diff options
| author | alc <alc@FreeBSD.org> | 2002-05-05 05:36:28 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2002-05-05 05:36:28 +0000 |
| commit | 7e1b68b6e0ebd9125f75b4f5f6c9367c93f1a0be (patch) | |
| tree | 40648eda8aac1ce5f9efedd9e06b8f44805a45c6 | |
| parent | 4565d6d2ab8be7f6f88d3fdf33c265100474c080 (diff) | |
| download | FreeBSD-src-7e1b68b6e0ebd9125f75b4f5f6c9367c93f1a0be.zip FreeBSD-src-7e1b68b6e0ebd9125f75b4f5f6c9367c93f1a0be.tar.gz | |
o Remove GIANT_REQUIRED from vm_map_lookup() and vm_map_lookup_done().
o Acquire and release Giant around vm_map_lookup()'s call
to vm_object_shadow().
| -rw-r--r-- | sys/vm/vm_map.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index 8a7eebe..b7f99096 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -2763,7 +2763,6 @@ vm_map_lookup(vm_map_t *var_map, /* IN/OUT */ vm_prot_t prot; vm_prot_t fault_type = fault_typea; - GIANT_REQUIRED; RetryLookup:; /* * Lookup the faulting address. @@ -2857,10 +2856,12 @@ RetryLookup:; */ if (vm_map_lock_upgrade(map)) goto RetryLookup; + mtx_lock(&Giant); vm_object_shadow( &entry->object.vm_object, &entry->offset, atop(entry->end - entry->start)); + mtx_unlock(&Giant); entry->eflags &= ~MAP_ENTRY_NEEDS_COPY; vm_map_lock_downgrade(map); } else { @@ -2913,7 +2914,6 @@ vm_map_lookup_done(vm_map_t map, vm_map_entry_t entry) /* * Unlock the main-level map */ - GIANT_REQUIRED; vm_map_unlock_read(map); } |
