On Thu, 26 Apr 2007, Andy Whitcroft wrote: > > Gcc 3.3 works just fine on other platforms like i386. This is more likely > > a platform issue. If we disable it then only for <= gcc 3.3 on ppc. If > > problems crop up with other platforms then we can expand on it. > > I was thinking that it would be nasty to have a set of platform > specific, compiler specific ifdefs in here. I was more thinking of just > making this a BUG for all platforms. This does result in slightly later > detection but this is a constant mode only, so any bad use of kmalloc() > would be picked up on first boot in testing always. > > I think that would be sufficient and safe even against the worst > optimiser (none). Plus much less horrible to look at?
The build time detection is quite important for NUMA since structures keep growing. I'd like to keep that. In fact I would really like a build time detection. If a too large kmalloc occurs then the compile should stop at that point and the kernel should not link at all. See my patch @ http://marc.info/?l=linux-kernel&m=117752927203466&w=2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/