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authorIngo Molnar <mingo@elte.hu>2009-01-28 07:31:22 -0500
committerIngo Molnar <mingo@elte.hu>2009-01-28 17:20:26 -0500
commitd4c9a9f3d416cfa1f5ffbe09d864d069467fe693 (patch)
tree647f78d7d845734fdab95c8a05a20b0a80015709 /arch/x86/include/asm/summit/apic.h
parentb0b20e5a3a6615ae750804523aeedd32911bb9d6 (diff)
x86, apic: unify phys_pkg_id()
- unify the call signature of 64-bit to that of 32-bit - clean up the types all around - clean up namespace contamination Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/summit/apic.h')
-rw-r--r--arch/x86/include/asm/summit/apic.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/include/asm/summit/apic.h b/arch/x86/include/asm/summit/apic.h
index 526d19e79447..64cd441ae006 100644
--- a/arch/x86/include/asm/summit/apic.h
+++ b/arch/x86/include/asm/summit/apic.h
@@ -175,13 +175,14 @@ static inline unsigned int cpu_mask_to_apicid_and(const struct cpumask *inmask,
175 return apicid; 175 return apicid;
176} 176}
177 177
178/* cpuid returns the value latched in the HW at reset, not the APIC ID 178/*
179 * cpuid returns the value latched in the HW at reset, not the APIC ID
179 * register's value. For any box whose BIOS changes APIC IDs, like 180 * register's value. For any box whose BIOS changes APIC IDs, like
180 * clustered APIC systems, we must use hard_smp_processor_id. 181 * clustered APIC systems, we must use hard_smp_processor_id.
181 * 182 *
182 * See Intel's IA-32 SW Dev's Manual Vol2 under CPUID. 183 * See Intel's IA-32 SW Dev's Manual Vol2 under CPUID.
183 */ 184 */
184static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) 185static inline int phys_pkg_id(int cpuid_apic, int index_msb)
185{ 186{
186 return hard_smp_processor_id() >> index_msb; 187 return hard_smp_processor_id() >> index_msb;
187} 188}