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x86: provide bogus hard_smp_processor_id

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We provide a bogus macro for x86_64 in case CONFIG_X86_LOCAL_APIC
is not set. It will always be set for x86_64, so the effect
is just to make the code equal to i386.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Glauber Costa
2008-03-27 14:05:57 -03:00
committed by Ingo Molnar
parent fe874b3edf
commit 2ba95bcbe6
1 changed files with 10 additions and 0 deletions
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10
include/asm-x86/smp_64.h
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@@ -46,6 +46,8 @@ static inline int num_booting_cpus(void)
#define safe_smp_processor_id() smp_processor_id() #define safe_smp_processor_id() smp_processor_id()
#ifdef CONFIG_X86_LOCAL_APIC
static inline int logical_smp_processor_id(void) static inline int logical_smp_processor_id(void)
{ {
/* we don't want to mark this access volatile - bad code generation */ /* we don't want to mark this access volatile - bad code generation */
@@ -63,5 +65,13 @@ static inline int hard_smp_processor_id(void)
} }
# endif /* APIC_DEFINITION */ # endif /* APIC_DEFINITION */
#else /* CONFIG_X86_LOCAL_APIC */
# ifndef CONFIG_SMP
# define hard_smp_processor_id() 0
# endif
#endif /* CONFIG_X86_LOCAL_APIC */
#endif #endif