1e080f1775
1041676 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Jakub Kicinski
|
48eab831ae |
net: create netdev->dev_addr assignment helpers
Recent work on converting address list to a tree made it obvious we need an abstraction around writing netdev->dev_addr. Without such abstraction updating the main device address is invisible to the core. Introduce a number of helpers which for now just wrap memcpy() but in the future can make necessary changes to the address tree. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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David S. Miller
|
8c9bc823ef |
Merge branch 'bnxt_en-fixes'
Michael Chan says: ==================== bnxt_en: Bug fixes This series includes 3 fixes related to devlink firmware and chip versions. The other 2 patches fix a UDP tunneling issue and an error recovery issue. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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Michael Chan
|
1b2b918319 |
bnxt_en: Fix possible unintended driver initiated error recovery
If error recovery is already enabled, bnxt_timer() will periodically
check the heartbeat register and the reset counter. If we get an
error recovery async. notification from the firmware (e.g. change in
primary/secondary role), we will immediately read and update the
heartbeat register and the reset counter. If the timer for the next
health check expires soon after this, we may read the heartbeat register
again in quick succession and find that it hasn't changed. This will
trigger error recovery unintentionally.
The likelihood is small because we also reset fw_health->tmr_counter
which will reset the interval for the next health check. But the
update is not protected and bnxt_timer() can miss the update and
perform the health check without waiting for the full interval.
Fix it by only reading the heartbeat register and reset counter in
bnxt_async_event_process() if error recovery is trasitioning to the
enabled state. Also add proper memory barriers so that when enabling
for the first time, bnxt_timer() will see the tmr_counter interval and
perform the health check after the full interval has elapsed.
Fixes:
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Michael Chan
|
7ae9dc356f |
bnxt_en: Fix UDP tunnel logic
The current logic assumes that when the driver sends the message to the
firmware to add the VXLAN or Geneve port, the firmware will never fail
the operation. The UDP ports are always stored and are used to check
the tunnel packets in .ndo_features_check(). These tunnnel packets
will fail to offload on the transmit side if firmware fails the call to
add the UDP ports.
To fix the problem, bp->vxlan_port and bp->nge_port will only be set to
the offloaded ports when the HWRM_TUNNEL_DST_PORT_ALLOC firmware call
succeeds. When deleting a UDP port, we check that the port was
previously added successfuly first by checking the FW ID.
Fixes:
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Michael Chan
|
6fdab8a3ad |
bnxt_en: Fix asic.rev in devlink dev info command
The current asic.rev is incomplete and does not include the metal
revision. Add the metal revision and decode the complete asic
revision into the more common and readable form (A0, B0, etc).
Fixes:
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Edwin Peer
|
beb55fcf95 |
bnxt_en: fix read of stored FW_PSID version on P5 devices
P5 devices store NVM arrays using a different internal representation.
This implementation detail permeates into the HWRM API, requiring the
caller to explicitly index the array elements in HWRM_NVM_GET_VARIABLE
on these devices. Conversely, older devices do not support the indexed
mode of operation and require reading the raw NVM content.
Fixes:
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Edwin Peer
|
1656db6723 |
bnxt_en: fix stored FW_PSID version masks
The FW_PSID version components are 8 bits wide, not 4.
Fixes:
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Linus Torvalds
|
27151f1778 |
perf tools changes for v5.15:
New features:
- Improvements for the flamegraph python script, including:
- Display perf.data header
- Display PIDs of user stacks
- Added option to change color scheme
- Default to blue/green color scheme to improve accessibility
- Correctly identify kernel stacks when debuginfo is available
- Improvements for 'perf bench futex':
- Add --mlockall parameter
- Add --broadcast and --pi to the 'requeue' sub benchmark
- Add support for PMU aliases.
- Introduce an ARM Coresight ETE decoder.
- Add a 'perf bench' entry for evlist open/close operations, to help quantify
improvements with multithreading 'perf record'.
- Allow reporting the [un]throttle PERF_RECORD_ meta event in 'perf script's
python scripting.
- Add a 'perf test' entry for PMU aliases.
- Add a 'perf test' entry for 'perf record/perf report/perf script' pipe mode.
Fixes:
- perf script dlfilter (API for filtering via dynamically loaded shared object
introduced in v5.14) fixes and a 'perf test' entry for it.
- Fix get_current_dir_name() compilation on Android.
- Fix issues with asciidoc and double dashes uses.
- Fix memory leaks in the BTF handling code.
- Fix leftover problems in the Documentation from the infrastructure originally
lifted from the git codebase.
- Fix *probe_vfs_getname.sh 'perf test' failures.
- Handle fd gaps in 'perf test's test__dso_data_reopen().
- Make sure to show disasembly warnings for 'perf annotate --stdio'.
- Fix output from pipe to file and vice-versa in 'perf record/report/script'.
- Correct 'perf data -h' output.
- Fix wrong comm in system-wide mode with 'perf record --delay'.
- Do not allow --for-each-cgroup without cpu in 'perf stat'
- Make 'perf test --skip' work on shell tests.
- Fix libperf's verbose printing.
Misc improvements:
- Preparatory patches for multithreading varios 'perf record' phases
(synthesizing, opening, recording, etc).
- Add sparse context/locking annotations in compiler-types.h, also to help with
the multithreading effort.
- Optimize the generation of the arch specific erno tables used in 'perf trace'.
- Optimize libperf's perf_cpu_map__max().
- Improve ARM's CoreSight warnings.
- Report collisions in AUX records.
- Improve warnings for the LLVM 'perf test' entry.
- Improve the PMU events 'perf test' codebase.
- perf test: Do not compare overheads in the zstd comp test
- Better support annotation on ARM.
- Update 'perf trace's cmd string table to decode sys_bpf() first arg.
Vendor events:
- Add JSON events and metrics for Intel's Ice Lake, Tiger Lake and Elhart Lake.
- Update JSON eventsand metrics for Intel's Cascade Lake and Sky Lake servers.
Hardware tracing:
- Improvements for the ARM hardware tracing auxtrace support.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v5.15-2021-09-04' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tool updates from Arnaldo Carvalho de Melo:
"New features:
- Improvements for the flamegraph python script, including:
- Display perf.data header
- Display PIDs of user stacks
- Added option to change color scheme
- Default to blue/green color scheme to improve accessibility
- Correctly identify kernel stacks when debuginfo is available
- Improvements for 'perf bench futex':
- Add --mlockall parameter
- Add --broadcast and --pi to the 'requeue' sub benchmark
- Add support for PMU aliases.
- Introduce an ARM Coresight ETE decoder.
- Add a 'perf bench' entry for evlist open/close operations, to help
quantify improvements with multithreading 'perf record'.
- Allow reporting the [un]throttle PERF_RECORD_ meta event in 'perf
script's python scripting.
- Add a 'perf test' entry for PMU aliases.
- Add a 'perf test' entry for 'perf record/perf report/perf script'
pipe mode.
Fixes:
- perf script dlfilter (API for filtering via dynamically loaded
shared object introduced in v5.14) fixes and a 'perf test' entry
for it.
- Fix get_current_dir_name() compilation on Android.
- Fix issues with asciidoc and double dashes uses.
- Fix memory leaks in the BTF handling code.
- Fix leftover problems in the Documentation from the infrastructure
originally lifted from the git codebase.
- Fix *probe_vfs_getname.sh 'perf test' failures.
- Handle fd gaps in 'perf test's test__dso_data_reopen().
- Make sure to show disasembly warnings for 'perf annotate --stdio'.
- Fix output from pipe to file and vice-versa in 'perf
record/report/script'.
- Correct 'perf data -h' output.
- Fix wrong comm in system-wide mode with 'perf record --delay'.
- Do not allow --for-each-cgroup without cpu in 'perf stat'
- Make 'perf test --skip' work on shell tests.
- Fix libperf's verbose printing.
Misc improvements:
- Preparatory patches for multithreading various 'perf record' phases
(synthesizing, opening, recording, etc).
- Add sparse context/locking annotations in compiler-types.h, also to
help with the multithreading effort.
- Optimize the generation of the arch specific erno tables used in
'perf trace'.
- Optimize libperf's perf_cpu_map__max().
- Improve ARM's CoreSight warnings.
- Report collisions in AUX records.
- Improve warnings for the LLVM 'perf test' entry.
- Improve the PMU events 'perf test' codebase.
- perf test: Do not compare overheads in the zstd comp test
- Better support annotation on ARM.
- Update 'perf trace's cmd string table to decode sys_bpf() first
arg.
Vendor events:
- Add JSON events and metrics for Intel's Ice Lake, Tiger Lake and
Elhart Lake.
- Update JSON eventsand metrics for Intel's Cascade Lake and Sky Lake
servers.
