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PERFORCE change 113843 for review

Subject: PERFORCE change 113843 for review
From: Robert Watson
Date: Thu, 1 Feb 2007 16:17:44 GMT
http://perforce.freebsd.org/chv.cgi?CH=113843

Change 113843 by [email protected]_cinnamon on 2007/02/01 16:17:41

        Volatile.

Affected files ...

.. //depot/projects/zcopybpf/src/sys/net/bpf.h#6 edit

Differences ...

==== //depot/projects/zcopybpf/src/sys/net/bpf.h#6 (text+ko) ====

@@ -183,9 +183,9 @@
  * fit in a single page on all architectures.
  */
 struct bpf_zbuf_header {
-       u_int   bzh_kernel_gen;         /* Kernel generation number. */
-       u_int   bzh_kernel_len;         /* Length of buffer. */
-       u_int   bzh_user_gen;           /* User generation number. */
+       volatile u_int  bzh_kernel_gen; /* Kernel generation number. */
+       volatile u_int  bzh_kernel_len; /* Length of buffer. */
+       volatile u_int  bzh_user_gen;   /* User generation number. */
        u_int   _bzh_pad[5];            /* Padding out to 32-byte boundary. */
 };
 
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