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[Xen-devel] [PATCH 2 of 5] Mark data_size __read_mostly because its only written once
- To: xen-devel@xxxxxxxxxxxxxxxxxxx
- From: Olaf Hering <olaf@xxxxxxxxx>
- Date: Fri, 06 May 2011 20:25:33 +0200
- Cc: George Dunlap <george.dunlap@xxxxxxxxxx>
- Delivery-date: Fri, 06 May 2011 11:27:04 -0700
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- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1304697395 -7200
# Node ID 91c40bb4c01a331a41ab6a14a2b5ec7d12e86a76
# Parent a19b5f66ce46efd6f8f697583f9bdbc2b567fdbd
Mark data_size __read_mostly because its only written once.
Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
diff -r a19b5f66ce46 -r 91c40bb4c01a xen/common/trace.c
--- a/xen/common/trace.c Fri May 06 17:56:35 2011 +0200
+++ b/xen/common/trace.c Fri May 06 17:56:35 2011 +0200
@@ -54,7 +54,7 @@ static unsigned int t_info_pages;
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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