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authorIngo Molnar <mingo@elte.hu>2008-07-26 16:29:23 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-26 16:29:23 +0200
commit6dec3a10a7a6093af10cef7ac56021150afd6451 (patch)
treef4d8511f023e3e0c203baf889d4a0f3925882381 /include/asm-x86/smp.h
parentMerge branch 'x86/header-guards' into x86/core (diff)
parentMerge branch 'linus' into x86/x2apic (diff)
downloadlinux-6dec3a10a7a6093af10cef7ac56021150afd6451.tar.xz
linux-6dec3a10a7a6093af10cef7ac56021150afd6451.zip
Merge branch 'x86/x2apic' into x86/core
Conflicts: include/asm-x86/i8259.h include/asm-x86/msidef.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/smp.h')
-rw-r--r--include/asm-x86/smp.h17
1 files changed, 10 insertions, 7 deletions
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index cd3c5f03fcaf..88b075c6fe8f 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -165,30 +165,33 @@ extern int safe_smp_processor_id(void);
#ifdef CONFIG_X86_LOCAL_APIC
+#ifndef CONFIG_X86_64
static inline int logical_smp_processor_id(void)
{
/* we don't want to mark this access volatile - bad code generation */
return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR));
}
-#ifndef CONFIG_X86_64
+#include <mach_apicdef.h>
static inline unsigned int read_apic_id(void)
{
- return *(u32 *)(APIC_BASE + APIC_ID);
+ unsigned int reg;
+
+ reg = *(u32 *)(APIC_BASE + APIC_ID);
+
+ return GET_APIC_ID(reg);
}
-#else
-extern unsigned int read_apic_id(void);
#endif
-# ifdef APIC_DEFINITION
+# if defined(APIC_DEFINITION) || defined(CONFIG_X86_64)
extern int hard_smp_processor_id(void);
# else
-# include <mach_apicdef.h>
+#include <mach_apicdef.h>
static inline int hard_smp_processor_id(void)
{
/* we don't want to mark this access volatile - bad code generation */
- return GET_APIC_ID(read_apic_id());
+ return read_apic_id();
}
# endif /* APIC_DEFINITION */