the process by renaming pte_mkwrite() to pte_mkwrite_novma() and
adding the pte_mkwrite() wrapper in linux/pgtable.h. Apply the same
pattern for pmd_mkwrite(). Since not all archs have a pmd_mkwrite_novma(),
create a new arch config HAS_HUGE_PAGE that can be used to tell if
pmd_mkwrite() should be defined. Otherwise in the !HAS_HUGE_PAGE cases the
compiler would not be able to find pmd_mkwrite_novma().
No functional change.
Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org>
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/lkml/CAHk-=wiZjSu7c9sFYZb3q04108stgHff2wfbokGCCgW7riz+8Q@mail.gmail.com/
Link: https://lore.kernel.org/all/20230613001108.3040476-2-rick.p.edgecombe%40intel.com
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Pull NTB updates from Jon Mason:
"Fixes for pci_clean_master, error handling in driver inits, and
various other issues/bugs"
* tag 'ntb-6.5' of https://github.com/jonmason/ntb:
ntb: hw: amd: Fix debugfs_create_dir error checking
ntb.rst: Fix copy and paste error
ntb_netdev: Fix module_init problem
ntb: intel: Remove redundant pci_clear_master
ntb: epf: Remove redundant pci_clear_master
ntb_hw_amd: Remove redundant pci_clear_master
ntb: idt: drop redundant pci_enable_pcie_error_reporting()
MAINTAINERS: git://github -> https://github.com for jonmason
NTB: EPF: fix possible memory leak in pci_vntb_probe()
NTB: ntb_tool: Add check for devm_kcalloc
NTB: ntb_transport: fix possible memory leak while device_register() fails
ntb: intel: Fix error handling in intel_ntb_pci_driver_init()
NTB: amd: Fix error handling in amd_ntb_pci_driver_init()
ntb: idt: Fix error handling in idt_pci_driver_init()
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
"16 hotfixes. Six are cc:stable and the remainder address post-6.4
issues"
The merge undoes the disabling of the CONFIG_PER_VMA_LOCK feature, since
it was all hopefully fixed in mainline.
* tag 'mm-hotfixes-stable-2023-07-08-10-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
lib: dhry: fix sleeping allocations inside non-preemptable section
kasan, slub: fix HW_TAGS zeroing with slub_debug
kasan: fix type cast in memory_is_poisoned_n
mailmap: add entries for Heiko Stuebner
mailmap: update manpage link
bootmem: remove the vmemmap pages from kmemleak in free_bootmem_page
MAINTAINERS: add linux-next info
mailmap: add Markus Schneider-Pargmann
writeback: account the number of pages written back
mm: call arch_swap_restore() from do_swap_page()
squashfs: fix cache race with migration
mm/hugetlb.c: fix a bug within a BUG(): inconsistent pte comparison
docs: update ocfs2-devel mailing list address
MAINTAINERS: update ocfs2-devel mailing list address
mm: disable CONFIG_PER_VMA_LOCK until its fixed
fork: lock VMAs of the parent process when forking
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Pull more SCSI updates from James Bottomley:
"A few late arriving patches that missed the initial pull request. It's
mostly bug fixes (the dt-bindings is a fix for the initial pull)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Remove unused function declaration
scsi: target: docs: Remove tcm_mod_builder.py
scsi: target: iblock: Quiet bool conversion warning with pr_preempt use
scsi: dt-bindings: ufs: qcom: Fix ICE phandle
scsi: core: Simplify scsi_cdl_check_cmd()
scsi: isci: Fix comment typo
scsi: smartpqi: Replace one-element arrays with flexible-array members
scsi: target: tcmu: Replace strlcpy() with strscpy()
scsi: ncr53c8xx: Replace strlcpy() with strscpy()
scsi: lpfc: Fix lpfc_name struct packing
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The ocfs2-devel mailing list has been migrated to the kernel.org
infrastructure, update all related documentation pointers to reflect the
change.
Link: https://lkml.kernel.org/r/20230628013437.47030-3-ailiop@suse.com
Signed-off-by: Anthony Iliopoulos <ailiop@suse.com>
Acked-by: Joseph Qi <jiangqi903@gmail.com>
Acked-by: Joel Becker <jlbec@evilplan.org>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mark@fasheh.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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It seems the text for the NTB MSI Test Client section was copied from the
NTB Tool Test Client, but was not updated for the new section. Corrects
the NTB MSI Test Client section text.
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
- A bunch of fixes/cleanups from the first part of the merge window,
mostly related to ACPI and vector as those were large
- Some documentation improvements, mostly related to the new code
- The "riscv,isa" DT key is deprecated
- Support for link-time dead code elimination
- Support for minor fault registration in userfaultd
- A handful of cleanups around CMO alternatives
* tag 'riscv-for-linus-6.5-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (23 commits)
riscv: mm: mark noncoherent_supported as __ro_after_init
riscv: mm: mark CBO relate initialization funcs as __init
riscv: errata: thead: only set cbom size & noncoherent during boot
riscv: Select HAVE_ARCH_USERFAULTFD_MINOR
RISC-V: Document the ISA string parsing rules for ACPI
risc-v: Fix order of IPI enablement vs RCU startup
mm: riscv: fix an unsafe pte read in huge_pte_alloc()
dt-bindings: riscv: deprecate riscv,isa
RISC-V: drop error print from riscv_hartid_to_cpuid()
riscv: Discard vector state on syscalls
riscv: move memblock_allow_resize() after linear mapping is ready
riscv: Enable ARCH_SUSPEND_POSSIBLE for s2idle
riscv: vdso: include vdso/vsyscall.h for vdso_data
selftests: Test RISC-V Vector's first-use handler
riscv: vector: clear V-reg in the first-use trap
riscv: vector: only enable interrupts in the first-use trap
RISC-V: Fix up some vector state related build failures
RISC-V: Document that V registers are clobbered on syscalls
riscv: disable HAVE_LD_DEAD_CODE_DATA_ELIMINATION for LLD
riscv: enable HAVE_LD_DEAD_CODE_DATA_ELIMINATION
...
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Pull mode documentation updates from Jonathan Corbet:
"A half-dozen late arriving docs patches. They are mostly fixes, but we
also have a kernel-doc tweak for enums and the long-overdue removal of
the outdated and redundant patch-submission comments at the top of the
MAINTAINERS file"
* tag 'docs-6.5-2' of git://git.lwn.net/linux:
scripts: kernel-doc: support private / public marking for enums
Documentation: KVM: SEV: add a missing backtick
Documentation: ACPI: fix typo in ssdt-overlays.rst
Fix documentation of panic_on_warn
docs: remove the tips on how to submit patches from MAINTAINERS
docs: fix typo in zh_TW and zh_CN translation
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We've had a ton of issues around the ISA string parsing rules elsewhere
in RISC-V, so let's at least be clear about what the rules are so we can
try and avoid more issues.
Link: https://lore.kernel.org/r/CAK9=C2Vy-4V9kgnga98tiC3TeHkR2LFPakyBbS8s_h3_Z=ieyQ@mail.gmail.com/
Link: https://lore.kernel.org/r/20230629031705.15575-1-palmer@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"New support:
- TI J721S2 CSI BCDMA support
Updates:
- Native HDMI support for dw edma driver
- ste dma40 updates for supporting proper SRAM handle in DT
- removal of dma device chancnt setting in drivers"
* tag 'dmaengine-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (28 commits)
dmaengine: sprd: Don't set chancnt
dmaengine: hidma: Don't set chancnt
dmaengine: plx_dma: Don't set chancnt
dmaengine: axi-dmac: Don't set chancnt
dmaengine: dw-axi-dmac: Don't set chancnt
dmaengine: qcom: bam_dma: allow omitting num-{channels,ees}
dmaengine: dw-edma: Add HDMA DebugFS support
dmaengine: dw-edma: Add support for native HDMA
dmaengine: dw-edma: Create a new dw_edma_core_ops structure to abstract controller operation
dmaengine: dw-edma: Rename dw_edma_core_ops structure to dw_edma_plat_ops
dmaengine: ste_dma40: use proper format string for resource_size_t
dmaengine: make QCOM_HIDMA depend on HAS_IOMEM
dmaengine: ste_dma40: fix typo in enum documentation
dmaengine: ste_dma40: use correct print specfier for resource_size_t
MAINTAINERS: Add myself as the DW eDMA driver reviewer
MAINTAINERS: Add Manivannan to DW eDMA driver maintainers list
MAINTAINERS: Demote Gustavo Pimentel to DW EDMA driver reviewer
dmaengine: ti: k3-udma: Add support for J721S2 CSI BCDMA instance
dt-bindings: dma: ti: Add J721S2 BCDMA
dmaengine: ti: k3-psil-j721s2: Add PSI-L thread map for main CPSW2G
...
