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| author | Matthew Wilcox <willy@infradead.org> | 2017-02-13 20:16:02 +0100 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2017-02-15 23:09:13 +0100 |
| commit | 291b9d73681f3e0123b8954eb20be22342987afc (patch) | |
| tree | 1255cdae42b76025eb10c237e9c5b3774f731732 /Documentation/dev-tools | |
| parent | Documentation: make Makefile.sphinx no-ops quieter (diff) | |
| download | linux-291b9d73681f3e0123b8954eb20be22342987afc.tar.xz linux-291b9d73681f3e0123b8954eb20be22342987afc.zip | |
Improve sparse documentation
Add documentation of -DCONFIG_SPARSE_RCU_POINTER.
I started to add documentation of -D__CHECK_ENDIAN__ as well, but
discovered I'm too late; that's now enabled by default.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/dev-tools')
| -rw-r--r-- | Documentation/dev-tools/sparse.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/dev-tools/sparse.rst b/Documentation/dev-tools/sparse.rst index 78aa00a604a0..ffdcc97f6f5a 100644 --- a/Documentation/dev-tools/sparse.rst +++ b/Documentation/dev-tools/sparse.rst @@ -103,3 +103,9 @@ have already built it. The optional make variable CF can be used to pass arguments to sparse. The build system passes -Wbitwise to sparse automatically. + +Checking RCU annotations +~~~~~~~~~~~~~~~~~~~~~~~~ + +RCU annotations are not checked by default. To enable RCU annotation +checks, include -DCONFIG_SPARSE_RCU_POINTER in your CF flags. |