On Sat, 28 Jul 2007 00:02:23 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote: > On Fri, 27 Jul 2007 16:16:27 +0200 > Zoltan Menyhart <Zoltan.Menyhart@xxxxxxxx> wrote: > > > Do you really need a "sync_icache_dcache()" in "do_wp_page()"? > > I guess it is only needed when the EXEC bit of the PTE gets turned on. > > > Ah, sorry. do_wp_page() without page copy (reuse case) doesn't need sync. > > About page copy case > There was an issue that Java receives SIGILL because lazy_mmu_prot_update() > is called before set_pte(). Then, Only do_wp_page() calls lazy_mmu_prot_update() after.... Sorry.. -Kame > before set_pte(). > - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
![]() |