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x86: make UV support configurable

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Make X86 SGI Ultraviolet support configurable. Saves about 13K of text size
on my modest config.

   text    data     bss     dec     hex filename
6770537 1158680  694356 8623573  8395d5 vmlinux
6757492 1157664  694228 8609384  835e68 vmlinux.nouv

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Nick Piggin
2009-01-20 04:36:04 +01:00
committed by Ingo Molnar
parent 5b221278d6
commit 03b486322e
8 changed files with 22 additions and 8 deletions
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6
arch/x86/include/asm/uv/uv.h
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@@ -3,7 +3,7 @@
enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
#ifdef CONFIG_X86_64
#ifdef CONFIG_X86_UV
extern enum uv_system_type get_uv_system_type(void);
extern int is_uv_system(void);
@@ -15,7 +15,7 @@ extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
unsigned long va,
unsigned int cpu);
#else /* X86_64 */
#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; }
@@ -28,6 +28,6 @@ uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm,
unsigned long va, unsigned int cpu)
{ return cpumask; }
#endif /* X86_64 */
#endif /* X86_UV */
#endif /* _ASM_X86_UV_UV_H */