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git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- add Xilinx Versal watchdog
- support Hygon FCH/SCH (Server Controller Hub)
- convert GPL notices to SPDX identifiers
- other improvements
* tag 'linux-watchdog-6.5-rc1' of git://www.linux-watchdog.org/linux-watchdog:
watchdog: sp5100_tco: support Hygon FCH/SCH (Server Controller Hub)
dt-bindings: watchdog: restrict node name suffixes
MAINTAINERS: Add support for Xilinx versal watchdog
watchdog: xilinx_wwdt: Add Versal window watchdog support
dt-bindings: watchdog: xlnx,versal-wwdt: Add versal watchdog
watchdog: ziirave_wdt: Switch i2c driver back to use .probe()
watchdog: ibmasr: Replace GPL license notice with SPDX identifier
watchdog: Convert GPL 2.0 notice to SPDX identifier
watchdog: loongson1_wdt: Add DT support
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git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"New Support:
- Debugfs support for phy core and mediatek driver
- Hisilicon inno-usb2-phy driver supporting Hi3798MV100
- Qualcomm SGMII SerDes PHY driver, SM6115 & QCM2290 QMP-USB support,
SA8775P USB PHY & USB3 UNI support, QUSB2 support for IPQ9574,
IPQ9574 USB3 PHY
UpdatesL
- Sparx5 serdes phy power optimzation
- cadence salvo usb properties and updates and torrent DP with PCIe &
USB support
- Yaml conversion for Broadcom kona USB bindings and MXS USB binding"
* tag 'phy-for-6.5_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (67 commits)
dt-bindings: phy: brcm,brcmstb-usb-phy: Fix error in "compatible" conditional schema
dt-bindings: phy: mixel,mipi-dsi-phy: Remove assigned-clock* properties
dt-bindings: phy: intel,combo-phy: restrict node name suffixes
dt-bindings: phy: qcom,usb-hs-phy: Add compatible
phy: tegra: xusb: check return value of devm_kzalloc()
phy: qcom: qmp-combo: fix Display Port PHY configuration for SM8550
phy: qcom: add the SGMII SerDes PHY driver
dt-bindings: phy: describe the Qualcomm SGMII PHY
phy: qualcomm: fix indentation in Makefile
phy: usb: suppress OC condition for 7439b2
phy: usb: Turn off phy when port is in suspend
phy: tegra: xusb: Clear the driver reference in usb-phy dev
dt-bindings: phy: mxs-usb-phy: add imx8ulp and imx8qm compatible
dt-bindings: phy: mxs-usb-phy: convert to DT schema format
dt-bindings: phy: qcom,qmp-usb: fix bindings error
dt-bindings: phy: qcom,qmp-ufs: fix the sc8180x regs
dt-bindings: phy: qcom,qmp-pcie: fix the sc8180x regs
phy: mediatek: tphy: add debugfs files
phy: core: add debugfs files
phy: fsl-imx8mp-usb: add support for phy tuning
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth, bpf and wireguard.
Current release - regressions:
- nvme-tcp: fix comma-related oops after sendpage changes
Current release - new code bugs:
- ptp: make max_phase_adjustment sysfs device attribute invisible
when not supported
Previous releases - regressions:
- sctp: fix potential deadlock on &net->sctp.addr_wq_lock
- mptcp:
- ensure subflow is unhashed before cleaning the backlog
- do not rely on implicit state check in mptcp_listen()
Previous releases - always broken:
- net: fix net_dev_start_xmit trace event vs skb_transport_offset()
- Bluetooth:
- fix use-bdaddr-property quirk
- L2CAP: fix multiple UaFs
- ISO: use hci_sync for setting CIG parameters
- hci_event: fix Set CIG Parameters error status handling
- hci_event: fix parsing of CIS Established Event
- MGMT: fix marking SCAN_RSP as not connectable
- wireguard: queuing: use saner cpu selection wrapping
- sched: act_ipt: various bug fixes for iptables <> TC interactions
- sched: act_pedit: add size check for TCA_PEDIT_PARMS_EX
- dsa: fixes for receiving PTP packets with 8021q and sja1105 tagging
- eth: sfc: fix null-deref in devlink port without MAE access
- eth: ibmvnic: do not reset dql stats on NON_FATAL err
Misc:
- xsk: honor SO_BINDTODEVICE on bind"
* tag 'net-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (70 commits)
nfp: clean mc addresses in application firmware when closing port
selftests: mptcp: pm_nl_ctl: fix 32-bit support
selftests: mptcp: depend on SYN_COOKIES
selftests: mptcp: userspace_pm: report errors with 'remove' tests
selftests: mptcp: userspace_pm: use correct server port
selftests: mptcp: sockopt: return error if wrong mark
selftests: mptcp: sockopt: use 'iptables-legacy' if available
selftests: mptcp: connect: fail if nft supposed to work
mptcp: do not rely on implicit state check in mptcp_listen()
mptcp: ensure subflow is unhashed before cleaning the backlog
s390/qeth: Fix vipa deletion
octeontx-af: fix hardware timestamp configuration
net: dsa: sja1105: always enable the send_meta options
net: dsa: tag_sja1105: fix MAC DA patching from meta frames
net: Replace strlcpy with strscpy
pptp: Fix fib lookup calls.
mlxsw: spectrum_router: Fix an IS_ERR() vs NULL check
net/sched: act_pedit: Add size check for TCA_PEDIT_PARMS_EX
xsk: Honor SO_BINDTODEVICE on bind
ptp: Make max_phase_adjustment sysfs device attribute invisible when not supported
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this cycle, we've mainly investigated the zoned block device
support along with patches such as correcting write pointers between
f2fs and storage, adding asynchronous zone reset flow, and managing
the number of open zones.
Other than them, f2fs adds another mount option, "errors=x" to specify
how to handle when it detects an unexpected behavior at runtime.
Enhancements:
- support 'errors=remount-ro|continue|panic' mount option
- enforce some inode flag policies
- allow .tmp compression given extensions
- add some ioctls to manage the f2fs compression
- improve looped node chain flow
- avoid issuing small-sized discard commands during checkpoint
- implement an asynchronous zone reset
Bug fixes:
- fix deadlock in xattr and inode page lock
- fix and add sanity check in some error paths
- fix to avoid NULL pointer dereference f2fs_write_end_io() along
with put_super
- set proper flags to quota files
- fix potential deadlock due to unpaired node_write lock use
- fix over-estimating free section during FG GC
- fix the wrong condition to determine atomic context
As usual, also there are a number of patches with code refactoring and
minor clean-ups"
* tag 'f2fs-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (46 commits)
f2fs: fix to do sanity check on direct node in truncate_dnode()
f2fs: only set release for file that has compressed data
f2fs: fix compile warning in f2fs_destroy_node_manager()
f2fs: fix error path handling in truncate_dnode()
f2fs: fix deadlock in i_xattr_sem and inode page lock
f2fs: remove unneeded page uptodate check/set
f2fs: update mtime and ctime in move file range method
f2fs: compress tmp files given extension
f2fs: refactor struct f2fs_attr macro
f2fs: convert to use sbi directly
f2fs: remove redundant assignment to variable err
f2fs: do not issue small discard commands during checkpoint
f2fs: check zone write pointer points to the end of zone
f2fs: add f2fs_ioc_get_compress_blocks
f2fs: cleanup MIN_INLINE_XATTR_SIZE
f2fs: add helper to check compression level
f2fs: set FMODE_CAN_ODIRECT instead of a dummy direct_IO method
f2fs: do more sanity check on inode
f2fs: compress: fix to check validity of i_compress_flag field
f2fs: add sanity compress level check for compressed file
...
