Jeremy Sowden [Tue, 21 May 2019 07:56:28 +0000 (08:56 +0100)]
staging: kpc2000: added separate show functions for kpc_uio_class device attributes, defined them as read-only and declared them static.
Defined separate simple show functions for each attribute instead of
having a one big one containing a chain of conditionals.
Replaced scnprintf calls with sprintf since all the outputs are short
bounded strings or single integers.
All of the device attributes are read-only, so used DEVICE_ATTR_RO to
define them.
The definitions are only used to populate the kpc_uio_class_attrs
attribute array, so declared them as static.
Fixes the following sparse warnings:
drivers/staging/kpc2000/kpc2000/cell_probe.c:220:1: warning: symbol 'dev_attr_offset' was not declared. Should it be static?
drivers/staging/kpc2000/kpc2000/cell_probe.c:221:1: warning: symbol 'dev_attr_size' was not declared. Should it be static?
drivers/staging/kpc2000/kpc2000/cell_probe.c:222:1: warning: symbol 'dev_attr_type' was not declared. Should it be static?
drivers/staging/kpc2000/kpc2000/cell_probe.c:223:1: warning: symbol 'dev_attr_s2c_dma' was not declared. Should it be static?
drivers/staging/kpc2000/kpc2000/cell_probe.c:224:1: warning: symbol 'dev_attr_c2s_dma' was not declared. Should it be static?
drivers/staging/kpc2000/kpc2000/cell_probe.c:225:1: warning: symbol 'dev_attr_irq_count' was not declared. Should it be static?
drivers/staging/kpc2000/kpc2000/cell_probe.c:226:1: warning: symbol 'dev_attr_irq_base_num' was not declared. Should it be static?
drivers/staging/kpc2000/kpc2000/cell_probe.c:227:1: warning: symbol 'dev_attr_core_num' was not declared. Should it be static?
Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging: vt6656: clean error path for firmware management
Avoid discarding return value of functions called during firmware
management process. Handle such return value and return 0 on success or
a negative errno value on error.
staging: vt6656: avoid discarding called function's return code
Change some of the driver's functions in order to handle error codes
instead of discarding them. These function now returns 0 on success and
a negative errno value on error.
vnt_free_tx_bufs() relies on priv->tx_context elements to be NULL if
they are not initialized (as vnt_free_rx_bufs() does). Add a check to
these elements in order to avoid NULL pointer dereference.
staging: kpc2000: move the i2c driver out of its subdirectory
There is no need for a subdirectory for just a single .c file. So move
it out of kpc_i2c/ and rename it to the module name that we want the
file to build to, saving one more linking stage.
Cc: Matt Sickler <Matt.Sickler@daktronics.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging: kpc2000: move the spi driver out of its subdirectory
There is no need for a subdirectory for just a single .c file. So move
it out of kpc_spi/ and rename it to the module name that we want the
file to build to, saving one more linking stage.
Cc: Matt Sickler <Matt.Sickler@daktronics.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The fileops.c file does not need to be stand-alone, so move it into the
core.c file. This lets us make some functions static, reducing the
global namespace of the driver.
Cc: Matt Sickler <Matt.Sickler@daktronics.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Geordan Neukum [Sat, 18 May 2019 02:30:00 +0000 (02:30 +0000)]
staging: kpc2000: kpc_i2c: fixup block comment style in i2c_driver.c
Throughout i2c_driver.c, there are numerous deviations from the two
standards of:
- placing a '*' at the beginning of every line containing a
block comment.
- placing the closing comment marker '*/' on a new line.
Instead, use a block comment style that is more consistent with the
prescribed guidelines.
Geordan Neukum [Sat, 18 May 2019 02:29:59 +0000 (02:29 +0000)]
staging: kpc2000: kpc_i2c: use %s with __func__ identifier in log messages
Throughout i2c_driver.c, there are instances where the log strings
contain the function's name hardcoded into the string. Instead, use the
printk conversion specifier '%s' with the __func__ preprocessor
identifier to more maintainably print the function's name.
