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Diffstat (limited to 'drivers/edac/edac_module.c')
-rw-r--r--drivers/edac/edac_module.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/edac/edac_module.c b/drivers/edac/edac_module.c
index 3cd3a236821c..89c96ecbf04e 100644
--- a/drivers/edac/edac_module.c
+++ b/drivers/edac/edac_module.c
@@ -1,6 +1,7 @@
#include <linux/freezer.h>
#include <linux/kthread.h>
+#include <linux/edac.h>
#include "edac_mc.h"
#include "edac_module.h"
@@ -102,6 +103,25 @@ static void do_edac_check(void)
}
/*
+ * handler for EDAC to check if NMI type handler has asserted interrupt
+ */
+static int edac_assert_error_check_and_clear(void)
+{
+ int vreg;
+
+ 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;
+ }
+
+ return 0;
+}
+
+/*
* Action thread for EDAC to perform the POLL operations
*/
static int edac_kernel_thread(void *arg)
@@ -109,8 +129,8 @@ static int edac_kernel_thread(void *arg)
int msec;
while (!kthread_should_stop()) {
-
- do_edac_check();
+ if(edac_assert_error_check_and_clear())
+ do_edac_check();
/* goto sleep for the interval */
msec = (HZ * edac_get_poll_msec()) / 1000;