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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"There's a little bit of everything in here: we've got various
improvements and cleanups to drivers, some fixes across the board and
a bit of new hardware support"
* tag 'pwm/for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (22 commits)
dt-bindings: pwm: convert pwm-bcm2835 bindings to YAML
pwm: Add Renesas RZ/G2L MTU3a PWM driver
pwm: mtk_disp: Fix the disable flow of disp_pwm
dt-bindings: pwm: restrict node name suffixes
pwm: pca9685: Switch i2c driver back to use .probe()
pwm: ab8500: Fix error code in probe()
MAINTAINERS: add pwm to PolarFire SoC entry
pwm: add microchip soft ip corePWM driver
pwm: sysfs: Do not apply state to already disabled PWMs
pwm: imx-tpm: force 'real_period' to be zero in suspend
pwm: meson: make full use of common clock framework
pwm: meson: don't use hdmi/video clock as mux parent
pwm: meson: switch to using struct clk_parent_data for mux parents
pwm: meson: remove not needed check in meson_pwm_calc
pwm: meson: fix handling of period/duty if greater than UINT_MAX
pwm: meson: modify and simplify calculation in meson_pwm_get_state
dt-bindings: pwm: Add R-Car V3U device tree bindings
dt-bindings: pwm: imx: add i.MX8QXP compatible
pwm: mediatek: Add support for MT7981
dt-bindings: pwm: mediatek: Add mediatek,mt7981 compatible
...
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull more devicetree updates from Rob Herring:
- Whitespace clean-ups in binding examples
- Restrict node name suffixes to "-[0-9]+" for cases of multiple
instances which don't have unit-addresses
- Convert brcm,kona-wdt and cdns,wdt-r1p2 watchdog bindings to DT
schema
* tag 'devicetree-for-6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: soc: qcom: stats: Update maintainer email
dt-bindings: cleanup DTS example whitespaces
dt-bindings: timestamp: restrict node name suffixes
dt-bindings: slimbus: restrict node name suffixes
dt-bindings: watchdog: restrict node name suffixes
dt-bindings: watchdog: brcm,kona-wdt: convert txt file to yaml
dt-bindings: watchdog: cdns,wdt-r1p2: Convert cadence watchdog to yaml
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- Stream handling and slave alert handling
- Qualcomm Soundwire v2.0.0 controller support
- Intel ACE2.x initial support and code reorganization
* tag 'soundwire-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: (55 commits)
soundwire: stream: Make master_list ordered to prevent deadlocks
soundwire: bus: Prevent lockdep asserts when stream has multiple buses
soundwire: qcom: fix storing port config out-of-bounds
soundwire: intel_ace2x: fix SND_SOC_SOF_HDA_MLINK dependency
soundwire: debugfs: Add missing SCP registers
soundwire: stream: Remove unnecessary gotos
soundwire: stream: Invert logic on runtime alloc flags
soundwire: stream: Remove unneeded checks for NULL bus
soundwire: bandwidth allocation: Remove pointless variable
soundwire: cadence: revisit parity injection
soundwire: intel/cadence: update hardware reset sequence
soundwire: intel_bus_common: enable interrupts last
soundwire: intel_bus_common: update error log
soundwire: amd: Improve error message in remove callback
soundwire: debugfs: fix unbalanced pm_runtime_put()
soundwire: qcom: fix unbalanced pm_runtime_put()
soundwire: qcom: set clk stop need reset flag at runtime
soundwire: qcom: add software workaround for bus clash interrupt assertion
soundwire: qcom: wait for fifo to be empty before suspend
soundwire: qcom: drop unused struct qcom_swrm_ctrl members
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Lots of improvement at atomisp driver, which is starting to look in
good shape
- Mediatek vcodec driver has gained support for av1 and hevc stateless
codecs
- New sensor driver: ov01a10
- verisilicon driver has gained AV1 entropy helpers
- tegra-video has gained support for Tegra20 parallel input
- dvb core has gained an extra property to better support DVB-S2X
- as usual, lots of cleanups, fixes and improvements on media drivers
* tag 'media/v6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (253 commits)
media: wl128x: fix a clang warning
media: dvb: mb86a20s: get rid of a clang-15 warning
media: cec: i2c: ch7322: also select REGMAP
media: add HAS_IOPORT dependencies
media: tc358746: select CONFIG_GENERIC_PHY
media: mediatek: vcodec: Add dbgfs help function
media: mediatek: vcodec: Add encode to support dbgfs
media: mediatek: vcodec: Change dbgfs interface to support encode
media: mediatek: vcodec: Get each instance format type
media: mediatek: vcodec: Get each context resolution information
media: mediatek: vcodec: Add a debugfs file to get different useful information
media: mediatek: vcodec: Add debug params to control different log level
media: mediatek: vcodec: Add debugfs interface to get debug information
media: mediatek: vcodec: support stateless AV1 decoder
media: verisilicon: Conditionally ignore native formats
media: verisilicon: Enable AV1 decoder on rk3588
media: verisilicon: Add film grain feature to AV1 driver
media: verisilicon: Add Rockchip AV1 decoder
media: verisilicon: Add AV1 entropy helpers
media: verisilicon: Compute motion vectors size for AV1 frames
...
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing tooling updates from Steven Rostedt:
- Add cgroup support for rtla via the -C option
- Add --house-keeping option that tells rtla where to place the
housekeeping threads
- Have rtla/timerlat have its own tracing instance instead of using the
top level tracing instance that is the default for other tracing
users to use
- Add auto analysis to timerlat_hist
- Have rtla start the tracers after creating the instances
- Reduce rtla hwnoise down to 75% from 100% as it runs with preemption
disabled and can cause system instability at 100%
- Add support to run timerlat_top and timerlat_hist threads in
user-space instead of just using the kernel tasks
- Some minor clean ups and documentation changes
* tag 'trace-tools-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
Documentation: Add tools/rtla timerlat -u option documentation
rtla/timerlat_hist: Add timerlat user-space support
rtla/timerlat_top: Add timerlat user-space support
rtla/hwnoise: Reduce runtime to 75%
rtla: Start the tracers after creating all instances
rtla/timerlat_hist: Add auto-analysis support
rtla/timerlat: Give timerlat auto analysis its own instance
rtla: Automatically move rtla to a house-keeping cpu
rtla: Change monitored_cpus from char * to cpu_set_t
rtla: Add --house-keeping option
rtla: Add -C cgroup support
|
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Replace my email.
Cc: devicetree@vger.kernel.org
Signed-off-by: Maulik Shah <quic_mkshah@quicinc.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230703092026.4923-1-quic_mkshah@quicinc.com
Signed-off-by: Rob Herring <robh@kernel.org>
|
|
The DTS code coding style expects spaces around '=' sign.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> #display/msm
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Mike Leach <mike.leach@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20230702182308.7583-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
|
|
intro
=====
When the RISC-V dt-bindings were accepted upstream in Linux, the base
ISA etc had yet to be ratified. By the ratification of the base ISA,
incompatible changes had snuck into the specifications - for example the
Zicsr and Zifencei extensions were spun out of the base ISA.
Fast forward to today, and the reason for this patch.
Currently the riscv,isa dt property permits only a specific subset of
the ISA string - in particular it excludes version numbering.
With the current constraints, it is not possible to discern whether
"rv64i" means that the hart supports the fence.i instruction, for
example.
Future systems may choose to implement their own instruction fencing,
perhaps using a vendor extension, or they may not implement the optional
counter extensions. Software needs a way to determine this.
versioning schemes
==================
"Use the extension versions that are described in the ISA manual" you
may say, and it's not like this has not been considered.
Firstly, software that parses the riscv,isa property at runtime will
need to contain a lookup table of some sort that maps arbitrary versions
to versions it understands. There is not a consistent application of
version number applied to extensions, with a higgledy-piggledy
collection of tags, "bare" and versioned documents awaiting the reader
on the "recently ratified extensions" page:
https://wiki.riscv.org/display/HOME/Recently+Ratified+Extensions
As an aside, and this is reflected in the patch too, since many
extensions have yet to appear in a release of the ISA specs,
they are defined by commits in their respective "working draft"
repositories.
Secondly, there is an issue of backwards compatibility, whereby allowing
numbers in the ISA string, some parsers may be broken. This would
require an additional property to be created to even use the versions in
this manner.
~boolean properties~ string array property
==========================================
If a new property is needed, the whole approach may as well be looked at
from the bottom up. A string with limited character choices etc is
hardly the best approach for communicating extension information to
software.
Switching to using properties that are defined on a per extension basis,
allows us to define explicit meanings for the DT representation of each
extension - rather than the current situation where different operating
systems or other bits of software may impart different meanings to
characters in the string.
Clearly the best source of meanings is the specifications themselves,
this just provides us the ability to choose at what point in time the
meaning is set. If an extension changes incompatibility in the future,
a new property will be required.
Off-list, some of the RVI folks have committed to shoring up the wording
in either the ISA specifications, the riscv-isa-manual or
so that in the future, modifications to and additions or removals of
features will require a new extension. Codifying that assertion
somewhere would make it quite unlikely that compatibility would be
broken, but we have the tools required to deal with it, if & when it
crops up.
