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authorJeremy Fitzhardinge <jeremy@goop.org>2008-05-31 01:33:04 +0100
committerIngo Molnar <mingo@elte.hu>2008-06-02 13:25:51 +0200
commit7e0edc1bc343231029084761ebf59e522902eb49 (patch)
treecf5fa89641b80b2775616e2224c39b7cae37d2f2 /arch/x86
parentd07af1f0e3a3e378074fc36322dd7b0e72d9a3e2 (diff)
xen: add new Xen elfnote types and use them appropriately
Define recently added XEN_ELFNOTEs, and use them appropriately. Most significantly, this enables domain checkpointing (xm save -c). Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/xen/xen-head.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index 2ab5f42f34d..ef6c9e005f9 100644
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -7,6 +7,7 @@
#include <linux/init.h>
#include <asm/boot.h>
#include <xen/interface/elfnote.h>
+#include <asm/xen/interface.h>
__INIT
ENTRY(startup_xen)
@@ -32,5 +33,9 @@ ENTRY(hypercall_page)
ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb")
ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes")
ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic")
+ ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID,
+ .quad _PAGE_PRESENT; .quad _PAGE_PRESENT)
+ ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1)
+ ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, .long __HYPERVISOR_VIRT_START)
#endif /*CONFIG_XEN */