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Use %ptR instead of open coded variant to print content of
struct rtc_time in human readable format.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Use %ptR instead of open coded variant to print content of
struct rtc_time in human readable format.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Use %ptR instead of open coded variant to print content of
struct rtc_time in human readable format.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Use %ptR instead of open coded variant to print content of
struct rtc_time in human readable format.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Use %ptR instead of open coded variant to print content of
struct rtc_time in human readable format.
Note, we drop the validation option. This is only used in
a deprecated ABI and is mostly wrong as many RTCs will still be valid
after 2100.
Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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There are users which print time and date represented by content of
struct rtc_time in human readable format.
Instead of open coding that each time introduce %ptR[dt][r] specifier.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Petr Mladek <pmladek@suse.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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The register range for the RTC extends beyond 0x54.
Use the size from the user manual's memory map instead.
Fixes: 9765d2d94309 ("rtc: sun6i: Add sun6i RTC driver")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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The bindings have been updated to expose the RTC's internal oscillator,
for some SoCs that have it directly feeding the PRCM block. The changes
include the index 2 for the clock outputs, as well as the clock output
names.
This patch adds the internal oscillator to the list of clocks exposed
through of_clk_add_hw_provider(), and also have the driver optionally
fetch the name of the clock from the device tree if it's available.
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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There are different variants to the RTC hardware first seen on sun6i
(A31). The differences we care about in this driver are the clock rate
for the internal oscillator, prescalers, and the presence of an external
clock output.
This patch adds support for all the known pre-H6 base compatibles using
the variants data structure previously introduced.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Amongst the Allwinner SoCs that have seen some kind of coverage by the
linux-sunxi community, whether it be mainline Linux or U-boot support,
or just available datasheets, most newer chips use the RTC design first
seen in the A31 (sun6i).
Overall there have been some minor differences. This patch covers the
following:
- average clock rate of the internal RC oscillator
+ presence of fixed and adjustable prescaler for this clock
- availability of an external (to the SoC) clock output
One major difference regarding the H6 is the 24 MHz crystal is now
routed through the RTC, as a digitally compensated oscillator (DCXO).
This is not covered in this patch and will be supported later.
Other differences are either unrelated to RTC or clock functionality,
such as boot or crypto related registers, or the driver simply doesn't
use the feature in question. One example of the latter is the
calibration function for the RC oscillator. We consider this clock to
be very bad and avoid using it.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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The RTC's main clock, used internally and exported to the rest of the
SoC, is called "LOSC" (low speed oscillator) through the hardware
documentation.
This patch adds a default name for this clock, in case the device tree
does not provide one. This shouldn't happen, but lets play it safe.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Experiments showed that on at least the H3/H5/A64 the RTC's internal
oscillator also feeds the CPUS mux in the PRCM.
Export this clock through the device tree, instead of having to use
a dummy fixed-clock device node, for the PRCM to consume. This will
properly describe the relationship between the clocks.
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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The A31 does not have an external clock output directly from the RTC.
Instead, it has four muxable clock outputs: three (A, B, C) are
controlled from the CCU, and the last (D) is controlled from the PRCM.
Deprecate the usage of the external clock output for the A31 compatible.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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While doing Bluetooth enablement for various boards based on various
Allwinner SoCs, minor differences in the RTC modules were found. These
include a lack of an external clock output (A31), different internal
oscillator frequencies (H3/H5/A64/V3/V3s), different regulator voltage
settings (H5/H6), and the presence of miscellaneous registers unrelated
to the RTC (A64/R40/H5/H6). The datasheet also describes different number
of registers for non-volatile storage, though based on actual experiments
the actual number is the same across the board.
This patch adds a list of all pre-H6 variants, grouped by the internal
oscillator's clock rate, regulator settings, and the presence of the
external clock output. Combinations are introduced for the variants that
have miscellaneous registers.
The RTC block in the H6 also handles the 24 MHz DCXO. This will require
more device tree binding changes and will be done later.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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The clock output section for this binding describes the two outputs in
the descriptions for both the #clock-cells and clock-output-names
properties.
Instead of overlapping information that is hard to read, rewrite the
clock outputs as a list of indices and descriptions. The properies
can reference this list instead. This will also make it easier to
add notes or conditions to the clocks, and also for adding new outputs.
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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The abracon,tc-resistor property value is in kOhm.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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The Linux i2c layer has functions to execute common SMBUS/I2C
transactions. The register access code here is identical to the I2C
read/write block data routines.