Geordan Neukum [Sat, 18 May 2019 02:29:58 +0000 (02:29 +0000)]
staging: kpc2000: kpc_i2c: prevent memory leak in probe() error case
The probe() function performs a kzalloc to dynamically allocate memory
at runtime. If the allocation succeeds, yet invoking the function
i2c_add_adapter fails, the dynamically allocated memory is never freed.
Change the allocation to use the managed allocation API instead and
remove the manual freeing of the memory in the remove() function.
Geordan Neukum [Sat, 18 May 2019 02:29:57 +0000 (02:29 +0000)]
staging: kpc2000: kpc_i2c: reformat copyright for better readability
The copyright header in i2c_driver.c is difficult to read and not
chronologically ordered. Reformat and reorganize the copyright header
to be similar to other drivers in the i2c subsystem.
The kp200_module.c does not need to be stand-alone, so move it into the
core.c file. This lets us make some functions static, reducing the
global namespace of the driver.
Cc: Matt Sickler <Matt.Sickler@daktronics.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jeeeun Evans [Fri, 17 May 2019 17:14:48 +0000 (18:14 +0100)]
staging: rtl8723bs: Fix boolinit.cocci warnings
This patch removes unnecessary comparisons to bool.
Issue found by coccinelle:
drivers/staging/rtl8723bs/core/rtw_ap.c:2159:5-11: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_cmd.c:1741:7-17: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_ioctl_set.c:360:5-15: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_ioctl_set.c:360:28-39: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_mlme.c:1675:6-10: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_mlme_ext.c:6766:8-21: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_pwrctrl.c:181:5-40: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_wlan_util.c:748:14-42: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_xmit.c:2429:15-47: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_xmit.c:2458:7-17: WARNING: Comparison to bool
drivers/staging/rtl8723bs/core/rtw_xmit.c:2524:8-18: WARNING: Comparison to bool
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:1653:13-36: WARNING: Comparison to bool
Fix the warning issued by checkpatch
Prefer kernel type 'u32' over 'uint32_t'.
Along with that include a blank line after a declaration
to maintain Linux kernel coding style.
Minor features and improvements
* ad5758
- declare an of_device_id table rather than just relying on the spi
fallback which doesn't use the manufacturer id.
- drop a set but not used variable left from previous refactor.
* ad7816
- Add a bit more description to kconfig text.
* ad9523
- change calculation order to improve frequency accuracy.
* adxl372
- declare an of_device_id table
* adt7316
- white space.
* at91_adc
- Use dev_get_drvdata directly rather than boucing to the platform device
and back again.
* cros_ec
- add an id sysfs entry to bring in line with the other implementations.
* ds5522
- drop a check on the of_node existing as we don't actually use it for
anything.
* kxsd9
- declare an of_device_id table.
* maxim_thermocouple
- declare an of_device_id table.
* mt6577
- add dt binding entry for mt8183 which is also supported.
* rcar-gyroadc
- tidy up unnecessary error messages.
* stm32-dfsdm
- improved error handling.
* stmpe-adc
- drop an unnecessary variable assignment.
- add an of_device_id table.
- reinit completion on begin converstion to avoid a path in which
previous round had been interrupted, also switch to non interruptible
wait to avoid an issue with a user program using -pg
- simplify interrupt handling by just having them always enabled.
- reset all interrupts on startup and in the timeout handler to
avoid getting stuck.
* sun4i-gpadc
- SPDX
* tag 'iio-for-5.3a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (28 commits)
iio: adc: mediatek: mt6577-auxadc, add mt6765 support
dt-bindings: iio: adc: mediatek: Add document for mt6765
dt-bindings: iio: accel: adxl345: switch to YAML bindings
iio: adc: sun4i-gpadc-iio convert to SPDX license tags
iio: ad9523-1: Improve reported VCO frequency accuracy
iio: dac: ds4422/ds4424 drop of_node check
iio: stmpe-adc: Reset possible interrupts
iio: stmpe-adc: Use wait_for_completion_timeout
iio: stmpe-adc: Enable all stmpe-adc interrupts just once
iio: stmpe-adc: Reinit completion struct on begin conversion
iio: stmpe-adc: Add compatible name
iio: stmpe-adc: Remove unnecessary assignment
staging: iio: adc: Add paragraph to describe Kconfig symbol
staging: iio: adt7316: match parenthesis alignment
iio: adc: rcar-gyroadc: Remove devm_iio_device_alloc() error printing
dt-bindings: iio: isl29018: convert bindings to YAML format
dt-bindings: adc: mt8183: add binding document
iio: dac: ad5758: remove set but not used variable 'dc_dc_mode'
iio: cros_ec: add 'id' sysfs entry
iio: adc: stm32-dfsdm: missing error case during probe
...
Hariprasad Kelam [Wed, 15 May 2019 17:08:46 +0000 (22:38 +0530)]
staging: rtl8723bs: core: rtw_recv: fix warning Unneeded variable ret
fix below warning reported by coccicheck
drivers/staging/rtl8723bs/core/rtw_recv.c:1903:5-8: Unneeded variable:
"ret". Return "_SUCCESS" on line 1972
drivers/staging/rtl8723bs/core/rtw_recv.c:1618:6-9: Unneeded variable:
"ret". Return "_SUCCESS" on line 1705
The killable version of wait_event() is meant to be used on situations
where it should not fail at all costs, but still have the convenience of
being able to kill it if really necessary. Wait events in VCHIQ doesn't
fit this criteria, as it's mainly used as an interface to V4L2 and ALSA
devices.
Fixes: 852b2876a8a8 ("staging: vchiq: rework remove_event handling") Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Acked-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging: vchiq: revert "switch to wait_for_completion_killable"
The killable version of wait_for_completion() is meant to be used on
situations where it should not fail at all costs, but still have the
convenience of being able to kill it if really necessary. VCHIQ doesn't
fit this criteria, as it's mainly used as an interface to V4L2 and ALSA
devices.
Fixes: a772f116702e ("staging: vchiq: switch to wait_for_completion_killable") Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Acked-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging: vchiq_2835_arm: revert "quit using custom down_interruptible()"
The killable version of down() is meant to be used on situations where
it should not fail at all costs, but still have the convenience of being
able to kill it if really necessary. VCHIQ doesn't fit this criteria, as
it's mainly used as an interface to V4L2 and ALSA devices.
Fixes: ff5979ad8636 ("staging: vchiq_2835_arm: quit using custom down_interruptible()") Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Acked-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Puranjay Mohan [Tue, 14 May 2019 21:44:07 +0000 (03:14 +0530)]
Staging: rtl8192e: Use %s and __func__ in strings
Fix following checkpatch.pl warnings by using %s and __func__
in strings instead of function names.
WARNING: Prefer using '"%s...", __func__' to using '_rtl92e_dm_check_rate_adaptive', this function's name, in a string
WARNING: Prefer using '"%s...", __func__' to using 'rtl92e_dm_restore_state', this function's name, in a string
Jeremy Sowden [Wed, 15 May 2019 11:14:35 +0000 (12:14 +0100)]
staging: kpc2000: added designated initializers to two structs.
Fixed the following two sparse warnings by using designated
initializers:
drivers/staging/kpc2000/kpc2000/cell_probe.c:101:34: warning: Using plain integer as NULL pointer
drivers/staging/kpc2000/kpc2000/cell_probe.c:364:34: warning: Using plain integer as NULL pointer
Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jeremy Sowden [Wed, 15 May 2019 11:14:34 +0000 (12:14 +0100)]
staging: kpc2000: declare two functions as static.
