![]() | ||||||||||
Messages in this thread |
Andi Kleen <ak@suse.de> wrote: > At least Linus' traditional argument against this is that it's better > to open code these (do_div) so that it's clear to the coder that they > are really costly. do_div() is not a full replacement for __udivdi3(), __umoddi3() or __udivmoddi4(), though I suspect we don't need divisor >= 2^32 anywhere atm. There are places where the compiler emits these that aren't entirely obvious, one of which IIRC is in ext2 inode allocation. David - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
| Last update: 2006-08-15 08:33 [from the cache] ©2003-2008 | ||||||||||