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Trent Piepho <tpiepho@impinj.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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'max8997_rtc_read_alarm()'
In case of error, we return 0.
This is spurious and not consistent with the other functions of the driver.
Propagate the error code instead.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Using devm_nvmem_register allows to avoid tracking the nvmem pointer in the
rtc_device structure.
This ultimately allows to register multiple nvmem devices from an RTC
driver.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Use the resource managed variant of nvmem_register().
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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'max77686_rtc_read_time()'
In case of error, we return 0.
This is spurious and not consistent with the other functions of the driver.
Commit e115a2bf1426 has modified more than what is said in the commit
message. Reverse part of it znd return an error when needed, as it was
previously.
Fixes: e115a2bf1426 ("rtc: max77686: stop validating rtc_time in .read_time")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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(RTC,ALM)YEAR registers of Exynos built-in RTC device contains 3 BCD
characters. s3c-rtc driver uses only 2 lower of them and supports years
from 2000..2099 range. The third BCD value is typically set to 0, but it
looks that handling of it is broken in the hardware. It sometimes
defaults to a random (even non-BCD) value. This is not an issue
for handling RTCYEAR register, because bcd2bin() properly handles only
8bit values (2 BCD characters, the third one is skipped). The problem
is however with ALMYEAR register and proper RTC alarm operation. When
YEAREN bit is set for the configured alarm, RTC hardware triggers alarm
only when ALMYEAR and RTCYEAR matches. This usually doesn't happen
because of the random noise on the third BCD character.
Fix this by simply skipping setting ALMYEAR register in alarm
configuration. This workaround fixes broken alarm operation on Exynos
built-in rtc device. My tests revealed that the issue happens on the
following Exynos series: 3250, 4210, 4412, 5250 and 5410.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Complement commit 85d77047c4ea ("drivers/rtc/rtc-m41t80.c: propagate
error value from smbus functions") and correct the remaining places that
fail to propagate the error code from SMBus calls.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
References: 85d77047c4ea ("drivers/rtc/rtc-m41t80.c: propagate error value from smbus functions")
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Add the missing adjustment of the month range on alarm reads from the
RTC, correcting an issue coming from commit 9c6dfed92c3e ("rtc: m41t80:
add alarm functionality"). The range is 1-12 for hardware and 0-11 for
`struct rtc_time', and is already correctly handled on alarm writes to
the RTC.
It was correct up until commit 48e9766726eb ("drivers/rtc/rtc-m41t80.c:
remove disabled alarm functionality") too, which removed the previous
implementation of alarm support.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Fixes: 9c6dfed92c3e ("rtc: m41t80: add alarm functionality")
References: 48e9766726eb ("drivers/rtc/rtc-m41t80.c: remove disabled alarm functionality")
Cc: stable@vger.kernel.org # 4.7+
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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devm_rtc_device_unregister is not used by any driver and should not be used
by any new driver.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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This patch updates license to use SPDX-License-Identifier
instead of verbose license text.
As original license mentioned, it is GPL-2.0 in SPDX.
Then, MODULE_LICENSE() should be "GPL v2" instead of "GPL".
See ${LINUX}/include/linux/module.h
"GPL" [GNU Public License v2 or later]
"GPL v2" [GNU Public License v2]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Trivial fix to clean up indentation issues, remove spaces, add missing
tabs
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Clang warns when one enumerated type is implicitly converted to another:
drivers/rtc/rtc-omap.c:574:21: warning: implicit conversion from
enumeration type 'enum rtc_pin_config_param' to different enumeration
type 'enum pin_config_param' [-Wenum-conversion]
{"ti,active-high", PIN_CONFIG_ACTIVE_HIGH, 0},
~ ^~~~~~~~~~~~~~~~~~~~~~
drivers/rtc/rtc-omap.c:579:12: warning: implicit conversion from
enumeration type 'enum rtc_pin_config_param' to different enumeration
type 'enum pin_config_param' [-Wenum-conversion]
PCONFDUMP(PIN_CONFIG_ACTIVE_HIGH, "input active high", NULL, false),
~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/pinctrl/pinconf-generic.h:163:11: note: expanded from
macro 'PCONFDUMP'
.param = a, .display = b, .format = c, .has_arg = d \
^
2 warnings generated.
It is expected that pinctrl drivers can extend pin_config_param because
of the gap between PIN_CONFIG_END and PIN_CONFIG_MAX so this conversion
isn't an issue. Most drivers that take advantage of this define the
PIN_CONFIG variables as constants, rather than enumerated values. Do the
same thing here so that Clang no longer warns.
