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Seems the blank line to separate entries in Kconfig was missing.
Add it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20221122133600.49897-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Simplify async probe test code by using ktime_ms_delta().
Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Link: https://lore.kernel.org/r/20211228092707.29987-1-mark-pk.tsai@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The structleak plugin causes the stack frame size to grow immensely when
used with KUnit:
../drivers/base/test/property-entry-test.c:492:1: warning: the frame size of 2832 bytes is larger than 2048 bytes [-Wframe-larger-than=]
../drivers/base/test/property-entry-test.c:322:1: warning: the frame size of 2080 bytes is larger than 2048 bytes [-Wframe-larger-than=]
../drivers/base/test/property-entry-test.c:250:1: warning: the frame size of 4976 bytes is larger than 2048 bytes [-Wframe-larger-than=]
../drivers/base/test/property-entry-test.c:115:1: warning: the frame size of 3280 bytes is larger than 2048 bytes [-Wframe-larger-than=]
Turn it off in this file.
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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With some of the stricter type checking in KUnit's EXPECT macros
removed, several casts in property-entry-test are no longer required.
Remove the unnecessary casts, making the conditions clearer.
Signed-off-by: David Gow <davidgow@google.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Change CONFIG_KUNIT_DRIVER_PE_TEST to CONFIG_DRIVER_PE_KUNIT_TEST inorder
to adhear to the KUNIT *_KUNIT_TEST config name format.
Fixes: aa811e3cecec (software node: introduce CONFIG_KUNIT_DRIVER_PE_TEST)
Signed-off-by: Nico Pache <npache@redhat.com>
Link: https://lore.kernel.org/r/ef06f65f4a622cf83cce5ba2ba5a060d2aa2e1b9.1618388989.git.npache@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is useful to assign software node reference with arguments
in a common way. Moreover, we have already couple of users that
may be converted. And by the fact, one of them is moved right here
to use the helper.
Tested-by: Daniel Scally <djrscally@gmail.com>
Reviewed-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210329151207.36619-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add test cases for fwnode_property_count_*() APIs.
While at it, modify the arrays of integers to be size of non-power-of-2
for better test coverage and decreasing stack usage.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210212162539.86850-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The structleak plugin causes the stack frame size to grow immensely:
drivers/base/test/property-entry-test.c: In function 'pe_test_reference':
drivers/base/test/property-entry-test.c:481:1: error: the frame size of 2640 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
481 | }
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drivers/base/test/property-entry-test.c: In function 'pe_test_uints':
drivers/base/test/property-entry-test.c:99:1: error: the frame size of 2592 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
Turn it off in this file.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210125124533.101339-3-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This makes it easier to enable all KUnit fragments.
Adding 'if !KUNIT_ALL_TESTS' so individual tests can not be turned off.
Therefore if KUNIT_ALL_TESTS is enabled that will hide the prompt in
menuconfig.
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is a small set of changes for 5.6-rc1 for the driver core and
some firmware subsystem changes.
Included in here are:
- device.h splitup like you asked for months ago
- devtmpfs minor cleanups
- firmware core minor changes
- debugfs fix for lockdown mode
- kernfs cleanup fix
- cpu topology minor fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (22 commits)
firmware: Rename FW_OPT_NOFALLBACK to FW_OPT_NOFALLBACK_SYSFS
devtmpfs: factor out common tail of devtmpfs_{create,delete}_node
devtmpfs: initify a bit
devtmpfs: simplify initialization of mount_dev
devtmpfs: factor out setup part of devtmpfsd()
devtmpfs: fix theoretical stale pointer deref in devtmpfsd()
driver core: platform: fix u32 greater or equal to zero comparison
cpu-topology: Don't error on more than CONFIG_NR_CPUS CPUs in device tree
debugfs: Return -EPERM when locked down
driver core: Print device when resources present in really_probe()
driver core: Fix test_async_driver_probe if NUMA is disabled
driver core: platform: Prevent resouce overflow from causing infinite loops
fs/kernfs/dir.c: Clean code by removing always true condition
component: do not dereference opaque pointer in debugfs
drivers/component: remove modular code
debugfs: Fix warnings when building documentation
device.h: move 'struct driver' stuff out to device/driver.h
device.h: move 'struct class' stuff out to device/class.h
device.h: move 'struct bus' stuff out to device/bus.h
device.h: move dev_printk()-like functions to dev_printk.h
...
