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authorIngo Molnar <mingo@elte.hu>2009-03-28 23:24:12 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-28 23:24:12 +0100
commitd00ab2fdd4dc4361c97777bc1fef7234329d4659 (patch)
treeb8d8f98c1af633bbc1570b4270b39727737beebf /arch/x86/include/asm/uv/uv.h
parentfutex: remove the pointer math from double_unlock_hb, fix (diff)
parentMerge branch 'percpu-cpumask-x86-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip (diff)
downloadlinux-dev-d00ab2fdd4dc4361c97777bc1fef7234329d4659.tar.xz
linux-dev-d00ab2fdd4dc4361c97777bc1fef7234329d4659.zip
Merge branch 'linus' into core/futexes
Diffstat (limited to 'arch/x86/include/asm/uv/uv.h')
-rw-r--r--arch/x86/include/asm/uv/uv.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h
new file mode 100644
index 000000000000..c0a01b5d985b
--- /dev/null
+++ b/arch/x86/include/asm/uv/uv.h
@@ -0,0 +1,33 @@
+#ifndef _ASM_X86_UV_UV_H
+#define _ASM_X86_UV_UV_H
+
+enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
+
+struct cpumask;
+struct mm_struct;
+
+#ifdef CONFIG_X86_UV
+
+extern enum uv_system_type get_uv_system_type(void);
+extern int is_uv_system(void);
+extern void uv_cpu_init(void);
+extern void uv_system_init(void);
+extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
+ struct mm_struct *mm,
+ unsigned long va,
+ unsigned int cpu);
+
+#else /* X86_UV */
+
+static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; }
+static inline int is_uv_system(void) { return 0; }
+static inline void uv_cpu_init(void) { }
+static inline void uv_system_init(void) { }
+static inline const struct cpumask *
+uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm,
+ unsigned long va, unsigned int cpu)
+{ return cpumask; }
+
+#endif /* X86_UV */
+
+#endif /* _ASM_X86_UV_UV_H */