Two functions were not used outside the translation-unit in which they
were defined. Declared them static.
Fixes two sparse warnings:
drivers/staging/kpc2000/kpc2000/cell_probe.c:98:5: warning: symbol 'probe_core_basic' was not declared. Should it be static?
drivers/staging/kpc2000/kpc2000/cell_probe.c:288:5: warning: symbol 'probe_core_uio' was not declared. Should it be static?
Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Vandana BN [Mon, 13 May 2019 13:43:27 +0000 (19:13 +0530)]
Staging: kpc2000: kpc_dma: Resolve cast warning and use const for file_operation
This Patch resolves unnecessary cast warning and const file_operations
reported by checkpath.pl
WARNING: unnecessary cast may hide bugs
WARNING: struct file_operations should normally be const
Vandana BN [Mon, 13 May 2019 13:43:26 +0000 (19:13 +0530)]
Staging: kpc2000: kpc_dma: Resolve warning to use __func__ insted of funtion name reported by checkpatch.
This patch resolves warnings to use __func__ insted of funtion name.
WARNING: Prefer using '"%s...", __func__' to using 'setup_dma_engine', this function's name, in a string
Vandana BN [Mon, 13 May 2019 13:43:25 +0000 (19:13 +0530)]
Staging: kpc2000: kpc_dma: Resolve warning Missing blank line after declarations & labels not to be indented.
This patch resloves below warnings reported by checkpath in kpc_dma
WARNING: Missing a blank line after declarations
WARNING: labels should not be indented
CHECK: Please don't use multiple blank lines
CHECK: Please use a blank line after function/struct/union/enum
declarations
Vandana BN [Mon, 13 May 2019 13:43:24 +0000 (19:13 +0530)]
Staging: kpc2000: kpc_dma: Resolve checkpath errors Macros in paranthesis & trailing statements on next line.
This patch fixes below errors reported by checkpath
ERROR: Macros with complex values should be enclosed in parentheses
CHECK: Prefer using the BIT macro
ERROR: trailing statements should be on next line
ERROR: trailing statements should be on next line
Vandana BN [Mon, 13 May 2019 13:43:23 +0000 (19:13 +0530)]
Staging: kpc2000: kpc_dma: Resolve code indent and trailing statements on next line errors reported by checkpatch.
This patch fixes code indentaion error reported by checkpath
ERROR: switch and case should be at the same indent
ERROR: trailing statements should be on next line
Vandana BN [Mon, 13 May 2019 13:43:22 +0000 (19:13 +0530)]
Staging: kpc2000: kpc_dma: Resolve checkpatch space errors around brace '{', '!' and open paranthesis '('.
This patch resolves below errors reported by checkpath
ERROR: space required before the open brace '{'
ERROR: space prohibited after that '!' (ctx:BxW)
ERROR: space prohibited after that open parenthesis '('
Vandana BN [Mon, 13 May 2019 13:43:21 +0000 (19:13 +0530)]
Staging: kpc2000: kpc_dma: Resolve space errors around pointers and function declarations reported by checkpatch.
This patch resolves below errors reported by checkpatch
ERROR: "(foo*)" should be "(foo *)"
ERROR: "foo * bar" should be "foo *bar"
ERROR: "foo __init bar" should be "foo __init bar"
ERROR: "foo __exit bar" should be "foo __exit bar"
Colin Ian King [Sat, 11 May 2019 13:48:13 +0000 (14:48 +0100)]
staging: vc04_services: bcm2835-camera: remove redundant assignment to variable ret
The variable ret is being initialized however this is never read and later
it is being reassigned to a new value. The initialization is redundant and
hence can be removed.
Addresses-Coverity: ("Unused Value") Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove unnecessary typecast in kzalloc function. In addition to that
replace kzalloc(sizeof(*acd)) over kzalloc(sizeof(struct aio_cb_data))
to maintain Linux kernel style.
