On Mon, Dec 17, 2012 at 3:11 PM, H. Peter Anvin <h...@zytor.com> wrote: > On 12/17/2012 02:47 PM, Yinghai Lu wrote: >> >> >> Peter, can you check that branch again? >> >> I moved the early_trap_init after init_mem_mapping. >> so for 64bit native, init_mem_mapping will setup page table for ram from >> blank. >> > > Looks better, at first glance at least. There are a couple of unnecessary > changes (the counter in head_64.S cannot exceed 32 bits once computed, so > the change from %rcx to %ecx change is pointless.)
ok, return to use %ecx > > There is another bug in my patch: it either needs to mask off the NX bit if > we are running on non-NX-enabled hardware, or it needs to not set the NX bit > (which is mostly okay that early on, I suspect.) i test that in kvm guest, and westmere, current version seem ok. will repost the patchset to list to get more review. : -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
