On Wed, 2008-01-09 at 20:05 -0500, Vivek Goyal wrote: > On Wed, Jan 09, 2008 at 10:57:50AM +0800, Huang, Ying wrote: > > This patch transforms the kexec page tables setup code from asseumbler > > code to iC code in machine_kexec_prepare. This improves readability and > > reduces code line number. > > > > I think this will create issues for Xen. Initially page table setup > was in C but Xen Guests could not modify the page tables. I think Xen > folks implemented a hypercall where they passed all the page table pages > and the control pages and then hypervisor executed the control page(which > in turn setup the page tables). I think that's why page table setup > code is on the control page in assembly. > > You might want to go through Xen kexec implementation and dig through > kexec mailing list archive.
OK, I will check the Xen kexec implementation. > CCing Magnus and Horms. They had done the page tables related changes > for Xen. Best Regards, Huang Ying -- 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/