Hariprasad Kelam [Sun, 12 May 2019 10:53:45 +0000 (16:23 +0530)]
drivers: staging : wlan-ng : collect return status without variable
As caller rdev_set_default_key not particular about -EFAULT.
We can preserve the return value of prism2_domibset_uint32.
Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
----
Changes in v2:
- remove masking of original return value with EFAULT
Changes in v3:
- merge patch v1 and v2 sothat it can be applied on linux-next Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linus Torvalds [Sun, 19 May 2019 22:22:03 +0000 (15:22 -0700)]
Merge tag 'upstream-5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBIFS fixes from Richard Weinberger:
- build errors wrt xattrs
- mismerge which lead to a wrong Kconfig ifdef
- missing endianness conversion
* tag 'upstream-5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubifs: Convert xattr inum to host order
ubifs: Use correct config name for encryption
ubifs: Fix build error without CONFIG_UBIFS_FS_XATTR
Linus Torvalds [Sun, 19 May 2019 19:15:32 +0000 (12:15 -0700)]
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:
"A few final bits:
- large changes to vmalloc, yielding large performance benefits
- tweak the console-flush-on-panic code
- a few fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
panic: add an option to replay all the printk message in buffer
initramfs: don't free a non-existent initrd
fs/writeback.c: use rcu_barrier() to wait for inflight wb switches going into workqueue when umount
mm/compaction.c: correct zone boundary handling when isolating pages from a pageblock
mm/vmap: add DEBUG_AUGMENT_LOWEST_MATCH_CHECK macro
mm/vmap: add DEBUG_AUGMENT_PROPAGATE_CHECK macro
mm/vmalloc.c: keep track of free blocks for vmap allocation
Linus Torvalds [Sun, 19 May 2019 18:53:58 +0000 (11:53 -0700)]
Merge tag 'kbuild-v5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
- remove unneeded use of cc-option, cc-disable-warning, cc-ldoption
- exclude tracked files from .gitignore
- re-enable -Wint-in-bool-context warning
- refactor samples/Makefile
- stop building immediately if syncconfig fails
- do not sprinkle error messages when $(CC) does not exist
- move arch/alpha/defconfig to the configs subdirectory
- remove crappy header search path manipulation
- add comment lines to .config to clarify the end of menu blocks
- check uniqueness of module names (adding new warnings intentionally)
* tag 'kbuild-v5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (24 commits)
kconfig: use 'else ifneq' for Makefile to improve readability
kbuild: check uniqueness of module names
kconfig: Terminate menu blocks with a comment in the generated config
kbuild: add LICENSES to KBUILD_ALLDIRS
kbuild: remove 'addtree' and 'flags' magic for header search paths
treewide: prefix header search paths with $(srctree)/
media: prefix header search paths with $(srctree)/
media: remove unneeded header search paths
alpha: move arch/alpha/defconfig to arch/alpha/configs/defconfig
kbuild: terminate Kconfig when $(CC) or $(LD) is missing
kbuild: turn auto.conf.cmd into a mandatory include file
.gitignore: exclude .get_maintainer.ignore and .gitattributes
kbuild: add all Clang-specific flags unconditionally
kbuild: Don't try to add '-fcatch-undefined-behavior' flag
kbuild: add some extra warning flags unconditionally
kbuild: add -Wvla flag unconditionally
arch: remove dangling asm-generic wrappers
samples: guard sub-directories with CONFIG options
kbuild: re-enable int-in-bool-context warning
MAINTAINERS: kbuild: Add pattern for scripts/*vmlinux*
...
Linus Torvalds [Sun, 19 May 2019 18:47:03 +0000 (11:47 -0700)]
Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"Some I2C core API additions which are kind of simple but enhance error
checking for users a lot, especially by returning errno now.
