diff options
author | Will Deacon <will.deacon@arm.com> | 2015-10-06 17:46:28 (GMT) |
---|---|---|
committer | Catalin Marinas <catalin.marinas@arm.com> | 2015-10-07 10:56:29 (GMT) |
commit | 38d96287504a2478eb538bfecfa1fddd743bb6b2 (patch) | |
tree | 1ca9b7b5e2f7097f59c477b4262884bc603c9682 /arch | |
parent | c2775b2ee5caca19f661ee2ab5af92462596db71 (diff) | |
download | linux-38d96287504a2478eb538bfecfa1fddd743bb6b2.tar.xz |
arm64: mm: kill mm_cpumask usage
mm_cpumask isn't actually used for anything on arm64, so remove all the
code trying to keep it up-to-date.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm64/kernel/smp.c | 7 | ||||
-rw-r--r-- | arch/arm64/mm/context.c | 2 |
2 files changed, 0 insertions, 9 deletions
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index fdd4d4d..03b0aa2 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -142,7 +142,6 @@ asmlinkage void secondary_start_kernel(void) */ atomic_inc(&mm->mm_count); current->active_mm = mm; - cpumask_set_cpu(cpu, mm_cpumask(mm)); set_my_cpu_offset(per_cpu_offset(smp_processor_id())); printk("CPU%u: Booted secondary processor\n", cpu); @@ -233,12 +232,6 @@ int __cpu_disable(void) * OK - migrate IRQs away from this CPU */ migrate_irqs(); - - /* - * Remove this CPU from the vm mask set of all processes. - */ - clear_tasks_mm_cpumask(cpu); - return 0; } diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c index 4b9ec44..f636a26 100644 --- a/arch/arm64/mm/context.c +++ b/arch/arm64/mm/context.c @@ -132,7 +132,6 @@ set_asid: bump_gen: asid |= generation; - cpumask_clear(mm_cpumask(mm)); return asid; } @@ -169,7 +168,6 @@ void check_and_switch_context(struct mm_struct *mm, unsigned int cpu) raw_spin_unlock_irqrestore(&cpu_asid_lock, flags); switch_mm_fastpath: - cpumask_set_cpu(cpu, mm_cpumask(mm)); cpu_switch_mm(mm->pgd, mm); } |