Fwd: [Xen-devel] do_mmu_update

["Furquan Shaikh" <furquan.m.shaikh@xxxxxxxxx>]

Can you please explain a bit more about it? Isnt this the default for the switch case where matches with any of the l1, l2, l3 are not found. what does this default of not_a_pt signify

Thanks,
Furquan

On Tue, Jan 13, 2009 at 5:26 PM, gkkkk kgv <gkcdri@xxxxxxxxx> wrote:

Hello,

       not_a_pt this one will decide that whether before writing to the mmu ,the page type is matching all the conditions or not.

 

Thanks

vijay

 

On Tue, Jan 13, 2009 at 5:20 PM, Furquan Shaikh <furquan.m.shaikh@xxxxxxxxx> wrote:

Hello friends,
Can anyone please tell me what the not_a_pt: label in do_mmu_update used for?

default:
not_a_pt:
                    {
                        if ( unlikely(!get_page_type(page, PGT_writable_page)) )
                                    break;

                        perfc_incr(writable_mmu_updates);
                        okay = paging_write_guest_entry(v, va, req.val, _mfn(mfn));
   
                        put_page_type(page);
                    }
                    break;
               

Regards,
Furquan

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel