- Revert two patches to gpio_do_set_config() and implement
the proper solution that works, also drop an unecessary
call in set_config()
- Fix up the lockdep class for hierarchical IRQ domains.
- Remove some bridge code for line directions.
- Fix a register access bug in the Xilinx driver.
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Merge tag 'gpio-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
- Revert two patches to gpio_do_set_config() and implement the proper
solution that works, also drop an unecessary call in set_config()
- Fix up the lockdep class for hierarchical IRQ domains.
- Remove some bridge code for line directions.
- Fix a register access bug in the Xilinx driver.
* tag 'gpio-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: sifive: fix static checker warning
spmi: pmic-arb: Set lockdep class for hierarchical irq domains
gpio: xilinx: Fix bug where the wrong GPIO register is written to
gpiolib: remove unnecessary argument from set_config call
gpio: bd71828: Remove unneeded defines for GPIO_LINE_DIRECTION_IN/OUT
MAINTAINERS: Sort entries in database for GPIO
gpiolib: fix gpio_do_set_config()
Revert "gpiolib: remove set but not used variable 'config'"
Revert "gpiolib: Remove duplicated function gpio_do_set_config()"
Pull crypto fix from Herbert Xu:
"This fixes a Kconfig anomaly when lib/crypto is enabled without Crypto
API"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: Kconfig - allow tests to be disabled when manager is disabled
Fix kernel-doc warnings in struct pipe_inode_info after @wait was
split into @rd_wait and @wr_wait.
include/linux/pipe_fs_i.h:66: warning: Function parameter or member 'rd_wait' not described in 'pipe_inode_info'
include/linux/pipe_fs_i.h:66: warning: Function parameter or member 'wr_wait' not described in 'pipe_inode_info'
Fixes: 0ddad21d3e ("pipe: use exclusive waits when reading or writing")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The arm64 time code is not a clock provider, and just needs to call
of_clk_init().
Hence it can include <linux/of_clk.h> instead of <linux/clk-provider.h>.
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Will Deacon <will@kernel.org>
- Fix RWF_NOWAIT writes to properly return -EAGAIN
- Clean up an unused helper
- Update dax_writeback_mapping_range to not need a block_device argument
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Merge tag 'dax-fixes-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull dax fixes from Dan Williams:
"A fix for an xfstest failure and some and an update that removes an
fsdax dependency on block devices.
Summary:
- Fix RWF_NOWAIT writes to properly return -EAGAIN
- Clean up an unused helper
- Update dax_writeback_mapping_range to not need a block_device
argument"
* tag 'dax-fixes-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dax: pass NOWAIT flag to iomap_apply
dax: Get rid of fs_dax_get_by_host() helper
dax: Pass dax_dev instead of bdev to dax_writeback_mapping_range()
- Fix an uninitialized variable
- Fix compile bug to bootconfig userspace tool (in tools directory)
- Suppress some error messages of bootconfig userspace tool
- Remove unneded CONFIG_LIBXBC from bootconfig
- Allocate bootconfig xbc_nodes dynamically.
To ease complaints about taking up static memory at boot up
- Use of parse_args() to parse bootconfig instead of strstr() usage
Prevents issues of double quotes containing the interested string
- Fix missing ring_buffer_nest_end() on synthetic event error path
- Return zero not -EINVAL on soft disabled synthetic event
(soft disabling must be the same as hard disabling, which returns zero)
- Consolidate synthetic event code (remove duplicate code)
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Merge tag 'trace-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Various fixes:
- Fix an uninitialized variable
- Fix compile bug to bootconfig userspace tool (in tools directory)
- Suppress some error messages of bootconfig userspace tool
- Remove unneded CONFIG_LIBXBC from bootconfig
- Allocate bootconfig xbc_nodes dynamically. To ease complaints about
taking up static memory at boot up
- Use of parse_args() to parse bootconfig instead of strstr() usage
Prevents issues of double quotes containing the interested string
- Fix missing ring_buffer_nest_end() on synthetic event error path
- Return zero not -EINVAL on soft disabled synthetic event (soft
disabling must be the same as hard disabling, which returns zero)
- Consolidate synthetic event code (remove duplicate code)"
* tag 'trace-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Consolidate trace() functions
tracing: Don't return -EINVAL when tracing soft disabled synth events
tracing: Add missing nest end to synth_event_trace_start() error case
tools/bootconfig: Suppress non-error messages
bootconfig: Allocate xbc_nodes array dynamically
bootconfig: Use parse_args() to find bootconfig and '--'
tracing/kprobe: Fix uninitialized variable bug
bootconfig: Remove unneeded CONFIG_LIBXBC
tools/bootconfig: Fix wrong __VA_ARGS__ usage
The entire asm/archrandom.h header is generically included via
linux/archrandom.h only when CONFIG_ARCH_RANDOM is already set, so the
stub definitions of __arm64_rndr() and __early_cpu_has_rndr() are only
visible to KASLR if it explicitly includes the arch-internal header.
