tech-kern archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: kernel bitreverse function
On Sun, 3 Apr 2011 19:17:28 +0300
Jukka Ruohonen <jruohonen%iki.fi@localhost> wrote:
> While I have no real opinion for or against, I can certainly imagine
> finding use for a well-defined "bit function" like this also in user
> space.
Sure, I agree. We can still add such functions in <sys/bitops.h> for
userland programs, but for the kernel it makes no sense to use them,
because:
1. They are inline functions, which do not save any space.
2. They cannot easily be replaced by MD instructions.
--
Frank Wille
Home |
Main Index |
Thread Index |
Old Index