Module Name: src
Committed By: riastradh
Date: Wed Sep 10 18:24:16 UTC 2014
Modified Files:
src/sys/external/bsd/drm2/ttm: ttm_bo_vm.c
Log Message:
We dropped vmobjlock, so reacquire it before uvmfault_unlockall.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/external/bsd/drm2/ttm/ttm_bo_vm.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/ttm/ttm_bo_vm.c
diff -u src/sys/external/bsd/drm2/ttm/ttm_bo_vm.c:1.4 src/sys/external/bsd/drm2/ttm/ttm_bo_vm.c:1.5
--- src/sys/external/bsd/drm2/ttm/ttm_bo_vm.c:1.4 Wed Aug 20 13:48:08 2014
+++ src/sys/external/bsd/drm2/ttm/ttm_bo_vm.c Wed Sep 10 18:24:16 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: ttm_bo_vm.c,v 1.4 2014/08/20 13:48:08 riastradh Exp $ */
+/* $NetBSD: ttm_bo_vm.c,v 1.5 2014/09/10 18:24:16 riastradh Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ttm_bo_vm.c,v 1.4 2014/08/20 13:48:08 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ttm_bo_vm.c,v 1.5 2014/09/10 18:24:16 riastradh Exp $");
#include <sys/types.h>
@@ -107,9 +107,11 @@ ttm_bo_uvm_fault(struct uvm_faultinfo *u
if (ret != -EBUSY)
goto out0;
/*
- * It's currently locked. Unlock the fault, wait for
- * it, and start over.
+ * It's currently locked. Unlock the fault (requires
+ * relocking uobj's vmobjlock first), wait for it, and
+ * start over.
*/
+ mutex_enter(uobj->vmobjlock);
uvmfault_unlockall(ufi, ufi->entry->aref.ar_amap, uobj);
(void)ttm_bo_wait_unreserved(bo);
return -ERESTART;