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Move the checking, buffer reserve and buffer commit code in
synth_event_trace_start/end() into inline functions
__synth_event_trace_start/end() so they can also be used by
synth_event_trace() and synth_event_trace_array(), and then have all
those functions use them.
Also, change synth_event_trace_state.enabled to disabled so it only
needs to be set if the event is disabled, which is not normally the
case.
Link: http://lkml.kernel.org/r/b1f3108d0f450e58192955a300e31d0405ab4149.1581374549.git.zanussi@kernel.org
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
There's no reason to return -EINVAL when tracing a synthetic event if
it's soft disabled - treat it the same as if it were hard disabled and
return normally.
Have synth_event_trace() and synth_event_trace_array() just return
normally, and have synth_event_trace_start set the trace state to
disabled and return.
Link: http://lkml.kernel.org/r/df5d02a1625aff97c9866506c5bada6a069982ba.1581374549.git.zanussi@kernel.org
Fixes: 8dcc53ad95 ("tracing: Add synth_event_trace() and related functions")
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
If the ring_buffer reserve in synth_event_trace_start() fails, the
matching ring_buffer_nest_end() should be called in the error code,
since nothing else will ever call it in this case.
Link: http://lkml.kernel.org/r/20abc444b3eeff76425f895815380abe7aa53ff8.1581374549.git.zanussi@kernel.org
Fixes: 8dcc53ad95 ("tracing: Add synth_event_trace() and related functions")
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Pull cgroup fix from Tejun Heo:
"I made a mistake while removing cgroup task list lazy init
optimization making the root cgroup.procs show entries for the
init_tasks. The zero entries doesn't cause critical failures but does
make systemd print out warning messages during boot.
Fix it by omitting init_tasks as they should be"
* 'for-5.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: init_tasks shouldn't be linked to the root cgroup
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Merge tag 'selinux-pr-20200210' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull SELinux fixes from Paul Moore:
"Two small fixes: one fixes a locking problem in the recently merged
label translation code, the other fixes an embarrassing 'binderfs' /
'binder' filesystem name check"
* tag 'selinux-pr-20200210' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: fix sidtab string cache locking
selinux: fix typo in filesystem name
Suppress non-error messages when applying new bootconfig
to initrd image. To enable it, replace printf for error
message with pr_err() macro.
This also adds a testcase for this fix.
Link: http://lkml.kernel.org/r/158125351377.16911.13283712972275131160.stgit@devnote2
Reported-by: Michael Ellerman <mpe@ellerman.id.au>
Tested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
To reduce the large static array from kernel data, allocate
xbc_nodes array dynamically only if the kernel loads a
bootconfig.
Note that this also add dummy memblock.h for user-spacae
bootconfig tool.
Link: http://lkml.kernel.org/r/158108569699.3187.6512834527603883707.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Since commit 56d5893615 ("kbuild: do not create orphan built-in.a or
obj-y objects"), scripts/link-vmlinux.sh does nothing when descending
into init/.
Once the version number becomes out of sync between .version and
include/generated/compile.h, it is not self-healing.
[How to reproduce]
$ echo 100 > .version
$ make
You will see the number in the .version is always bigger than that in
compile.h by one. After this, every time you run 'make', the vmlinux is
re-linked even when none of source files is updated.
Fixes: 56d5893615 ("kbuild: do not create orphan built-in.a or obj-y objects")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
memcpy() writes one more byte than allocated.
Fixes: 8d60526999 ("scripts/kallsyms: change table to store (strcut sym_entry *)")
Reported-by: youling257 <youling257@gmail.com>
Reported-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Pavel Machek <pavel@ucw.cz>
Even though a SMMUv3 PMCG implementation may use an MSI as the form of
interrupt source, the kernel would still complain that it does not find
the wired (GSIV) interrupt in this case:
root@(none)$ dmesg | grep arm-smmu-v3-pmcg | grep "not found"
[ 59.237219] arm-smmu-v3-pmcg arm-smmu-v3-pmcg.8.auto: IRQ index 0 not found
[ 59.322841] arm-smmu-v3-pmcg arm-smmu-v3-pmcg.9.auto: IRQ index 0 not found
[ 59.422155] arm-smmu-v3-pmcg arm-smmu-v3-pmcg.10.auto: IRQ index 0 not found
[ 59.539014] arm-smmu-v3-pmcg arm-smmu-v3-pmcg.11.auto: IRQ index 0 not found
[ 59.640329] arm-smmu-v3-pmcg arm-smmu-v3-pmcg.12.auto: IRQ index 0 not found
[ 59.743112] arm-smmu-v3-pmcg arm-smmu-v3-pmcg.13.auto: IRQ index 0 not found
[ 59.880577] arm-smmu-v3-pmcg arm-smmu-v3-pmcg.14.auto: IRQ index 0 not found
[ 60.017528] arm-smmu-v3-pmcg arm-smmu-v3-pmcg.15.auto: IRQ index 0 not found
Use platform_get_irq_optional() to silence the warning.
