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Diffstat (limited to 'arch/sparc/mm/init_64.c')
-rw-r--r--arch/sparc/mm/init_64.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index c5d08b89a96c..fc5210093735 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1301,10 +1301,18 @@ static int __init numa_parse_sun4u(void)
static int __init bootmem_init_numa(void)
{
+ int i, j;
int err = -1;
numadbg("bootmem_init_numa()\n");
+ /* Some sane defaults for numa latency values */
+ for (i = 0; i < MAX_NUMNODES; i++) {
+ for (j = 0; j < MAX_NUMNODES; j++)
+ numa_latency[i][j] = (i == j) ?
+ LOCAL_DISTANCE : REMOTE_DISTANCE;
+ }
+
if (numa_enabled) {
if (tlb_type == hypervisor)
err = numa_parse_mdesc();
@@ -2762,9 +2770,10 @@ void hugetlb_setup(struct pt_regs *regs)
* the Data-TLB for huge pages.
*/
if (tlb_type == cheetah_plus) {
+ bool need_context_reload = false;
unsigned long ctx;
- spin_lock(&ctx_alloc_lock);
+ spin_lock_irq(&ctx_alloc_lock);
ctx = mm->context.sparc64_ctx_val;
ctx &= ~CTX_PGSZ_MASK;
ctx |= CTX_PGSZ_BASE << CTX_PGSZ0_SHIFT;
@@ -2783,9 +2792,12 @@ void hugetlb_setup(struct pt_regs *regs)
* also executing in this address space.
*/
mm->context.sparc64_ctx_val = ctx;
- on_each_cpu(context_reload, mm, 0);
+ need_context_reload = true;
}
- spin_unlock(&ctx_alloc_lock);
+ spin_unlock_irq(&ctx_alloc_lock);
+
+ if (need_context_reload)
+ on_each_cpu(context_reload, mm, 0);
}
}
#endif