diff options
| -rw-r--r-- | translate-all.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/translate-all.c b/translate-all.c index 37bb56ca42..5329982518 100644 --- a/translate-all.c +++ b/translate-all.c @@ -431,26 +431,26 @@ static PageDesc *page_find_alloc(tb_page_addr_t index, int alloc) /* Level 2..N-1. */ for (i = V_L1_SHIFT / V_L2_BITS - 1; i > 0; i--) { - void **p = *lp; + void **p = atomic_rcu_read(lp); if (p == NULL) { if (!alloc) { return NULL; } p = g_new0(void *, V_L2_SIZE); - *lp = p; + atomic_rcu_set(lp, p); } lp = p + ((index >> (i * V_L2_BITS)) & (V_L2_SIZE - 1)); } - pd = *lp; + pd = atomic_rcu_read(lp); if (pd == NULL) { if (!alloc) { return NULL; } pd = g_new0(PageDesc, V_L2_SIZE); - *lp = pd; + atomic_rcu_set(lp, pd); } return pd + (index & (V_L2_SIZE - 1)); |