If neither interrupt source is found, then the driver will still warn that
IRQ setup errored and the probe will fail.
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Will Deacon <will@kernel.org>
The current implementation does a naive search of "bootconfig" on the kernel
command line. But this could find "bootconfig" that is part of another
option in quotes (although highly unlikely). But it also needs to find '--'
on the kernel command line to know if it should append a '--' or not when a
bootconfig in the initrd file has an "init" section. The check uses the
naive strstr() to find to see if it exists. But this can return a false
positive if it exists in an option and then the "init" section in the initrd
will not be appended properly.
Using parse_args() to find both of these will solve both of these problems.
Link: https://lore.kernel.org/r/202002070954.C18E7F58B@keescook
Fixes: 7495e0926f ("bootconfig: Only load bootconfig if "bootconfig" is on the kernel cmdline")
Fixes: 1319916209 ("bootconfig: init: Allow admin to use bootconfig for init command line")
Reported-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
There is a potential execution path in which variable *ret* is returned
without being properly initialized, previously.
Fix this by initializing variable *ret* to 0.
Link: http://lkml.kernel.org/r/20200205223404.GA3379@embeddedor
Addresses-Coverity-ID: 1491142 ("Uninitialized scalar variable")
Fixes: 2a588dd1d5 ("tracing: Add kprobe event command generation functions")
Reviewed-by: Tom Zanussi <zanussi@kernel.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Since there is no user except CONFIG_BOOT_CONFIG and no plan
to use it from other functions, CONFIG_LIBXBC can be removed
and we can use CONFIG_BOOT_CONFIG directly.
Link: http://lkml.kernel.org/r/158098769281.939.16293492056419481105.stgit@devnote2
Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Since printk() wrapper macro uses __VA_ARGS__ without "##" prefix, it causes
a build error if there is no variable arguments (e.g. only fmt is
specified.) To fix this error, use ##__VA_ARGS__ instead of __VAR_ARGS__.
Link: http://lkml.kernel.org/r/158108370130.2758.10893830923800978011.stgit@devnote2
Fixes: 950313ebf7 ("tools: bootconfig: Add bootconfig command")
Reported-by: Michael Ellerman <mpe@ellerman.id.au>
Tested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Typcasting "irq_state" leads to the below static checker warning:
The fix is to declare "irq_state" as unsigned long instead of u32.
drivers/gpio/gpio-sifive.c:97 sifive_gpio_irq_enable()
warn: passing casted pointer '&chip->irq_state' to
'assign_bit()' 32 vs 64.
Fixes: 96868dce64 ("gpio/sifive: Add GPIO driver for SiFive SoCs")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Yash Shah <yash.shah@sifive.com>
Link: https://lore.kernel.org/r/1580189061-14091-1-git-send-email-yash.shah@sifive.com
Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
I see the following lockdep splat in the qcom pinctrl driver when
attempting to suspend the device.
