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The memory hot(un)plug documentation is outdated and incomplete. Most of
the content dates back to 2007, so it's time for a major overhaul.
Let's rewrite, reorganize and update most parts of the documentation. In
addition to memory hot(un)plug, also add some details regarding
ZONE_MOVABLE, with memory hotunplug being one of its main consumers.
Drop the file history, that information can more reliably be had from the
git log.
The style of the document is also properly fixed that e.g., "restview"
renders it cleanly now.
In the future, we might add some more details about virt users like
virtio-mem, the XEN balloon, the Hyper-V balloon and ppc64 dlpar.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: David Hildenbrand <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Reviewed-by: Mike Rapoport <[email protected]>
Reviewed-by: Oscar Salvador <[email protected]>
Cc: Mike Kravetz <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Anshuman Khandual <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: Pavel Tatashin <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Patch series "memory-hotplug.rst: complete admin-guide overhaul", v3.
This patch (of 2):
We have the same content at Documentation/core-api/memory-hotplug.rst and
it doesn't fit into the admin-guide. The documentation was accidentially
duplicated when merging.
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: David Hildenbrand <[email protected]>
Acked-by: Mike Rapoport <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Reviewed-by: Oscar Salvador <[email protected]>
Cc: Mike Kravetz <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Anshuman Khandual <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: Pavel Tatashin <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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No need to check for 64BIT. While at it, let's just select
ARCH_SUPPORTS_HUGETLBFS from arch/s390/Kconfig.
Signed-off-by: David Hildenbrand <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Heiko Carstens <[email protected]>
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syzbot is reporting page fault at vga16fb_fillrect() [1], for
vga16fb_check_var() is failing to detect multiplication overflow.
if (vxres * vyres > maxmem) {
vyres = maxmem / vxres;
if (vyres < yres)
return -ENOMEM;
}
Since no module would accept too huge resolutions where multiplication
overflow happens, let's reject in the common path.
Link: https://syzkaller.appspot.com/bug?extid=04168c8063cfdde1db5e [1]
Reported-by: syzbot <[email protected]>
Debugged-by: Randy Dunlap <[email protected]>
Signed-off-by: Tetsuo Handa <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Cc: [email protected]
Signed-off-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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When using gcc (SUSE Linux) 7.5.0 (on openSUSE 15.3), I see a build
warning:
kernel/trace/trace_osnoise.c: In function 'start_kthread':
kernel/trace/trace_osnoise.c:1461:8: warning: 'main' is usually a function [-Wmain]
void *main = osnoise_main;
^~~~
Quieten that warning by using "-Wno-main". It's OK to use "main" as a
declaration name in the kernel.
Build-tested on most ARCHes.
[ v2: only do it for gcc, since clang doesn't have that particular warning ]
Signed-off-by: Randy Dunlap <[email protected]>
Link: https://lore.kernel.org/lkml/[email protected]/
Suggested-by: Steven Rostedt <[email protected]>
Suggested-by: Linus Torvalds <[email protected]>
Cc: Daniel Bristot de Oliveira <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: Michal Marek <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v5.15
A collection of fixes that came in during the merge window, nothing too
remarkable but a reasonably large number of fixes.
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timespec64_ns() prevents multiplication overflows by comparing the seconds
value of the timespec to KTIME_SEC_MAX. If the value is greater or equal it
returns KTIME_MAX.
But that check casts the signed seconds value to unsigned which makes the
comparision true for all negative values and therefore return wrongly
KTIME_MAX.
Negative second values are perfectly valid and required in some places,
e.g. ptp_clock_adjtime().
Remove the cast and add a check for the negative boundary which is required
to prevent undefined behaviour due to multiplication underflow.
Fixes: cb47755725da ("time: Prevent undefined behaviour in timespec64_to_ns()")'
Signed-off-by: Lukas Hannen <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/AM6PR01MB541637BD6F336B8FFB72AF80EEC69@AM6PR01MB5416.eurprd01.prod.exchangelabs.com
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* acpi-pm:
ACPI: PM: s2idle: Run both AMD and Microsoft methods if both are supported
* acpi-docs:
Documentation: ACPI: Align the SSDT overlays file with the code
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* pm-opp:
dt-bindings: opp: Convert to DT schema
dt-bindings: Clean-up OPP binding node names in examples
ARM: dts: omap: Drop references to opp.txt
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* pm-cpufreq:
Revert "cpufreq: intel_pstate: Process HWP Guaranteed change notification"
cpufreq: mediatek-hw: Add support for CPUFREQ HW
cpufreq: Add of_perf_domain_get_sharing_cpumask
dt-bindings: cpufreq: add bindings for MediaTek cpufreq HW
cpufreq: Remove ready() callback
cpufreq: sh: Remove sh_cpufreq_cpu_ready()
cpufreq: acpi: Remove acpi_cpufreq_cpu_ready()
cpufreq: qcom-hw: Set dvfs_possible_from_any_cpu cpufreq driver flag
cpufreq: blocklist more Qualcomm platforms in cpufreq-dt-platdev
cpufreq: qcom-cpufreq-hw: Add dcvs interrupt support
cpufreq: scmi: Use .register_em() to register with energy model
cpufreq: vexpress: Use .register_em() to register with energy model
cpufreq: scpi: Use .register_em() to register with energy model
cpufreq: qcom-cpufreq-hw: Use .register_em() to register with energy model
cpufreq: omap: Use .register_em() to register with energy model
cpufreq: mediatek: Use .register_em() to register with energy model
cpufreq: imx6q: Use .register_em() to register with energy model
cpufreq: dt: Use .register_em() to register with energy model
cpufreq: Add callback to register with energy model
cpufreq: vexpress: Set CPUFREQ_IS_COOLING_DEV flag
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WARNING: CPU: 0 PID: 10392 at fs/io_uring.c:1151 req_ref_put_and_test
fs/io_uring.c:1151 [inline]
WARNING: CPU: 0 PID: 10392 at fs/io_uring.c:1151 req_ref_put_and_test
fs/io_uring.c:1146 [inline]
WARNING: CPU: 0 PID: 10392 at fs/io_uring.c:1151
io_req_complete_post+0xf5b/0x1190 fs/io_uring.c:1794
Modules linked in:
Call Trace:
tctx_task_work+0x1e5/0x570 fs/io_uring.c:2158
task_work_run+0xe0/0x1a0 kernel/task_work.c:164
tracehook_notify_signal include/linux/tracehook.h:212 [inline]
handle_signal_work kernel/entry/common.c:146 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x232/0x2a0 kernel/entry/common.c:209
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
When io_wqe_enqueue() -> io_wqe_create_worker() fails, we can't just
call io_run_cancel() to clean up the request, it's already enqueued via
io_wqe_insert_work() and will be executed either by some other worker
during cancellation (e.g. in io_wq_put_and_exit()).
Reported-by: Hao Sun <[email protected]>
Fixes: 3146cba99aa28 ("io-wq: make worker creation resilient against signals")
Signed-off-by: Pavel Begunkov <[email protected]>
Link: https://lore.kernel.org/r/93b9de0fcf657affab0acfd675d4abcd273ee863.1631092071.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <[email protected]>
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The address of ftrace_graph_caller is already virtual.
Using __va() to translate the address is wrong.
Reviewed-by: Alexander Gordeev <[email protected]>
Signed-off-by: Heiko Carstens <[email protected]>
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Many comments above functions start with a kernel doc indicator, but
the comments are not using kernel doc style. Get rid of the warnings
by simply removing the indicator.
E.g.:
drivers/s390/crypto/zcrypt_msgtype6.c:111: warning:
This comment starts with '/**', but isn't a kernel-doc comment.
Reviewed-by: Harald Freudenberger <[email protected]>
Signed-off-by: Heiko Carstens <[email protected]>
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A couple of function names don't match what the kernel doc comments
indicate.
Acked-by: Benjamin Block <[email protected]>
Signed-off-by: Heiko Carstens <[email protected]>
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Add __nonstring annotation, since the missing string termination for
id member of sclp_trace_entry is intended. This way we get rid of this
warning:
drivers/s390/char/sclp.c:84:9: warning: ‘strncpy’ output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation]
84 | strncpy(e.id, id, sizeof(e.id));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Reported-by: kernel test robot <[email protected]>
Reviewed-by: Peter Oberparleiter <[email protected]>
Signed-off-by: Heiko Carstens <[email protected]>
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This symbol is not used outside of trace.c, so marks it static.
Fix the following sparse warning:
drivers/infiniband/hw/hfi1/trace.c:491:23: warning: symbol 'hist' was not declared. Should it be static?
Link: https://lore.kernel.org/r/1630921723-21545-1-git-send-email-jiapeng.chong@linux.alibaba.com
Reported-by: Abaci Robot <[email protected]>
Signed-off-by: chongjiapeng <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
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As noted in the "Deprecated Interfaces, Language Features, Attributes, and
Conventions" documentation [1], size calculations (especially
multiplication) should not be performed in memory allocator (or similar)
function arguments due to the risk of them overflowing. This could lead to
values wrapping around and a smaller allocation being made than the caller
was expecting. Using those allocations could lead to linear overflows of
heap memory and other misbehaviors.
In this case this is not actually dynamic sizes: both sides of the
multiplication are constant values. However it is best to refactor this
anyway, just to keep the open-coded math idiom out of code.
So, use the purpose specific kcalloc() function instead of the argument
size * count in the kzalloc() function.
Also, remove the unnecessary initialization of the sqp_tbl variable since
it is set a few lines later.
[1] https://www.kernel.org/doc/html/v5.14/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Len Baker <[email protected]>
Reviewed-by: Leon Romanovsky <[email protected]>
Acked-by: Selvin Xavier <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
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>> drivers/infiniband/hw/qib/qib_sysfs.c:411:1: warning: performing pointer subtraction with a null pointer has undefined behavior
+[-Wnull-pointer-subtraction]
QIB_DIAGC_ATTR(rc_resends);
^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/infiniband/hw/qib/qib_sysfs.c:408:51: note: expanded from macro 'QIB_DIAGC_ATTR'
.counter = &((struct qib_ibport *)0)->rvp.n_##N - (u64 *)0, \
Use offsetof and accomplish the type check using static_assert.
Fixes: 4a7aaf88c89f ("RDMA/qib: Use attributes for the port sysfs")
Link: https://lore.kernel.org/r/[email protected]
Reported-by: kernel test robot <[email protected]>
Acked-by: Dennis Dalessandro <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
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The XLT chunk alignment depends on ent_size not sizeof(ent_size) aka
sizeof(size_t). The incoming ent_size is either 8 or 16, so the
miscalculation when 16 is required is only an over-alignment and
functional harmless.
Fixes: 8010d74b9965 ("RDMA/mlx5: Split the WR setup out of mlx5_ib_update_xlt()")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Niklas Schnelle <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
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In commit 8010d74b9965b ("RDMA/mlx5: Split the WR setup out of
mlx5_ib_update_xlt()") the allocation logic was split out of
mlx5_ib_update_xlt() and the logic was changed to enable better OOM
handling. Sadly this change introduced a miscalculation of the number of
entries that were actually allocated when under memory pressure where it
can actually become 0 which on s390 lets dma_map_single() fail.
