Jan Beulich
2010-Apr-21 07:04 UTC
RE: [Xen-devel] Re: [Xen-users] rebased openSUSE Xen dom0 Patches
>>> "Simon Graham" 04/20/10 6:08 PM >>> >We now think we''ve found the problem which seems to be due to the >following two calls in Linux within mark_rodata_ro(): > >free_init_pages("unused kernel memory", >(unsigned long) >page_address(virt_to_page(text_end)), >(unsigned long) >page_address(virt_to_page(rodata_start))); >free_init_pages("unused kernel memory", >(unsigned long) >page_address(virt_to_page(rodata_end)), >(unsigned long) >page_address(virt_to_page(data_start)));This code is not present in 2.6.32.11, so your kernel source tree must have extra patches requiring proper Xen equivalents. In particular, our tree''s version of that change has its Xen counterpart avoid the (pointless and perhaps wasteful) aligning to 2Mb boundaries in arch/x86/kernel/vmlinux.lds, thus yielding those two calls to free_init_pages() to be no-ops. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel