diff options
Diffstat (limited to 'arch/x86/mm/fault.c')
| -rw-r--r-- | arch/x86/mm/fault.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index d8ed4006b3d..621afb6343d 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -958,11 +958,12 @@ void vmalloc_sync_all(void) for (address = start; address <= VMALLOC_END; address += PGDIR_SIZE) { if (!test_bit(pgd_index(address), insync)) { const pgd_t *pgd_ref = pgd_offset_k(address); + unsigned long flags; struct page *page; if (pgd_none(*pgd_ref)) continue; - spin_lock(&pgd_lock); + spin_lock_irqsave(&pgd_lock, flags); list_for_each_entry(page, &pgd_list, lru) { pgd_t *pgd; pgd = (pgd_t *)page_address(page) + pgd_index(address); @@ -971,7 +972,7 @@ void vmalloc_sync_all(void) else BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref)); } - spin_unlock(&pgd_lock); + spin_unlock_irqrestore(&pgd_lock, flags); set_bit(pgd_index(address), insync); } if (address == start) |