It can also lead to corruption of the free pages list when the wrong
number of entries is used in the calculation of sg->length which is used
as argument for free_pages().
Fix this by using the allocation size instead of misusing get_order(size).
Cc: [email protected]
Fixes: 8010d74b9965 ("RDMA/mlx5: Split the WR setup out of mlx5_ib_update_xlt()")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Niklas Schnelle <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Convert controller drivers to generic_handle_domain_irq() (Marc
Zyngier)
- Simplify VPD (Vital Product Data) access and search (Heiner
Kallweit)
- Update bnx2, bnx2x, bnxt, cxgb4, cxlflash, sfc, tg3 drivers to use
simplified VPD interfaces (Heiner Kallweit)
- Run Max Payload Size quirks before configuring MPS; work around
ASMedia ASM1062 SATA MPS issue (Marek Behún)
Resource management:
- Refactor pci_ioremap_bar() and pci_ioremap_wc_bar() (Krzysztof
Wilczyński)
- Optimize pci_resource_len() to reduce kernel size (Zhen Lei)
PCI device hotplug:
- Fix a double unmap in ibmphp (Vishal Aslot)
PCIe port driver:
- Enable Bandwidth Notification only if port supports it (Stuart
Hayes)
Sysfs/proc/syscalls:
- Add schedule point in proc_bus_pci_read() (Krzysztof Wilczyński)
- Return ~0 data on pciconfig_read() CAP_SYS_ADMIN failure (Krzysztof
Wilczyński)
- Return "int" from pciconfig_read() syscall (Krzysztof Wilczyński)
Virtualization:
- Extend "pci=noats" to also turn on Translation Blocking to protect
against some DMA attacks (Alex Williamson)
- Add sysfs mechanism to control the type of reset used between
device assignments to VMs (Amey Narkhede)
- Add support for ACPI _RST reset method (Shanker Donthineni)
- Add ACS quirks for Cavium multi-function devices (George Cherian)
- Add ACS quirks for NXP LX2xx0 and LX2xx2 platforms (Wasim Khan)
- Allow HiSilicon AMBA devices that appear as fake PCI devices to use
PASID and SVA (Zhangfei Gao)
Endpoint framework:
- Add support for SR-IOV Endpoint devices (Kishon Vijay Abraham I)
- Zero-initialize endpoint test tool parameters so we don't use
random parameters (Shunyong Yang)
APM X-Gene PCIe controller driver:
- Remove redundant dev_err() call in xgene_msi_probe() (ErKun Yang)
Broadcom iProc PCIe controller driver:
- Don't fail devm_pci_alloc_host_bridge() on missing 'ranges' because
it's optional on BCMA devices (Rob Herring)
- Fix BCMA probe resource handling (Rob Herring)
Cadence PCIe driver:
- Work around J7200 Link training electrical issue by increasing
delays in LTSSM (Nadeem Athani)
Intel IXP4xx PCI controller driver:
- Depend on ARCH_IXP4XX to avoid useless config questions (Geert
Uytterhoeven)
Intel Keembay PCIe controller driver:
- Add Intel Keem Bay PCIe controller (Srikanth Thokala)
Marvell Aardvark PCIe controller driver:
- Work around config space completion handling issues (Evan Wang)
- Increase timeout for config access completions (Pali Rohár)
- Emulate CRS Software Visibility bit (Pali Rohár)
- Configure resources from DT 'ranges' property to fix I/O space
access (Pali Rohár)
- Serialize INTx mask/unmask (Pali Rohár)
MediaTek PCIe controller driver:
- Add MT7629 support in DT (Chuanjia Liu)
- Fix an MSI issue (Chuanjia Liu)
- Get syscon regmap ("mediatek,generic-pciecfg"), IRQ number
("pci_irq"), PCI domain ("linux,pci-domain") from DT properties if
present (Chuanjia Liu)
Microsoft Hyper-V host bridge driver:
- Add ARM64 support (Boqun Feng)
- Support "Create Interrupt v3" message (Sunil Muthuswamy)
NVIDIA Tegra PCIe controller driver:
- Use seq_puts(), move err_msg from stack to static, fix OF node leak
(Christophe JAILLET)
NVIDIA Tegra194 PCIe driver:
- Disable suspend when in Endpoint mode (Om Prakash Singh)
- Fix MSI-X address programming error (Om Prakash Singh)
- Disable interrupts during suspend to avoid spurious AER link down
(Om Prakash Singh)
Renesas R-Car PCIe controller driver:
- Work around hardware issue that prevents Link L1->L0 transition
(Marek Vasut)
- Fix runtime PM refcount leak (Dinghao Liu)
Rockchip DesignWare PCIe controller driver:
- Add Rockchip RK356X host controller driver (Simon Xue)
TI J721E PCIe driver:
- Add support for J7200 and AM64 (Kishon Vijay Abraham I)
Toshiba Visconti PCIe controller driver:
- Add Toshiba Visconti PCIe host controller driver (Nobuhiro
Iwamatsu)
Xilinx NWL PCIe controller driver:
- Enable PCIe reference clock via CCF (Hyun Kwon)
Miscellaneous:
- Convert sta2x11 from 'pci_' to 'dma_' API (Christophe JAILLET)
- Fix pci_dev_str_match_path() alloc while atomic bug (used for
kernel parameters that specify devices) (Dan Carpenter)
- Remove pointless Precision Time Management warning when PTM is
present but not enabled (Jakub Kicinski)
- Remove surplus "break" statements (Krzysztof Wilczyński)"
* tag 'pci-v5.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (132 commits)
PCI: ibmphp: Fix double unmap of io_mem
x86/PCI: sta2x11: switch from 'pci_' to 'dma_' API
PCI/VPD: Use unaligned access helpers
PCI/VPD: Clean up public VPD defines and inline functions
cxgb4: Use pci_vpd_find_id_string() to find VPD ID string
PCI/VPD: Add pci_vpd_find_id_string()
PCI/VPD: Include post-processing in pci_vpd_find_tag()
PCI/VPD: Stop exporting pci_vpd_find_info_keyword()
PCI/VPD: Stop exporting pci_vpd_find_tag()
PCI: Set dma-can-stall for HiSilicon chips
PCI: rockchip-dwc: Add Rockchip RK356X host controller driver
PCI: dwc: Remove surplus break statement after return
PCI: artpec6: Remove local code block from switch statement
PCI: artpec6: Remove surplus break statement after return
MAINTAINERS: Add entries for Toshiba Visconti PCIe controller
PCI: visconti: Add Toshiba Visconti PCIe host controller driver
PCI/portdrv: Enable Bandwidth Notification only if port supports it
PCI: Allow PASID on fake PCIe devices without TLP prefixes
PCI: mediatek: Use PCI domain to handle ports detection
PCI: mediatek: Add new method to get irq number
...
