remove x86_cpu_to_log_apicid From: Mike Travis Remove the x86_cpu_to_log_apicid array. It is set in arch/x86_64/kernel/genapic_flat.c:flat_init_apic_ldr() and arch/x86_64/kernel/smpboot.c:do_boot_cpu() but it is never referenced. Signed-off-by: Mike Travis Signed-off-by: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Andi Kleen --- arch/x86_64/kernel/genapic.c | 2 -- arch/x86_64/kernel/genapic_flat.c | 1 - arch/x86_64/kernel/smpboot.c | 1 - include/asm-x86_64/smp.h | 1 - 4 files changed, 5 deletions(-) Index: linux/arch/x86_64/kernel/genapic.c =================================================================== --- linux.orig/arch/x86_64/kernel/genapic.c +++ linux/arch/x86_64/kernel/genapic.c @@ -29,8 +29,6 @@ u8 x86_cpu_to_apicid[NR_CPUS] __read_mos = { [0 ... NR_CPUS-1] = BAD_APICID }; EXPORT_SYMBOL(x86_cpu_to_apicid); -u8 x86_cpu_to_log_apicid[NR_CPUS] = { [0 ... NR_CPUS-1] = BAD_APICID }; - struct genapic __read_mostly *genapic = &apic_flat; /* Index: linux/arch/x86_64/kernel/genapic_flat.c =================================================================== --- linux.orig/arch/x86_64/kernel/genapic_flat.c +++ linux/arch/x86_64/kernel/genapic_flat.c @@ -52,7 +52,6 @@ static void flat_init_apic_ldr(void) num = smp_processor_id(); id = 1UL << num; - x86_cpu_to_log_apicid[num] = id; apic_write(APIC_DFR, APIC_DFR_FLAT); val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; val |= SET_APIC_LOGICAL_ID(id); Index: linux/arch/x86_64/kernel/smpboot.c =================================================================== --- linux.orig/arch/x86_64/kernel/smpboot.c +++ linux/arch/x86_64/kernel/smpboot.c @@ -702,7 +702,6 @@ do_rest: cpu_clear(cpu, cpu_present_map); cpu_clear(cpu, cpu_possible_map); x86_cpu_to_apicid[cpu] = BAD_APICID; - x86_cpu_to_log_apicid[cpu] = BAD_APICID; return -EIO; } Index: linux/include/asm-x86_64/smp.h =================================================================== --- linux.orig/include/asm-x86_64/smp.h +++ linux/include/asm-x86_64/smp.h @@ -78,7 +78,6 @@ static inline int hard_smp_processor_id( * the real APIC ID <-> CPU # mapping. */ extern u8 x86_cpu_to_apicid[NR_CPUS]; /* physical ID */ -extern u8 x86_cpu_to_log_apicid[NR_CPUS]; extern u8 bios_cpu_apicid[]; static inline int cpu_present_to_apicid(int mps_cpu)