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authorGlauber Costa <gcosta@redhat.com>2008-03-27 14:05:57 -0300
committerIngo Molnar <mingo@elte.hu>2008-04-17 17:41:32 +0200
commit2ba95bcbe68d692f549fb10809f15681a25ff6fb (patch)
treee9d10de6620fff0bd3a2dd8477cc8c1afb840d45
parentfe874b3edff43f9a74d9903eb3710e5e0511faf1 (diff)
downloadblackbird-op-linux-2ba95bcbe68d692f549fb10809f15681a25ff6fb.tar.gz
blackbird-op-linux-2ba95bcbe68d692f549fb10809f15681a25ff6fb.zip
x86: provide bogus hard_smp_processor_id
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>
-rw-r--r--include/asm-x86/smp_64.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-x86/smp_64.h b/include/asm-x86/smp_64.h
index 25206333476b..c46585e09ea1 100644
--- a/include/asm-x86/smp_64.h
+++ b/include/asm-x86/smp_64.h
@@ -46,6 +46,8 @@ static inline int num_booting_cpus(void)
#define safe_smp_processor_id() smp_processor_id()
+#ifdef CONFIG_X86_LOCAL_APIC
+
static inline int logical_smp_processor_id(void)
{
/* 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 */
+#else /* CONFIG_X86_LOCAL_APIC */
+
+# ifndef CONFIG_SMP
+# define hard_smp_processor_id() 0
+# endif
+
+#endif /* CONFIG_X86_LOCAL_APIC */
+
#endif
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