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The cross-product of the kernel's supported toolchains, architectures,
and configuration options is large. So large, that it's generally
accepted to be infeasible to enumerate and build+test them all
(many compile-testers rely on randomly generated configs).
Without the possibility to enumerate all possible combinations of
toolchains, architectures, and configuration options, it is inevitable
that compiler warnings in this space exist.
With -Werror, this means that an innumerable set of kernels are now
broken, yet had been perfectly usable before (confused compilers, code
with warnings unused, or luck).
Distributors will necessarily pick a point in the toolchain X arch X
config space, and if unlucky, will have a broken build. Granted, those
will likely disable CONFIG_WERROR and move on.
The kernel's default configuration is unlikely to be suitable for all
users, but it's inappropriate to force many users to set CONFIG_WERROR=n.
This also holds for CI systems which are focused on runtime testing,
where the odd warning in some subsystem will disrupt testing of the rest
of the kernel. Many of those runtime-focused CI systems run tests or
fuzz the kernel using runtime debugging tools. Runtime testing of
different subsystems can proceed in parallel, and potentially uncover
serious bugs; halting runtime testing of the entire kernel because of
the odd warning (now error) in a subsystem or driver is simply
inappropriate.
Therefore, runtime-focused CI systems will likely choose CONFIG_WERROR=n
as well.
The appropriate usecase for -Werror is therefore compile-test focused
builds (often done by developers or CI systems).
Reflect this in the Kconfig option by making the default value of WERROR
match COMPILE_TEST.
Signed-off-by: Marco Elver <[email protected]>
Acked-by: Guenter Roeck <[email protected]>
Acked-by: Randy Dunlap <[email protected]>
Reviwed-by: Mark Brown <[email protected]>
Reviewed-by: Nathan Chancellor <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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There are two bugs in this code. First, if the kzalloc() fails it leads
to a NULL dereference of "ep" on the next line. Second, if the
alloc_event_probe() function returns an error then it leads to an
error pointer dereference in the caller.
Link: https://lkml.kernel.org/r/20210824115150.GI31143@kili
Fixes: 7491e2c44278 ("tracing: Add a probe that attaches to trace events")
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Steven Rostedt (VMware) <[email protected]>
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Limiting number of request to BLK_MAX_REQUEST_COUNT at blk_plug hurts
performance for large md arrays. [1] shows resync speed of md array drops
for md array with more than 16 HDDs.
Fix this by allowing more request at plug queue. The multiple_queue flag
is used to only apply higher limit to multiple queue cases.
[1] https://lore.kernel.org/linux-raid/CAFDAVznS71BXW8Jxv6k9dXc2iR3ysX3iZRBww_rzA8WifBFxGg@mail.gmail.com/
Tested-by: Marcin Wanat <[email protected]>
Signed-off-by: Song Liu <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes and stragglers from Jakub Kicinski:
"Networking stragglers and fixes, including changes from netfilter,
wireless and can.
