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Message-ID: <20081125090847.A31384@sedona.ch.intel.com>
Date: Tue, 25 Nov 2008 09:08:47 +0100
From: Markus Metzger <markus.t.metzger@...el.com>
To: hpa@...or.com, linux-kernel@...r.kernel.org, mingo@...e.hu,
tglx@...utronix.de
Cc: markus.t.metzger@...el.com, markus.t.metzger@...il.com,
roland@...hat.com, akpm@...ux-foundation.org,
mtk.manpages@...il.com, eranian@...glemail.com,
juan.villacis@...el.com
Subject: [patch 7/9] x86, pebs: export ds.c symbols
Export symbols in ds.c.
The changes are required to allow perfmon2 to access DS.
Reported-by: Stephane Eranian <eranian@...glemail.com>
Signed-off-by: Markus Metzger <markus.t.metzger@...el.com>
---
Index: ftrace/arch/x86/kernel/ds.c
===================================================================
--- ftrace.orig/arch/x86/kernel/ds.c 2008-11-25 08:18:03.000000000 +0100
+++ ftrace/arch/x86/kernel/ds.c 2008-11-25 08:18:04.000000000 +0100
@@ -28,6 +28,7 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/kernel.h>
+#include <linux/module.h>
/*
@@ -419,6 +420,7 @@
out:
return ERR_PTR(error);
}
+EXPORT_SYMBOL(ds_request_bts);
struct pebs_tracer *ds_request_pebs(struct task_struct *task,
void *base, size_t size,
@@ -449,6 +451,7 @@
out:
return ERR_PTR(error);
}
+EXPORT_SYMBOL(ds_request_pebs);
static void ds_release(struct ds_tracer *tracer, enum ds_qualifier qual)
{
@@ -469,6 +472,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_release_bts);
int ds_release_pebs(struct pebs_tracer *tracer)
{
@@ -480,6 +484,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_release_pebs);
static size_t ds_get_index(struct ds_context *context, enum ds_qualifier qual)
{
@@ -503,6 +508,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_get_bts_index);
int ds_get_pebs_index(struct pebs_tracer *tracer, size_t *pos)
{
@@ -516,6 +522,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_get_pebs_index);
static size_t ds_get_end(struct ds_context *context, enum ds_qualifier qual)
{
@@ -539,6 +546,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_get_bts_end);
int ds_get_pebs_end(struct pebs_tracer *tracer, size_t *pos)
{
@@ -552,6 +560,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_get_pebs_end);
static int ds_access(struct ds_context *context, enum ds_qualifier qual,
size_t index, const void **record)
@@ -580,6 +589,7 @@
return ds_access(tracer->ds.context, ds_bts, index, record);
}
+EXPORT_SYMBOL(ds_access_bts);
int ds_access_pebs(struct pebs_tracer *tracer, size_t index,
const void **record)
@@ -589,6 +599,7 @@
return ds_access(tracer->ds.context, ds_pebs, index, record);
}
+EXPORT_SYMBOL(ds_access_pebs);
static int ds_write(struct ds_context *context, enum ds_qualifier qual,
const void *record, size_t size)
@@ -660,6 +671,7 @@
return ds_write(tracer->ds.context, ds_bts, record, size);
}
+EXPORT_SYMBOL(ds_write_bts);
int ds_write_pebs(struct pebs_tracer *tracer, const void *record, size_t size)
{
@@ -668,6 +680,7 @@
return ds_write(tracer->ds.context, ds_pebs, record, size);
}
+EXPORT_SYMBOL(ds_write_pebs);
static void ds_reset_or_clear(struct ds_context *context,
enum ds_qualifier qual, int clear)
@@ -692,6 +705,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_reset_bts);
int ds_reset_pebs(struct pebs_tracer *tracer)
{
@@ -702,6 +716,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_reset_pebs);
int ds_clear_bts(struct bts_tracer *tracer)
{
@@ -712,6 +727,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_clear_bts);
int ds_clear_pebs(struct pebs_tracer *tracer)
{
@@ -722,6 +738,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_clear_pebs);
int ds_get_pebs_reset(struct pebs_tracer *tracer, u64 *value)
{
@@ -735,6 +752,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_get_pebs_reset);
int ds_set_pebs_reset(struct pebs_tracer *tracer, u64 value)
{
@@ -745,6 +763,7 @@
return 0;
}
+EXPORT_SYMBOL(ds_set_pebs_reset);
static const struct ds_configuration ds_cfg_var = {
.sizeof_ds = sizeof(long) * 12,
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