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Commit 20375bf8 authored by Sam Ravnborg's avatar Sam Ravnborg
Browse files

Documentation: explain the difference between __bitwise and __bitwise__ 

Simply added explanation from Al Viro in the following mail:
http://lkml.indiana.edu/hypermail/linux/kernel/0802.2/3164.html



Cc: Al Viro <viro@ftp.linux.org.uk>
Cc:  Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent 5d7d18f5

Documentation/sparse.txt

+8 −0
Original line number Diff line number Diff line
@@ -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

~~~~~~~~~~~~~~