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authorStefan Agner <stefan.agner@toradex.com>2016-06-29 17:36:47 -0700
committerStefan Agner <stefan.agner@toradex.com>2016-06-29 17:36:47 -0700
commitefe965a5dad66bd14219cdc9474ea75eda783456 (patch)
treec88aa38447747bee19da6e4097334cd4c98b426f /arch/sparc/mm/init_64.c
parent475764ae387355462c874892b03110298038adef (diff)
parent9ca1d50fa959cda1f04f43275f7930a70f1a631e (diff)
Merge tag 'v4.4.14' into toradex_vf_4.4-nextColibri_VF_LinuxImageV2.6Beta2_20160701
This is the 4.4.14 stable release
Diffstat (limited to 'arch/sparc/mm/init_64.c')
-rw-r--r--arch/sparc/mm/init_64.c37
1 files changed, 15 insertions, 22 deletions
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 3025bd57f7ab..3c4b8975fa76 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -324,18 +324,6 @@ static void __update_mmu_tsb_insert(struct mm_struct *mm, unsigned long tsb_inde
tsb_insert(tsb, tag, tte);
}
-#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
-static inline bool is_hugetlb_pte(pte_t pte)
-{
- if ((tlb_type == hypervisor &&
- (pte_val(pte) & _PAGE_SZALL_4V) == _PAGE_SZHUGE_4V) ||
- (tlb_type != hypervisor &&
- (pte_val(pte) & _PAGE_SZALL_4U) == _PAGE_SZHUGE_4U))
- return true;
- return false;
-}
-#endif
-
void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
{
struct mm_struct *mm;
@@ -1267,13 +1255,6 @@ static int __init numa_parse_mdesc(void)
int i, j, err, count;
u64 node;
- /* 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;
- }
-
node = mdesc_node_by_name(md, MDESC_NODE_NULL, "latency-groups");
if (node == MDESC_NODE_NULL) {
mdesc_release(md);
@@ -1369,10 +1350,18 @@ 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();
@@ -2832,9 +2821,10 @@ 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;
@@ -2853,9 +2843,12 @@ 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