WARNING: possible recursive locking detected
5.4.11 #3 Tainted: G W
--------------------------------------------
cat/3074 is trying to acquire lock:
ffffff81f49804c0 (&irq_desc_lock_class){-.-.}, at: __irq_get_desc_lock+0x64/0x94
but task is already holding lock:
ffffff81f1cc10c0 (&irq_desc_lock_class){-.-.}, at: __irq_get_desc_lock+0x64/0x94
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&irq_desc_lock_class);
lock(&irq_desc_lock_class);
*** DEADLOCK ***
May be due to missing lock nesting notation
6 locks held by cat/3074:
#0: ffffff81f01d9420 (sb_writers#7){.+.+}, at: vfs_write+0xd0/0x1a4
#1: ffffff81bd7d2080 (&of->mutex){+.+.}, at: kernfs_fop_write+0x12c/0x1fc
#2: ffffff81f4c322f0 (kn->count#337){.+.+}, at: kernfs_fop_write+0x134/0x1fc
#3: ffffffe411a41d60 (system_transition_mutex){+.+.}, at: pm_suspend+0x108/0x348
#4: ffffff81f1c5e970 (&dev->mutex){....}, at: __device_suspend+0x168/0x41c
#5: ffffff81f1cc10c0 (&irq_desc_lock_class){-.-.}, at: __irq_get_desc_lock+0x64/0x94
stack backtrace:
CPU: 5 PID: 3074 Comm: cat Tainted: G W 5.4.11 #3
Hardware name: Google Cheza (rev3+) (DT)
Call trace:
dump_backtrace+0x0/0x174
show_stack+0x20/0x2c
dump_stack+0xc8/0x124
__lock_acquire+0x460/0x2388
lock_acquire+0x1cc/0x210
_raw_spin_lock_irqsave+0x64/0x80
__irq_get_desc_lock+0x64/0x94
irq_set_irq_wake+0x40/0x144
qpnpint_irq_set_wake+0x28/0x34
set_irq_wake_real+0x40/0x5c
irq_set_irq_wake+0x70/0x144
pm8941_pwrkey_suspend+0x34/0x44
platform_pm_suspend+0x34/0x60
dpm_run_callback+0x64/0xcc
__device_suspend+0x310/0x41c
dpm_suspend+0xf8/0x298
dpm_suspend_start+0x84/0xb4
suspend_devices_and_enter+0xbc/0x620
pm_suspend+0x210/0x348
state_store+0xb0/0x108
kobj_attr_store+0x14/0x24
sysfs_kf_write+0x4c/0x64
kernfs_fop_write+0x15c/0x1fc
__vfs_write+0x54/0x18c
vfs_write+0xe4/0x1a4
ksys_write+0x7c/0xe4
__arm64_sys_write+0x20/0x2c
el0_svc_common+0xa8/0x160
el0_svc_handler+0x7c/0x98
el0_svc+0x8/0xc
Set a lockdep class when we map the irq so that irq_set_wake() doesn't
warn about a lockdep bug that doesn't exist.
Fixes: 12a9eeaebb ("spmi: pmic-arb: convert to v2 irq interfaces to support hierarchical IRQ chips")
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Brian Masney <masneyb@onstation.org>
Cc: Lina Iyer <ilina@codeaurora.org>
Cc: Maulik Shah <mkshah@codeaurora.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200121183748.68662-1-swboyd@chromium.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Care is taken with "index", however with the current version
the actual xgpio_writereg is using index for data but
xgpio_regoffset(chip, i) for the offset. And since i is already
incremented it is incorrect. This patch fixes it so that index
is used for the offset too.
Cc: stable@vger.kernel.org
Signed-off-by: Paul Thomas <pthomas8589@gmail.com>
Link: https://lore.kernel.org/r/20200125221410.8022-1-pthomas8589@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- fix a regression introduced by gpio_do_set_config()
- sort GPIO entries in MAINTAINERS
- remove leftover defines in gpio-bd71828
- remove an redundant switch case in gpio_set_config()
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Merge tag 'gpio-fixes-for-v5.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into fixes
gpio fixes for v5.6-rc2
- fix a regression introduced by gpio_do_set_config()
- sort GPIO entries in MAINTAINERS
- remove leftover defines in gpio-bd71828
- remove an redundant switch case in gpio_set_config()
The commit f5bfdc8e39 ("locking/osq: Use optimized spinning loop for
arm64") introduced a warning from Clang because vcpu_is_preempted() is
compiled away,
kernel/locking/osq_lock.c:25:19: warning: unused function 'node_cpu'
[-Wunused-function]
static inline int node_cpu(struct optimistic_spin_node *node)
^
1 warning generated.
Fix it by converting vcpu_is_preempted() to a static inline function.
Fixes: f5bfdc8e39 ("locking/osq: Use optimized spinning loop for arm64")
Acked-by: Waiman Long <longman@redhat.com>
Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: Will Deacon <will@kernel.org>
When all CPUs in the system implement the SSBS extension, the SSBS field
in PSTATE is the definitive indication of the mitigation state. Further,
when the CPUs implement the SSBS manipulation instructions (advertised
to userspace via an HWCAP), EL0 can toggle the SSBS field directly and
so we cannot rely on any shadow state such as TIF_SSBD at all.
Avoid forcing the SSBS field in context-switch on such a system, and
simply rely on the PSTATE register instead.
Cc: <stable@vger.kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Srinivas Ramana <sramana@codeaurora.org>
Fixes: cbdf8a189a ("arm64: Force SSBS on context switch")
Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Use shared sysctl variables for zero and one constants, as in
commit eec4844fae ("proc/sysctl: add shared variables for range check")
Fixes: 63f0c60379 ("arm64: Introduce prctl() options to control the tagged user addresses ABI")
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: Will Deacon <will@kernel.org>
There is a redundant do_sp_pc_abort() declaration in exceptions.h which can
be removed. Also do_el0_ia_bp_hardening() as been already been dropped with
the commit bfe298745a ("arm64: entry-common: don't touch daif before
bp-hardening") and hence does not need a declaration any more. This should
not introduce any functional change.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: James Morse <james.morse@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Remove unnecessary argument when setting PIN_CONFIG_BIAS_DISABLE. No
argument is expected by pinctrl, so removing it should be harmless.
Fixes: 2148ad7790 ("gpiolib: add support for disabling line bias")
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Run parse-maintainers.pl and choose GPIO records. Fix them accordingly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Commit d90f36851d ("gpiolib: have a single place of calling
set_config()") introduced a regression where we don't pass the right
variable as argument to the set_config() callback of gpio driver from
gpio_set_config(). After reverting two additional patches that came
on top of it - this addresses the issue by changing the type of the last
argument of gpio_do_set_config() to unsigned long and making sure the
packed config variable is actually used in gpio_set_config().
Fixes: d90f36851d ("gpiolib: have a single place of calling set_config()")
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
This reverts commit e5e42ad224.
This patch came on top of another patch that introduced a regression.
Revert it before addressing the culprit.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
This reverts commit d18fddff06.
This patch came on top of another patch that introduced a regression.
Revert it before addressing the culprit.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
- fix randconfig to generate a sane .config
- rename hostprogs-y / always to hostprogs / always-y, which are
more natual syntax.
- optimize scripts/kallsyms
- fix yes2modconfig and mod2yesconfig
- make multiple directory targets ('make foo/ bar/') work
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Merge tag 'kbuild-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
- fix randconfig to generate a sane .config
- rename hostprogs-y / always to hostprogs / always-y, which are more
natual syntax.
- optimize scripts/kallsyms
- fix yes2modconfig and mod2yesconfig
- make multiple directory targets ('make foo/ bar/') work
* tag 'kbuild-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: make multiple directory targets work
kconfig: Invalidate all symbols after changing to y or m.
kallsyms: fix type of kallsyms_token_table[]
scripts/kallsyms: change table to store (strcut sym_entry *)
scripts/kallsyms: rename local variables in read_symbol()
kbuild: rename hostprogs-y/always to hostprogs/always-y
kbuild: fix the document to use extra-y for vmlinux.lds
kconfig: fix broken dependency in randconfig-generated .config
Zonefs is a very simple file system exposing each zone of a zoned block
device as a file.
Unlike a regular file system with native zoned block device support
(e.g. f2fs or the on-going btrfs effort), zonefs does not hide the
sequential write constraint of zoned block devices to the user. As a
result, zonefs is not a POSIX compliant file system. Its goal is to
simplify the implementation of zoned block devices support in
applications by replacing raw block device file accesses with a richer
file based API, avoiding relying on direct block device file ioctls
which may be more obscure to developers.
One example of this approach is the implementation of LSM
(log-structured merge) tree structures (such as used in RocksDB and
LevelDB) on zoned block devices by allowing SSTables to be stored in a
zone file similarly to a regular file system rather than as a range of
sectors of a zoned device. The introduction of the higher level
construct "one file is one zone" can help reducing the amount of changes
needed in the application while at the same time allowing the use of
zoned block devices with various programming languages other than C.
Zonefs IO management implementation uses the new iomap generic code.
Zonefs has been successfully tested using a functional test suite
(available with zonefs userland format tool on github) and a prototype
implementation of LevelDB on top of zonefs.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
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Merge tag 'zonefs-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
Pull new zonefs file system from Damien Le Moal:
"Zonefs is a very simple file system exposing each zone of a zoned
block device as a file.
Unlike a regular file system with native zoned block device support
(e.g. f2fs or the on-going btrfs effort), zonefs does not hide the
sequential write constraint of zoned block devices to the user. As a
result, zonefs is not a POSIX compliant file system. Its goal is to
simplify the implementation of zoned block devices support in
applications by replacing raw block device file accesses with a richer
file based API, avoiding relying on direct block device file ioctls
which may be more obscure to developers.
One example of this approach is the implementation of LSM
(log-structured merge) tree structures (such as used in RocksDB and
LevelDB) on zoned block devices by allowing SSTables to be stored in a
zone file similarly to a regular file system rather than as a range of
sectors of a zoned device. The introduction of the higher level
construct "one file is one zone" can help reducing the amount of
changes needed in the application while at the same time allowing the
use of zoned block devices with various programming languages other
than C.
Zonefs IO management implementation uses the new iomap generic code.
