Module Name:    src
Committed By:   riastradh
Date:           Sun Dec 19 12:13:08 UTC 2021

Modified Files:
        src/sys/external/bsd/drm2/include/linux: shmem_fs.h

Log Message:
drm: Need write lock on vmobjlock for pgo_put.


To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/external/bsd/drm2/include/linux/shmem_fs.h

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/include/linux/shmem_fs.h
diff -u src/sys/external/bsd/drm2/include/linux/shmem_fs.h:1.3 src/sys/external/bsd/drm2/include/linux/shmem_fs.h:1.4
--- src/sys/external/bsd/drm2/include/linux/shmem_fs.h:1.3	Sun Dec 19 11:33:49 2021
+++ src/sys/external/bsd/drm2/include/linux/shmem_fs.h	Sun Dec 19 12:13:08 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: shmem_fs.h,v 1.3 2021/12/19 11:33:49 riastradh Exp $	*/
+/*	$NetBSD: shmem_fs.h,v 1.4 2021/12/19 12:13:08 riastradh Exp $	*/
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -80,6 +80,8 @@ shmem_truncate_range(struct uvm_object *
 		KASSERT(0 <= start);
 		KASSERT(start <= end);
 	}
+
+	rw_enter(uobj->vmobjlock, RW_WRITER);
 	(*uobj->pgops->pgo_put)(uobj, start, end, flags);
 }
 

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