![]() | |||||||||||||
Messages in this thread |
On Mon, 2005-09-26 at 12:52 -0700, David S. Miller wrote: > So this is a ton of complication, which is straightforwardly done in > the TLB miss handler. And if you think about it, since we've been > writing the PTE entries and walking the page tables for fault > processing, all of this will be hot in the L2 cache when we take > the nearly immediate TLB miss. > > Anyways, I'm very likely going to remove the prefilling of TLB entries > on sparc64. I hope it's more beneficial and less complicated for ppc64 > :-) Ok, makes sense. On most ppc, things aren't pretty much equivalent on real faults and pre-fill (except for masking interrupts which we have to add to the pre-fill case). Anyway, best is to get real numbers with some benchmarks, I'll see if I can get something from the 4xx folks. Ben. - 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: 2005-09-26 21:31 [from the cache] ©2003-2008 | |||||||||||||