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Diffstat (limited to 'arch/x86/kernel/tlb_uv.c')
-rw-r--r--arch/x86/kernel/tlb_uv.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c
index d038b9c45cf..deb5ebb32c3 100644
--- a/arch/x86/kernel/tlb_uv.c
+++ b/arch/x86/kernel/tlb_uv.c
@@ -275,6 +275,8 @@ const struct cpumask *uv_flush_send_and_wait(int cpu, int this_blade,
return NULL;
}
+static DEFINE_PER_CPU(cpumask_var_t, uv_flush_tlb_mask);
+
/**
* uv_flush_tlb_others - globally purge translation cache of a virtual
* address or all TLB's
@@ -304,8 +306,7 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
struct mm_struct *mm,
unsigned long va, unsigned int cpu)
{
- static DEFINE_PER_CPU(cpumask_t, flush_tlb_mask);
- struct cpumask *flush_mask = &__get_cpu_var(flush_tlb_mask);
+ struct cpumask *flush_mask = __get_cpu_var(uv_flush_tlb_mask);
int i;
int bit;
int blade;
@@ -750,16 +751,21 @@ static int __init uv_bau_init(void)
int node;
int nblades;
int last_blade;
- int cur_cpu = 0;
+ int cur_cpu;
if (!is_uv_system())
return 0;
+ for_each_possible_cpu(cur_cpu)
+ alloc_cpumask_var_node(&per_cpu(uv_flush_tlb_mask, cur_cpu),
+ GFP_KERNEL, cpu_to_node(cur_cpu));
+
uv_bau_retry_limit = 1;
uv_nshift = uv_hub_info->n_val;
uv_mmask = (1UL << uv_hub_info->n_val) - 1;
nblades = 0;
last_blade = -1;
+ cur_cpu = 0;
for_each_online_node(node) {
blade = uv_node_to_blade_id(node);
if (blade == last_blade)