Current release - regressions:
- qrtr: revert check in qrtr_endpoint_post(), fixes audio and wifi
- ip_gre: validate csum_start only on pull
- bnxt_en: fix 64-bit doorbell operation on 32-bit kernels
- ionic: fix double use of queue-lock, fix a sleeping in atomic
- can: c_can: fix null-ptr-deref on ioctl()
- cs89x0: disable compile testing on powerpc
Current release - new code bugs:
- bridge: mcast: fix vlan port router deadlock, consistently disable
BH
Previous releases - regressions:
- dsa: tag_rtl4_a: fix egress tags, only port 0 was working
- mptcp: fix possible divide by zero
- netfilter: nft_ct: protect nft_ct_pcpu_template_refcnt with mutex
- netfilter: socket: icmp6: fix use-after-scope
- stmmac: fix MAC not working when system resume back with WoL active
Previous releases - always broken:
- ip/ip6_gre: use the same logic as SIT interfaces when computing
v6LL address
- seg6: set fc_nlinfo in nh_create_ipv4, nh_create_ipv6
- mptcp: only send extra TCP acks in eligible socket states
- dsa: lantiq_gswip: fix maximum frame length
- stmmac: fix overall budget calculation for rxtx_napi
- bnxt_en: fix firmware version reporting via devlink
- renesas: sh_eth: add missing barrier to fix freeing wrong tx
descriptor
Stragglers:
- netfilter: conntrack: switch to siphash
- netfilter: refuse insertion if chain has grown too large
- ncsi: add get MAC address command to get Intel i210 MAC address"
* tag 'net-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (76 commits)
ieee802154: Remove redundant initialization of variable ret
net: stmmac: fix MAC not working when system resume back with WoL active
net: phylink: add suspend/resume support
net: renesas: sh_eth: Fix freeing wrong tx descriptor
bonding: 3ad: pass parameter bond_params by reference
cxgb3: fix oops on module removal
can: c_can: fix null-ptr-deref on ioctl()
can: rcar_canfd: add __maybe_unused annotation to silence warning
net: wwan: iosm: Unify IO accessors used in the driver
net: wwan: iosm: Replace io.*64_lo_hi() with regular accessors
net: qcom/emac: Replace strlcpy with strscpy
ip6_gre: Revert "ip6_gre: add validation for csum_start"
net: hns3: make hclgevf_cmd_caps_bit_map0 and hclge_cmd_caps_bit_map0 static
selftests/bpf: Test XDP bonding nest and unwind
bonding: Fix negative jump label count on nested bonding
MAINTAINERS: add VM SOCKETS (AF_VSOCK) entry
stmmac: dwmac-loongson:Fix missing return value
iwlwifi: fix printk format warnings in uefi.c
net: create netdev->dev_addr assignment helpers
bnxt_en: Fix possible unintended driver initiated error recovery
...
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git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- add Mediatek MT7986 & MT8195 wdt support
- add Maxim MAX63xx
- drop bd70528 support
- rewrite ixp4xx to watchdog framework
- constify static struct watchdog_ops for sl28cpld_wdt, mpc8xxx_wdt and
tqmx86
- introduce watchdog_dev_suspend/resume
- several fixes and improvements
* tag 'linux-watchdog-5.15-rc1' of git://www.linux-watchdog.org/linux-watchdog:
dt-bindings: watchdog: Add compatible for Mediatek MT7986
watchdog: ixp4xx: Rewrite driver to use core
watchdog: Start watchdog in watchdog_set_last_hw_keepalive only if appropriate
watchdog: max63xx_wdt: Add device tree probing
dt-bindings: watchdog: Add Maxim MAX63xx bindings
watchdog: mediatek: mt8195: add wdt support
dt-bindings: reset: mt8195: add toprgu reset-controller header file
watchdog: tqmx86: Constify static struct watchdog_ops
watchdog: mpc8xxx_wdt: Constify static struct watchdog_ops
watchdog: sl28cpld_wdt: Constify static struct watchdog_ops
watchdog: iTCO_wdt: Fix detection of SMI-off case
watchdog: bcm2835_wdt: consider system-power-controller property
watchdog: imx2_wdg: notify wdog core to stop ping worker on suspend
watchdog: introduce watchdog_dev_suspend/resume
watchdog: Fix NULL pointer dereference when releasing cdev
watchdog: only run driver set_pretimeout op if device supports it
watchdog: bd70528 drop bd70528 support
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Pull KVM updates from Paolo Bonzini:
"ARM:
- Page ownership tracking between host EL1 and EL2
- Rely on userspace page tables to create large stage-2 mappings
- Fix incompatibility between pKVM and kmemleak
- Fix the PMU reset state, and improve the performance of the virtual
PMU
- Move over to the generic KVM entry code
- Address PSCI reset issues w.r.t. save/restore
- Preliminary rework for the upcoming pKVM fixed feature
- A bunch of MM cleanups
- a vGIC fix for timer spurious interrupts
- Various cleanups
s390:
- enable interpretation of specification exceptions
- fix a vcpu_idx vs vcpu_id mixup
x86:
- fast (lockless) page fault support for the new MMU
- new MMU now the default
- increased maximum allowed VCPU count
- allow inhibit IRQs on KVM_RUN while debugging guests
- let Hyper-V-enabled guests run with virtualized LAPIC as long as
they do not enable the Hyper-V "AutoEOI" feature
- fixes and optimizations for the toggling of AMD AVIC (virtualized
LAPIC)
- tuning for the case when two-dimensional paging (EPT/NPT) is
disabled
- bugfixes and cleanups, especially with respect to vCPU reset and
choosing a paging mode based on CR0/CR4/EFER
- support for 5-level page table on AMD processors
Generic:
- MMU notifier invalidation callbacks do not take mmu_lock unless
necessary
- improved caching of LRU kvm_memory_slot
- support for histogram statistics
- add statistics for halt polling and remote TLB flush requests"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (210 commits)
KVM: Drop unused kvm_dirty_gfn_invalid()
KVM: x86: Update vCPU's hv_clock before back to guest when tsc_offset is adjusted
KVM: MMU: mark role_regs and role accessors as maybe unused
KVM: MIPS: Remove a "set but not used" variable
x86/kvm: Don't enable IRQ when IRQ enabled in kvm_wait
KVM: stats: Add VM stat for remote tlb flush requests
KVM: Remove unnecessary export of kvm_{inc,dec}_notifier_count()
KVM: x86/mmu: Move lpage_disallowed_link further "down" in kvm_mmu_page
KVM: x86/mmu: Relocate kvm_mmu_page.tdp_mmu_page for better cache locality
Revert "KVM: x86: mmu: Add guest physical address check in translate_gpa()"
KVM: x86/mmu: Remove unused field mmio_cached in struct kvm_mmu_page
kvm: x86: Increase KVM_SOFT_MAX_VCPUS to 710
kvm: x86: Increase MAX_VCPUS to 1024
kvm: x86: Set KVM_MAX_VCPU_ID to 4*KVM_MAX_VCPUS
KVM: VMX: avoid running vmx_handle_exit_irqoff in case of emulation
KVM: x86/mmu: Don't freak out if pml5_root is NULL on 4-level host
KVM: s390: index kvm->arch.idle_mask by vcpu_idx
KVM: s390: Enable specification exception interpretation
KVM: arm64: Trim guest debug exception handling
KVM: SVM: Add 5-level page table support for SVM
...
