From 88459d4c7eb68c4a15609e00e5d100e2a305f040 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Tue, 8 Jul 2008 15:07:02 -0700 Subject: xen64: register callbacks in arch-independent way Use callback_op hypercall to register callbacks in a 32/64-bit independent way (64-bit doesn't need a code segment, but that detail is hidden in XEN_CALLBACK). Signed-off-by: Jeremy Fitzhardinge Cc: Stephen Tweedie Cc: Eduardo Habkost Cc: Mark McLoughlin Signed-off-by: Ingo Molnar --- include/asm-x86/xen/hypercall.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/asm-x86') diff --git a/include/asm-x86/xen/hypercall.h b/include/asm-x86/xen/hypercall.h index d0c5dedcb00..25366641f3f 100644 --- a/include/asm-x86/xen/hypercall.h +++ b/include/asm-x86/xen/hypercall.h @@ -226,6 +226,7 @@ HYPERVISOR_stack_switch(unsigned long ss, unsigned long esp) return _hypercall2(int, stack_switch, ss, esp); } +#ifdef CONFIG_X86_32 static inline int HYPERVISOR_set_callbacks(unsigned long event_selector, unsigned long event_address, @@ -236,6 +237,17 @@ HYPERVISOR_set_callbacks(unsigned long event_selector, event_selector, event_address, failsafe_selector, failsafe_address); } +#else /* CONFIG_X86_64 */ +static inline int +HYPERVISOR_set_callbacks(unsigned long event_address, + unsigned long failsafe_address, + unsigned long syscall_address) +{ + return _hypercall3(int, set_callbacks, + event_address, failsafe_address, + syscall_address); +} +#endif /* CONFIG_X86_{32,64} */ static inline int HYPERVISOR_callback_op(int cmd, void *arg) -- cgit v1.2.3