>>> On 23.02.16 at 17:31, <andrew.coop...@citrix.com> wrote: > --- > xen/arch/x86/boot/head.S | 18 +++++------------- > xen/arch/x86/boot/x86_64.S | 19 +++++++++++++++++++ > xen/arch/x86/x86_64/mm.c | 4 ---- > 3 files changed, 24 insertions(+), 17 deletions(-)
Is this intentionally leaving the EFI equivalent untouched? > --- a/xen/arch/x86/boot/x86_64.S > +++ b/xen/arch/x86/boot/x86_64.S > @@ -184,3 +184,22 @@ GLOBAL(idle_pg_table) > .size idle_pg_table, . - idle_pg_table > > GLOBAL(__page_tables_end) > + > +/* Init pagetables. Enough page directories to map into the bottom 1GB. */ > + .section .init.data, "a", @progbits > + .align PAGE_SIZE, 0 > + > +GLOBAL(l2_bootmap) > + .quad sym_phys(l1_identmap) + __PAGE_HYPERVISOR The relocation needed for this and ... > + idx = 1 > + .rept 7 > + .quad (idx << L2_PAGETABLE_SHIFT) | __PAGE_HYPERVISOR | _PAGE_PSE > + idx = idx + 1 > + .endr > + .fill L2_PAGETABLE_ENTRIES - 8, 8, 0 > + .size l2_bootmap, . - l2_bootmap > + > +GLOBAL(l3_bootmap) > + .quad sym_phys(l2_bootmap) + __PAGE_HYPERVISOR ... this won't get properly adjusted by efi_arch_relocate_image(), due to living outside of [__page_tables_start, __page_tables_end). Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