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Mixing NULL and ERR_PTR() just in case is a Bad Idea(tm). For
struct filename the former is wrong - failures are reported
as ERR_PTR(...), not as NULL.
Signed-off-by: Al Viro <[email protected]>
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filename_create() has two variants, one which drops the caller's
reference to filename (filename_create) and one which does
not (__filename_create). This can be confusing as it's unusual to drop a
caller's reference. Remove filename_create, rename __filename_create
to filename_create, and convert all callers.
Link: https://lore.kernel.org/linux-fsdevel/[email protected]/
Cc: Christoph Hellwig <[email protected]>
Cc: Al Viro <[email protected]>
Signed-off-by: Stephen Brennan <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull dmi fix from Jean Delvare.
Unbreak some existing udev/hwdb modalias matches due to misplaced
product_sku field.
* 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
firmware: dmi: Move product_sku info to the end of the modalias
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filename_lookup() has two variants, one which drops the caller's
reference to filename (filename_lookup), and one which does
not (__filename_lookup). This can be confusing as it's unusual to drop a
caller's reference. Remove filename_lookup, rename __filename_lookup
to filename_lookup, and convert all callers. The cost is a few slightly
longer functions, but the clarity is greater.
[AV: consuming a reference is not at all unusual, actually; look at
e.g. do_mkdirat(), for example. It's more that we want non-consuming
variant for close relative of that function...]
Link: https://lore.kernel.org/linux-fsdevel/[email protected]/
Cc: Christoph Hellwig <[email protected]>
Cc: Al Viro <[email protected]>
Signed-off-by: Stephen Brennan <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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Pull NTB updates from Jon Mason:
"Bug fixes and clean-ups for Linux v5.15"
* tag 'ntb-5.15' of git://github.com/jonmason/ntb:
NTB: switch from 'pci_' to 'dma_' API
ntb: ntb_pingpong: remove redundant initialization of variables msg_data and spad_data
NTB: perf: Fix an error code in perf_setup_inbuf()
NTB: Fix an error code in ntb_msit_probe()
ntb: intel: remove invalid email address in header comment
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... in separate commit, to avoid noise in previous one
Signed-off-by: Al Viro <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
- move the crash recovery worker to the freezable work queue to avoid
interaction with other drivers during suspend & resume
- fix a couple of typos in comments
- add support for handling the audio DSP on SDM660
- fix a race between the Qualcomm wireless subsystem driver and the
associated driver for the RF chip
* tag 'rproc-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
remoteproc: q6v5_pas: Add sdm660 ADSP PIL compatible
dt-bindings: remoteproc: qcom: adsp: Add SDM660 ADSP
remoteproc: use freezable workqueue for crash notifications
remoteproc: fix kernel doc for struct rproc_ops
remoteproc: fix an typo in fw_elf_get_class code comments
remoteproc: qcom: wcnss: Fix race with iris probe
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In 0ee50b47532a ("namei: change filename_parentat() calling
conventions"), filename_parentat() was made to always call putname() on
the filename before returning, and kern_path_locked() was migrated to
this calling convention. However, kern_path_locked() uses the "last"
parameter to lookup and potentially create a new dentry. The last
parameter contains the last component of the path and points within the
filename, which was recently freed at the end of filename_parentat().
Thus, when kern_path_locked() calls __lookup_hash(), it is using the
filename after it has already been freed.
In other words, these calling conventions had been wrong for the
only remaining caller of filename_parentat(). Everything else
is using __filename_parentat(), which does not drop the reference;
so should kern_path_locked().
Switch kern_path_locked() to use of __filename_parentat() and move
getting/dropping struct filename into wrapper. Remove filename_parentat(),
now that we have no remaining callers.
