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zstd/contrib/linux-kernel
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Nick Terrell 358a237484 [api][visibility] Make the visibility macros more consistent 
1. Follow the scheme introduced in PR #2501 for both `zdict.h` and `zstd_errors.h`.
2. If the `*_VISIBLE` macro isn't set, but the `*_VISIBILITY` macro is, use that.
   Also make this change for `zstd.h`, since we probably shouldn't have changed
   that macro name without backward compatibility in the first place.
3. Change all references to `*_VISIBILITY` to `*_VISIBLE`.

Fixes #3359.
2022-12-16 12:54:45 -08:00
..
test
Merge branch 'dev' into http-to-https
2022-12-15 10:46:13 -05:00
.gitignore
fix gitignore
2017-04-04 18:15:21 -07:00
btrfs-benchmark.sh
Add BtrFS benchmarks
2017-04-11 12:40:53 -07:00
btrfs-extract-benchmark.sh
[linux] Write all the patch summaries
2017-06-21 20:23:44 -07:00
decompress_sources.h
[asm] Share portability macros and restrict ASM further
2021-12-02 16:58:04 -08:00
linux_zstd.h
[contrib][linux] Fix up SPDX license identifiers
2021-09-22 15:09:42 -07:00
linux.mk
[contrib][linux] Disable ASM in the kernel
2022-10-21 17:14:31 -07:00
Makefile
[api][visibility] Make the visibility macros more consistent
2022-12-16 12:54:45 -08:00
mem.h
Add typedefs for 8bit (un)signed
2021-12-14 23:47:57 +01:00
README.md
[linux-kernel] Update README with initial instructions on how to update zstd in the kernel
2020-09-09 14:36:22 -07:00
squashfs-benchmark.sh
[kernel] Update README with SquashFS patch
2017-05-03 11:07:39 -07:00
zstd_common_module.c
[contrib][linux] Add zstd_common module
2022-10-21 17:14:31 -07:00
zstd_compress_module.c
[contrib][linux] Make zstd_reset_cstream() functionally identical to ZSTD_resetCStream()
2022-03-10 15:32:13 +08:00
zstd_decompress_module.c
[contrib][linux] Fix up SPDX license identifiers
2021-09-22 15:09:42 -07:00
zstd_deps.h
[contrib][linux] Fix up SPDX license identifiers
2021-09-22 15:09:42 -07:00

README.md

Zstd in the Linux Kernel

This directory contains the scripts needed to transform upstream zstd into the version imported into the kernel. All the transforms are automated and tested by our continuous integration.

Upgrading Zstd in the Linux Kernel

  1. cd into this directory.
  2. Run make libzstd and read the output. Make sure that all the diffs printed and changes made by the script are correct.
  3. Run make test and ensure that it passes.
  4. Import zstd into the Linux Kernel make import LINUX=/path/to/linux/repo
  5. Inspect the diff for sanity.
  6. Check the Linux Kernel history for zstd. If any patches were made to the kernel version of zstd, but not to upstream zstd, then port them upstream if necessary.
  7. Test the diff. Benchmark if necessary. Make sure to test multiple architectures: At least x86, i386, and arm.
  8. Submit the patch to the LKML.