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Currently the property entry kunit tests are built if CONFIG_KUNIT=y.
This will cause warnings when merged with the kunit tree that now
supports tristate CONFIG_KUNIT. While the tests appear to compile
as a module, we get a warning about missing module license.
It's better to have a per-test suite CONFIG variable so that
we can do selective building of kunit-based suites, and can
also avoid merge issues like this.
Fixes: c032ace71c29 ("software node: add basic tests for property entries")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Since commit 57ea974fb871 ("driver core: Rewrite test_async_driver_probe
to cover serialization and NUMA affinity"), running the test with NUMA
disabled results in warning messages similar to the following.
test_async_driver test_async_driver.12: NUMA node mismatch -1 != 0
If CONFIG_NUMA=n, dev_to_node(dev) returns -1, and numa_node_id()
returns 0. Both are widely used, so it appears risky to change return
values. Augment the check with IS_ENABLED(CONFIG_NUMA) instead
to fix the problem.
Cc: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Fixes: 57ea974fb871 ("driver core: Rewrite test_async_driver_probe to cover serialization and NUMA affinity")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable <stable@vger.kernel.org>
Acked-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Link: https://lore.kernel.org/r/20191127202453.28087-1-linux@roeck-us.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit c032ace71c29 ("software node: add basic tests for property
entries") introduced a global-out-of-bounds error because it forgot to
add a terminator of "nodes "for software_node_register_nodes() to
process.
# Subtest: property-entry
1..7
ok 1 - pe_test_uints
ok 2 - pe_test_uint_arrays
ok 3 - pe_test_strings
ok 4 - pe_test_bool
ok 5 - pe_test_move_inline_u8
ok 6 - pe_test_move_inline_str
==================================================================
BUG: KASAN: global-out-of-bounds in
software_node_register_nodes+0x41/0x80
Read of size 8 at addr ffffffff989ef250 by task kunit_try_catch/316
CPU: 17 PID: 316 Comm: kunit_try_catch Not tainted
5.5.0-rc4-next-20200106+ #1
Hardware name: HPE ProLiant DL385 Gen10/ProLiant DL385 Gen10, BIOS A40
03/09/2018
Call Trace:
dump_stack+0xa0/0xea
print_address_description.constprop.5.cold.7+0x64/0x384
__kasan_report.cold.8+0x7a/0xc0
kasan_report+0x12/0x20
__asan_load8+0x71/0xa0
software_node_register_nodes+0x41/0x80
pe_test_reference+0x1eb/0x1200
kunit_try_run_case+0x6b/0xd1
kunit_generic_run_threadfn_adapter+0x29/0x50
kthread+0x1e6/0x210
ret_from_fork+0x27/0x50
The buggy address belongs to the variable:
nodes.21544+0x30/0x920
Memory state around the buggy address:
ffffffff989ef100: fa fa fa fa 00 04 fa fa fa fa fa fa 00 00 00 00
ffffffff989ef180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffffff989ef200: fa fa fa fa 00 00 00 00 00 00 fa fa fa fa fa fa
^
ffffffff989ef280: 00 06 fa fa fa fa fa fa 00 00 04 fa fa fa fa fa
ffffffff989ef300: 00 00 fa fa fa fa fa fa 00 05 fa fa fa fa fa fa
==================================================================
Disabling lock debugging due to kernel taint
ok 7 - pe_test_reference
ok 8 - property-entry
Fixes: c032ace71c29 ("software node: add basic tests for property entries")
Signed-off-by: Qian Cai <cai@lca.pw>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This adds tests for creating software nodes with properties supplied by
PROPERTY_ENTRY_XXX() macros and fetching and validating data from said
nodes/properties.
