diff options
| author | Jack Steiner <steiner@sgi.com> | 2008-03-28 20:12:02 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:41:33 +0200 |
| commit | 05f2d12c3563dea8c81b301f9f3cf7919af23b13 (patch) | |
| tree | d696f29159d311d8d1fde7f6bd1b01261ca713b9 /include/asm-x86/smp.h | |
| parent | x86: replace most VM86 flags with flags from processor-flags.h (diff) | |
| download | linux-05f2d12c3563dea8c81b301f9f3cf7919af23b13.tar.xz linux-05f2d12c3563dea8c81b301f9f3cf7919af23b13.zip | |
x86: change GET_APIC_ID() from an inline function to an out-of-line function
Introduce a function to read the local APIC_ID.
This change is in preparation for additional changes to
the APICID functions that will come in a later patch.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/smp.h')
| -rw-r--r-- | include/asm-x86/smp.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index bcbd25cbd863..c0d693ca4357 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h @@ -174,6 +174,11 @@ static inline int logical_smp_processor_id(void) return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR)); } +static inline unsigned int read_apic_id(void) +{ + return *(u32 *)(APIC_BASE + APIC_ID); +} + # ifdef APIC_DEFINITION extern int hard_smp_processor_id(void); # else @@ -181,7 +186,7 @@ extern int hard_smp_processor_id(void); static inline int hard_smp_processor_id(void) { /* we don't want to mark this access volatile - bad code generation */ - return GET_APIC_ID(*(u32 *)(APIC_BASE + APIC_ID)); + return GET_APIC_ID(read_apic_id()); } # endif /* APIC_DEFINITION */ |