It is in our collective interest, as consumers of extension meanings, to
define a scheme that enforces compatibility.
The use of individual elements, rather than a single string, will also
permit validation that the properties have a meaning, as well as
potentially reject mutually exclusive combinations, or enforce
dependencies between extensions. That would not have be possible with
the current dt-schema infrastructure for arbitrary strings, as we would
need to add a riscv,isa parser to dt-validate!
That's not implemented in this patch, but rather left as future work (for
the brave, or the foolish).
parser simplicity
=================
Many systems that parse DT at runtime already implement an function that
can check for the presence of a string in an array of string, as it is
similar to the process for parsing a list of compatible strings, so a
bunch of new, custom, DT parsing should not be needed.
Getting rid of "riscv,isa" parsing would be a nice simplification, but
unfortunately for backwards compatibility with old dtbs, existing
parsers may not be removable - which may greatly simplify
dt parsing code. In Linux, for example, checking for whether a hart
supports an extension becomes as simple as:
of_property_match_string(node, "riscv,isa-extensions", "zicbom")
vendor extensions
=================
Compared to riscv,isa, this proposed scheme promotes vendor extensions,
oft touted as the strength of RISC-V, to first-class citizens.
At present, extensions are defined as meaning what the RISC-V ISA
specifications say they do. There is no realistic way of using that
interface to provide cross-platform definitions for what vendor
extensions mean. Vendor extensions may also have even less consistency
than RVI do in terms of versioning, or no care about backwards
compatibility.
The new property allows us to assign explicit meanings on a per vendor
extension basis, backed up by a description of their meanings.
fin
===
Create a new file to store the extension meanings and a new
riscv,isa-base property to replace the aspect of riscv,isa that is
not represented by the new property - the base ISA implemented by a hart.
As a starting point, add properties for extensions currently used in
Linux.
Finally, mark riscv,isa as deprecated, as removing support for it in
existing programs would be an ABI break.
CC: Palmer Dabbelt <palmer@dabbelt.com>
CC: Paul Walmsley <paul.walmsley@sifive.com>
CC: Rob Herring <robh+dt@kernel.org>
CC: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
CC: Alistair Francis <alistair.francis@wdc.com>
CC: Andrew Jones <ajones@ventanamicro.com>
CC: Anup Patel <apatel@ventanamicro.com>
CC: Atish Patra <atishp@atishpatra.org>
CC: Jessica Clarke <jrtc27@jrtc27.com>
CC: Rick Chen <rick@andestech.com>
CC: Leo <ycliang@andestech.com>
CC: Oleksii <oleksii.kurochko@gmail.com>
CC: linux-riscv@lists.infradead.org
CC: qemu-riscv@nongnu.org
CC: u-boot@lists.denx.de
CC: devicetree@vger.kernel.org
CC: linux-kernel@vger.kernel.org
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230702-eats-scorebook-c951f170d29f@spud
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These add support for new hardware (ap807 and AM62A7), fix several
issues in cpufreq drivers and in the operating performance points
(OPP) framework, fix up intel_idle after recent changes and add
documentation.
Specifics:
- Add missing __init annotation to one function in the intel_idle
drvier (Rafael Wysocki)
- Make intel_pstate use a correct scaling factor when mapping HWP
performance levels to frequency values on hybrid-capable systems
with disabled E-cores (Srinivas Pandruvada)
- Fix Kconfig dependencies of the cpufreq-dt-platform driver (Viresh
Kumar)
- Add support to build cpufreq-dt-platdev as a module (Zhipeng Wang)
- Don't allocate Sparc's cpufreq_driver dynamically (Viresh Kumar)
- Add support for TI's AM62A7 platform (Vibhore Vardhan)
- Add support for Armada's ap807 platform (Russell King (Oracle))
- Add support for StarFive JH7110 SoC (Mason Huo)
- Fix voltage selection for Mediatek Socs (Daniel Golle)
- Fix error handling in Tegra's cpufreq driver (Christophe JAILLET)
- Document Qualcomm's IPQ8074 in DT bindings (Robert Marko)
- Don't warn for disabling a non-existing frequency for imx6q cpufreq
driver (Christoph Niedermaier)
- Use dev_err_probe() in Qualcomm's cpufreq driver (Andrew Halaney)
- Simplify performance state related logic in the OPP core (Viresh
Kumar)
- Fix use-after-free and improve locking around lazy_opp_tables
(Viresh Kumar, Stephan Gerhold)
- Minor cleanups - using dev_err_probe() and rate-limiting debug
messages (Andrew Halaney, Adrián Larumbe)"
* tag 'pm-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
cpufreq: intel_pstate: Fix scaling for hybrid-capable systems with disabled E-cores
cpufreq: Make CONFIG_CPUFREQ_DT_PLATDEV depend on OF
intel_idle: Add __init annotation to matchup_vm_state_with_baremetal()
OPP: Properly propagate error along when failing to get icc_path
OPP: Use dev_err_probe() when failing to get icc_path
cpufreq: qcom-cpufreq-hw: Use dev_err_probe() when failing to get icc paths
cpufreq: mediatek: correct voltages for MT7622 and MT7623
cpufreq: armada-8k: add ap807 support
OPP: Simplify the over-designed pstate <-> level dance
OPP: pstate is only valid for genpd OPP tables
OPP: don't drop performance constraint on OPP table removal
OPP: Protect `lazy_opp_tables` list with `opp_table_lock`
OPP: Staticize `lazy_opp_tables` in of.c
cpufreq: dt-platdev: Support building as module
opp: Fix use-after-free in lazy_opp_tables after probe deferral
dt-bindings: cpufreq: qcom-cpufreq-nvmem: document IPQ8074
cpufreq: dt-platdev: Blacklist ti,am62a7 SoC
cpufreq: ti-cpufreq: Add support for AM62A7
OPP: rate-limit debug messages when no change in OPP is required
cpufreq: imx6q: don't warn for disabling a non-existing frequency
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull more clk updates from Stephen Boyd:
"Another set of clk driver updates and fixes for the merge window. The
driver updates needed more time to bake in linux-next.
Updates:
- Support for more clk controllers in Qualcomm SoCs such as SM8350,
SM8450, SDX75, SC8280XP, and IPQ9574
- Runtime PM enablement of some more Qualcomm clk controllers
- Various fixes to Qualcomm clk driver data to use correct clk_ops
and to check halt bits properly
- AT91 updates to modernize with clk_parent_data structures
Fixes:
- Remove 'syscon' from dt binding fix for ti,j721e-system-controller
- Fix determine rate in the Tegra driver that got wrecked by the
refactorting of muxes this merge window"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (69 commits)
clk: tegra: Avoid calling an uninitialized function
dt-bindings: mfd: ti,j721e-system-controller: Remove syscon from example
clk: at91: sama7g5: s/ep_chg_chg_id/ep_chg_id
clk: at91: sama7g5: switch to parent_hw and parent_data
clk: at91: sckc: switch to parent_data/parent_hw
clk: at91: clk-sam9x60-pll: add support for parent_hw
clk: at91: clk-utmi: add support for parent_hw
clk: at91: clk-system: add support for parent_hw
clk: at91: clk-programmable: add support for parent_hw
clk: at91: clk-peripheral: add support for parent_hw
clk: at91: clk-master: add support for parent_hw
clk: at91: clk-generated: add support for parent_hw
clk: at91: clk-main: add support for parent_data/parent_hw
clk: qcom: gcc-sc8280xp: Add runtime PM
clk: qcom: gpucc-sc8280xp: Add runtime PM
clk: qcom: mmcc-msm8974: fix MDSS_GDSC power flags
clk: qcom: gpucc-sm6375: Enable runtime pm
dt-bindings: clock: sm6375-gpucc: Add VDD_GX
clk: qcom: gcc-sm6115: Add missing PLL config properties
clk: qcom: clk-alpha-pll: Add a way to update some bits of test_ctl(_hi)
...
|
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``ENOTTY` -> ``ENOTTY``.
Signed-off-by: Changyuan Lyu <changyuanl@google.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20230624165858.21777-1-changyuanl@google.com>
|
|
Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20230625103305.115484-1-david@ixit.cz>
|
|
The kernel cmdline option panic_on_warn expects an integer, it is not a
plain option as documented. A number of uses in the tree figured this
already, and use panic_on_warn=1 for their purpose.