Hardware tracing:
- Improvements for the ARM hardware tracing auxtrace support"
* tag 'perf-tools-for-v5.15-2021-09-04' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (130 commits)
perf tests: Add test for PMU aliases
perf pmu: Add PMU alias support
perf session: Report collisions in AUX records
perf script python: Allow reporting the [un]throttle PERF_RECORD_ meta event
perf build: Report failure for testing feature libopencsd
perf cs-etm: Show a warning for an unknown magic number
perf cs-etm: Print the decoder name
perf cs-etm: Create ETE decoder
perf cs-etm: Update OpenCSD decoder for ETE
perf cs-etm: Fix typo
perf cs-etm: Save TRCDEVARCH register
perf cs-etm: Refactor out ETMv4 header saving
perf cs-etm: Initialise architecture based on TRCIDR1
perf cs-etm: Refactor initialisation of decoder params.
tools build: Fix feature detect clean for out of source builds
perf evlist: Add evlist__for_each_entry_from() macro
perf evsel: Handle precise_ip fallback in evsel__open_cpu()
perf evsel: Move bpf_counter__install_pe() to success path in evsel__open_cpu()
perf evsel: Move test_attr__open() to success path in evsel__open_cpu()
perf evsel: Move ignore_missing_thread() to fallback code
...
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Linus Torvalds
|
58ca241587 |
Tracing updates for 5.15:
- Simplifying the Kconfig use of FTRACE and TRACE_IRQFLAGS_SUPPORT
- bootconfig now can start histograms
- bootconfig supports group/all enabling
- histograms now can put values in linear size buckets
- execnames can be passed to synthetic events
- Introduction of "event probes" that attach to other events and
can retrieve data from pointers of fields, or record fields
as different types (a pointer to a string as a string instead
of just a hex number)
- Various fixes and clean ups
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Merge tag 'trace-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
- simplify the Kconfig use of FTRACE and TRACE_IRQFLAGS_SUPPORT
- bootconfig can now start histograms
- bootconfig supports group/all enabling
- histograms now can put values in linear size buckets
- execnames can be passed to synthetic events
- introduce "event probes" that attach to other events and can retrieve
data from pointers of fields, or record fields as different types (a
pointer to a string as a string instead of just a hex number)
- various fixes and clean ups
* tag 'trace-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (35 commits)
tracing/doc: Fix table format in histogram code
selftests/ftrace: Add selftest for testing duplicate eprobes and kprobes
selftests/ftrace: Add selftest for testing eprobe events on synthetic events
selftests/ftrace: Add test case to test adding and removing of event probe
selftests/ftrace: Fix requirement check of README file
selftests/ftrace: Add clear_dynamic_events() to test cases
tracing: Add a probe that attaches to trace events
tracing/probes: Reject events which have the same name of existing one
tracing/probes: Have process_fetch_insn() take a void * instead of pt_regs
tracing/probe: Change traceprobe_set_print_fmt() to take a type
tracing/probes: Use struct_size() instead of defining custom macros
tracing/probes: Allow for dot delimiter as well as slash for system names
tracing/probe: Have traceprobe_parse_probe_arg() take a const arg
tracing: Have dynamic events have a ref counter
tracing: Add DYNAMIC flag for dynamic events
tracing: Replace deprecated CPU-hotplug functions.
MAINTAINERS: Add an entry for os noise/latency
tracepoint: Fix kerneldoc comments
bootconfig/tracing/ktest: Update ktest example for boot-time tracing
tools/bootconfig: Use per-group/all enable option in ftrace2bconf script
...
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Linus Torvalds
|
e07af26266 |
ARC changes for v5.15-rc1
- MM rework
+ Implementing up to 4 paging levels.
+ Enable STRICT_MM_TYPECHECK
+ switch pgtable_t back to struct page *
- Atomics rework / implementing relaxed accessors
- Retiring of legacy MMUv1,v2; ARC750 cores
- A few other build errors, typos
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Merge tag 'arc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
"Finally a big pile of changes for ARC (atomics/mm). These are from our
internal arc64 tree, preparing mainline for eventual arc64 support.
I'm spreading them out to avoid tsunami of patches in one release.
- MM rework:
- Implement up to 4 paging levels
- Enable STRICT_MM_TYPECHECK
- switch pgtable_t back to 'struct page *'
- Atomics rework / implement relaxed accessors
- Retire legacy MMUv1,v2; ARC750 cores
- A few other build errors, typos"
* tag 'arc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (33 commits)
ARC: mm: vmalloc sync from kernel to user table to update PMD ...
ARC: mm: support 4 levels of page tables
ARC: mm: support 3 levels of page tables
ARC: mm: switch to asm-generic/pgalloc.h
ARC: mm: switch pgtable_t back to struct page *
ARC: mm: hack to allow 2 level build with 4 level code
ARC: mm: disintegrate pgtable.h into levels and flags
ARC: mm: disintegrate mmu.h (arcv2 bits out)
ARC: mm: move MMU specific bits out of entry code ...
ARC: mm: move MMU specific bits out of ASID allocator
ARC: mm: non-functional code movement/cleanup
ARC: mm: pmd_populate* to use the canonical set_pmd (and drop pmd_set)
ARC: ioremap: use more commonly used PAGE_KERNEL based uncached flag
ARC: mm: Enable STRICT_MM_TYPECHECKS
ARC: mm: Fixes to allow STRICT_MM_TYPECHECKS
ARC: mm: move mmu/cache externs out to setup.h
ARC: mm: remove tlb paranoid code
ARC: mm: use SCRATCH_DATA0 register for caching pgdir in ARCv2 only
ARC: retire MMUv1 and MMUv2 support
ARC: retire ARC750 support
...
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Linus Torvalds
|
063df71a57 |
RISC-V Patches for the 5.15 Merge Window, Part 1
* Support for PC-relative instructions (auipc and branches) in kprobes. * Support for forced IRQ threading. * Support for the hlt/nohlt kernel command line options, via the generic idle loop. * Support for showing the edge/level triggered behavior of interrupts in /proc/interrupts. * A handful of cleanups to our address mapping mechanisms. * Support for allocating gigantic hugepages via CMA. * Support for the undefined behavior sanitizer. * A handful of cleanups to the VDSO that allow the kernel to build with LLD. * Support for hugepage migration. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmEzxA4THHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYifuvD/93Tr9oAy6dwkGoa/VIzBc/nklCeTiO cv2W9eFQMG+PdRh1Ezi9FrLO6qZoADGOPPcnuc2HTTe58CWWWg0juC862H/N2k3V +3LGhHTv3E7NsEZNa4YhQXw6pPmj5OhbHab87HNowHpuNJGpKYE6Q+QbnYl5vorI 9YS10pRpqvO6tdHUW335Z5N0nW9X3HCHD6NUb1ZV8qd34QzP+XeCJMqVXpoOijNO 96lhyDYPivM2Rhi+uvtSjUeWzbddnN/P9IywfECddHFJyGvoEtiIROo9d2sR6pla lAa1YOw0ybD/UPHtL/diEU+K8ivNVKdRN/YvlzHS4CdCrPyuWSUmBMozsOBMBwf1 UZCMDwmP2sQkHu1Ht9g1fXwk2R85j1s+qE5cZEXyAEULKfHlmt4vygd1xgm8DTf9 xgS+np2g0frcmKU8cLPmC7Sr0YI1fPeDMRkBXTYE1SmBF3eHrZCCbeM1H97p2mUC zs/Dvyoj7e25HGyYqxN3lHZzhMluqh7wCQSOQMB2YxVwdiA4VjyjxLF4MKAdXL8i F1QTETsjLGu6UiMfNIQ4RVs981/fGYSANdOvMfwo447gVH6JaxC51sLo6YIDtXss tLzchHNu5IMNqB7XOb1gU8ZKeXruG9lrxwUOyEIYAVi6pHCbkdLV0A8ymwEjj06b aGV4xFPaAGvDLQ== =rDB3 -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-5.15-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Palmer Dabbelt: - support PC-relative instructions (auipc and branches) in kprobes - support for forced IRQ threading - support for the hlt/nohlt kernel command line options, via the generic idle loop - show the edge/level triggered behavior of interrupts in /proc/interrupts - a handful of cleanups to our address mapping mechanisms - support for allocating gigantic hugepages via CMA - support for the undefined behavior sanitizer (UBSAN) - a handful of cleanups to the VDSO that allow the kernel to build with LLD. - support for hugepage migration * tag 'riscv-for-linus-5.15-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (21 commits) riscv: add support for hugepage migration RISC-V: Fix VDSO build for !MMU riscv: use strscpy to replace strlcpy riscv: explicitly use symbol offsets for VDSO riscv: Enable Undefined Behavior Sanitizer UBSAN riscv: Keep the riscv Kconfig selects sorted riscv: Support allocating gigantic hugepages using CMA riscv: fix the global name pfn_base confliction error riscv: Move early fdt mapping creation in its own function riscv: Simplify BUILTIN_DTB device tree mapping handling riscv: Use __maybe_unused instead of #ifdefs around variable declarations riscv: Get rid of map_size parameter to create_kernel_page_table riscv: Introduce va_kernel_pa_offset for 32-bit kernel riscv: Optimize kernel virtual address conversion macro dt-bindings: riscv: add starfive jh7100 bindings riscv: Enable GENERIC_IRQ_SHOW_LEVEL riscv: Enable idle generic idle loop riscv: Allow forced irq threading riscv: Implement thread_struct whitelist for hardened usercopy riscv: kprobes: implement the branch instructions ... |
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Linus Torvalds
|
3fe617ccaf |
Enable '-Werror' by default for all kernel builds
... but make it a config option so that broken environments can disable it when required. We really should always have a clean build, and will disable specific over-eager warnings as required, if we can't fix them. But while I fairly religiously enforce that in my own tree, it doesn't get enforced by various build robots that don't necessarily report warnings. So this just makes '-Werror' a default compiler flag, but allows people to disable it for their configuration if they have some particular issues. Occasionally, new compiler versions end up enabling new warnings, and it can take a while before we have them fixed (or the warnings disabled if that is what it takes), so the config option allows for that situation. Hopefully this will mean that I get fewer pull requests that have new warnings that were not noticed by various automation we have in place. Knock wood. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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fd47ff55c9 |
More USB changes for 5.15-rc1
Here are some straggler USB-serial changes for 5.15-rc1. These were not included in the first pull request as they came in "late" from Johan and I had missed them in my pull request earlier this week. Nothing big in here, just some USB to serial driver updates and fixes. All of these were in linux-next before I pulled them into my tree, and have been in linux-next all this week from my tree with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYTMQHA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yn27ACeOFMj4BM0SnH69oxhXcbhIxpUEKIAoKugLy6O 8fm9N2JX//QBIMBPK3HJ =Vz2y -----END PGP SIGNATURE----- Merge tag 'usb-5.15-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull more USB updates from Greg KH: "Here are some straggler USB-serial changes for 5.15-rc1. These were not included in the first pull request as they came in "late" from Johan and I had missed them in my pull request earlier this week. Nothing big in here, just some USB to serial driver updates and fixes. All of these were in linux-next before I pulled them into my tree, and have been in linux-next all this week from my tree with no reported problems" * tag 'usb-5.15-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: serial: pl2303: fix GL type detection USB: serial: replace symbolic permissions by octal permissions USB: serial: cp210x: determine fw version for CP2105 and CP2108 USB: serial: cp210x: clean up type detection USB: serial: cp210x: clean up set-chars request USB: serial: cp210x: clean up control-request timeout USB: serial: cp210x: fix flow-control error handling USB: serial: cp210x: fix control-characters error handling USB: serial: io_edgeport: drop unused descriptor helper |
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Rafał Miłecki
|
63f8428b40 |
net: dsa: b53: Fix IMP port setup on BCM5301x
Broadcom's b53 switches have one IMP (Inband Management Port) that needs
to be programmed using its own designed register. IMP port may be
different than CPU port - especially on devices with multiple CPU ports.
For that reason it's required to explicitly note IMP port index and
check for it when choosing a register to use.
This commit fixes BCM5301x support. Those switches use CPU port 5 while
their IMP port is 8. Before this patch b53 was trying to program port 5
with B53_PORT_OVERRIDE_CTRL instead of B53_GMII_PORT_OVERRIDE_CTRL(5).
It may be possible to also replace "cpu_port" usages with
dsa_is_cpu_port() but that is out of the scope of thix BCM5301x fix.
Fixes:
|
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Willem de Bruijn
|
8a0ed250f9 |
ip_gre: validate csum_start only on pull
The GRE tunnel device can pull existing outer headers in ipge_xmit.
This is a rare path, apparently unique to this device. The below
commit ensured that pulling does not move skb->data beyond csum_start.
But it has a false positive if ip_summed is not CHECKSUM_PARTIAL and
thus csum_start is irrelevant.
Refine to exclude this. At the same time simplify and strengthen the
test.
Simplify, by moving the check next to the offending pull, making it
more self documenting and removing an unnecessary branch from other
code paths.
Strengthen, by also ensuring that the transport header is correct and
therefore the inner headers will be after skb_reset_inner_headers.
The transport header is set to csum_start in skb_partial_csum_set.
Link: https://lore.kernel.org/netdev/YS+h%2FtqCJJiQei+W@shredder/
Fixes:
|
||
|
Linus Torvalds
|
6b6dc4f40c |
MTD changes:
* blkdevs:
- Simplify the refcounting in blktrans_{open, release}
- Simplify blktrans_getgeo
- Remove blktrans_ref_mutex
- Simplify blktrans_dev_get
- Use lockdep_assert_held
- Don't hold del_mtd_blktrans_dev in blktrans_{open, release}
* ftl:
- Don't cast away the type when calling add_mtd_blktrans_dev
- Don't cast away the type when calling add_mtd_blktrans_dev
- Use container_of() rather than cast
- Fix use-after-free
- Add discard support
- Allow use of MTD_RAM for testing purposes
* concat:
- Check _read, _write callbacks existence before assignment
- Judge callback existence based on the master
* maps:
- Maps: remove dead MTD map driver for PMC-Sierra MSP boards
* mtdblock:
- Warn if added for a NAND device
- Add comment about UBI block devices
- Update old JFFS2 mention in Kconfig
* partitions:
- Redboot: convert to YAML
NAND core changes:
* Repair Miquel Raynal's email address in MAINTAINERS
* Fix a couple of spelling mistakes in Kconfig
* bbt: Skip bad blocks when searching for the BBT in NAND
* Remove never changed ret variable
Raw NAND changes:
* cafe: Fix a resource leak in the error handling path of 'cafe_nand_probe()'
* intel: Fix error handling in probe
* omap: Fix kernel doc warning on 'calcuate' typo
* gpmc: Fix the ECC bytes vs. OOB bytes equation
SPI-NAND core changes:
* Properly fill the OOB area.
* Fix comment
SPI-NAND drivers changes:
* macronix: Add Quad support for serial NAND flash
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Merge tag 'mtd/for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD changes:
- blkdevs:
- Simplify the refcounting in blktrans_{open, release}
- Simplify blktrans_getgeo
- Remove blktrans_ref_mutex
- Simplify blktrans_dev_get
- Use lockdep_assert_held
- Don't hold del_mtd_blktrans_dev in blktrans_{open, release}
- ftl:
- Don't cast away the type when calling add_mtd_blktrans_dev
- Don't cast away the type when calling add_mtd_blktrans_dev
- Use container_of() rather than cast
- Fix use-after-free
- Add discard support
- Allow use of MTD_RAM for testing purposes
- concat:
- Check _read, _write callbacks existence before assignment
- Judge callback existence based on the master
- maps:
- Maps: remove dead MTD map driver for PMC-Sierra MSP boards
- mtdblock:
- Warn if added for a NAND device
- Add comment about UBI block devices
- Update old JFFS2 mention in Kconfig
- partitions:
- Redboot: convert to YAML
NAND core changes:
- Repair Miquel Raynal's email address in MAINTAINERS
- Fix a couple of spelling mistakes in Kconfig
- bbt: Skip bad blocks when searching for the BBT in NAND
- Remove never changed ret variable
Raw NAND changes:
- cafe: Fix a resource leak in the error handling path of 'cafe_nand_probe()'
- intel: Fix error handling in probe
- omap: Fix kernel doc warning on 'calcuate' typo
- gpmc: Fix the ECC bytes vs. OOB bytes equation
SPI-NAND core changes:
- Properly fill the OOB area.
- Fix comment
SPI-NAND drivers changes:
- macronix: Add Quad support for serial NAND flash"
* tag 'mtd/for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (30 commits)
mtd: rawnand: cafe: Fix a resource leak in the error handling path of 'cafe_nand_probe()'
mtd_blkdevs: simplify the refcounting in blktrans_{open, release}
mtd_blkdevs: simplify blktrans_getgeo
mtd_blkdevs: remove blktrans_ref_mutex
mtd_blkdevs: simplify blktrans_dev_get
mtd/rfd_ftl: don't cast away the type when calling add_mtd_blktrans_dev
mtd/ftl: don't cast away the type when calling add_mtd_blktrans_dev
mtd_blkdevs: use lockdep_assert_held
mtd_blkdevs: don't hold del_mtd_blktrans_dev in blktrans_{open, release}
mtd: rawnand: intel: Fix error handling in probe
mtd: mtdconcat: Check _read, _write callbacks existence before assignment
mtd: mtdconcat: Judge callback existence based on the master
mtd: maps: remove dead MTD map driver for PMC-Sierra MSP boards
mtd: rfd_ftl: use container_of() rather than cast
mtd: rfd_ftl: fix use-after-free
mtd: rfd_ftl: add discard support
mtd: rfd_ftl: allow use of MTD_RAM for testing purposes
mtdblock: Warn if added for a NAND device
mtd: spinand: macronix: Add Quad support for serial NAND flash
mtdblock: Add comment about UBI block devices
...
|
||
Geert Uytterhoeven
|
0319b848b1 |
binfmt: a.out: Fix bogus semicolon
fs/binfmt_aout.c: In function ‘load_aout_library’:
fs/binfmt_aout.c:311:27: error: expected ‘)’ before ‘;’ token
311 | MAP_FIXED | MAP_PRIVATE;
| ^
fs/binfmt_aout.c:309:10: error: too few arguments to function ‘vm_mmap’
309 | error = vm_mmap(file, start_addr, ex.a_text + ex.a_data,
| ^~~~~~~
In file included from fs/binfmt_aout.c:12:
include/linux/mm.h:2626:35: note: declared here
2626 | extern unsigned long __must_check vm_mmap(struct file *, unsigned long,
| ^~~~~~~
Fix this by reverting the accidental replacement of a comma by a
semicolon.