Zonefs has been successfully tested using a functional test suite
(available with zonefs userland format tool on github) and a prototype
implementation of LevelDB on top of zonefs"
* tag 'zonefs-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
zonefs: Add documentation
fs: New zonefs file system
In order to allow the GICv4 code to link properly on 32bit ARM,
make sure we don't use 64bit divisions when it isn't strictly
necessary.
Fixes: 4e6437f12d ("irqchip/gic-v4.1: Ensure L2 vPE table is allocated at RD level")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag '5.6-rc-smb3-plugfest-patches' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"13 cifs/smb3 patches, most from testing at the SMB3 plugfest this week:
- Important fix for multichannel and for modefromsid mounts.
- Two reconnect fixes
- Addition of SMB3 change notify support
- Backup tools fix
- A few additional minor debug improvements (tracepoints and
additional logging found useful during testing this week)"
* tag '5.6-rc-smb3-plugfest-patches' of git://git.samba.org/sfrench/cifs-2.6:
smb3: Add defines for new information level, FileIdInformation
smb3: print warning once if posix context returned on open
smb3: add one more dynamic tracepoint missing from strict fsync path
cifs: fix mode bits from dir listing when mounted with modefromsid
cifs: fix channel signing
cifs: add SMB3 change notification support
cifs: make multichannel warning more visible
cifs: fix soft mounts hanging in the reconnect code
cifs: Add tracepoints for errors on flush or fsync
cifs: log warning message (once) if out of disk space
cifs: fail i/o on soft mounts if sessionsetup errors out
smb3: fix problem with null cifs super block with previous patch
SMB3: Backup intent flag missing from some more ops
Pull vboxfs from Al Viro:
"This is the VirtualBox guest shared folder support by Hans de Goede,
with fixups for fs_parse folded in to avoid bisection hazards from
those API changes..."
* 'work.vboxsf' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: Add VirtualBox guest shared folder (vboxsf) support
- Ensure that the PIT is set up when the local APIC is disable or
configured in legacy mode. This is caused by an ordering issue
introduced in the recent changes which skip PIT initialization when the
TSC and APIC frequencies are already known.
- Handle malformed SRAT tables during early ACPI parsing which caused an
infinite loop anda boot hang.
- Fix a long standing race in the affinity setting code which affects PCI
devices with non-maskable MSI interrupts. The problem is caused by the
non-atomic writes of the MSI address (destination APIC id) and data
(vector) fields which the device uses to construct the MSI message. The
non-atomic writes are mandated by PCI.
If both fields change and the device raises an interrupt after writing
address and before writing data, then the MSI block constructs a
inconsistent message which causes interrupts to be lost and subsequent
malfunction of the device.
The fix is to redirect the interrupt to the new vector on the current
CPU first and then switch it over to the new target CPU. This allows to
observe an eventually raised interrupt in the transitional stage (old
CPU, new vector) to be observed in the APIC IRR and retriggered on the
new target CPU and the new vector. The potential spurious interrupts
caused by this are harmless and can in the worst case expose a buggy
driver (all handlers have to be able to deal with spurious interrupts as
they can and do happen for various reasons).
- Add the missing suspend/resume mechanism for the HYPERV hypercall page
which prevents resume hibernation on HYPERV guests. This change got
lost before the merge window.
- Mask the IOAPIC before disabling the local APIC to prevent potentially
stale IOAPIC remote IRR bits which cause stale interrupt lines after
resume.
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Merge tag 'x86-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"A set of fixes for X86:
- Ensure that the PIT is set up when the local APIC is disable or
configured in legacy mode. This is caused by an ordering issue
introduced in the recent changes which skip PIT initialization when
the TSC and APIC frequencies are already known.
- Handle malformed SRAT tables during early ACPI parsing which caused
an infinite loop anda boot hang.
- Fix a long standing race in the affinity setting code which affects
PCI devices with non-maskable MSI interrupts. The problem is caused
by the non-atomic writes of the MSI address (destination APIC id)
and data (vector) fields which the device uses to construct the MSI
message. The non-atomic writes are mandated by PCI.
If both fields change and the device raises an interrupt after
writing address and before writing data, then the MSI block
constructs a inconsistent message which causes interrupts to be
lost and subsequent malfunction of the device.
The fix is to redirect the interrupt to the new vector on the
current CPU first and then switch it over to the new target CPU.
This allows to observe an eventually raised interrupt in the
transitional stage (old CPU, new vector) to be observed in the APIC
IRR and retriggered on the new target CPU and the new vector.
The potential spurious interrupts caused by this are harmless and
can in the worst case expose a buggy driver (all handlers have to
be able to deal with spurious interrupts as they can and do happen
for various reasons).