Adjust a comment which otherwise may mislead people in the future.
Fixes: 9e3961a09798 ("kernel: add panic_on_warn")
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
|
|
Initial creation of an AF_XDP socket requires CAP_NET_RAW capability. A
privileged process might create the socket and pass it to a non-privileged
process for later use. However, that process will be able to bind the socket
to any network interface. Even though it will not be able to receive any
traffic without modification of the BPF map, the situation is not ideal.
Sockets already have a mechanism that can be used to restrict what interface
they can be attached to. That is SO_BINDTODEVICE.
To change the SO_BINDTODEVICE binding the process will need CAP_NET_RAW.
Make xsk_bind() honor the SO_BINDTODEVICE in order to allow safer workflow
when non-privileged process is using AF_XDP.
The intended workflow is following:
1. First process creates a bare socket with socket(AF_XDP, ...).
2. First process loads the XSK program to the interface.
3. First process adds the socket fd to a BPF map.
4. First process ties socket fd to a particular interface using
SO_BINDTODEVICE.
5. First process sends socket fd to a second process.
6. Second process allocates UMEM.
7. Second process binds socket to the interface with bind(...).
8. Second process sends/receives the traffic.
All the steps above are possible today if the first process is privileged
and the second one has sufficient RLIMIT_MEMLOCK and no capabilities.
However, the second process will be able to bind the socket to any interface
it wants on step 7 and send traffic from it. With the proposed change, the
second process will be able to bind the socket only to a specific interface
chosen by the first process at step 4.
Fixes: 965a99098443 ("xsk: add support for bind for Rx")
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/bpf/20230703175329.3259672-1-i.maximets@ovn.org
|
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- Add new Qualcomm PMI8998/PM660 SMB2 charger
- bq256xx: support systems without thermistors
- cros_pchg: fix peripheral device status after system resume
- axp20x_usb_power: add support for AXP192
- qcom-pon: add support for pm8941
- at91-reset: prepare to expose reset reason to sysfs
- switch all I2C drivers back to use .probe instead of .probe_new
- convert some more DT bindings to YAML
- misc cleanups
* tag 'for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (28 commits)
MAINTAINERS: add documentation file for Microchip SAMA5D2 shutdown controller
dt-bindings: power: reset: atmel,sama5d2-shdwc: convert to yaml
dt-bindings: power: reset: atmel,at91sam9260-shdwc: convert to yaml
power: reset: at91-reset: change the power on reason prototype
power: reset: qcom-pon: add support for pm8941-pon
dt-bindings: power: reset: qcom-pon: define pm8941-pon
power: supply: add Qualcomm PMI8998 SMB2 Charger driver
dt-bindings: power: supply: qcom,pmi8998-charger: add bindings for smb2 driver
power: supply: rt9467: Make charger-enable control as logic level
power: supply: Switch i2c drivers back to use .probe()
power: reset: add HAS_IOPORT dependencies
dt-bindings: power: supply: axp20x: Add AXP192 compatible
power: supply: axp20x_usb_power: Add support for AXP192
power: supply: axp20x_usb_power: Remove variant IDs from VBUS polling check
power: supply: axp20x_usb_power: Use regmap field for VBUS disabling
power: supply: axp20x_usb_power: Use regmap fields for USB BC feature
power: supply: axp20x_usb_power: Use regmap fields for VBUS monitor feature
power: supply: axp20x_usb_power: Simplify USB current limit handling
power: supply: hwmon: constify pointers to hwmon_channel_info
power: supply: twl4030_madc_battery: Refactor twl4030_madc_bat_ext_changed()
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"The bulk of these patches relates to the moving to a void-returning
remove callback.
The i.MX HiFi remoteproc driver gets its pm_ops helpers updated to
resolve build warnings about 'defined but not used' variables in
certain configurations.
The ST STM32 remoteproc driver is extended to allow using a SCMI reset
controller to hold boot, and has an error message corrected.
The Qualcomm Q6V5 PAS driver gains a missing 'static' qualifier on
adsp_segment_dump()"
* tag 'rproc-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (23 commits)
remoteproc: qcom_q6v5_pas: staticize adsp_segment_dump()
remoteproc: stm32: Fix error code in stm32_rproc_parse_dt()
remoteproc: stm32: Allow hold boot management by the SCMI reset controller
dt-bindings: remoteproc: st,stm32-rproc: Rework reset declarations
remoteproc: imx_dsp_rproc: use modern pm_ops
remoteproc: wkup_m3: Convert to platform remove callback returning void
remoteproc: stm32: Convert to platform remove callback returning void
remoteproc: st: Convert to platform remove callback returning void
remoteproc: virtio: Convert to platform remove callback returning void
remoteproc: rcar: Convert to platform remove callback returning void
remoteproc: qcom_wcnss: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_wcss: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_pas: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_mss: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_adsp: Convert to platform remove callback returning void
remoteproc: pru: Convert to platform remove callback returning void
remoteproc: omap: Convert to platform remove callback returning void
remoteproc: mtk_scp: Convert to platform remove callback returning void
remoteproc: meson_mx_ao_arc: Convert to platform remove callback returning void
remoteproc: keystone: Convert to platform remove callback returning void
...
|
|
Pull virtio updates from Michael Tsirkin:
- resume support in vdpa/solidrun
- structure size optimizations in virtio_pci
- new pds_vdpa driver
- immediate initialization mechanism for vdpa/ifcvf
- interrupt bypass for vdpa/mlx5
- multiple worker support for vhost
- viirtio net in Intel F2000X-PL support for vdpa/ifcvf
- fixes, cleanups all over the place
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (48 commits)
vhost: Make parameter name match of vhost_get_vq_desc()
vduse: fix NULL pointer dereference
vhost: Allow worker switching while work is queueing
vhost_scsi: add support for worker ioctls
vhost: allow userspace to create workers
vhost: replace single worker pointer with xarray
vhost: add helper to parse userspace vring state/file
vhost: remove vhost_work_queue
vhost_scsi: flush IO vqs then send TMF rsp
vhost_scsi: convert to vhost_vq_work_queue
vhost_scsi: make SCSI cmd completion per vq
vhost_sock: convert to vhost_vq_work_queue
vhost: convert poll work to be vq based
vhost: take worker or vq for flushing
vhost: take worker or vq instead of dev for queueing
vhost, vhost_net: add helper to check if vq has work
vhost: add vhost_worker pointer to vhost_virtqueue
vhost: dynamically allocate vhost_worker
vhost: create worker at end of vhost_dev_set_owner
virtio_bt: call scheduler when we free unused buffs
...
|
|
Pull kvm updates from Paolo Bonzini:
"ARM64:
- Eager page splitting optimization for dirty logging, optionally
allowing for a VM to avoid the cost of hugepage splitting in the
stage-2 fault path.
- Arm FF-A proxy for pKVM, allowing a pKVM host to safely interact
with services that live in the Secure world. pKVM intervenes on
FF-A calls to guarantee the host doesn't misuse memory donated to
the hyp or a pKVM guest.
- Support for running the split hypervisor with VHE enabled, known as
'hVHE' mode. This is extremely useful for testing the split
hypervisor on VHE-only systems, and paves the way for new use cases
that depend on having two TTBRs available at EL2.
- Generalized framework for configurable ID registers from userspace.
KVM/arm64 currently prevents arbitrary CPU feature set
configuration from userspace, but the intent is to relax this
limitation and allow userspace to select a feature set consistent
with the CPU.
- Enable the use of Branch Target Identification (FEAT_BTI) in the
hypervisor.
- Use a separate set of pointer authentication keys for the
hypervisor when running in protected mode, as the host is untrusted
at runtime.
- Ensure timer IRQs are consistently released in the init failure
paths.
- Avoid trapping CTR_EL0 on systems with Enhanced Virtualization
Traps (FEAT_EVT), as it is a register commonly read from userspace.
- Erratum workaround for the upcoming AmpereOne part, which has
broken hardware A/D state management.