Link: https://github.com/ClangBuiltLinux/linux/issues/144
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Pull UBIFS updates from Richard Weinberger:
- Full filesystem authentication feature, UBIFS is now able to have the
whole filesystem structure authenticated plus user data encrypted and
authenticated.
- Minor cleanups
* tag 'tags/upstream-4.20-rc1' of git://git.infradead.org/linux-ubifs: (26 commits)
ubifs: Remove unneeded semicolon
Documentation: ubifs: Add authentication whitepaper
ubifs: Enable authentication support
ubifs: Do not update inode size in-place in authenticated mode
ubifs: Add hashes and HMACs to default filesystem
ubifs: authentication: Authenticate super block node
ubifs: Create hash for default LPT
ubfis: authentication: Authenticate master node
ubifs: authentication: Authenticate LPT
ubifs: Authenticate replayed journal
ubifs: Add auth nodes to garbage collector journal head
ubifs: Add authentication nodes to journal
ubifs: authentication: Add hashes to index nodes
ubifs: Add hashes to the tree node cache
ubifs: Create functions to embed a HMAC in a node
ubifs: Add helper functions for authentication support
ubifs: Add separate functions to init/crc a node
ubifs: Format changes for authentication support
ubifs: Store read superblock node
ubifs: Drop write_node
...
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Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
Bugfix:
- Fix build issues on architectures that don't provide 64-bit cmpxchg
Cleanups:
- Fix a spelling mistake"
* tag 'nfs-for-4.20-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: fix spelling mistake, EACCESS -> EACCES
SUNRPC: Use atomic(64)_t for seq_send(64)
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull more timer updates from Thomas Gleixner:
"A set of commits for the new C-SKY architecture timers"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
dt-bindings: timer: gx6605s SOC timer
clocksource/drivers/c-sky: Add gx6605s SOC system timer
dt-bindings: timer: C-SKY Multi-processor timer
clocksource/drivers/c-sky: Add C-SKY SMP timer
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Pull NTB updates from Jon Mason:
"Fairly minor changes and bug fixes:
NTB IDT thermal changes and hook into hwmon, ntb_netdev clean-up of
private struct, and a few bug fixes"
* tag 'ntb-4.20' of git://github.com/jonmason/ntb:
ntb: idt: Alter the driver info comments
ntb: idt: Discard temperature sensor IRQ handler
ntb: idt: Add basic hwmon sysfs interface
ntb: idt: Alter temperature read method
ntb_netdev: Simplify remove with client device drvdata
NTB: transport: Try harder to alloc an aligned MW buffer
ntb: ntb_transport: Mark expected switch fall-throughs
ntb: idt: Set PCIe bus address to BARLIMITx
NTB: ntb_hw_idt: replace IS_ERR_OR_NULL with regular NULL checks
ntb: intel: fix return value for ndev_vec_mask()
ntb_netdev: fix sleep time mismatch
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"A memory (under-)allocation fix and a comment fix"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/topology: Fix off by one bug
sched/rt: Update comment in pick_next_task_rt()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"A number of fixes and some late updates:
- make in_compat_syscall() behavior on x86-32 similar to other
platforms, this touches a number of generic files but is not
intended to impact non-x86 platforms.
