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Diffstat (limited to 'arch/x86/include/asm/cpu.h')
-rw-r--r--arch/x86/include/asm/cpu.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index adc6cc86b062..dd17c2da1af5 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -40,4 +40,22 @@ int mwait_usable(const struct cpuinfo_x86 *);
unsigned int x86_family(unsigned int sig);
unsigned int x86_model(unsigned int sig);
unsigned int x86_stepping(unsigned int sig);
+#ifdef CONFIG_CPU_SUP_INTEL
+extern void __init cpu_set_core_cap_bits(struct cpuinfo_x86 *c);
+extern void switch_to_sld(unsigned long tifn);
+extern bool handle_user_split_lock(struct pt_regs *regs, long error_code);
+extern bool handle_guest_split_lock(unsigned long ip);
+#else
+static inline void __init cpu_set_core_cap_bits(struct cpuinfo_x86 *c) {}
+static inline void switch_to_sld(unsigned long tifn) {}
+static inline bool handle_user_split_lock(struct pt_regs *regs, long error_code)
+{
+ return false;
+}
+
+static inline bool handle_guest_split_lock(unsigned long ip)
+{
+ return false;
+}
+#endif
#endif /* _ASM_X86_CPU_H */