There are wrappers to still support the old API but it will be removed
once all users are converted"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: core: add device-managed version of i2c_new_dummy
i2c: core: improve return value handling of i2c_new_device and i2c_new_dummy
Linus Torvalds [Sun, 19 May 2019 18:43:16 +0000 (11:43 -0700)]
Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Some bug fixes, and an update to the URL's for the final version of
Unicode 12.1.0"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: avoid panic during forced reboot due to aborted journal
ext4: fix block validity checks for journal inodes using indirect blocks
unicode: update to Unicode 12.1.0 final
unicode: add missing check for an error return from utf8lookup()
ext4: fix miscellaneous sparse warnings
ext4: unsigned int compared against zero
ext4: fix use-after-free in dx_release()
ext4: fix data corruption caused by overlapping unaligned and aligned IO
jbd2: fix potential double free
ext4: zero out the unused memory region in the extent tree block
Linus Torvalds [Sun, 19 May 2019 18:38:18 +0000 (11:38 -0700)]
Merge tag '5.2-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Minor cleanup and fixes, one for stable, four rdma (smbdirect)
related. Also adds SEEK_HOLE support"
* tag '5.2-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: add support for SEEK_DATA and SEEK_HOLE
Fixed https://bugzilla.kernel.org/show_bug.cgi?id=202935 allow write on the same file
cifs: Allocate memory for all iovs in smb2_ioctl
cifs: Don't match port on SMBDirect transport
cifs:smbd Use the correct DMA direction when sending data
cifs:smbd When reconnecting to server, call smbd_destroy() after all MIDs have been called
cifs: use the right include for signal_pending()
smb3: trivial cleanup to smb2ops.c
cifs: cleanup smb2ops.c and normalize strings
smb3: display session id in debug data
Linus Torvalds [Sun, 19 May 2019 18:20:22 +0000 (11:20 -0700)]
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf tooling updates from Ingo Molnar:
"perf.data:
- Streaming compression of perf ring buffer into
PERF_RECORD_COMPRESSED user space records, resulting in ~3-5x
perf.data file size reduction on variety of tested workloads what
saves storage space on larger server systems where perf.data size
can easily reach several tens or even hundreds of GiBs, especially
when profiling with DWARF-based stacks and tracing of context
switches.
perf record:
- Improve -user-regs/intr-regs suggestions to overcome errors
perf annotate:
- Remove hist__account_cycles() from callback, speeding up branch
processing (perf record -b)
perf stat:
- Add a 'percore' event qualifier, e.g.: -e
cpu/event=0,umask=0x3,percore=1/, that sums up the event counts for
both hardware threads in a core.
We can already do this with --per-core, but it's often useful to do
this together with other metrics that are collected per hardware
thread.
I.e. now its possible to do this per-event, and have it mixed with
other events not aggregated by core.
arm64:
- Map Brahma-B53 CPUID to cortex-a53 events.
- Add Cortex-A57 and Cortex-A72 events.
csky:
- Add DWARF register mappings for libdw, allowing --call-graph=dwarf
to work on the C-SKY arch.
x86:
- Add support for recording and printing XMM registers, available,
for instance, on Icelake.
- Add uncore_upi (Intel's "Ultra Path Interconnect" events) JSON
support. UPI replaced the Intel QuickPath Interconnect (QPI) in
Xeon Skylake-SP.
Intel PT:
- Fix instructions sampling rate.
- Timestamp fixes.
- Improve exported-sql-viewer GUI, allowing, for instance, to
copy'n'paste the trees, useful for e-mailing"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (73 commits)
perf stat: Support 'percore' event qualifier
perf stat: Factor out aggregate counts printing
perf tools: Add a 'percore' event qualifier
perf docs: Add description for stderr
perf intel-pt: Fix sample timestamp wrt non-taken branches
perf intel-pt: Fix improved sample timestamp
perf intel-pt: Fix instructions sampling rate
perf regs x86: Add X86 specific arch__intr_reg_mask()
perf parse-regs: Add generic support for arch__intr/user_reg_mask()
perf parse-regs: Split parse_regs
perf vendor events arm64: Add Cortex-A57 and Cortex-A72 events
perf vendor events arm64: Map Brahma-B53 CPUID to cortex-a53 events
perf vendor events arm64: Remove [[:xdigit:]] wildcard
perf jevents: Remove unused variable
perf test zstd: Fixup verbose mode output
perf tests: Implement Zstd comp/decomp integration test
perf inject: Enable COMPRESSED record decompression
perf report: Implement perf.data record decompression
perf record: Implement -z,--compression_level[=<n>] option
perf report: Add stub processing of compressed events for -D
...