Fixes:
|
||
David Decotigny
|
0a4fd8df07 |
bonding: complain about missing route only once for A/B ARP probes
On configs where there is no confirgured direct route to the target of the ARP probes, these probes are still sent and may be replied to properly, so no need to repeatedly complain about the missing route. Signed-off-by: David Decotigny <ddecotig@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
Antonio Quartulli
|
e5dd729460 |
ip/ip6_gre: use the same logic as SIT interfaces when computing v6LL address
GRE interfaces are not Ether-like and therefore it is not possible to generate the v6LL address the same way as (for example) GRETAP devices. With default settings, a GRE interface will attempt generating its v6LL address using the EUI64 approach, but this will fail when the local endpoint of the GRE tunnel is set to "any". In this case the GRE interface will end up with no v6LL address, thus violating RFC4291. SIT interfaces already implement a different logic to ensure that a v6LL address is always computed. Change the GRE v6LL generation logic to follow the same approach as SIT. This way GRE interfaces will always have a v6LL address as well. Behaviour of GRETAP interfaces has not been changed as they behave like classic Ether-like interfaces. To avoid code duplication sit_add_v4_addrs() has been renamed to add_v4_addrs() and adapted to handle also the IP6GRE/GRE cases. Signed-off-by: Antonio Quartulli <a@unstable.cc> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
Song Yoong Siang
|
81d0885d68 |
net: stmmac: Fix overall budget calculation for rxtx_napi
tx_done is not used for napi_complete_done(). Thus, NAPI busy polling
mechanism by gro_flush_timeout and napi_defer_hard_irqs will not able
be triggered after a packet is transmitted when there is no receive
packet.
Fix this by taking the maximum value between tx_done and rx_done as
overall budget completed by the rxtx NAPI poll to ensure XDP Tx ZC
operation is continuously polling for next Tx frame. This gives
benefit of lower packet submission processing latency and jitter
under XDP Tx ZC mode.
Performance of tx-only using xdp-sock on Intel ADL-S platform is
the same with and without this patch.
root@intel-corei7-64:~# ./xdpsock -i enp0s30f4 -t -z -q 1 -n 10
sock0@enp0s30f4:1 txonly xdp-drv
pps pkts 10.00
rx 0 0
tx 511630 8659520
sock0@enp0s30f4:1 txonly xdp-drv
pps pkts 10.00
rx 0 0
tx 511625 13775808
sock0@enp0s30f4:1 txonly xdp-drv
pps pkts 10.00
rx 0 0
tx 511619 18892032
Fixes:
|
||
Christophe JAILLET
|
45010c080e |
iwlwifi: pnvm: Fix a memory leak in 'iwl_pnvm_get_from_fs()'
A firmware is requested but never released in this function. This leads to
a memory leak in the normal execution path.
Add the missing 'release_firmware()' call.
Also introduce a temp variable (new_len) in order to keep the value of
'pnvm->size' after the firmware has been released.
Fixes:
|
||
Yang Li
|
0097ae5f7a |
NTB: perf: Fix an error code in perf_setup_inbuf()
When the function IS_ALIGNED() returns false, the value of ret is 0. So, we set ret to -EINVAL to indicate this error. Clean up smatch warning: drivers/ntb/test/ntb_perf.c:602 perf_setup_inbuf() warn: missing error code 'ret'. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Reviewed-by: Serge Semin <fancer.lancer@gmail.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> |
||
|
Yang Li
|
319f83ac98 |
NTB: Fix an error code in ntb_msit_probe()
When the value of nm->isr_ctx is false, the value of ret is 0. So, we set ret to -ENOMEM to indicate this error. Clean up smatch warning: drivers/ntb/test/ntb_msi_test.c:373 ntb_msit_probe() warn: missing error code 'ret'. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> |
||
Dave Jiang
|
f3b6b10fcc |
ntb: intel: remove invalid email address in header comment
Remove Jon's old email address. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> |
||
|
Linus Torvalds
|
49624efa65 |
Merge tag 'denywrite-for-5.15' of git://github.com/davidhildenbrand/linux
Pull MAP_DENYWRITE removal from David Hildenbrand:
"Remove all in-tree usage of MAP_DENYWRITE from the kernel and remove
VM_DENYWRITE.
There are some (minor) user-visible changes:
- We no longer deny write access to shared libaries loaded via legacy
uselib(); this behavior matches modern user space e.g. dlopen().
- We no longer deny write access to the elf interpreter after exec
completed, treating it just like shared libraries (which it often
is).
- We always deny write access to the file linked via /proc/pid/exe:
sys_prctl(PR_SET_MM_MAP/EXE_FILE) will fail if write access to the
file cannot be denied, and write access to the file will remain
denied until the link is effectivel gone (exec, termination,
sys_prctl(PR_SET_MM_MAP/EXE_FILE)) -- just as if exec'ing the file.
Cross-compiled for a bunch of architectures (alpha, microblaze, i386,
s390x, ...) and verified via ltp that especially the relevant tests
(i.e., creat07 and execve04) continue working as expected"
* tag 'denywrite-for-5.15' of git://github.com/davidhildenbrand/linux:
fs: update documentation of get_write_access() and friends
mm: ignore MAP_DENYWRITE in ksys_mmap_pgoff()
mm: remove VM_DENYWRITE
binfmt: remove in-tree usage of MAP_DENYWRITE
kernel/fork: always deny write access to current MM exe_file
kernel/fork: factor out replacing the current MM exe_file
binfmt: don't use MAP_DENYWRITE when loading shared libraries via uselib()
|
||
|
Linus Torvalds
|
f7464060f7 |
Merge git://github.com/Paragon-Software-Group/linux-ntfs3
Merge NTFSv3 filesystem from Konstantin Komarov: "This patch adds NTFS Read-Write driver to fs/ntfs3. Having decades of expertise in commercial file systems development and huge test coverage, we at Paragon Software GmbH want to make our contribution to the Open Source Community by providing implementation of NTFS Read-Write driver for the Linux Kernel. This is fully functional NTFS Read-Write driver. Current version works with NTFS (including v3.1) and normal/compressed/sparse files and supports journal replaying. We plan to support this version after the codebase once merged, and add new features and fix bugs. For example, full journaling support over JBD will be added in later updates" Link: https://lore.kernel.org/lkml/20210729134943.778917-1-almaz.alexandrovich@paragon-software.com/ Link: https://lore.kernel.org/lkml/aa4aa155-b9b2-9099-b7a2-349d8d9d8fbd@paragon-software.com/ * git://github.com/Paragon-Software-Group/linux-ntfs3: (35 commits) fs/ntfs3: Change how module init/info messages are displayed fs/ntfs3: Remove GPL boilerplates from decompress lib files fs/ntfs3: Remove unnecessary condition checking from ntfs_file_read_iter fs/ntfs3: Fix integer overflow in ni_fiemap with fiemap_prep() fs/ntfs3: Restyle comments to better align with kernel-doc fs/ntfs3: Rework file operations fs/ntfs3: Remove fat ioctl's from ntfs3 driver for now fs/ntfs3: Restyle comments to better align with kernel-doc fs/ntfs3: Fix error handling in indx_insert_into_root() fs/ntfs3: Potential NULL dereference in hdr_find_split() fs/ntfs3: Fix error code in indx_add_allocate() fs/ntfs3: fix an error code in ntfs_get_acl_ex() fs/ntfs3: add checks for allocation failure fs/ntfs3: Use kcalloc/kmalloc_array over kzalloc/kmalloc fs/ntfs3: Do not use driver own alloc wrappers fs/ntfs3: Use kernel ALIGN macros over driver specific fs/ntfs3: Restyle comment block in ni_parse_reparse() fs/ntfs3: Remove unused including <linux/version.h> fs/ntfs3: Fix fall-through warnings for Clang fs/ntfs3: Fix one none utf8 char in source file ... |
||
|
Linus Torvalds
|
6abaa83c73 |
f2fs-for-5.15-rc1
