Messages in this thread Patch in this message |  | | | Date | Tue, 16 Dec 2008 11:37:28 +0000 | | From | "Jan Beulich" <> | | Subject | [PATCH] x86-64: fix HYPERVISOR_update_descriptor() |
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Signed-off-by: Jan Beulich <jbeulich@novell.com>
--- arch/x86/include/asm/xen/hypercall.h | 2 ++ 1 file changed, 2 insertions(+) --- linux-2.6.28-rc8/arch/x86/include/asm/xen/hypercall.h 2008-12-11 14:45:37.000000000 +0100 +++ 2.6.28-rc8-x86_64-xen-update-descr/arch/x86/include/asm/xen/hypercall.h 2008-12-12 10:25:55.000000000 +0100 @@ -290,6 +290,8 @@ HYPERVISOR_get_debugreg(int reg) static inline int HYPERVISOR_update_descriptor(u64 ma, u64 desc) { + if (sizeof(u64) == sizeof(long)) + return _hypercall2(int, update_descriptor, ma, desc); return _hypercall4(int, update_descriptor, ma, ma>>32, desc, desc>>32); }
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