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Message-ID: <398248.77538.qm@web50102.mail.re2.yahoo.com>
Date: Sun, 3 Jun 2007 07:41:54 -0700 (PDT)
From: Doug Thompson <norsk5@...oo.com>
To: linux-kernel@...r.kernel.org, Andrew Morton <akpm@...l.org>,
Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: [PATCH 18/36] drivers edac mod assert error check
From: Dave Jiang <djiang@...sta.com>
Change error check and clear variable from an atomic to an int
Signed-off-by: Dave Jiang <djiang@...sta.com>
Signed-off-by: Douglas Thompson <dougthompson@...ssion.com
---
Index: linux-2.6.21.1/drivers/edac/edac_mc.c
===================================================================
--- linux-2.6.21.1.orig/drivers/edac/edac_mc.c
+++ linux-2.6.21.1/drivers/edac/edac_mc.c
@@ -222,18 +222,15 @@ static struct mem_ctl_info *find_mci_by_
*/
static int edac_mc_assert_error_check_and_clear(void)
{
- int vreg;
+ int old_state;
if(edac_op_state == EDAC_OPSTATE_POLL)
return 1;
- vreg = atomic_read(&edac_err_assert);
- if(vreg) {
- atomic_set(&edac_err_assert, 0);
- return 1;
- }
+ old_state = edac_err_assert;
+ edac_err_assert = 0;
- return 0;
+ return old_state;
}
/*
Index: linux-2.6.21.1/drivers/edac/edac_stub.c
===================================================================
--- linux-2.6.21.1.orig/drivers/edac/edac_stub.c
+++ linux-2.6.21.1/drivers/edac/edac_stub.c
@@ -20,7 +20,7 @@ EXPORT_SYMBOL(edac_op_state);
atomic_t edac_handlers = ATOMIC_INIT(0);
EXPORT_SYMBOL(edac_handlers);
-atomic_t edac_err_assert = ATOMIC_INIT(0);
+int edac_err_assert = 0;
EXPORT_SYMBOL(edac_err_assert);
inline int edac_handler_set(void)
@@ -37,6 +37,6 @@ EXPORT_SYMBOL(edac_handler_set);
*/
inline void edac_atomic_assert_error(void)
{
- atomic_set(&edac_err_assert, 1);
+ edac_err_assert++;
}
EXPORT_SYMBOL(edac_atomic_assert_error);
Index: linux-2.6.21.1/include/linux/edac.h
===================================================================
--- linux-2.6.21.1.orig/include/linux/edac.h
+++ linux-2.6.21.1/include/linux/edac.h
@@ -20,8 +20,8 @@
#define EDAC_OPSTATE_INT 2
extern int edac_op_state;
+extern int edac_err_assert;
extern atomic_t edac_handlers;
-extern atomic_t edac_err_assert;
extern int edac_handler_set(void);
extern void edac_atomic_assert_error(void);
-
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