- Add the missing suspend/resume mechanism for the HYPERV hypercall
page which prevents resume hibernation on HYPERV guests. This
change got lost before the merge window.
- Mask the IOAPIC before disabling the local APIC to prevent
potentially stale IOAPIC remote IRR bits which cause stale
interrupt lines after resume"
* tag 'x86-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic: Mask IOAPIC entries when disabling the local APIC
x86/hyperv: Suspend/resume the hypercall page for hibernation
x86/apic/msi: Plug non-maskable MSI affinity race
x86/boot: Handle malformed SRAT tables during early ACPI parsing
x86/timer: Don't skip PIT setup when APIC is disabled or in legacy mode
- Make the UP version of smp_call_function_single() match SMP semantics
when called for a not available CPU. Instead of emitting a warning and
assuming that the function call target is CPU0, return a proper error
code like the SMP version does.
- Remove a superfluous check in smp_call_function_many_cond()
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Merge tag 'smp-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SMP fixes from Thomas Gleixner:
"Two fixes for the SMP related functionality:
- Make the UP version of smp_call_function_single() match SMP
semantics when called for a not available CPU. Instead of emitting
a warning and assuming that the function call target is CPU0,
return a proper error code like the SMP version does.
- Remove a superfluous check in smp_call_function_many_cond()"
* tag 'smp-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
smp/up: Make smp_call_function_single() match SMP semantics
smp: Remove superfluous cond_func check in smp_call_function_many_cond()
- Kernel fixes:
- Install cgroup events to the correct CPU context to prevent a
potential list double add
- Prevent am intgeer underflow in the perf mlock acounting
- Add a missing prototyp for arch_perf_update_userpage()
- Tooling:
- Add a missing unlock in the error path of maps__insert() in perf maps.
- Fix the build with the latest libbfd
- Fix the perf parser so it does not delete parse event terms, which
caused a regression for using perf with the ARM CoreSight as the sink
confuguration was missing due to the deletion.
- Fix the double free in the perf CPU map merging test case
- Add the missing ustring support for the perf probe command
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Merge tag 'perf-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
"A set of fixes and improvements for the perf subsystem:
Kernel fixes:
- Install cgroup events to the correct CPU context to prevent a
potential list double add
- Prevent an integer underflow in the perf mlock accounting
- Add a missing prototype for arch_perf_update_userpage()
Tooling:
- Add a missing unlock in the error path of maps__insert() in perf
maps.
- Fix the build with the latest libbfd
- Fix the perf parser so it does not delete parse event terms, which
caused a regression for using perf with the ARM CoreSight as the
sink configuration was missing due to the deletion.
- Fix the double free in the perf CPU map merging test case
- Add the missing ustring support for the perf probe command"
* tag 'perf-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf maps: Add missing unlock to maps__insert() error case
perf probe: Add ustring support for perf probe command
perf: Make perf able to build with latest libbfd
perf test: Fix test case Merge cpu map
perf parse: Copy string to perf_evsel_config_term
perf parse: Refactor 'struct perf_evsel_config_term'
kernel/events: Add a missing prototype for arch_perf_update_userpage()
perf/cgroups: Install cgroup events to correct cpuctx
perf/core: Fix mlock accounting in perf_mmap()
- Handle a subtle race between the clocksource watchdog and a concurrent
clocksource watchdog stop/start sequence correctly to prevent a timer
double add bug.
- Fix the file path for the core time namespace file.
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Merge tag 'timers-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"Two small fixes for the time(r) subsystem:
- Handle a subtle race between the clocksource watchdog and a
concurrent clocksource watchdog stop/start sequence correctly to
prevent a timer double add bug.
- Fix the file path for the core time namespace file"
* tag 'timers-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: Prevent double add_timer_on() for watchdog_timer
MAINTAINERS: Correct path to time namespace source file
- Provision only ACPI enabled redistributors on GICv3
- Use the proper command colums when building the INVALL command for the
GICv3-ITS
- Ensure the allocation of the L2 vPE table for GICv4.1
- Correct the GICv4.1 VPROBASER programming so it uses the proper size
- A set of small GICv4.1 tidy up patches
- Configuration cleanup for C-SKY interrupt chip
- Clarify the function documentation for irq_set_wake() to document that
the wakeup functionality is orthogonal to the irq disable/enable
mechanism.
