[Xen-changelog] [xen-unstable] xentrace: Mark data_size __read_mostly because it's only written once

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1304931553 -3600
# Node ID 0ddcc8063690b256fbc483785f4793a658b671d9
# Parent  fb5313e64335e3b50f9ad7155f7f8ed067b33e8b
xentrace: Mark data_size __read_mostly because it's only written once

Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
---


diff -r fb5313e64335 -r 0ddcc8063690 xen/common/trace.c
--- a/xen/common/trace.c        Mon May 09 09:58:36 2011 +0100
+++ b/xen/common/trace.c        Mon May 09 09:59:13 2011 +0100
@@ -54,7 +54,7 @@
 static DEFINE_PER_CPU_READ_MOSTLY(struct t_buf *, t_bufs);
 static DEFINE_PER_CPU_READ_MOSTLY(unsigned char *, t_data);
 static DEFINE_PER_CPU_READ_MOSTLY(spinlock_t, t_lock);
-static u32 data_size;
+static u32 data_size __read_mostly;
 
 /* High water mark for trace buffers; */
 /* Send virtual interrupt when buffer level reaches this point */

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