Fixes: 0ee50b47532a ("namei: change filename_parentat() calling conventions")
Link: https://lore.kernel.org/linux-fsdevel/[email protected]/
Link: https://lore.kernel.org/linux-fsdevel/[email protected]/
Cc: Christoph Hellwig <[email protected]>
Cc: Al Viro <[email protected]>
Reported-by: [email protected]
Signed-off-by: Stephen Brennan <[email protected]>
Co-authored-by: Dmitry Kadashev <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Fix-ups:
- Improve bootloader/kernel device handover
Bug Fixes:
- Stabilise backlight in ktd253 driver"
* tag 'backlight-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: pwm_bl: Improve bootloader/kernel device handover
backlight: ktd253: Stabilize backlight
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Add support for registering devices via MFD cells to Simple MFD (I2C)
New Drivers:
- Add support for Renesas Synchronization Management Unit (SMU)
New Device Support:
- Add support for N5010 to Intel M10 BMC
- Add support for Cannon Lake to Intel LPSS ACPI
- Add support for Samsung SSG{1,2} to ST-Ericsson's U8500 family
- Add support for TQMx110EB and TQMxE40x to TQ-Systems PLD TQMx86
New Functionality:
- Add support for GPIO to Intel LPC ICH
- Add support for Reset to Texas Instruments TPS65086
Fix-ups:
- Trivial, sorting, whitespace, renaming, etc; mt6360-core, db8500-prcmu-regs, tqmx86
- Device Tree fiddling; syscon, axp20x, qcom,pm8008, ti,tps65086, brcm,cru
- Use proper APIs for IRQ map resolution; ab8500-core, stmpe, tc3589x, wm8994-irq
- Pass 'supplied-from' property through axp288_fuel_gauge via swnode
- Remove unused file entry; MAINTAINERS
- Make interrupt line optional; tps65086
- Rename db8500-cpuidle driver symbol; db8500-prcmu
- Remove support for unused hardware; tqmx86
- Provide a standard LPC clock frequency for unknown boards; tqmx86
- Remove unused code; ti_am335x_tscadc
- Use of_iomap() instead of ioremap(); syscon
Bug Fixes:
- Clear GPIO IRQ resource flags when no IRQ is set; tqmx86
- Fix incorrect/misleading frequencies; db8500-prcmu
- Mitigate namespace clash with other GPIOBASE users"
* tag 'mfd-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (31 commits)
mfd: lpc_sch: Rename GPIOBASE to prevent build error
mfd: syscon: Use of_iomap() instead of ioremap()
dt-bindings: mfd: Add Broadcom CRU
mfd: ti_am335x_tscadc: Delete superfluous error message
mfd: tqmx86: Assume 24MHz LPC clock for unknown boards
mfd: tqmx86: Add support for TQ-Systems DMI IDs
mfd: tqmx86: Add support for TQMx110EB and TQMxE40x
mfd: tqmx86: Fix typo in "platform"
mfd: tqmx86: Remove incorrect TQMx90UC board ID
mfd: tqmx86: Clear GPIO IRQ resource when no IRQ is set
mfd: simple-mfd-i2c: Add support for registering devices via MFD cells
mfd/cpuidle: ux500: Rename driver symbol
mfd: tps65086: Add cell entry for reset driver
mfd: tps65086: Make interrupt line optional
dt-bindings: mfd: Convert tps65086.txt to YAML
MAINTAINERS: Adjust ARM/NOMADIK/Ux500 ARCHITECTURES to file renaming
mfd: db8500-prcmu: Handle missing FW variant
mfd: db8500-prcmu: Rename register header
mfd: axp20x: Add supplied-from property to axp288_fuel_gauge cell
mfd: Don't use irq_create_mapping() to resolve a mapping
...
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"We mostly have various improvements and refactoring all over the place
but also some interesting new features - like the virtio GPIO driver
that allows guest VMs to use host's GPIOs. We also have a new/old GPIO
driver for rockchip - this one has been split out of the pinctrl
driver.
Summary:
- new driver: gpio-virtio allowing a guest VM running linux to access
GPIO lines provided by the host
- split the GPIO driver out of the rockchip pin control driver
- add support for a new model to gpio-aspeed-sgpio, refactor the
driver and use generic device property interfaces, improve property
sanitization
- add ACPI support to gpio-tegra186
- improve the code setting the line names to support multiple GPIO
banks per device
- constify a bunch of OF functions in the core GPIO code and make the
declaration for one of the core OF functions we use consistent
within its header
- use software nodes in intel_quark_i2c_gpio
- add support for the gpio-line-names property in gpio-mt7621
- use the standard GPIO function for setting the GPIO names in
gpio-brcmstb
- fix a bunch of leaks and other bugs in gpio-mpc8xxx
- use generic pm callbacks in gpio-ml-ioh
- improve resource management and PM handling in gpio-mlxbf2
- modernize and improve the gpio-dwapb driver
- coding style improvements in gpio-rcar
- documentation fixes and improvements
- update the MAINTAINERS entry for gpio-zynq
- minor tweaks in several drivers"
* tag 'gpio-updates-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (35 commits)
gpio: mpc8xxx: Use 'devm_gpiochip_add_data()' to simplify the code and avoid a leak
gpio: mpc8xxx: Fix a potential double iounmap call in 'mpc8xxx_probe()'
gpio: mpc8xxx: Fix a resources leak in the error handling path of 'mpc8xxx_probe()'
gpio: viperboard: remove platform_set_drvdata() call in probe
gpio: virtio: Add missing mailings lists in MAINTAINERS entry
gpio: virtio: Fix sparse warnings
gpio: remove the obsolete MX35 3DS BOARD MC9S08DZ60 GPIO functions
gpio: max730x: Use the right include
gpio: Add virtio-gpio driver
gpio: mlxbf2: Use DEFINE_RES_MEM_NAMED() helper macro
gpio: mlxbf2: Use devm_platform_ioremap_resource()
gpio: mlxbf2: Drop wrong use of ACPI_PTR()
gpio: mlxbf2: Convert to device PM ops
gpio: dwapb: Get rid of legacy platform data
mfd: intel_quark_i2c_gpio: Convert GPIO to use software nodes
gpio: dwapb: Read GPIO base from gpio-base property
gpio: dwapb: Unify ACPI enumeration checks in get_irq() and configure_irqs()
gpiolib: Deduplicate forward declaration in the consumer.h header
MAINTAINERS: update gpio-zynq.yaml reference
gpio: tegra186: Add ACPI support
...
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There are variables(power.may_skip_resume and dev->power.must_resume)
and DPM_FLAG_MAY_SKIP_RESUME flags to control the resume of devices after
a system wide suspend transition.
Setting the DPM_FLAG_MAY_SKIP_RESUME flag means that the driver allows
its "noirq" and "early" resume callbacks to be skipped if the device
can be left in suspend after a system-wide transition into the working
state. PM core determines that the driver's "noirq" and "early" resume
callbacks should be skipped or not with dev_pm_skip_resume() function by
checking power.may_skip_resume variable.
power.must_resume variable is getting set to false in __device_suspend()
function without checking device's DPM_FLAG_MAY_SKIP_RESUME settings.