RISC-V:
- Redirect AMO load/store misaligned traps to KVM guest
- Trap-n-emulate AIA in-kernel irqchip for KVM guest
- Svnapot support for KVM Guest
s390:
- New uvdevice secret API
- CMM selftest and fixes
- fix racy access to target CPU for diag 9c
x86:
- Fix missing/incorrect #GP checks on ENCLS
- Use standard mmu_notifier hooks for handling APIC access page
- Drop now unnecessary TR/TSS load after VM-Exit on AMD
- Print more descriptive information about the status of SEV and
SEV-ES during module load
- Add a test for splitting and reconstituting hugepages during and
after dirty logging
- Add support for CPU pinning in demand paging test
- Add support for AMD PerfMonV2, with a variety of cleanups and minor
fixes included along the way
- Add a "nx_huge_pages=never" option to effectively avoid creating NX
hugepage recovery threads (because nx_huge_pages=off can be toggled
at runtime)
- Move handling of PAT out of MTRR code and dedup SVM+VMX code
- Fix output of PIC poll command emulation when there's an interrupt
- Add a maintainer's handbook to document KVM x86 processes,
preferred coding style, testing expectations, etc.
- Misc cleanups, fixes and comments
Generic:
- Miscellaneous bugfixes and cleanups
Selftests:
- Generate dependency files so that partial rebuilds work as
expected"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (153 commits)
Documentation/process: Add a maintainer handbook for KVM x86
Documentation/process: Add a label for the tip tree handbook's coding style
KVM: arm64: Fix misuse of KVM_ARM_VCPU_POWER_OFF bit index
RISC-V: KVM: Remove unneeded semicolon
RISC-V: KVM: Allow Svnapot extension for Guest/VM
riscv: kvm: define vcpu_sbi_ext_pmu in header
RISC-V: KVM: Expose IMSIC registers as attributes of AIA irqchip
RISC-V: KVM: Add in-kernel virtualization of AIA IMSIC
RISC-V: KVM: Expose APLIC registers as attributes of AIA irqchip
RISC-V: KVM: Add in-kernel emulation of AIA APLIC
RISC-V: KVM: Implement device interface for AIA irqchip
RISC-V: KVM: Skeletal in-kernel AIA irqchip support
RISC-V: KVM: Set kvm_riscv_aia_nr_hgei to zero
RISC-V: KVM: Add APLIC related defines
RISC-V: KVM: Add IMSIC related defines
RISC-V: KVM: Implement guest external interrupt line management
KVM: x86: Remove PRIx* definitions as they are solely for user space
s390/uv: Update query for secret-UVCs
s390/uv: replace scnprintf with sysfs_emit
s390/uvdevice: Add 'Lock Secret Store' UVC
...
|
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt driver updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver updates for 6.5-rc1.
Included in here are:
- Lots of USB4/Thunderbolt additions and updates for new hardware
types and fixes as people are starting to get access to the
hardware in the wild
- new gadget controller driver, cdns2, added
- new typec drivers added
- xhci driver updates
- typec driver updates
- usbip driver fixes
- usb-serial driver updates and fixes
- lots of smaller USB driver updates
All of these have been in linux-next for a while with no reported
problems"
* tag 'usb-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (265 commits)
usb: host: xhci-plat: Set XHCI_STATE_REMOVING before resuming XHCI HC
usb: host: xhci: Do not re-initialize the XHCI HC if being removed
usb: typec: nb7vpq904m: fix CONFIG_DRM dependency
usbip: usbip_host: Replace strlcpy with strscpy
usb: dwc3: gadget: Propagate core init errors to UDC during pullup
USB: serial: option: add LARA-R6 01B PIDs
usb: ulpi: Make container_of() no-op in to_ulpi_dev()
usb: gadget: legacy: fix error return code in gfs_bind
usb: typec: fsa4480: add support for Audio Accessory Mode
usb: typec: fsa4480: rework mux & switch setup to handle more states
usb: typec: ucsi: call typec_set_mode on non-altmode partner change
USB: gadget: f_hid: make hidg_class a static const structure
USB: gadget: f_printer: make usb_gadget_class a static const structure
USB: mon: make mon_bin_class a static const structure
USB: gadget: udc: core: make udc_class a static const structure
USB: roles: make role_class a static const structure
dt-bindings: usb: dwc3: Add interrupt-names property support for wakeup interrupt
dt-bindings: usb: Add StarFive JH7110 USB controller
dt-bindings: usb: dwc3: Add IPQ9574 compatible
usb: cdns2: Fix spelling mistake in a trace message "Wakupe" -> "Wakeup"
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull Char/Misc updates from Greg KH:
"Here is the big set of char/misc and other driver subsystem updates
for 6.5-rc1.
Lots of different, tiny, stuff in here, from a range of smaller driver
subsystems, including pulls from some substems directly:
- IIO driver updates and additions
- W1 driver updates and fixes (and a new maintainer!)
- FPGA driver updates and fixes
- Counter driver updates
- Extcon driver updates
- Interconnect driver updates
- Coresight driver updates
- mfd tree tag merge needed for other updates on top of that, lots of
small driver updates as patches, including:
- static const updates for class structures
- nvmem driver updates
- pcmcia driver fix
- lots of other small driver updates and fixes
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (243 commits)
bsr: fix build problem with bsr_class static cleanup
comedi: make all 'class' structures const
char: xillybus: make xillybus_class a static const structure
xilinx_hwicap: make icap_class a static const structure
virtio_console: make port class a static const structure
ppdev: make ppdev_class a static const structure
char: misc: make misc_class a static const structure
/dev/mem: make mem_class a static const structure
char: lp: make lp_class a static const structure
dsp56k: make dsp56k_class a static const structure
bsr: make bsr_class a static const structure
oradax: make 'cl' a static const structure
hwtracing: hisi_ptt: Fix potential sleep in atomic context
hwtracing: hisi_ptt: Advertise PERF_PMU_CAP_NO_EXCLUDE for PTT PMU
hwtracing: hisi_ptt: Export available filters through sysfs
hwtracing: hisi_ptt: Add support for dynamically updating the filter list
hwtracing: hisi_ptt: Factor out filter allocation and release operation
samples: pfsm: add CC_CAN_LINK dependency
misc: fastrpc: check return value of devm_kasprintf()
coresight: dummy: Update type of mode parameter in dummy_{sink,source}_enable()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"New Functionality:
- Add lots of Device Tree bindings / support
- Turn off LED strings when display is blank
- Switch I2C drivers from .probe_new() to .probe()
- Remove superfluous NULL checks
- Only obtain PWM information once and do it in .probe()
Fix-ups:
- Ensure locks are obtained and held when required"
* tag 'backlight-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: led_bl: Take led_access lock when required
video: backlight: lp855x: Get PWM for PWM mode during probe
dt-bindings: backlight: lp855x: Convert to YAML and modernize
dt-bindings: backlight: pwm: Make power-supply not required
backlight: pwm_bl: Remove unneeded checks for valid GPIOs
backlight: Switch i2c drivers back to use .probe()
backlight: lm3630a: Turn off both led strings when display is blank
dt-bindings: leds: backlight: ktz8866: Add reg property and update example
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
"New Drivers:
- Add support for Intel Cherry Trail Whiskey Cove PMIC LEDs
- Add support for Awinic AW20036/AW20054/AW20072 LEDs
New Device Support:
- Add support for PMI632 LPG to QCom LPG
- Add support for PMI8998 to QCom Flash
- Add support for MT6331, WLEDs and MT6332 to Mediatek MT6323 PMIC
New Functionality:
- Implement the LP55xx Charge Pump
- Add support for suspend / resume to Intel Cherry Trail Whiskey Cove PMIC
- Add support for breathing mode to Intel Cherry Trail Whiskey Cove PMIC
- Enable per-pin resolution Pinctrl in LEDs GPIO
Fix-ups:
- Allow thread to sleep by switching from spinlock to mutex
- Add lots of Device Tree bindings / support
- Adapt relationships / dependencies driven by Kconfig
- Switch I2C drivers from .probe_new() to .probe()
- Remove superfluous / duplicate code
- Replace strlcpy() with strscpy() for efficiency and overflow prevention
- Staticify various functions
- Trivial: Fixing coding style
- Simplify / reduce code
Bug Fixes:
- Prevent NETDEV_LED_MODE_LINKUP from being cleared on rename
- Repair race between led_set_brightness(LED_{OFF,FULL})
- Fix Oops relating to sleeping in critical sections
- Clear LED_INIT_DEFAULT_TRIGGER flag when clearing the current trigger
- Do not leak resources in error handling paths
- Fix unsigned comparison which can never be negative
- Provide missing NULL terminating entries in tables
- Fix misnaming issues"
* tag 'leds-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (53 commits)