- objtool fixes
- PAT preemption fix
- paravirt fixes/cleanups
- cpufeatures updates for new instructions
- earlyprintk quirk
- make microcode version in sysfs world-readable (it is already
world-readable in procfs)
- minor cleanups and fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
compat: Cleanup in_compat_syscall() callers
x86/compat: Adjust in_compat_syscall() to generic code under !COMPAT
objtool: Support GCC 9 cold subfunction naming scheme
x86/numa_emulation: Fix uniform-split numa emulation
x86/paravirt: Remove unused _paravirt_ident_32
x86/mm/pat: Disable preemption around __flush_tlb_all()
x86/paravirt: Remove GPL from pv_ops export
x86/traps: Use format string with panic() call
x86: Clean up 'sizeof x' => 'sizeof(x)'
x86/cpufeatures: Enumerate MOVDIR64B instruction
x86/cpufeatures: Enumerate MOVDIRI instruction
x86/earlyprintk: Add a force option for pciserial device
objtool: Support per-function rodata sections
x86/microcode: Make revision and processor flags world-readable
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates and fixes from Ingo Molnar:
"These are almost all tooling updates: 'perf top', 'perf trace' and
'perf script' fixes and updates, an UAPI header sync with the merge
window versions, license marker updates, much improved Sparc support
from David Miller, and a number of fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (66 commits)
perf intel-pt/bts: Calculate cpumode for synthesized samples
perf intel-pt: Insert callchain context into synthesized callchains
perf tools: Don't clone maps from parent when synthesizing forks
perf top: Start display thread earlier
tools headers uapi: Update linux/if_link.h header copy
tools headers uapi: Update linux/netlink.h header copy
tools headers: Sync the various kvm.h header copies
tools include uapi: Update linux/mmap.h copy
perf trace beauty: Use the mmap flags table generated from headers
perf beauty: Wire up the mmap flags table generator to the Makefile
perf beauty: Add a generator for MAP_ mmap's flag constants
tools include uapi: Update asound.h copy
tools arch uapi: Update asm-generic/unistd.h and arm64 unistd.h copies
tools include uapi: Update linux/fs.h copy
perf callchain: Honour the ordering of PERF_CONTEXT_{USER,KERNEL,etc}
perf cs-etm: Correct CPU mode for samples
perf unwind: Take pgoff into account when reporting elf to libdwfl
perf top: Do not use overwrite mode by default
perf top: Allow disabling the overwrite mode
perf trace: Beautify mount's first pathname arg
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
"An irqchip driver fix and a memory (over-)allocation fix"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/irq-mvebu-sei: Fix a NULL vs IS_ERR() bug in probe function
irq/matrix: Fix memory overallocation
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With the addition of the NUMA identity level, we increased @level by
one and will run off the end of the array in the distance sort loop.
Fixed: 051f3ca02e46 ("sched/topology: Introduce NUMA identity node sched domain")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A few fixes who have come in near or during the merge window:
- Removal of a VLA usage in Marvell mpp platform code
- Enable some IPMI options for ARM64 servers by default, helps
testing
- Enable PREEMPT on 32-bit ARMv7 defconfig
- Minor fix for stm32 DT (removal of an unused DMA property)
- Bugfix for TI OMAP1-based ams-delta (-EINVAL -> IRQ_NOTCONNECTED)"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: stm32: update HASH1 dmas property on stm32mp157c
ARM: orion: avoid VLA in orion_mpp_conf
ARM: defconfig: Update multi_v7 to use PREEMPT
arm64: defconfig: Enable some IPMI configs
soc: ti: QMSS: Fix usage of irq_set_affinity_hint
ARM: OMAP1: ams-delta: Fix impossible .irq < 0
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull more arm64 updates from Catalin Marinas:
- fix W+X page (mark RO) allocated by the arm64 kprobes code
- Makefile fix for .i files in out of tree modules
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: kprobe: make page to RO mode when allocate it
arm64: kdump: fix small typo
arm64: makefile fix build of .i file in external module case
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Pull dma-mapping fix from Christoph Hellwig:
"Avoid compile warnings on non-default arm64 configs"
* tag 'dma-mapping-4.20-2' of git://git.infradead.org/users/hch/dma-mapping:
arm64: fix warnings without CONFIG_IOMMU_DMA
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- clean-up leftovers in Kconfig files
- remove stale oldnoconfig and silentoldconfig targets
- remove unneeded cc-fullversion and cc-name variables
- improve merge_config script to allow overriding option prefix
* tag 'kbuild-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: remove cc-name variable
kbuild: replace cc-name test with CONFIG_CC_IS_CLANG
merge_config.sh: Allow to define config prefix
kbuild: remove unused cc-fullversion variable
kconfig: remove silentoldconfig target
kconfig: remove oldnoconfig target
powerpc: PCI_MSI needs PCI
powerpc: remove CONFIG_MCA leftovers
powerpc: remove CONFIG_PCI_QSPAN
scsi: aha152x: rename the PCMCIA define
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Pull cifs fixes and updates from Steve French:
