(resending as plain text) On Fri, Feb 13, 2009 at 8:13 PM, Joe Eykholt <jeykholt@xxxxxxxxx> wrote: > The kernel infrastructure should fix that without requiring the driver to change. > Drivers ought to be allowed to divide. > > I've also seen this in another driver that divided a u64 by a constant. > I noticed that linux/math64.h provides div_u64(), but it seems awkward to call > that when the compiler generates a call to __udivdi3 (apparently). > > Can't we just provide __udivdi3, since gcc generates that call? > Otherwise, problems like this will continue to crop up. A complete list of integer functions to which gcc generates calls can be found here: http://gcc.gnu.org/onlinedocs/gcc-4.3.3/gccint/Integer-library-routines.html Some links to past discussions about this subject: * http://lkml.org/lkml/2003/7/2/5 * http://lkml.org/lkml/2004/9/23/376 Bart. -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