leds: leds-mt6323: Adjust return/parameter types in wled get/set callbacks
leds: sgm3140: Add richtek,rt5033-led compatible
dt-bindings: leds: sgm3140: Document richtek,rt5033 compatible
dt-bindings: backlight: kinetic,ktz8866: Add missing type for "current-num-sinks"
dt-bindings: leds: Drop unneeded quotes
leds: Fix config reference for AW200xx driver
leds: leds-mt6323: Add support for WLEDs and MT6332
leds: leds-mt6323: Add support for MT6331 leds
leds: leds-mt6323: Open code and drop MT6323_CAL_HW_DUTY macro
leds: leds-mt6323: Drop MT6323_ prefix from macros and defines
leds: leds-mt6323: Specify registers and specs in platform data
dt-bindings: leds: leds-mt6323: Document mt6332 compatible
dt-bindings: leds: leds-mt6323: Document mt6331 compatible
leds: simatic-ipc-leds-gpio: Introduce more Kconfig switches
leds: simatic-ipc-leds-gpio: Split up into multiple drivers
leds: simatic-ipc-leds-gpio: Move two extra gpio pins into another table
leds: simatic-ipc-leds-gpio: Add terminating entries to gpio tables
leds: flash: leds-qcom-flash: Fix an unsigned comparison which can never be negative
leds: cht-wcove: Remove unneeded semicolon
leds: cht-wcove: Fix an unsigned comparison which can never be negative
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add support for TI TPS6594/TPS6593/LP8764 PMICs
- Add support for Samsung RT5033 Battery Charger
- Add support for Analog Devices MAX77540 and MAX77541 PMICs
New Device Support:
- Add support for SPI to Rockchip RK808 (and friends)
- Add support for AXP192 PMIC to X-Powers AXP20X
- Add support for AXP313a PMIC to X-Powers AXP20X
- Add support for RK806 to Rockchip RK8XX
Removed Device Support:
- Removed MFD support for Richtek RT5033 Battery
Fix-ups:
- Remove superfluous code
- Switch I2C drivers from .probe_new() to .probe()
- Convert over to managed resources (devm_*(), etc)
- Use dev_err_probe() for returning errors from .probe()
- Add lots of Device Tree bindings / support
- Improve cache efficiency by switching to Maple
- Use own exported namespaces (NS)
- Include missing and remove superfluous headers
- Start using / convert to the new shutdown sys-off API
- Trivial: variable / define renaming
- Make use of of_property_read_reg() when requesting DT 'reg's
Bug Fixes:
- Fix chip revision readout due to incorrect data masking
- Amend incorrect register and mask values used for charger state
- Hide unused functionality at compile time
- Fix resource leaks following error handling routines
- Return correct error values and fix error handling in general
- Repair incorrect device names - used for device matching
- Remedy broken module auto-loading"
* tag 'mfd-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (51 commits)
dt-bindings: mfd: max77541: Add ADI MAX77541/MAX77540
iio: adc: max77541: Add ADI MAX77541 ADC Support
regulator: max77541: Add ADI MAX77541/MAX77540 Regulator Support
dt-bindings: regulator: max77541: Add ADI MAX77541/MAX77540 Regulator
mfd: Switch two more drivers back to use struct i2c_driver::probe
dt-bindings: mfd: samsung,s5m8767: Simplify excluding properties
mfd: stmpe: Only disable the regulators if they are enabled
mfd: max77541: Add ADI MAX77541/MAX77540 PMIC Support
dt-bindings: mfd: gateworks-gsc: Remove unnecessary fan-controller nodes
mfd: core: Use of_property_read_reg() to parse "reg"
mfd: stmfx: Nullify stmfx->vdd in case of error
mfd: stmfx: Fix error path in stmfx_chip_init
mfd: intel-lpss: Add missing check for platform_get_resource
mfd: stpmic1: Add PMIC poweroff via sys-off handler
mfd: stpmic1: Fixup main control register and bits naming
dt-bindings: mfd: qcom,tcsr: Add the compatible for IPQ8074
mfd: tps65219: Add support for soft shutdown via sys-off API
mfd: pm8008: Drop bogus i2c module alias
mfd: pm8008: Fix module autoloading
mfd: tps65219: Add GPIO cell instance
...
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git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
- tegra: support for Tegra264
- broadcom: convert bcm2835 bindings from txt to yaml bcm2835
- qcom: support for IPQ5018
- ti: always zero TX data fields
* tag 'mailbox-v6.5' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: ti-msgmgr: Fill non-message tx data fields with 0x0
mailbox: tegra: add support for Tegra264
dt-bindings: mailbox: tegra: Document Tegra264 HSP
dt-bindings: mailbox: convert bcm2835-mbox bindings to YAML
dt-bindings: mailbox: qcom: Add IPQ5018 APCS compatible
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"The isl1208 dirver was reworked tobe able to work as part of an MFD.
All the Loongson chips are now supported through a new driver, the old
one is removed.
Summary:
Subsystem:
- Switch i2c drivers back to use .probe()
- Constify pointers to hwmon_channel_info
New driver:
- Loongson on chip RTC, replacing the Loongson 1 only driver
Drivers:
- isl1208: cleanup and support for RAA215300
- st-lpc: cleanups
- stm32: fix wakeup"
* tag 'rtc-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (21 commits)
rtc: Add rtc driver for the Loongson family chips
rtc: Remove the Loongson-1 RTC driver
dt-bindings: rtc: Split loongson,ls2x-rtc into SoC-based compatibles
rtc: rv3028: make rv3028 probeable from userspace
rtc: isl1208: Add support for the built-in RTC on the PMIC RAA215300
rtc: isl1208: Add isl1208_set_xtoscb()
rtc: isl1208: Drop enum isl1208_id and split isl1208_configs[]
rtc: isl1208: Make similar I2C and DT-based matching table
rtc: isl1208: Drop name variable
dt-bindings: rtc: isil,isl1208: Document clock and clock-names properties
dt-bindings: rtc: isl1208: Convert to json-schema
rtc: st-lpc: Simplify clk handling in st_rtc_probe()
rtc: st-lpc: Release some resources in st_rtc_probe() in case of error
rtc: stm32: remove dedicated wakeup management
dt-bindings: rtc: restrict node name suffixes
rtc: add HAS_IOPORT dependencies
rtc: Switch i2c drivers back to use .probe()
rtc: rv3032: constify pointers to hwmon_channel_info
rtc: isl12022: constify pointers to hwmon_channel_info
rtc: ds3232: constify pointers to hwmon_channel_info
...
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Having "how to submit patches" in MAINTAINTERS seems out of place.
We have a whole section of documentation about it, duplication
is harmful and a lot of the text looks really out of date.
Sections 1, 2 and 4 look really, really old and not applicable
to the modern process.
Section 3 is obvious but also we have build bots now.
Section 5 is a bit outdated (diff -u?!). But I like the part
about factoring out shared code, so add that to process docs.
Section 6 is unnecessary?
Section 7 is covered by more appropriate docs.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20230630171550.128296-1-kuba@kernel.org>
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In zh_TW and zh_CN translation, "http://lwn.net/Articles" is incorrectly
written as "http://lwn.net/Articles".
This patch is generated by the following script:
rg -l "lwn.net/Articles" |
xargs sed -i 's/lwn.net\/articles/lwn.net\/Articles/g'
Signed-off-by: Xueshi Hu <xueshi.hu@smartx.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <mr4mjneo2eghtpm2z6envih3kzjdjpptqcot2fm2wp5crljxag@oianggqjllbl>
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Switch to the quicinc.com id.
Fixes: bd1af6b5fffd ("Documentation: ABI: sysfs-class-net-qmi: document pass-through file")
Signed-off-by: Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- I2C has now a co-maintainer taking care of the host drivers. Welcome
Andi Shyti and have fun!
- platform remove callback converted to return void in drivers
- simplify drivers by using devm_clk_get_enabled()
- introduce i2c_get_match_data() to avoid more boilerplate code
(especially since the core stopped delivering an i2c_device_id)
- and the usual bunch of driver updates
* tag 'i2c-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
i2c: uniphier: Use devm_clk_get_enabled()
i2c: uniphier-f: Use devm_clk_get_enabled()
i2c: owl: Use devm_clk_get_enabled()
i2c: lpc2k: Use devm_clk_get_enabled()
i2c: hix5hd2: Use devm_clk_get_enabled()
i2c: sun6i-p2wi: Use devm_clk_get_enabled()
i2c: pasemi-platform: Use devm_clk_get_enabled()
i2c: mt7621: Use devm_clk_get_enabled()
i2c: xiic: Use devm_clk_get_enabled()
i2c: davinci: Use platform table macro over module_alias
i2c: ocores: use devm_ managed clks
i2c: nomadik: Use dev_err_probe() whenever possible
i2c: nomadik: Use devm_clk_get_enabled()
i2c: nomadik: Remove unnecessary goto label
usb: typec: ucsi: Mark dGPUs as DEVICE scope
i2c: wmt: Use devm_platform_get_and_ioremap_resource()
i2c: versatile: Use devm_platform_get_and_ioremap_resource()
i2c: hix5hd2: Add I2C_M_STOP flag support for i2c-hix5hd2 driver.
i2c: mpc: Use of_property_read_reg() to parse "reg"
i2c: imx-lpi2c: Don't open-code DIV_ROUND_UP
...
