On Sat, Jul 14, 2012 at 6:41 AM, Pekka Enberg <[email protected]> wrote: >> Move PSE and PGE bit twiddling from init_memory_mapping() to a new >> setup_paging() function to simplify the former function. The >> init_memory_mapping() function is called later in the boot process by >> gart_iommu_init(), efi_ioremap(), and arch_add_memory() which have no >> business whatsover updating the CR4 register.
On Sat, Jul 14, 2012 at 11:47 PM, Yinghai Lu <[email protected]> wrote: > I have one local patch that will only set that one time too. also do > other page size probe one time. > > please check attached one. Your patch still keeps the same sort of code flow. That is, init_memory_mapping() does all sorts of things upon first call. I personally prefer the more explicit approach in this patch. In fact, you could do the page_size_mask setup in the setup_paging() function. Pekka -- 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/

