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| author |   Jeremy Fitzhardinge <jeremy@goop.org> | 2008-07-08 15:07:02 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-07-16 11:03:01 +0200 |
| commit | 88459d4c7eb68c4a15609e00e5d100e2a305f040 (patch) | |
| tree | 71514d9bffc9854440e848d4f455713d0a4619da /include/asm-x86/xen | |
| parent | xen64: add pvop for swapgs (diff) | |
| download | linux-dev-88459d4c7eb68c4a15609e00e5d100e2a305f040.tar.xz linux-dev-88459d4c7eb68c4a15609e00e5d100e2a305f040.zip | |
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 <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/xen')
| -rw-r--r-- | include/asm-x86/xen/hypercall.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-x86/xen/hypercall.h b/include/asm-x86/xen/hypercall.h index d0c5dedcb001..25366641f3f8 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) |