In this cycle, we've addressed some performance issues such as lock contention, misbehaving compress_cache, allowing extent_cache for compressed files, and new sysfs to adjust ra_size for fadvise. In order to diagnose the performance issues quickly, we also added an iostat which shows the IO latencies periodically. On the stability side, we've found two memory leakage cases in the error path in compression flow. And, we've also fixed various corner cases in fiemap, quota, checkpoint=disable, zstd, and so on. Enhancement: - avoid long checkpoint latency by releasing nat_tree_lock - collect and show iostats periodically - support extent_cache for compressed files - add a sysfs entry to manage ra_size given fadvise(POSIX_FADV_SEQUENTIAL) - report f2fs GC status via sysfs - add discard_unit=%s in mount option to handle zoned device Bug fix: - fix two memory leakages when an error happens in the compressed IO flow - fix commpress_cache to get the right LBA - fix fiemap to deal with compressed case correctly - fix wrong EIO returns due to SBI_NEED_FSCK - fix missing writes when enabling checkpoint back - fix quota deadlock - fix zstd level mount option In addition to the above major updates, we've cleaned up several code paths such as dio, unnecessary operations, debugfs/f2fs/status, sanity check, and typos. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE00UqedjCtOrGVvQiQBSofoJIUNIFAmEyw1sACgkQQBSofoJI UNLJmA/+NHUgwUjLMcHvmLyp6QYpQDZtKj93/sRDo+YHOYNdYFjWWUb329PYTKWS kEdzApCP+KHfVxeSkiL/x3qWP+RlTkIf96P0kR3/BKi0tjg25G2riFWztusDDFpt xi+AW5sUFDvIx1tFumvQHAQedSwBgcZ96ovT5EwxEuONkljhZC9phEC6vSXz9nOR e2EQIyezbC5O21np1KSeqSgqRMpVkJkVcEHy4VmpMBCLMOOYPepWwKw+yPaV/jR/ zUXdo2/53vma50M5LCDPCtjCtWQgLoeNeGLxyjfzQuTJU6TmtPY65JObLPt6pUSj fRW6qIziTZbVYXzOWBD0EYilv2N4c3BNJdhQCpx2Vyjw9/LLxzqKPOUyzBoa1kjY eZVvmaLXVCKsoJdHDSi7OH/4BqS6SuSZE8eO/nGkgswqiErHZ0Vwl3bFCWC7r/Bk r2U5spJx/83XO6c9H1bzeWEies1DRtwnCDIRRuw35RtJ4uHZaqCfkuJ7rOBwC90X 4SpaAKdUxP2RWc3GKELBIhaqPn7vyMy9ile6VU14PjM8UcY5hyE87T2azqR8gGut nVjRL4cbMGTPj6m1Qj8KqBRSaLuShe6AncUy7bNGiM+JlcLcdB6OJ1ZYLl9hjx2r TbIouXThgcZ4SIK0DEaBLKz2b9/0TfaO9gw1XzpRma+bWA1pApM= =W67o -----END PGP SIGNATURE----- Merge tag 'f2fs-for-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs updates from Jaegeuk Kim: "In this cycle, we've addressed some performance issues such as lock contention, misbehaving compress_cache, allowing extent_cache for compressed files, and new sysfs to adjust ra_size for fadvise. In order to diagnose the performance issues quickly, we also added an iostat which shows the IO latencies periodically. On the stability side, we've found two memory leakage cases in the error path in compression flow. And, we've also fixed various corner cases in fiemap, quota, checkpoint=disable, zstd, and so on. Enhancements: - avoid long checkpoint latency by releasing nat_tree_lock - collect and show iostats periodically - support extent_cache for compressed files - add a sysfs entry to manage ra_size given fadvise(POSIX_FADV_SEQUENTIAL) - report f2fs GC status via sysfs - add discard_unit=%s in mount option to handle zoned device Bug fixes: - fix two memory leakages when an error happens in the compressed IO flow - fix commpress_cache to get the right LBA - fix fiemap to deal with compressed case correctly - fix wrong EIO returns due to SBI_NEED_FSCK - fix missing writes when enabling checkpoint back - fix quota deadlock - fix zstd level mount option In addition to the above major updates, we've cleaned up several code paths such as dio, unnecessary operations, debugfs/f2fs/status, sanity check, and typos" * tag 'f2fs-for-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (46 commits) f2fs: should put a page beyond EOF when preparing a write f2fs: deallocate compressed pages when error happens f2fs: enable realtime discard iff device supports discard f2fs: guarantee to write dirty data when enabling checkpoint back f2fs: fix to unmap pages from userspace process in punch_hole() f2fs: fix unexpected ENOENT comes from f2fs_map_blocks() f2fs: fix to account missing .skipped_gc_rwsem f2fs: adjust unlock order for cleanup f2fs: Don't create discard thread when device doesn't support realtime discard f2fs: rebuild nat_bits during umount f2fs: introduce periodic iostat io latency traces f2fs: separate out iostat feature f2fs: compress: do sanity check on cluster f2fs: fix description about main_blkaddr node f2fs: convert S_IRUGO to 0444 f2fs: fix to keep compatibility of fault injection interface f2fs: support fault injection for f2fs_kmem_cache_alloc() f2fs: compress: allow write compress released file after truncate to zero f2fs: correct comment in segment.h f2fs: improve sbi status info in debugfs/f2fs/status ... |
||
Phillip Potter
|
55d1308bdf |
cdrom: update uniform CD-ROM maintainership in MAINTAINERS file
Update maintainership for the uniform CD-ROM driver from Jens Axboe to Phillip Potter in MAINTAINERS file, to reflect the attempt to pass on maintainership of this driver to a different individual. Also remove URL to site which is no longer active. Suggested-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Phillip Potter <phil@philpotter.co.uk> Link: https://lore.kernel.org/r/20210904174030.1103-1-phil@philpotter.co.uk Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Linus Torvalds
|
0961f0c00e |
NFS Client Updates for Linux 5.15
- New Features: - Better client responsiveness when server isn't replying - Use refcount_t in sunrpc rpc_client refcount tracking - Add srcaddr and dst_port to the sunrpc sysfs info files - Add basic support for connection sharing between servers with multiple NICs` - Bugfixes and Cleanups: - Sunrpc tracepoint cleanups - Disconnect after ib_post_send() errors to avoid deadlocks - Fix for tearing down rpcrdma_reps - Fix a potential pNFS layoutget livelock loop - pNFS layout barrier fixes - Fix a potential memory corruption in rpc_wake_up_queued_task_set_status() - Fix reconnection locking - Fix return value of get_srcport() - Remove rpcrdma_post_sends() - Remove pNFS dead code - Remove copy size restriction for inter-server copies - Overhaul the NFS callback service - Clean up sunrpc TCP socket shutdowns - Always provide aligned buffers to RPC read layers -----BEGIN PGP SIGNATURE----- iQIyBAABCAAdFiEEnZ5MQTpR7cLU7KEp18tUv7ClQOsFAmExP7AACgkQ18tUv7Cl QOshTg/zBz7OfrS23CcLLgNidTJ6S7JOuj1DShG+YzsYXT8f9Nl1DadLM7yAEyok 6JZzC8rXYzJcmYztHZzRyTuzj1+tGGb0u/MrD0bBk42VEel6eOjH/Y9ybn12Gf/E aqlcJh8hPx44U8oo5EFjRJsg2h28O06vywqhJz+sTbkqKN4hlAgMOo5ysAB+1thg BrTlR84EKBw5QqxPJ1WPmq9tEyGebU9Yrj1p8f0Uf015IeRNeTOXx3NzmdPshphf 2yJvjumwEzqkcHXTJFDfP6ikIcGPPMNVAOK8DHb+vDGzNsOXW7dDM7GuWA3U8DlU ZHvyyb05Wwe6Wwg8xwx90FEXcYZFfZbSKmI9z2uoOuGFzNG07zWzPDzRft+qrOvU VMMwP9oEh71+qesmWTvqIbR2RjxqbCYlTcc8mBrD66DROi6jZ2jznraNC85sxG0Q b8GE+2SnYr2Q25yehj2xrRlOXyiYNkeeYmIpIquEqH9o7cSyDNJhBWbzIv6x+ith O/S06ZVKMc9X1nH5t5121XcHrSTMMVA/67WMyKfKMxWnrADAWPQALG+ttoTcbRu7 Txew3Jb+hB8+ZdHAqbPf1l1i+7USQl1CRHMw3GRvNjCL2qcjZb1R7eyJRSQQtUyw q6SJRGe6Sn1FTUnn96Hv15Zy8VHx+q0cOL/EQVzL1RzJIXYcag== =Ad/3 -----END PGP SIGNATURE----- Merge tag 'nfs-for-5.15-1' of git://git.linux-nfs.org/projects/anna/linux-nfs Pull NFS client updates from Anna Schumaker: "New Features: - Better client responsiveness when server isn't replying - Use refcount_t in sunrpc rpc_client refcount tracking - Add srcaddr and dst_port to the sunrpc sysfs info files - Add basic support for connection sharing between servers with multiple NICs` Bugfixes and Cleanups: - Sunrpc tracepoint cleanups - Disconnect after ib_post_send() errors to avoid deadlocks - Fix for tearing down rpcrdma_reps - Fix a potential pNFS layoutget livelock loop - pNFS layout barrier fixes - Fix a potential memory corruption in rpc_wake_up_queued_task_set_status() - Fix reconnection locking - Fix return value of get_srcport() - Remove rpcrdma_post_sends() - Remove pNFS dead code - Remove copy size restriction for inter-server copies - Overhaul the NFS callback service - Clean up sunrpc TCP socket shutdowns - Always provide aligned buffers to RPC read layers" * tag 'nfs-for-5.15-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (39 commits) NFS: Always provide aligned buffers to the RPC read layers NFSv4.1 add network transport when session trunking is detected SUNRPC enforce creation of no more than max_connect xprts NFSv4 introduce max_connect mount options SUNRPC add xps_nunique_destaddr_xprts to xprt_switch_info in sysfs SUNRPC keep track of number of transports to unique addresses NFSv3: Delete duplicate judgement in nfs3_async_handle_jukebox SUNRPC: Tweak TCP socket shutdown in the RPC client SUNRPC: Simplify socket shutdown when not reusing TCP ports NFSv4.2: remove restriction of copy size for inter-server copy. NFS: Clean up the synopsis of callback process_op() NFS: Extract the xdr_init_encode/decode() calls from decode_compound NFS: Remove unused callback void decoder NFS: Add a private local dispatcher for NFSv4 callback operations SUNRPC: Eliminate the RQ_AUTHERR flag SUNRPC: Set rq_auth_stat in the pg_authenticate() callout SUNRPC: Add svc_rqst::rq_auth_stat SUNRPC: Add dst_port to the sysfs xprt info file SUNRPC: Add srcaddr as a file in sysfs sunrpc: Fix return value of get_srcport() ... |
||
|
Christophe JAILLET
|
ecbd690b52 |
octeontx2-af: Fix some memory leaks in the error handling path of 'cgx_lmac_init()'
Memory allocated before 'lmac' is stored in 'cgx->lmac_idmap[]' must be
freed explicitly. Otherwise, in case of error, it will leak.
