02 Nov, 2017
1 commit
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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
Reviewed-by: Philippe Ombredanne
Reviewed-by: Thomas Gleixner
Signed-off-by: Greg Kroah-Hartman
09 Sep, 2016
1 commit
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No need to calculate the string length on every loop iteration.
Signed-off-by: Lukas Wunner
Cc: Peter Jones
Signed-off-by: Matt Fleming
16 Feb, 2016
1 commit
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The comparisons should be >= since 0x800 and 0x80 require an additional bit
to store.For the 3 byte case, the existing shift would drop off 2 more bits than
intended.For the 2 byte case, there should be 5 bits bits in byte 1, and 6 bits in
byte 2.Signed-off-by: Jason Andryuk
Reviewed-by: Laszlo Ersek
Cc: Peter Jones
Cc: Matthew Garrett
Cc: "Lee, Chun-Yi"
Signed-off-by: Matt Fleming
10 Feb, 2016
1 commit
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This adds ucs2_utf8size(), which tells us how big our ucs2 string is in
bytes, and ucs2_as_utf8, which translates from ucs2 to utf8..Signed-off-by: Peter Jones
Tested-by: Lee, Chun-Yi
Acked-by: Matthew Garrett
Signed-off-by: Matt Fleming
16 Apr, 2013
1 commit
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We want to be able to use the utf16 functions that are currently present
in the EFI variables code in platform-specific code as well. Move them to
the kernel core, and in the process rename them to accurately describe what
they do - they don't handle UTF16, only UCS2.Signed-off-by: Matthew Garrett
Signed-off-by: Matt Fleming