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Diffstat (limited to 'arch/x86/include/asm/uv/uv.h')
-rw-r--r--arch/x86/include/asm/uv/uv.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h
index a80c0673798f..e60c45fd3679 100644
--- a/arch/x86/include/asm/uv/uv.h
+++ b/arch/x86/include/asm/uv/uv.h
@@ -10,8 +10,13 @@ struct cpumask;
struct mm_struct;
#ifdef CONFIG_X86_UV
+#include <linux/efi.h>
extern enum uv_system_type get_uv_system_type(void);
+static inline bool is_early_uv_system(void)
+{
+ return !((efi.uv_systab == EFI_INVALID_TABLE_ADDR) || !efi.uv_systab);
+}
extern int is_uv_system(void);
extern int is_uv_hubless(void);
extern void uv_cpu_init(void);
@@ -23,6 +28,7 @@ extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
#else /* X86_UV */
static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; }
+static inline bool is_early_uv_system(void) { return 0; }
static inline int is_uv_system(void) { return 0; }
static inline int is_uv_hubless(void) { return 0; }
static inline void uv_cpu_init(void) { }