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Merge tag 'irq-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt fixes from Thomas Gleixner:
"A set of fixes for the interrupt subsystem:
- Provision only ACPI enabled redistributors on GICv3
- Use the proper command colums when building the INVALL command for
the GICv3-ITS
- Ensure the allocation of the L2 vPE table for GICv4.1
- Correct the GICv4.1 VPROBASER programming so it uses the proper
size
- A set of small GICv4.1 tidy up patches
- Configuration cleanup for C-SKY interrupt chip
- Clarify the function documentation for irq_set_wake() to document
that the wakeup functionality is orthogonal to the irq
disable/enable mechanism"
* tag 'irq-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3-its: Rename VPENDBASER/VPROPBASER accessors
irqchip/gic-v3-its: Remove superfluous WARN_ON
irqchip/gic-v4.1: Drop 'tmp' in inherit_vpe_l1_table_from_rd()
irqchip/gic-v4.1: Ensure L2 vPE table is allocated at RD level
irqchip/gic-v4.1: Set vpe_l1_base for all redistributors
irqchip/gic-v4.1: Fix programming of GICR_VPROPBASER_4_1_SIZE
genirq: Clarify that irq wake state is orthogonal to enable/disable
irqchip/gic-v3-its: Reference to its_invall_cmd descriptor when building INVALL
irqchip: Some Kconfig cleanup for C-SKY
irqchip/gic-v3: Only provision redistributors that are enabled in ACPI
recent rework of the EFI memory map parsing. On systems with invalid memmap
entries the cleanup function uses an value which cannot be relied on in
this stage. Use the actual EFI memmap entry instead.
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Merge tag 'efi-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fix from Thomas Gleixner:
"A single fix for a EFI boot regression on X86 which was caused by the
recent rework of the EFI memory map parsing. On systems with invalid
memmap entries the cleanup function uses an value which cannot be
relied on in this stage. Use the actual EFI memmap entry instead"
* tag 'efi-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/x86: Fix boot regression on systems with invalid memmap entries
Five small patches, all in drivers or doc, which missed the initial
pull request. The qla2xxx and megaraid_sas are actual fixes and the
rest are spelling and doc changes.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull misc SCSI fixes from James Bottomley:
"Five small patches, all in drivers or doc, which missed the initial
pull request.
The qla2xxx and megaraid_sas are actual fixes and the rest are
spelling and doc changes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: fix spelling mistake "initilized" -> "initialized"
scsi: pm80xx: fix spelling mistake "to" -> "too"
scsi: MAINTAINERS: ufs: remove pedrom.sousa@synopsys.com
scsi: megaraid_sas: fixup MSIx interrupt setup during resume
scsi: qla2xxx: Fix unbound NVME response length
Pull networking fixes from David Miller:
1) Unbalanced locking in mwifiex_process_country_ie, from Brian Norris.
2) Fix thermal zone registration in iwlwifi, from Andrei
Otcheretianski.
3) Fix double free_irq in sgi ioc3 eth, from Thomas Bogendoerfer.
4) Use after free in mptcp, from Florian Westphal.
5) Use after free in wireguard's root_remove_peer_lists, from Eric
Dumazet.
6) Properly access packets heads in bonding alb code, from Eric
Dumazet.
7) Fix data race in skb_queue_len(), from Qian Cai.
8) Fix regression in r8169 on some chips, from Heiner Kallweit.
9) Fix XDP program ref counting in hv_netvsc, from Haiyang Zhang.
10) Certain kinds of set link netlink operations can cause a NULL deref
in the ipv6 addrconf code. Fix from Eric Dumazet.
11) Don't cancel uninitialized work queue in drop monitor, from Ido
Schimmel.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (84 commits)
net: thunderx: use proper interface type for RGMII
mt76: mt7615: fix max_nss in mt7615_eeprom_parse_hw_cap
bpf: Improve bucket_log calculation logic
selftests/bpf: Test freeing sockmap/sockhash with a socket in it
bpf, sockhash: Synchronize_rcu before free'ing map
bpf, sockmap: Don't sleep while holding RCU lock on tear-down
bpftool: Don't crash on missing xlated program instructions
bpf, sockmap: Check update requirements after locking
drop_monitor: Do not cancel uninitialized work item
mlxsw: spectrum_dpipe: Add missing error path
mlxsw: core: Add validation of hardware device types for MGPIR register
mlxsw: spectrum_router: Clear offload indication from IPv6 nexthops on abort
selftests: mlxsw: Add test cases for local table route replacement
mlxsw: spectrum_router: Prevent incorrect replacement of local table routes
net: dsa: microchip: enable module autoprobe
ipv6/addrconf: fix potential NULL deref in inet6_set_link_af()
dpaa_eth: support all modes with rate adapting PHYs
net: stmmac: update pci platform data to use phy_interface
net: stmmac: xgmac: fix missing IFF_MULTICAST checki in dwxgmac2_set_filter
net: stmmac: fix missing IFF_MULTICAST check in dwmac4_set_filter
...
