bitkeeper revision 1.1726.1.3 (42b9a279xCcev3J_vAFv3hHoqI8lVw)
authorkaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk>
Wed, 22 Jun 2005 17:40:09 +0000 (17:40 +0000)
committerkaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk>
Wed, 22 Jun 2005 17:40:09 +0000 (17:40 +0000)
commit8db6546ae81567da5cc967e1100b931d6e33a7fb
treefdf09e1784649975eefa276cfd27a23a0c98a53a
parentf53c8860229c31c0b544dc37df6a88ffa17cff71
bitkeeper revision 1.1726.1.3 (42b9a279xCcev3J_vAFv3hHoqI8lVw)

Add cmpxchg8b support for writable page tables
(emulation code path), which is needed to make atomic pae l1
page table updates work.
Signed-off-by: Scott Parish <srparish@us.ibm.com>
xen/arch/x86/mm.c