diff options
Diffstat (limited to 'sys/sparc64')
| -rw-r--r-- | sys/sparc64/sparc64/pmap.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/sys/sparc64/sparc64/pmap.c b/sys/sparc64/sparc64/pmap.c index 28e33fc..d8b813e 100644 --- a/sys/sparc64/sparc64/pmap.c +++ b/sys/sparc64/sparc64/pmap.c @@ -899,16 +899,19 @@ void pmap_qenter(vm_offset_t sva, vm_page_t *m, int count) { vm_offset_t va; + int locked; PMAP_STATS_INC(pmap_nqenter); va = sva; - vm_page_lock_queues(); + if (!(locked = mtx_owned(&vm_page_queue_mtx))) + vm_page_lock_queues(); while (count-- > 0) { pmap_kenter(va, *m); va += PAGE_SIZE; m++; } - vm_page_unlock_queues(); + if (!locked) + vm_page_unlock_queues(); tlb_range_demap(kernel_pmap, sva, va); } @@ -920,15 +923,18 @@ void pmap_qremove(vm_offset_t sva, int count) { vm_offset_t va; + int locked; PMAP_STATS_INC(pmap_nqremove); va = sva; - vm_page_lock_queues(); + if (!(locked = mtx_owned(&vm_page_queue_mtx))) + vm_page_lock_queues(); while (count-- > 0) { pmap_kremove(va); va += PAGE_SIZE; } - vm_page_unlock_queues(); + if (!locked) + vm_page_unlock_queues(); tlb_range_demap(kernel_pmap, sva, va); } |
