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authorJeremy Fitzhardinge <jeremy@goop.org>2008-05-26 23:31:01 +0100
committerThomas Gleixner <tglx@linutronix.de>2008-05-27 10:11:35 +0200
commit7b1333aa4cb546ddeb9c05098a53d9a777623a05 (patch)
tree2ab9949f9f64da6ea9510985c45fa0f047545ec9 /include/asm-x86/xen
parent0922abdc3982ae54cbe1b24ac5aa91a260eca1bb (diff)
xen: use hypercall rather than clts
Xen will trap and emulate clts, but its better to use a hypercall. Also, xenner doesn't handle clts. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/xen')
-rw-r--r--include/asm-x86/xen/hypercall.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-x86/xen/hypercall.h b/include/asm-x86/xen/hypercall.h
index c2ccd997ed3..897ff79cca3 100644
--- a/include/asm-x86/xen/hypercall.h
+++ b/include/asm-x86/xen/hypercall.h
@@ -315,6 +315,13 @@ HYPERVISOR_nmi_op(unsigned long op, unsigned long arg)
}
static inline void
+MULTI_fpu_taskswitch(struct multicall_entry *mcl, int set)
+{
+ mcl->op = __HYPERVISOR_fpu_taskswitch;
+ mcl->args[0] = set;
+}
+
+static inline void
MULTI_update_va_mapping(struct multicall_entry *mcl, unsigned long va,
pte_t new_val, unsigned long flags)
{