Rename the 'err_irq' label to better describe what is done at this place in
the error handling path.
Fixes:
|
||
|
Christophe JAILLET
|
d863ca67bb |
octeontx2-af: Add a 'rvu_free_bitmap()' function
In order to match 'rvu_alloc_bitmap()', add a 'rvu_free_bitmap()' function Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Yang Li
|
7db8263a12 |
ethtool: Fix an error code in cxgb2.c
When adapter->registered_device_map is NULL, the value of err is uncertain, we set err to -EINVAL to avoid ambiguity. Clean up smatch warning: drivers/net/ethernet/chelsio/cxgb/cxgb2.c:1114 init_one() warn: missing error code 'err' Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
Dinghao Liu
|
9ddbc2a00d |
qlcnic: Remove redundant unlock in qlcnic_pinit_from_rom
Previous commit |
||
Eric Dumazet
|
c7c5e6ff53 |
fq_codel: reject silly quantum parameters
syzbot found that forcing a big quantum attribute would crash hosts fast,
essentially using this:
tc qd replace dev eth0 root fq_codel quantum 4294967295
This is because fq_codel_dequeue() would have to loop
~2^31 times in :
if (flow->deficit <= 0) {
flow->deficit += q->quantum;
list_move_tail(&flow->flowchain, &q->old_flows);
goto begin;
}
SFQ max quantum is 2^19 (half a megabyte)
Lets adopt a max quantum of one megabyte for FQ_CODEL.
Fixes:
|
||
Tetsuo Handa
|
1c500ad706 |
loop: reduce the loop_ctl_mutex scope
syzbot is reporting circular locking problem at __loop_clr_fd() [1], for commit |
||
|
Jakub Kicinski
|
10905b4a68 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says: ==================== Netfilter fixes for net 1) Protect nft_ct template with global mutex, from Pavel Skripkin. 2) Two recent commits switched inet rt and nexthop exception hashes from jhash to siphash. If those two spots are problematic then conntrack is affected as well, so switch voer to siphash too. While at it, add a hard upper limit on chain lengths and reject insertion if this is hit. Patches from Florian Westphal. 3) Fix use-after-scope in nf_socket_ipv6 reported by KASAN, from Benjamin Hesmans. * git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf: netfilter: socket: icmp6: fix use-after-scope netfilter: refuse insertion if chain has grown too large netfilter: conntrack: switch to siphash netfilter: conntrack: sanitize table size default settings netfilter: nft_ct: protect nft_ct_pcpu_template_refcnt with mutex ==================== Link: https://lore.kernel.org/r/20210903163020.13741-1-pablo@netfilter.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Dan Carpenter
|
52a67fbf0c |
ionic: fix a sleeping in atomic bug
This code is holding spin_lock_bh(&lif->rx_filters.lock); so the
allocation needs to be atomic.
Fixes:
|
||
Jens Axboe
|
2fc2a7a62e |
io_uring: io_uring_complete() trace should take an integer
It currently takes a long, and while that's normally OK, the io_uring limit is an int. Internally in io_uring it's an int, but sometimes it's passed as a long. That can yield confusing results where a completions seems to generate a huge result: ou-sqp-1297-1298 [001] ...1 788.056371: io_uring_complete: ring 000000000e98e046, user_data 0x0, result 4294967171, cflags 0 which is due to -ECANCELED being stored in an unsigned, and then passed in as a long. Using the right int type, the trace looks correct: iou-sqp-338-339 [002] ...1 15.633098: io_uring_complete: ring 00000000e0ac60cf, user_data 0x0, result -125, cflags 0 Cc: stable@vger.kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Linus Torvalds
|
f1583cb1be |
linux-kselftest-next-5.15-rc1
This Kselftest update for Linux 5.15-rc1 consists of fixes to build
and test failures.
-- openat2 test failure for O_LARGEFILE flag on ARM64
-- x86 test build failures related to glibc 2.34 adding
support for variable sized MINSIGSTKSZ and SIGSTKSZ
-- removing obsolete configs in sync and cpufreq config files
-- minor spelling and duplicate header include cleanups
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Merge tag 'linux-kselftest-next-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest updates from Shuah Khan:
"Fixes to build and test failures:
- openat2 test failure for O_LARGEFILE flag on ARM64
- x86 test build failures related to glibc 2.34 adding support for
variable sized MINSIGSTKSZ and SIGSTKSZ
- removing obsolete configs in sync and cpufreq config files
- minor spelling and duplicate header include cleanups"
* tag 'linux-kselftest-next-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/cpufreq: Rename DEBUG_PI_LIST to DEBUG_PLIST
selftests/sync: Remove the deprecated config SYNC
selftests: safesetid: Fix spelling mistake "cant" -> "can't"
selftests/x86: Fix error: variably modified 'altstack_data' at file scope
kselftest:sched: remove duplicate include in cs_prctl_test.c
selftests: openat2: Fix testing failure for O_LARGEFILE flag
|
||
|
Linus Torvalds
|
b250e6d141 |
Kbuild updates for v5.15
- Add -s option (strict mode) to merge_config.sh to make it fail when
any symbol is redefined.
- Show a warning if a different compiler is used for building external
modules.
- Infer --target from ARCH for CC=clang to let you cross-compile the
kernel without CROSS_COMPILE.
- Make the integrated assembler default (LLVM_IAS=1) for CC=clang.
- Add <linux/stdarg.h> to the kernel source instead of borrowing
<stdarg.h> from the compiler.
- Add Nick Desaulniers as a Kbuild reviewer.
- Drop stale cc-option tests.
- Fix the combination of CONFIG_TRIM_UNUSED_KSYMS and CONFIG_LTO_CLANG
to handle symbols in inline assembly.
- Show a warning if 'FORCE' is missing for if_changed rules.
- Various cleanups
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Merge tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add -s option (strict mode) to merge_config.sh to make it fail when
any symbol is redefined.
- Show a warning if a different compiler is used for building external
modules.
- Infer --target from ARCH for CC=clang to let you cross-compile the
kernel without CROSS_COMPILE.
- Make the integrated assembler default (LLVM_IAS=1) for CC=clang.
- Add <linux/stdarg.h> to the kernel source instead of borrowing
<stdarg.h> from the compiler.
- Add Nick Desaulniers as a Kbuild reviewer.
- Drop stale cc-option tests.
- Fix the combination of CONFIG_TRIM_UNUSED_KSYMS and CONFIG_LTO_CLANG
to handle symbols in inline assembly.
- Show a warning if 'FORCE' is missing for if_changed rules.
- Various cleanups
* tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (39 commits)
kbuild: redo fake deps at include/ksym/*.h
kbuild: clean up objtool_args slightly
modpost: get the *.mod file path more simply
checkkconfigsymbols.py: Fix the '--ignore' option
kbuild: merge vmlinux_link() between ARCH=um and other architectures
kbuild: do not remove 'linux' link in scripts/link-vmlinux.sh
kbuild: merge vmlinux_link() between the ordinary link and Clang LTO
kbuild: remove stale *.symversions
kbuild: remove unused quiet_cmd_update_lto_symversions
gen_compile_commands: extract compiler command from a series of commands
x86: remove cc-option-yn test for -mtune=
arc: replace cc-option-yn uses with cc-option
s390: replace cc-option-yn uses with cc-option
ia64: move core-y in arch/ia64/Makefile to arch/ia64/Kbuild
sparc: move the install rule to arch/sparc/Makefile
security: remove unneeded subdir-$(CONFIG_...)
kbuild: sh: remove unused install script
kbuild: Fix 'no symbols' warning when CONFIG_TRIM_UNUSD_KSYMS=y
kbuild: Switch to 'f' variants of integrated assembler flag
kbuild: Shuffle blank line to improve comment meaning
...
|
||
|
Linus Torvalds
|
4e71add028 |
Merge branch 'stable/for-linus-5.15-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft
Pull ibft fix from Konrad Rzeszutek Wilk: "An arm64 compile fix for the new code that fixed the iBFT KASLR handling. I missed the original 0-day build email report" * 'stable/for-linus-5.15-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft: iscsi_ibft: Fix isa_bus_to_virt not working under ARM |
||
|
Linus Torvalds
|
7cca308cfd |
powerpc updates for 5.15
- Convert pseries & powernv to use MSI IRQ domains.
- Rework the pseries CPU numbering so that CPUs that are removed, and later re-added, are
given a CPU number on the same node as previously, when possible.
- Add support for a new more flexible device-tree format for specifying NUMA distances.
- Convert powerpc to GENERIC_PTDUMP.
- Retire sbc8548 and sbc8641d board support.
- Various other small features and fixes.
Thanks to: Alexey Kardashevskiy, Aneesh Kumar K.V, Anton Blanchard, Cédric Le Goater,
Christophe Leroy, Emmanuel Gil Peyrot, Fabiano Rosas, Fangrui Song, Finn Thain, Gautham R.
Shenoy, Hari Bathini, Joel Stanley, Jordan Niethe, Kajol Jain, Laurent Dufour, Leonardo
Bras, Lukas Bulwahn, Marc Zyngier, Masahiro Yamada, Michal Suchanek, Nathan Chancellor,
Nicholas Piggin, Parth Shah, Paul Gortmaker, Pratik R. Sampat, Randy Dunlap, Sebastian
Andrzej Siewior, Srikar Dronamraju, Wan Jiabing, Xiongwei Song, Zheng Yongjun.
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Merge tag 'powerpc-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Convert pseries & powernv to use MSI IRQ domains.
- Rework the pseries CPU numbering so that CPUs that are removed, and
later re-added, are given a CPU number on the same node as
previously, when possible.
- Add support for a new more flexible device-tree format for specifying
NUMA distances.
- Convert powerpc to GENERIC_PTDUMP.
- Retire sbc8548 and sbc8641d board support.
- Various other small features and fixes.
Thanks to Alexey Kardashevskiy, Aneesh Kumar K.V, Anton Blanchard,
Cédric Le Goater, Christophe Leroy, Emmanuel Gil Peyrot, Fabiano Rosas,
Fangrui Song, Finn Thain, Gautham R. Shenoy, Hari Bathini, Joel
Stanley, Jordan Niethe, Kajol Jain, Laurent Dufour, Leonardo Bras, Lukas
Bulwahn, Marc Zyngier, Masahiro Yamada, Michal Suchanek, Nathan
Chancellor, Nicholas Piggin, Parth Shah, Paul Gortmaker, Pratik R.
Sampat, Randy Dunlap, Sebastian Andrzej Siewior, Srikar Dronamraju, Wan
Jiabing, Xiongwei Song, and Zheng Yongjun.
* tag 'powerpc-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (154 commits)
powerpc/bug: Cast to unsigned long before passing to inline asm
powerpc/ptdump: Fix generic ptdump for 64-bit
KVM: PPC: Fix clearing never mapped TCEs in realmode
powerpc/pseries/iommu: Rename "direct window" to "dma window"
powerpc/pseries/iommu: Make use of DDW for indirect mapping
powerpc/pseries/iommu: Find existing DDW with given property name
powerpc/pseries/iommu: Update remove_dma_window() to accept property name
powerpc/pseries/iommu: Reorganize iommu_table_setparms*() with new helper
powerpc/pseries/iommu: Add ddw_property_create() and refactor enable_ddw()
powerpc/pseries/iommu: Allow DDW windows starting at 0x00
powerpc/pseries/iommu: Add ddw_list_new_entry() helper
powerpc/pseries/iommu: Add iommu_pseries_alloc_table() helper
powerpc/kernel/iommu: Add new iommu_table_in_use() helper
powerpc/pseries/iommu: Replace hard-coded page shift
powerpc/numa: Update cpu_cpu_map on CPU online/offline
powerpc/numa: Print debug statements only when required
powerpc/numa: convert printk to pr_xxx
powerpc/numa: Drop dbg in favour of pr_debug
powerpc/smp: Enable CACHE domain for shared processor
powerpc/smp: Update cpu_core_map on all PowerPc systems
...
|
||
|
Linus Torvalds
|
11d5576880 |
parisc architecture fixes for kernel 5.15-rc1:
Fix an unaligned-access crash in the bootloader and drop asm/swab.h. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQS86RI+GtKfB8BJu973ErUQojoPXwUCYTHYXgAKCRD3ErUQojoP X1afAQCytCoygzHd6EyP6imoXsllx9hjzNHsii84zevhfQkBmQD9HARGlx23iYa+ oXBuOL+pPKcauLVMFTIVKTvLtlrjbw4= =KH1L -----END PGP SIGNATURE----- Merge tag 'for-5.15/parisc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc architecture fixes from Helge Deller: "Fix an unaligned-access crash in the bootloader and drop asm/swab.h" * tag 'for-5.15/parisc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Fix unaligned-access crash in bootloader parisc: Drop __arch_swab16(), arch_swab24(), _arch_swab32() and __arch_swab64() functions |
||
|
Linus Torvalds
|
d6742212c0 |
- converted Pistachio platform to use MIPS generic kernel
- fixes and cleanups -----BEGIN PGP SIGNATURE----- iQJOBAABCAA4FiEEbt46xwy6kEcDOXoUeZbBVTGwZHAFAmEx9dUaHHRzYm9nZW5k QGFscGhhLmZyYW5rZW4uZGUACgkQeZbBVTGwZHA0xQ/8D1gvh1fURnwLrDjNyydC yOVngOviRgI/3vZj3i1dSLEXskCVjXYhFJLtMUuwiTH5J3b5ToxjjKfp3MZv55BV 04B11YuXXqDQ6fzXCmaPNK6jfgq4DmZZSGx3hx2H7HLq749WrxiReTK4bmwizH3V 2A2I7DDTUhGG4L3ThDMiQO17aRfR7C+5eltRvyCJeGTnvyB67x6eOkOSBcreJSVj iCshM7XkCXEsLjdvv0XOiOWZJLTjMoEyQm+uQya7wkS6/0PZ4MQqou+WvppDH0Sc w/36lSaMYSuP2KqcXLehfhdPCQpWxfvcOn4j0Z5yBZ3ADzBN44s6S3MEgncvona3 w4ki0ZCHzpPa81Z15Fn9EIHAQ7H9XIpnTTByZjbBI+6Ch7MSfQv0yUqKPc2Hyl6a DksVSKyrC78iNOhtjFVOpjW8rJ47GWI25nbFyADeZWoyjX35FWiDQJWn5K5Aa6+D RBTHGbMcaAiuTauUpDKvxaWmT+NyB0WUjxpMdqg2BLQcv3CvcrTR39zVrBBvG0mM BoMjCR60q8MSG/NBlZt03FEhJXsu2UZFFMfilIkJmNjoB7VANLexPsU+jI6LjT36 qiVZKXHtR/NpbBdOSk+DXFh0QyAStJ1mfZ6yQ0xYyBvhn6bISIK7nn6LhFtVmN85 kUTOZuQhQ6qigRu++i1sb3U= =mKyO -----END PGP SIGNATURE----- Merge tag 'mips_5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS updates from Thomas Bogendoerfer: - converted Pistachio platform to use MIPS generic kernel - fixes and cleanups * tag 'mips_5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (29 commits) MIPS: Malta: fix alignment of the devicetree buffer MIPS: ingenic: Unconditionally enable clock of CPU #0 MIPS: mscc: ocelot: mark the phy-mode for internal PHY ports MIPS: mscc: ocelot: disable all switch ports by default MAINTAINERS: adjust PISTACHIO SOC SUPPORT after its retirement MIPS: Return true/false (not 1/0) from bool functions MIPS: generic: Return true/false (not 1/0) from bool functions MIPS: Make a alias for pistachio_defconfig MIPS: Retire MACH_PISTACHIO MIPS: config: generic: Add config for Marduk board pinctrl: pistachio: Make it as an option phy: pistachio-usb: Depend on MIPS || COMPILE_TEST clocksource/drivers/pistachio: Make it selectable for MIPS clk: pistachio: Make it selectable for generic MIPS kernel MIPS: DTS: Pistachio add missing cpc and cdmm MIPS: generic: Allow generating FIT image for Marduk board MIPS: locking/atomic: Fix atomic{_64,}_sub_if_positive MIPS: loongson2ef: don't build serial.o unconditionally MIPS: Replace deprecated CPU-hotplug functions. MIPS: Alchemy: Fix spelling contraction "cant" -> "can't" ... |
||
|
Linus Torvalds
|
603eefda5f |
OpenRISC updates for 5.15
A few cleanups and compiler warning fixes for OpenRISC. Also, this includes dts and defconfig updates to enable Ethernet on OpenRISC/Litex FPGA SoC's now that the LiteEth driver has gone upstream. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE2cRzVK74bBA6Je/xw7McLV5mJ+QFAmExPQ0ACgkQw7McLV5m J+Qj0Q//bW0kYR8b4TAYm9d1NY0LaUrx6eE0mOIYj5vLMUx4l3vVOiTwsi4UdcCO 7Pw1x/EyRwZV1pW7jw6w4C+TZS9nniMQeNeJKddFMhdMFotfL2AWvaIaC9VHvKL5 vusrT3LhF3z73R4QBmDUAE9QghUJlVXyBzGRNKKpuK3kX/1m0X3GLyRWCAjuBhia /yqeM8XUFDMUNEdu3Aoc9JckFc62Ri6BYPVk4ePqfTRSW8oTPXgIw2l39aw4sJPM fS6BAJvAUIcoXjGK5utzg02Iz5Nf+gT4jYJ/2ZS5MWmbCxy20RK9lFTD/wbHh6F0 34/xIRjDNWAfbC+w6smnZedheJHe3ca0/ss+JhQ4PRyTQGx4looiYayy5cYUcwqy uYTg/+rPJ7JIJBXYS28gFiOBlSGpdGpGUClD4WQc2zuFtmoYN7VNGHnwXuktSuVz U3h/g0GmGtiB/8SU/1Hh2F1Ga1U3g4C2ITcP5HUK1RPTzFxGYY/VlzutehUTmWmg qnWSE95Ci8PoBVzX44KPvh5HfL3TMtwp3r0zKTysDCfBg0dIH7LHHiadXlDpAMdB wdMrReUEetgQZnX8IJZUyWo0AzU/AUOHtjx3P8NW61ObGHCGd9yMQivUVijwtJxV a74yxdJh31vEbYbgPpURs88IByXteS/X7M1IqYcocOlpHjQMNIA= =md7e -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://github.com/openrisc/linux Pull OpenRISC updates from Stafford Horne: "A few cleanups and compiler warning fixes for OpenRISC. Also, this includes dts and defconfig updates to enable Ethernet on OpenRISC/Litex FPGA SoC's now that the LiteEth driver has gone upstream" * tag 'for-linus' of git://github.com/openrisc/linux: openrisc/litex: Update defconfig openrisc/litex: Add ethernet device openrisc/litex: Update uart address openrisc: Fix compiler warnings in setup openrisc: rename or32 code & comments to or1k openrisc: don't printk() unconditionally |
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Linus Torvalds
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50ddcdb263 |
Livepatching changes for 5.15
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Linus Torvalds
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69a5c49a91 |
IOMMU Updates for Linux v5.15
Including:
- New DART IOMMU driver for Apple Silicon M1 chips.
