On Thu, 19 Jul 2007 17:18:59 +0200 Zoltan Menyhart <[EMAIL PROTECTED]> wrote:
> KAMEZAWA Hiroyuki wrote: > > > Hmm...but the current code flushes the page. just do it in "lazy" way. > > much difference ? > > I agree the current code flushes the I-cache for all kinds of file > systems (for PTEs with the exec bit on). > > The error is that it does it after the PTE is written. > > In addition, I wanted to optimize it to gain a few %. I'm glad, too if we can do it. But it seems that we need a bit clever way to do that. > Apparently this idea is not much welcome. > > I can agree that flushing the I-cache (if the architecture requires it) > before setting the PTE eliminates the error. > Hm, I'll refresh and repost the patch. Thanks, -Kame - 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/
