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| author | kfraser@localhost.localdomain <kfraser@localhost.localdomain> | 2007-06-18 16:48:05 +0100 |
|---|---|---|
| committer | kfraser@localhost.localdomain <kfraser@localhost.localdomain> | 2007-06-18 16:48:05 +0100 |
| commit | bd0ad700716a3108149dfc7d898bc5adbe6e1a32 (patch) | |
| tree | 8d121f79a27c30152ed9e027f31e694f8182b3c5 /xen/arch/x86/boot/x86_64.S | |
| parent | 470566b3500ca682c844fdb1c1910c096c887997 (diff) | |
| download | xen-bd0ad700716a3108149dfc7d898bc5adbe6e1a32.tar.gz xen-bd0ad700716a3108149dfc7d898bc5adbe6e1a32.tar.bz2 xen-bd0ad700716a3108149dfc7d898bc5adbe6e1a32.zip | |
x86/64: Avoid bogus mbi pointer into relocated Xen address space.
Prevent similar bugs in future by poisoning the relocated bottom
megabyte.
Signed-off-by: Keir Fraser <keir@xensource.com>
Diffstat (limited to 'xen/arch/x86/boot/x86_64.S')
| -rw-r--r-- | xen/arch/x86/boot/x86_64.S | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/xen/arch/x86/boot/x86_64.S b/xen/arch/x86/boot/x86_64.S index c4f368420d..d3c11b8788 100644 --- a/xen/arch/x86/boot/x86_64.S +++ b/xen/arch/x86/boot/x86_64.S @@ -51,8 +51,6 @@ /* Pass off the Multiboot info structure to C land. */ mov multiboot_ptr(%rip),%edi - lea start-0x100000(%rip),%rax - add %rax,%rdi call __start_xen ud2 /* Force a panic (invalid opcode). */ |