diff options
| author | alc <alc@FreeBSD.org> | 2004-07-31 06:42:05 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2004-07-31 06:42:05 +0000 |
| commit | add997e1ff5d16931a09517184d3a2c6f41ea0fc (patch) | |
| tree | 904f6cc912edb97ed2cf9b26ef416384b6a389c7 /sys/amd64 | |
| parent | 3a9d887f934cc0de3b4bff024c9458e15f120b02 (diff) | |
| download | FreeBSD-src-add997e1ff5d16931a09517184d3a2c6f41ea0fc.zip FreeBSD-src-add997e1ff5d16931a09517184d3a2c6f41ea0fc.tar.gz | |
Add pmap locking to pmap_object_init_pt().
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/amd64/pmap.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index e9e67eb..b8c6a9d 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -2158,9 +2158,11 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr, int npdes; pd_entry_t ptepa, *pde; + PMAP_LOCK(pmap); pde = pmap_pde(pmap, addr); if (pde != 0 && (*pde & PG_V) != 0) - return; + goto out; + PMAP_UNLOCK(pmap); retry: p = vm_page_lookup(object, pindex); if (p != NULL) { @@ -2192,6 +2194,7 @@ retry: p->valid = VM_PAGE_BITS_ALL; + PMAP_LOCK(pmap); pmap->pm_stats.resident_count += size >> PAGE_SHIFT; npdes = size >> PDRSHIFT; for(i = 0; i < npdes; i++) { @@ -2200,6 +2203,8 @@ retry: pde++; } pmap_invalidate_all(pmap); +out: + PMAP_UNLOCK(pmap); } } |