In problematic scenario, where all the devices in the suspend_late
stage are successful and some device can fail to suspend in
suspend_noirq phase. So some devices successfully suspended in suspend_late
stage are not getting chance to execute __device_suspend_noirq()
to set dev->power.must_resume variable to true and not getting
resumed in early_resume phase.
Add a check for device's DPM_FLAG_MAY_SKIP_RESUME flag before
setting power.must_resume variable in __device_suspend function.
Fixes: 6e176bf8d461 ("PM: sleep: core: Do not skip callbacks in the resume phase")
Signed-off-by: Prasad Sodagudi <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
- Allow mounting an active fuse device. Previously the fuse device
would always be mounted during initialization, and sharing a fuse
superblock was only possible through mount or namespace cloning
- Fix data flushing in syncfs (virtiofs only)
- Fix data flushing in copy_file_range()
- Fix a possible deadlock in atomic O_TRUNC
- Misc fixes and cleanups
* tag 'fuse-update-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: remove unused arg in fuse_write_file_get()
fuse: wait for writepages in syncfs
fuse: flush extending writes
fuse: truncate pagecache on atomic_o_trunc
fuse: allow sharing existing sb
fuse: move fget() to fuse_get_tree()
fuse: move option checking into fuse_fill_super()
fuse: name fs_context consistently
fuse: fix use after free in fuse_read_interrupt()
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Improve the existing documentation of the Energy Model and add kernel-doc
comments. This extends an API description and helps better understanding
the usage.
Signed-off-by: Lukasz Luba <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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Fix the kernel-doc comments for the improved Energy Model documentation.
Signed-off-by: Lukasz Luba <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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The current HWP calibration for hybrid processors in intel_pstate is
fragile, because it depends too much on the information provided by
the platform firmware via CPPC which may not be reliable enough. It
also need not be so complicated.
In order to improve that mechanism and make it more resistant to
platform firmware issues, make it only use the CPPC nominal_perf
values to compute the HWP-to-frequency scaling factors for all
CPUs and possibly use the HWP_CAP highest_perf values to recompute
them if the ones derived from the CPPC nominal_perf values alone
appear to be too high.
Namely, fetch CPC.nominal_perf for all CPUs present in the system,
find the minimum one and use it as a reference for computing all of
the CPUs' scaling factors (using the observation that for the CPUs
having the minimum CPC.nominal_perf the HWP range of available
performance levels should be the same as the range of available
"legacy" P-states and so the HWP-to-frequency scaling factor for
them should be the same as the corresponding scaling factor used
for representing the P-state values in kHz).
Signed-off-by: Rafael J. Wysocki <[email protected]>
Tested-by: Zhang Rui <[email protected]>
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On some systems the nominal_perf value retrieved via CPPC is just
a constant and fetching it doesn't require accessing any registers,
so if it is the only CPPC capability that's needed, it is wasteful
to run cppc_get_perf_caps() in order to get just that value alone,
especially when this is done for CPUs other than the one running
the code.
For this reason, introduce cppc_get_nominal_perf() allowing
nominal_perf to be obtained individually, by generalizing the
existing cppc_get_desired_perf() (and renaming it) so it can be
used to retrieve any specific CPPC capability value.
While at it, clean up the cppc_get_desired_perf() kerneldoc comment
a bit.
Signed-off-by: Rafael J. Wysocki <[email protected]>
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Code that use linux/nls.h was moved to device_sysfs.c by commit
c2efefb33abf ("ACPI / scan: Move sysfs-related device code to a separate file")
Remove this include so that complier has easier times and it would be
easier to grep where nls code is used.
Signed-off-by: Kari Argillander <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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This function has the 'irq' parameter which isn't ever used, so drop it.
Signed-off-by: Sergey Shtylyov <[email protected]>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb updates from Daniel Thompson:
"Changes for kgdb/kdb this cycle are dominated by a change from Sumit
that removes as small (256K) private heap from kdb. This is change
I've hoped for ever since I discovered how few users of this heap
remained in the kernel, so many thanks to Sumit for hunting these
down.
The other change is an incremental step towards SPDX headers"
* tag 'kgdb-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kernel: debug: Convert to SPDX identifier
kdb: Rename members of struct kdbtab_t
kdb: Simplify kdb_defcmd macro logic
kdb: Get rid of redundant kdb_register_flags()
kdb: Rename struct defcmd_set to struct kdb_macro
kdb: Get rid of custom debug heap allocator
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Commit 0f06157e0135 ("cxl/core: Move register mapping infrastructure")
neglected to add a DOC header for the new drivers/core/regs.c file.
Reported-by: Ben Widawsky <[email protected]>
Reviewed-by: Jonathan Cameron <[email protected]>
Link: https://lore.kernel.org/r/163072206675.2250120.3527179192933919995.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <[email protected]>
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Commit 06737cd0d216 ("cxl/core: Move pmem functionality") neglected to
add a DOC header for the new drivers/cxl/core/pmem.c file.
Reported-by: Ben Widawsky <[email protected]>
Reviewed-by: Jonathan Cameron <[email protected]>
Link: https://lore.kernel.org/r/163072206163.2250120.11486436976516079516.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <[email protected]>
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Fix unused-const-variable warnings emitted by gcc when cxlmem.h is used
by pretty much all files except pci.c
Signed-off-by: Ben Widawsky <[email protected]>
Reviewed-by: Jonathan Cameron <[email protected]>
Link: https://lore.kernel.org/r/163072205652.2250120.16833548560832424468.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <[email protected]>
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