- Optimizations for iommu_[map/unmap] performance
- Selective TLB flush support for the AMD IOMMU driver to make
it more efficient on emulated IOMMUs.
- Rework IOVA setup and default domain type setting to move more
code out of IOMMU drivers and to support runtime switching
between certain types of default domains.
- VT-d Updates from Lu Baolu:
- Update the virtual command related registers
- Enable Intel IOMMU scalable mode by default
- Preset A/D bits for user space DMA usage
- Allow devices to have more than 32 outstanding PRs
- Various cleanups
- ARM SMMU Updates from Will Deacon:
- SMMUv3: Minor optimisation to avoid zeroing struct members on CMD submission
- SMMUv3: Increased use of batched commands to reduce submission latency
- SMMUv3: Refactoring in preparation for ECMDQ support
- SMMUv2: Fix races when probing devices with identical StreamIDs
- SMMUv2: Optimise walk cache flushing for Qualcomm implementations
- SMMUv2: Allow deep sleep states for some Qualcomm SoCs with shared clocks
- Various smaller optimizations, cleanups, and fixes
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Merge tag 'iommu-updates-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- New DART IOMMU driver for Apple Silicon M1 chips
- Optimizations for iommu_[map/unmap] performance
- Selective TLB flush support for the AMD IOMMU driver to make it more
efficient on emulated IOMMUs
- Rework IOVA setup and default domain type setting to move more code
out of IOMMU drivers and to support runtime switching between certain
types of default domains
- VT-d Updates from Lu Baolu:
- Update the virtual command related registers
- Enable Intel IOMMU scalable mode by default
- Preset A/D bits for user space DMA usage
- Allow devices to have more than 32 outstanding PRs
- Various cleanups
- ARM SMMU Updates from Will Deacon:
SMMUv3:
- Minor optimisation to avoid zeroing struct members on CMD submission
- Increased use of batched commands to reduce submission latency
- Refactoring in preparation for ECMDQ support
SMMUv2:
- Fix races when probing devices with identical StreamIDs
- Optimise walk cache flushing for Qualcomm implementations
- Allow deep sleep states for some Qualcomm SoCs with shared clocks
- Various smaller optimizations, cleanups, and fixes
* tag 'iommu-updates-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (85 commits)
iommu/io-pgtable: Abstract iommu_iotlb_gather access
iommu/arm-smmu: Fix missing unlock on error in arm_smmu_device_group()
iommu/vt-d: Add present bit check in pasid entry setup helpers
iommu/vt-d: Use pasid_pte_is_present() helper function
iommu/vt-d: Drop the kernel doc annotation
iommu/vt-d: Allow devices to have more than 32 outstanding PRs
iommu/vt-d: Preset A/D bits for user space DMA usage
iommu/vt-d: Enable Intel IOMMU scalable mode by default
iommu/vt-d: Refactor Kconfig a bit
iommu/vt-d: Remove unnecessary oom message
iommu/vt-d: Update the virtual command related registers
iommu: Allow enabling non-strict mode dynamically
iommu: Merge strictness and domain type configs
iommu: Only log strictness for DMA domains
iommu: Expose DMA domain strictness via sysfs
iommu: Express DMA strictness via the domain type
iommu/vt-d: Prepare for multiple DMA domain types
iommu/arm-smmu: Prepare for multiple DMA domain types
iommu/amd: Prepare for multiple DMA domain types
iommu: Introduce explicit type for non-strict DMA domains
...
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Linus Torvalds
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3de18c865f |
Merge branch 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
Pull swiotlb updates from Konrad Rzeszutek Wilk: "A new feature called restricted DMA pools. It allows SWIOTLB to utilize per-device (or per-platform) allocated memory pools instead of using the global one. The first big user of this is ARM Confidential Computing where the memory for DMA operations can be set per platform" * 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb: (23 commits) swiotlb: use depends on for DMA_RESTRICTED_POOL of: restricted dma: Don't fail device probe on rmem init failure of: Move of_dma_set_restricted_buffer() into device.c powerpc/svm: Don't issue ultracalls if !mem_encrypt_active() s390/pv: fix the forcing of the swiotlb swiotlb: Free tbl memory in swiotlb_exit() swiotlb: Emit diagnostic in swiotlb_exit() swiotlb: Convert io_default_tlb_mem to static allocation of: Return success from of_dma_set_restricted_buffer() when !OF_ADDRESS swiotlb: add overflow checks to swiotlb_bounce swiotlb: fix implicit debugfs declarations of: Add plumbing for restricted DMA pool dt-bindings: of: Add restricted DMA pool swiotlb: Add restricted DMA pool initialization swiotlb: Add restricted DMA alloc/free support swiotlb: Refactor swiotlb_tbl_unmap_single swiotlb: Move alloc_size to swiotlb_find_slots swiotlb: Use is_swiotlb_force_bounce for swiotlb data bouncing swiotlb: Update is_swiotlb_active to add a struct device argument swiotlb: Update is_swiotlb_buffer to add a struct device argument ... |
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Linus Torvalds
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14726903c8 |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton: "173 patches. Subsystems affected by this series: ia64, ocfs2, block, and mm (debug, pagecache, gup, swap, shmem, memcg, selftests, pagemap, mremap, bootmem, sparsemem, vmalloc, kasan, pagealloc, memory-failure, hugetlb, userfaultfd, vmscan, compaction, mempolicy, memblock, oom-kill, migration, ksm, percpu, vmstat, and madvise)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (173 commits) mm/madvise: add MADV_WILLNEED to process_madvise() mm/vmstat: remove unneeded return value mm/vmstat: simplify the array size calculation mm/vmstat: correct some wrong comments mm/percpu,c: remove obsolete comments of pcpu_chunk_populated() selftests: vm: add COW time test for KSM pages selftests: vm: add KSM merging time test mm: KSM: fix data type selftests: vm: add KSM merging across nodes test selftests: vm: add KSM zero page merging test selftests: vm: add KSM unmerge test selftests: vm: add KSM merge test mm/migrate: correct kernel-doc notation mm: wire up syscall process_mrelease mm: introduce process_mrelease system call memblock: make memblock_find_in_range method private mm/mempolicy.c: use in_task() in mempolicy_slab_node() mm/mempolicy: unify the create() func for bind/interleave/prefer-many policies mm/mempolicy: advertise new MPOL_PREFERRED_MANY mm/hugetlb: add support for mempolicy MPOL_PREFERRED_MANY ... |
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zhangkui
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d5fffc5aff |
mm/madvise: add MADV_WILLNEED to process_madvise()
There is a usecase in Android that an app process's memory is swapped out by process_madvise() with MADV_PAGEOUT, such as the memory is swapped to zram or a backing device. When the process is scheduled to running, like switch to foreground, multiple page faults may cause the app dropped frames. To reduce the problem, System Management Software can read-ahead memory of the process immediately when the app switches to forground. Calling process_madvise() with MADV_WILLNEED can meet this need. Link: https://lkml.kernel.org/r/20210804082010.12482-1-zhangkui@oppo.com Signed-off-by: zhangkui <zhangkui@oppo.com> Cc: David Hildenbrand <david@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |