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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-13 12:20:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-13 12:20:01 -0700 |
| commit | 80a04d3f2f94fb68b5df05e3ac6697130bc3467a (patch) | |
| tree | 792449152961db67e4a2855af4518db55822ff64 /Documentation/sparse.txt | |
| parent | eebb2afb82c4f999e850d198af26ce6969d0f47a (diff) | |
| parent | 2810ae8c73cbfb37891aa99dfbca46ffd40dbc91 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
docbook: make cleandocs
kbuild: fix spurious initramfs rebuild
Documentation: explain the difference between __bitwise and __bitwise__
kbuild: make it possible for the linker to discard local symbols from vmlinux
kbuild: remove pointless strdup() on arguments passed to new_module() in modpost
kbuild: fix a few typos in top-level Makefile
kbuild: introduce destination-y for exported headers
kbuild: use git svn instead of git-svn in setlocalversion
kconfig: fix update-po-config to accect backslash in input
kbuild: fix option processing for -I in headerdep
Diffstat (limited to 'Documentation/sparse.txt')
| -rw-r--r-- | Documentation/sparse.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/sparse.txt b/Documentation/sparse.txt index 42f43fa59f2..34c76a55bc0 100644 --- a/Documentation/sparse.txt +++ b/Documentation/sparse.txt @@ -42,6 +42,14 @@ sure that bitwise types don't get mixed up (little-endian vs big-endian vs cpu-endian vs whatever), and there the constant "0" really _is_ special. +__bitwise__ - to be used for relatively compact stuff (gfp_t, etc.) that +is mostly warning-free and is supposed to stay that way. Warnings will +be generated without __CHECK_ENDIAN__. + +__bitwise - noisy stuff; in particular, __le*/__be* are that. We really +don't want to drown in noise unless we'd explicitly asked for it. + + Getting sparse ~~~~~~~~~~~~~~ |