Linus Torvalds [Sun, 19 May 2019 18:11:20 +0000 (11:11 -0700)]
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull clocksource updates from Ingo Molnar:
"Misc clocksource/clockevent driver updates that came in a bit late but
are ready for v5.2"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
misc: atmel_tclib: Do not probe already used TCBs
clocksource/drivers/timer-atmel-tcb: Convert tc_clksrc_suspend|resume() to static
clocksource/drivers/tcb_clksrc: Rename the file for consistency
clocksource/drivers/timer-atmel-pit: Rework Kconfig option
clocksource/drivers/tcb_clksrc: Move Kconfig option
ARM: at91: Implement clocksource selection
clocksource/drivers/tcb_clksrc: Use tcb as sched_clock
clocksource/drivers/tcb_clksrc: Stop depending on atmel_tclib
ARM: at91: move SoC specific definitions to SoC folder
clocksource/drivers/timer-milbeaut: Cleanup common register accesses
clocksource/drivers/timer-milbeaut: Add shutdown function
clocksource/drivers/timer-milbeaut: Fix to enable one-shot timer
clocksource/drivers/tegra: Rework for compensation of suspend time
clocksource/drivers/sp804: Add COMPILE_TEST to CONFIG_ARM_TIMER_SP804
clocksource/drivers/sun4i: Add a compatible for suniv
dt-bindings: timer: Add Allwinner suniv timer
Linus Torvalds [Sun, 19 May 2019 17:58:45 +0000 (10:58 -0700)]
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull IRQ chip updates from Ingo Molnar:
"A late irqchips update:
- New TI INTR/INTA set of drivers
- Rewrite of the stm32mp1-exti driver as a platform driver
- Update the IOMMU MSI mapping API to be RT friendly
- A number of cleanups and other low impact fixes"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits)
iommu/dma-iommu: Remove iommu_dma_map_msi_msg()
irqchip/gic-v3-mbi: Don't map the MSI page in mbi_compose_m{b, s}i_msg()
irqchip/ls-scfg-msi: Don't map the MSI page in ls_scfg_msi_compose_msg()
irqchip/gic-v3-its: Don't map the MSI page in its_irq_compose_msi_msg()
irqchip/gicv2m: Don't map the MSI page in gicv2m_compose_msi_msg()
iommu/dma-iommu: Split iommu_dma_map_msi_msg() in two parts
genirq/msi: Add a new field in msi_desc to store an IOMMU cookie
arm64: arch_k3: Enable interrupt controller drivers
irqchip/ti-sci-inta: Add msi domain support
soc: ti: Add MSI domain bus support for Interrupt Aggregator
irqchip/ti-sci-inta: Add support for Interrupt Aggregator driver
dt-bindings: irqchip: Introduce TISCI Interrupt Aggregator bindings
irqchip/ti-sci-intr: Add support for Interrupt Router driver
dt-bindings: irqchip: Introduce TISCI Interrupt router bindings
gpio: thunderx: Use the default parent apis for {request,release}_resources
genirq: Introduce irq_chip_{request,release}_resource_parent() apis
firmware: ti_sci: Add helper apis to manage resources
firmware: ti_sci: Add RM mapping table for am654
firmware: ti_sci: Add support for IRQ management
firmware: ti_sci: Add support for RM core ops
...