License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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>
2017-11-01 14:07:57 +00:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2016-06-03 00:19:27 +00:00
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#ifndef _ASM_X86_INTEL_FAMILY_H
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#define _ASM_X86_INTEL_FAMILY_H
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/*
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* "Big Core" Processors (Branded as Core, Xeon, etc...)
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*
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2018-02-02 13:43:35 +00:00
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* While adding a new CPUID for a new microarchitecture, add a new
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* group to keep logically sorted out in chronological order. Within
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* that group keep the CPUID for the variants sorted by model number.
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2019-08-15 18:16:24 +00:00
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*
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* The defined symbol names have the following form:
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* INTEL_FAM6{OPTFAMILY}_{MICROARCH}{OPTDIFF}
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* where:
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* OPTFAMILY Describes the family of CPUs that this belongs to. Default
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* is assumed to be "_CORE" (and should be omitted). Other values
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* currently in use are _ATOM and _XEON_PHI
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* MICROARCH Is the code name for the micro-architecture for this core.
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* N.B. Not the platform name.
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* OPTDIFF If needed, a short string to differentiate by market segment.
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2019-08-27 19:48:25 +00:00
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*
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* Common OPTDIFFs:
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*
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* - regular client parts
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* _L - regular mobile parts
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* _G - parts with extra graphics on
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* _X - regular server parts
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* _D - micro server parts
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*
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* Historical OPTDIFFs:
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*
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* _EP - 2 socket server parts
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* _EX - 4+ socket server parts
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2019-08-15 18:16:24 +00:00
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*
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2021-03-15 16:12:53 +00:00
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* The #define line may optionally include a comment including platform or core
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2021-04-09 12:10:27 +00:00
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* names. An exception is made for skylake/kabylake where steppings seem to have gotten
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2021-03-15 16:12:53 +00:00
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* their own names :-(
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2016-06-03 00:19:27 +00:00
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*/
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2020-03-20 13:13:47 +00:00
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/* Wildcard match for FAM6 so X86_MATCH_INTEL_FAM6_MODEL(ANY) works */
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#define INTEL_FAM6_ANY X86_MODEL_ANY
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2016-06-03 00:19:27 +00:00
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#define INTEL_FAM6_CORE_YONAH 0x0E
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2017-03-16 15:50:45 +00:00
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2016-06-03 00:19:27 +00:00
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#define INTEL_FAM6_CORE2_MEROM 0x0F
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#define INTEL_FAM6_CORE2_MEROM_L 0x16
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#define INTEL_FAM6_CORE2_PENRYN 0x17
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#define INTEL_FAM6_CORE2_DUNNINGTON 0x1D
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#define INTEL_FAM6_NEHALEM 0x1E
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2016-06-29 19:27:37 +00:00
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#define INTEL_FAM6_NEHALEM_G 0x1F /* Auburndale / Havendale */
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2016-06-03 00:19:27 +00:00
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#define INTEL_FAM6_NEHALEM_EP 0x1A
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#define INTEL_FAM6_NEHALEM_EX 0x2E
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2017-03-16 15:50:45 +00:00
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2016-06-03 00:19:27 +00:00
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#define INTEL_FAM6_WESTMERE 0x25
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#define INTEL_FAM6_WESTMERE_EP 0x2C
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#define INTEL_FAM6_WESTMERE_EX 0x2F
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#define INTEL_FAM6_SANDYBRIDGE 0x2A
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#define INTEL_FAM6_SANDYBRIDGE_X 0x2D
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#define INTEL_FAM6_IVYBRIDGE 0x3A
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#define INTEL_FAM6_IVYBRIDGE_X 0x3E
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2019-08-27 19:48:21 +00:00
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#define INTEL_FAM6_HASWELL 0x3C
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2016-06-03 00:19:27 +00:00
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#define INTEL_FAM6_HASWELL_X 0x3F
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2019-08-27 19:48:22 +00:00
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#define INTEL_FAM6_HASWELL_L 0x45
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2019-08-27 19:48:23 +00:00
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#define INTEL_FAM6_HASWELL_G 0x46
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2016-06-03 00:19:27 +00:00
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2019-08-27 19:48:21 +00:00
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#define INTEL_FAM6_BROADWELL 0x3D
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2019-08-27 19:48:23 +00:00
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#define INTEL_FAM6_BROADWELL_G 0x47
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2016-06-03 00:19:27 +00:00
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#define INTEL_FAM6_BROADWELL_X 0x4F
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2019-08-27 19:48:24 +00:00
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#define INTEL_FAM6_BROADWELL_D 0x56
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2016-06-03 00:19:27 +00:00
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2021-03-15 16:12:53 +00:00
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#define INTEL_FAM6_SKYLAKE_L 0x4E /* Sky Lake */
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#define INTEL_FAM6_SKYLAKE 0x5E /* Sky Lake */
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#define INTEL_FAM6_SKYLAKE_X 0x55 /* Sky Lake */
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2021-04-09 12:10:27 +00:00
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/* CASCADELAKE_X 0x55 Sky Lake -- s: 7 */
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/* COOPERLAKE_X 0x55 Sky Lake -- s: 11 */
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2016-06-03 00:19:27 +00:00
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2021-03-15 16:12:53 +00:00
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#define INTEL_FAM6_KABYLAKE_L 0x8E /* Sky Lake */
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/* AMBERLAKE_L 0x8E Sky Lake -- s: 9 */
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/* COFFEELAKE_L 0x8E Sky Lake -- s: 10 */
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/* WHISKEYLAKE_L 0x8E Sky Lake -- s: 11,12 */
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2018-02-02 13:43:35 +00:00
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2021-03-15 16:12:53 +00:00
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#define INTEL_FAM6_KABYLAKE 0x9E /* Sky Lake */
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/* COFFEELAKE 0x9E Sky Lake -- s: 10-13 */
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2019-02-14 11:57:08 +00:00
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2021-03-15 16:12:53 +00:00
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#define INTEL_FAM6_COMETLAKE 0xA5 /* Sky Lake */
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#define INTEL_FAM6_COMETLAKE_L 0xA6 /* Sky Lake */
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2019-09-05 19:30:17 +00:00
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2021-03-15 16:12:53 +00:00
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#define INTEL_FAM6_CANNONLAKE_L 0x66 /* Palm Cove */
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2019-10-08 15:50:02 +00:00
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2021-03-15 16:12:53 +00:00
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#define INTEL_FAM6_ICELAKE_X 0x6A /* Sunny Cove */
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#define INTEL_FAM6_ICELAKE_D 0x6C /* Sunny Cove */
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#define INTEL_FAM6_ICELAKE 0x7D /* Sunny Cove */
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#define INTEL_FAM6_ICELAKE_L 0x7E /* Sunny Cove */
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#define INTEL_FAM6_ICELAKE_NNPI 0x9D /* Sunny Cove */
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2020-07-21 04:37:49 +00:00
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2021-03-15 16:12:53 +00:00
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#define INTEL_FAM6_LAKEFIELD 0x8A /* Sunny Cove / Tremont */
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2020-06-03 17:33:52 +00:00
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2021-03-15 16:12:53 +00:00
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#define INTEL_FAM6_ROCKETLAKE 0xA7 /* Cypress Cove */
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2020-07-21 04:37:49 +00:00
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2021-03-15 16:12:53 +00:00
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#define INTEL_FAM6_TIGERLAKE_L 0x8C /* Willow Cove */
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#define INTEL_FAM6_TIGERLAKE 0x8D /* Willow Cove */
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2021-05-13 16:39:04 +00:00
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#define INTEL_FAM6_SAPPHIRERAPIDS_X 0x8F /* Golden Cove */
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2021-03-15 16:12:53 +00:00
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#define INTEL_FAM6_ALDERLAKE 0x97 /* Golden Cove / Gracemont */
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#define INTEL_FAM6_ALDERLAKE_L 0x9A /* Golden Cove / Gracemont */
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2020-07-21 04:37:49 +00:00
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2016-06-03 00:19:27 +00:00
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/* "Small Core" Processors (Atom) */
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2018-08-07 17:17:27 +00:00
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#define INTEL_FAM6_ATOM_BONNELL 0x1C /* Diamondville, Pineview */
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#define INTEL_FAM6_ATOM_BONNELL_MID 0x26 /* Silverthorne, Lincroft */
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#define INTEL_FAM6_ATOM_SALTWELL 0x36 /* Cedarview */
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#define INTEL_FAM6_ATOM_SALTWELL_MID 0x27 /* Penwell */
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#define INTEL_FAM6_ATOM_SALTWELL_TABLET 0x35 /* Cloverview */
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#define INTEL_FAM6_ATOM_SILVERMONT 0x37 /* Bay Trail, Valleyview */
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2019-08-27 19:48:24 +00:00
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#define INTEL_FAM6_ATOM_SILVERMONT_D 0x4D /* Avaton, Rangely */
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2018-08-07 17:17:27 +00:00
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#define INTEL_FAM6_ATOM_SILVERMONT_MID 0x4A /* Merriefield */
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#define INTEL_FAM6_ATOM_AIRMONT 0x4C /* Cherry Trail, Braswell */
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#define INTEL_FAM6_ATOM_AIRMONT_MID 0x5A /* Moorefield */
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2019-09-05 19:30:19 +00:00
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#define INTEL_FAM6_ATOM_AIRMONT_NP 0x75 /* Lightning Mountain */
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2018-08-07 17:17:27 +00:00
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#define INTEL_FAM6_ATOM_GOLDMONT 0x5C /* Apollo Lake */
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2019-08-27 19:48:24 +00:00
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#define INTEL_FAM6_ATOM_GOLDMONT_D 0x5F /* Denverton */
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2019-08-27 19:48:25 +00:00
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/* Note: the micro-architecture is "Goldmont Plus" */
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2018-08-07 17:17:27 +00:00
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#define INTEL_FAM6_ATOM_GOLDMONT_PLUS 0x7A /* Gemini Lake */
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2019-06-17 11:55:37 +00:00
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2019-08-27 19:48:24 +00:00
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#define INTEL_FAM6_ATOM_TREMONT_D 0x86 /* Jacobsville */
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2019-09-05 19:30:18 +00:00
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#define INTEL_FAM6_ATOM_TREMONT 0x96 /* Elkhart Lake */
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2019-12-16 08:33:44 +00:00
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#define INTEL_FAM6_ATOM_TREMONT_L 0x9C /* Jasper Lake */
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2016-06-03 00:19:27 +00:00
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/* Xeon Phi */
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#define INTEL_FAM6_XEON_PHI_KNL 0x57 /* Knights Landing */
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2016-10-12 18:05:20 +00:00
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#define INTEL_FAM6_XEON_PHI_KNM 0x85 /* Knights Mill */
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2016-06-03 00:19:27 +00:00
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2020-03-20 13:13:47 +00:00
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/* Family 5 */
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#define INTEL_FAM5_QUARK_X1000 0x09 /* Quark X1000 SoC */
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2016-06-03 00:19:27 +00:00
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#endif /* _ASM_X86_INTEL_FAMILY_H */
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