"Three small fixes (one Kerberos related, one for stable, and another
fixes an oops in xfstest 377), two helpful debugging improvements,
three patches for cifs directio and some minor cleanup"
* tag '4.20-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix signed/unsigned mismatch on aio_read patch
cifs: don't dereference smb_file_target before null check
CIFS: Add direct I/O functions to file_operations
CIFS: Add support for direct I/O write
CIFS: Add support for direct I/O read
smb3: missing defines and structs for reparse point handling
smb3: allow more detailed protocol info on open files for debugging
smb3: on kerberos mount if server doesn't specify auth type use krb5
smb3: add trace point for tree connection
cifs: fix spelling mistake, EACCESS -> EACCES
cifs: fix return value for cifs_listxattr
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull 9p fix from Al Viro:
"Regression fix for net/9p handling of iov_iter; broken by braino when
switching to iov_iter_is_kvec() et.al., spotted and fixed by Marc"
* 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
iov_iter: Fix 9p virtio breakage
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Pull more SCSI updates from James Bottomley:
"This is a set of minor small (and safe changes) that didn't make the
initial pull request plus some bug fixes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: mvsas: Remove set but not used variable 'id'
scsi: qla2xxx: Remove two arguments from qlafx00_error_entry()
scsi: qla2xxx: Make sure that qlafx00_ioctl_iosb_entry() initializes 'res'
scsi: qla2xxx: Remove a set-but-not-used variable
scsi: qla2xxx: Make qla2x00_sysfs_write_nvram() easier to analyze
scsi: qla2xxx: Declare local functions 'static'
scsi: qla2xxx: Improve several kernel-doc headers
scsi: qla2xxx: Modify fall-through annotations
scsi: 3w-sas: 3w-9xxx: Use unsigned char for cdb
scsi: mvsas: Use dma_pool_zalloc
scsi: target: Don't request modules that aren't even built
scsi: target: Set response length for REPORT TARGET PORT GROUPS
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Merge more updates from Andrew Morton:
- more ocfs2 work
- various leftovers
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
memory_hotplug: cond_resched in __remove_pages
bfs: add sanity check at bfs_fill_super()
kernel/sysctl.c: remove duplicated include
kernel/kexec_file.c: remove some duplicated includes
mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask
ocfs2: fix clusters leak in ocfs2_defrag_extent()
ocfs2: dlmglue: clean up timestamp handling
ocfs2: don't put and assigning null to bh allocated outside
ocfs2: fix a misuse a of brelse after failing ocfs2_check_dir_entry
ocfs2: don't use iocb when EIOCBQUEUED returns
ocfs2: without quota support, avoid calling quota recovery
ocfs2: remove ocfs2_is_o2cb_active()
mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings
include/linux/notifier.h: SRCU: fix ctags
mm: handle no memcg case in memcg_kmem_charge() properly
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We have received a bug report that unbinding a large pmem (>1TB) can
result in a soft lockup:
NMI watchdog: BUG: soft lockup - CPU#9 stuck for 23s! [ndctl:4365]
[...]
Supported: Yes
CPU: 9 PID: 4365 Comm: ndctl Not tainted 4.12.14-94.40-default #1 SLE12-SP4
Hardware name: Intel Corporation S2600WFD/S2600WFD, BIOS SE5C620.86B.01.00.0833.051120182255 05/11/2018
task: ffff9cce7d4410c0 task.stack: ffffbe9eb1bc4000
RIP: 0010:__put_page+0x62/0x80
Call Trace:
devm_memremap_pages_release+0x152/0x260
release_nodes+0x18d/0x1d0
device_release_driver_internal+0x160/0x210
unbind_store+0xb3/0xe0
kernfs_fop_write+0x102/0x180
__vfs_write+0x26/0x150
vfs_write+0xad/0x1a0
SyS_write+0x42/0x90
do_syscall_64+0x74/0x150
entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x7fd13166b3d0
It has been reported on an older (4.12) kernel but the current upstream
code doesn't cond_resched in the hot remove code at all and the given
range to remove might be really large. Fix the issue by calling
cond_resched once per memory section.
Link: http://lkml.kernel.org/r/20181031125840.23982-1-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Dan Williams <dan.j.williams@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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syzbot is reporting too large memory allocation at bfs_fill_super() [1].
Since file system image is corrupted such that bfs_sb->s_start == 0,
bfs_fill_super() is trying to allocate 8MB of continuous memory. Fix
this by adding a sanity check on bfs_sb->s_start, __GFP_NOWARN and
printf().
[1] https://syzkaller.appspot.com/bug?id=16a87c236b951351374a84c8a32f40edbc034e96
Link: http://lkml.kernel.org/r/1525862104-3407-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: syzbot <syzbot+71c6b5d68e91149fc8a4@syzkaller.appspotmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Tigran Aivazian <aivazian.tigran@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove one include of <linux/pipe_fs_i.h>.
No functional changes.
Link: http://lkml.kernel.org/r/20181004134223.17735-1-michael@schupikov.de
Signed-off-by: Michael Schupikov <michael@schupikov.de>
Reviewed-by: Richard Weinberger <richard@nod.at>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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