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Remove the deprecated rule to build *.dtbo from *.dts
- Refactor section mismatch detection in modpost
- Fix bogus ARM section mismatch detections
- Fix error of 'make gtags' with O= option
- Add Clang's target triple to KBUILD_CPPFLAGS to fix a build error
with the latest LLVM version
- Rebuild the built-in initrd when KBUILD_BUILD_TIMESTAMP is changed
- Ignore more compiler-generated symbols for kallsyms
- Fix 'make local*config' to handle the ${CONFIG_FOO} form in Makefiles
- Enable more kernel-doc warnings with W=2
- Refactor <linux/export.h> by generating KSYMTAB data by modpost
- Deprecate <asm/export.h> and <asm-generic/export.h>
- Remove the EXPORT_DATA_SYMBOL macro
- Move the check for static EXPORT_SYMBOL back to modpost, which makes
the build faster
- Re-implement CONFIG_TRIM_UNUSED_KSYMS with one-pass algorithm
- Warn missing MODULE_DESCRIPTION when building modules with W=1
- Make 'make clean' robust against too long argument error
- Exclude more objects from GCOV to fix CFI failures with GCOV
- Allow 'make modules_install' to install modules.builtin and
modules.builtin.modinfo even when CONFIG_MODULES is disabled
- Include modules.builtin and modules.builtin.modinfo in the
linux-image Debian package even when CONFIG_MODULES is disabled
- Revive "Entering directory" logging for the latest Make version
* tag 'kbuild-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (72 commits)
modpost: define more R_ARM_* for old distributions
kbuild: revive "Entering directory" for Make >= 4.4.1
kbuild: set correct abs_srctree and abs_objtree for package builds
scripts/mksysmap: Ignore prefixed KCFI symbols
kbuild: deb-pkg: remove the CONFIG_MODULES check in buildeb
kbuild: builddeb: always make modules_install, to install modules.builtin*
modpost: continue even with unknown relocation type
modpost: factor out Elf_Sym pointer calculation to section_rel()
modpost: factor out inst location calculation to section_rel()
kbuild: Disable GCOV for *.mod.o
kbuild: Fix CFI failures with GCOV
kbuild: make clean rule robust against too long argument error
script: modpost: emit a warning when the description is missing
kbuild: make modules_install copy modules.builtin(.modinfo)
linux/export.h: rename 'sec' argument to 'license'
modpost: show offset from symbol for section mismatch warnings
modpost: merge two similar section mismatch warnings
kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion
modpost: use null string instead of NULL pointer for default namespace
modpost: squash sym_update_namespace() into sym_add_exported()
...
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Pull CXL updates from Dan Williams:
"The highlights in terms of new functionality are support for the
standard CXL Performance Monitor definition that appeared in CXL 3.0,
support for device sanitization (wiping all data from a device),
secure-erase (re-keying encryption of user data), and support for
firmware update. The firmware update support is notable as it reuses
the simple sysfs_upload interface to just cat(1) a blob to a sysfs
file and pipe that to the device.
Additionally there are a substantial number of cleanups and
reorganizations to get ready for RCH error handling (RCH == Restricted
CXL Host == current shipping hardware generation / pre CXL-2.0
topologies) and type-2 (accelerator / vendor specific) devices.
For vendor specific devices they implement a subset of what the
generic type-3 (generic memory expander) driver expects. As a result
the rework decouples optional infrastructure from the core driver
context.
For RCH topologies, where the specification working group did not want
to confuse pre-CXL-aware operating systems, many of the standard
registers are hidden which makes support standard bus features like
AER (PCIe Advanced Error Reporting) difficult. The rework arranges for
the driver to help the PCI-AER core. Bjorn is on board with this
direction but a late regression disocvery means the completion of this
functionality needs to cook a bit longer, so it is code
reorganizations only for now.
Summary:
- Add infrastructure for supporting background commands along with
support for device sanitization and firmware update
- Introduce a CXL performance monitoring unit driver based on the
common definition in the specification.
- Land some preparatory cleanup and refactoring for the anticipated
arrival of CXL type-2 (accelerator devices) and CXL RCH (CXL-v1.1
topology) error handling.
- Rework CPU cache management with respect to region configuration
(device hotplug or other dynamic changes to memory interleaving)
- Fix region reconfiguration vs CXL decoder ordering rules"
* tag 'cxl-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (51 commits)
cxl: Fix one kernel-doc comment
cxl/pci: Use correct flag for sanitize polling
docs: perf: Minimal introduction the the CXL PMU device and driver
perf: CXL Performance Monitoring Unit driver
tools/testing/cxl: add firmware update emulation to CXL memdevs
tools/testing/cxl: Use named effects for the Command Effect Log
tools/testing/cxl: Fix command effects for inject/clear poison
cxl: add a firmware update mechanism using the sysfs firmware loader
cxl/test: Add Secure Erase opcode support
cxl/mem: Support Secure Erase
cxl/test: Add Sanitize opcode support
cxl/mem: Wire up Sanitization support
cxl/mbox: Add sanitization handling machinery
cxl/mem: Introduce security state sysfs file
cxl/mbox: Allow for IRQ_NONE case in the isr
Revert "cxl/port: Enable the HDM decoder capability for switch ports"
cxl/memdev: Formalize endpoint port linkage
cxl/pci: Unconditionally unmask 256B Flit errors
cxl/region: Manage decoder target_type at decoder-attach time
cxl/hdm: Default CXL_DEVTYPE_DEVMEM decoders to CXL_DECODER_DEVMEM
...
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This is included in the ISA manual, but it's pretty common for bits of
the ISA manual that are actually ABI to change. So let's document it
explicitly.
Reviewed-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20230619190142.26498-1-palmer@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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source.codeaurora.org is no longer accessible and so the reference link
in the documentation is not useful. Use iproute2 instead as it has a
rmnet module for configuration.
Fixes: ceed73a2cf4a ("drivers: net: ethernet: qualcomm: rmnet: Initial implementation")
Signed-off-by: Sean Tranchetti <quic_stranche@quicinc.com>
Signed-off-by: Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reword slightly now that all MAINTAINERS have access to the commands.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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KVM x86 changes for 6.5:
* Move handling of PAT out of MTRR code and dedup SVM+VMX code
* Fix output of PIC poll command emulation when there's an interrupt
* Add a maintainer's handbook to document KVM x86 processes, preferred coding
style, testing expectations, etc.
* Misc cleanups
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 updates for 6.5
- Eager page splitting optimization for dirty logging, optionally
allowing for a VM to avoid the cost of block splitting in the stage-2
fault path.
- Arm FF-A proxy for pKVM, allowing a pKVM host to safely interact with
services that live in the Secure world. pKVM intervenes on FF-A calls
to guarantee the host doesn't misuse memory donated to the hyp or a
pKVM guest.
- Support for running the split hypervisor with VHE enabled, known as
'hVHE' mode. This is extremely useful for testing the split
hypervisor on VHE-only systems, and paves the way for new use cases
that depend on having two TTBRs available at EL2.
- Generalized framework for configurable ID registers from userspace.
KVM/arm64 currently prevents arbitrary CPU feature set configuration
from userspace, but the intent is to relax this limitation and allow
userspace to select a feature set consistent with the CPU.
- Enable the use of Branch Target Identification (FEAT_BTI) in the
hypervisor.
- Use a separate set of pointer authentication keys for the hypervisor
when running in protected mode, as the host is untrusted at runtime.
- Ensure timer IRQs are consistently released in the init failure
paths.
- Avoid trapping CTR_EL0 on systems with Enhanced Virtualization Traps
(FEAT_EVT), as it is a register commonly read from userspace.
- Erratum workaround for the upcoming AmpereOne part, which has broken
hardware A/D state management.
As a consequence of the hVHE series reworking the arm64 software
features framework, the for-next/module-alloc branch from the arm64 tree
comes along for the ride.
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