We are using KUnit framework for the tests.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The Makefile in the drivers/base/test/ directory did not have a SPDX
identifier on it, so fix that up.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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affinity
The current async_probe test code is only testing one device allocated
prior to driver load and only loading one device afterwards. Instead of
doing things this way it makes much more sense to load one device per CPU
in order to actually stress the async infrastructure. By doing this we
should see delays significantly increase in the event of devices being
serialized.
In addition I have updated the test to verify that we are trying to place
the work on the correct NUMA node when we are running in async mode. By
doing this we can verify the best possible outcome for device and driver
load times.
I have added a timeout value that is used to disable the sleep and instead
cause the probe routine to report an error indicating it timed out. By
doing this we limit the maximum runtime for the test to 20 seconds or less.
The last major change in this set is that I have gone through and tuned it
for handling the massive number of possible events that will be scheduled.
Instead of reporting the sleep for each individual device it is moved to
only being displayed if we enable debugging.
With this patch applied below are what a failing test and a passing test
should look like. I elided a few hundred lines in the failing test that
were duplicated since the system I was testing on had a massive number of
CPU cores:
-- Failing --
[ 243.524697] test_async_driver_probe: registering first set of asynchronous devices...
[ 243.535625] test_async_driver_probe: registering asynchronous driver...
[ 243.543038] test_async_driver_probe: registration took 0 msecs
[ 243.549559] test_async_driver_probe: registering second set of asynchronous devices...
[ 243.568350] platform test_async_driver.447: registration took 9 msecs
[ 243.575544] test_async_driver_probe: registering first synchronous device...
[ 243.583454] test_async_driver_probe: registering synchronous driver...
[ 248.825920] test_async_driver_probe: registration took 5235 msecs
[ 248.825922] test_async_driver_probe: registering second synchronous device...
[ 248.825928] test_async_driver test_async_driver.443: NUMA node mismatch 3 != 1
[ 248.825932] test_async_driver test_async_driver.445: NUMA node mismatch 3 != 1
[ 248.825935] test_async_driver test_async_driver.446: NUMA node mismatch 3 != 1
[ 248.825939] test_async_driver test_async_driver.440: NUMA node mismatch 3 != 1
[ 248.825943] test_async_driver test_async_driver.441: NUMA node mismatch 3 != 1
...
[ 248.827150] test_async_driver test_async_driver.229: NUMA node mismatch 0 != 1
[ 248.827158] test_async_driver test_async_driver.228: NUMA node mismatch 0 != 1
[ 248.827220] test_async_driver test_async_driver.281: NUMA node mismatch 2 != 1
[ 248.827229] test_async_driver test_async_driver.282: NUMA node mismatch 2 != 1
[ 248.827240] test_async_driver test_async_driver.280: NUMA node mismatch 2 != 1
[ 253.945834] test_async_driver test_async_driver.1: NUMA node mismatch 0 != 1
[ 253.945878] test_sync_driver test_sync_driver.1: registration took 5119 msecs
[ 253.961693] test_async_driver_probe: async events still pending, forcing timeout and synchronize
[ 259.065839] test_async_driver test_async_driver.2: NUMA node mismatch 0 != 1
[ 259.073786] test_async_driver test_async_driver.3: async probe took too long
[ 259.081669] test_async_driver test_async_driver.3: NUMA node mismatch 0 != 1
[ 259.089569] test_async_driver test_async_driver.4: async probe took too long
[ 259.097451] test_async_driver test_async_driver.4: NUMA node mismatch 0 != 1
[ 259.105338] test_async_driver test_async_driver.5: async probe took too long
[ 259.113204] test_async_driver test_async_driver.5: NUMA node mismatch 0 != 1
[ 259.121089] test_async_driver test_async_driver.6: async probe took too long
[ 259.128961] test_async_driver test_async_driver.6: NUMA node mismatch 0 != 1
[ 259.136850] test_async_driver test_async_driver.7: async probe took too long
...
[ 262.124062] test_async_driver test_async_driver.221: async probe took too long
[ 262.132130] test_async_driver test_async_driver.221: NUMA node mismatch 3 != 1
[ 262.140206] test_async_driver test_async_driver.222: async probe took too long
[ 262.148277] test_async_driver test_async_driver.222: NUMA node mismatch 3 != 1
[ 262.156351] test_async_driver test_async_driver.223: async probe took too long
[ 262.164419] test_async_driver test_async_driver.223: NUMA node mismatch 3 != 1
[ 262.172630] test_async_driver_probe: Test failed with 222 errors and 336 warnings
-- Passing --
[ 105.419247] test_async_driver_probe: registering first set of asynchronous devices...
[ 105.432040] test_async_driver_probe: registering asynchronous driver...
[ 105.439718] test_async_driver_probe: registration took 0 msecs
[ 105.446239] test_async_driver_probe: registering second set of asynchronous devices...
[ 105.477986] platform test_async_driver.447: registration took 22 msecs
[ 105.485276] test_async_driver_probe: registering first synchronous device...
[ 105.493169] test_async_driver_probe: registering synchronous driver...
[ 110.597981] test_async_driver_probe: registration took 5097 msecs
[ 110.604806] test_async_driver_probe: registering second synchronous device...
[ 115.707490] test_sync_driver test_sync_driver.1: registration took 5094 msecs
[ 115.715478] test_async_driver_probe: completed successfully
Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that the SPDX tag is in all driver core files, that identifies the
license in a specific and legally-defined manner. So the extra GPL text
wording can be removed as it is no longer needed at all.
This is done on a quest to remove the 700+ different ways that files in
the kernel describe the GPL license text. And there's unneeded stuff
like the address (sometimes incorrect) for the FSF which is never
needed.
No copyright headers or other non-license-description text was removed.
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It's good to have SPDX identifiers in all files to make it easier to
audit the kernel tree for correct licenses.
Update the driver core files files with the correct SPDX license
identifier based on the license text in the file itself. The SPDX
identifier is a legally binding shorthand, which can be used instead of
the full boiler plate text.
This work is based on a script and data from Thomas Gleixner, Philippe
Ombredanne, and Kate Stewart.
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the set of driver core / debugfs patches for 4.15-rc1.
Not many here, mostly all are debugfs fixes to resolve some
long-reported problems with files going away with references to them
in userspace. There's also some SPDX cleanups for the debugfs code, as
well as a few other minor driver core changes for issues reported by
people.
All of these have been in linux-next for a week or more with no
reported issues"
* tag 'driver-core-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core: Fix device link deferred probe
debugfs: Remove redundant license text
debugfs: add SPDX identifiers to all debugfs files
debugfs: defer debugfs_fsdata allocation to first usage
debugfs: call debugfs_real_fops() only after debugfs_file_get()
debugfs: purge obsolete SRCU based removal protection
IB/hfi1: convert to debugfs_file_get() and -put()
debugfs: convert to debugfs_file_get() and -put()
debugfs: debugfs_real_fops(): drop __must_hold sparse annotation
debugfs: implement per-file removal protection
debugfs: add support for more elaborate ->d_fsdata
driver core: Move device_links_purge() after bus_remove_device()
arch_topology: Fix section miss match warning due to free_raw_capacity()
driver-core: pr_err() strings should end with newlines
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Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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pr_err() messages should terminated with a new-line to avoid
other messages being concatenated onto the end.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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0-day pointed out a typo in the platform device registration logic, so
fix it.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Guenter Roeck <groeck@chromium.org>
Cc: Dmitry Torokhov <dtor@chromium.org>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Cc: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove .owner field initialization as the core will do it.
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
CC: Dmitry Torokhov <dtor@chromium.org>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This test module tries to test asynchronous driver probing by having a
driver that sleeps for an extended period of time (5 secs) in its
probe() method. It measures the time needed to register this driver
(with device already registered) and a new device (with driver already
registered). The module will fail to load if the time spent in register
call is more than half the probing sleep time.
As a sanity check the driver will then try to synchronously register
driver and device and fail if registration takes less than half of the
probing sleep time.
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-by: Olof Johansson <olofj@chromium.org>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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