From: Anders Berg <anders.b...@avagotech.com>
Added module parameter panic_on_fatal which when set will cause the driver
to call panic() when an uncorrectable ECC error is detected.
Signed-off-by: Anders Berg <anders.b...@avagotech.com>
---
drivers/misc/lsi-smmon.c | 27 ++++++++++++++++++---------
1 file changed, 18 insertions(+), 9 deletions(-)
diff --git a/drivers/misc/lsi-smmon.c b/drivers/misc/lsi-smmon.c
index 774430f..d2ceb31 100644
--- a/drivers/misc/lsi-smmon.c
+++ b/drivers/misc/lsi-smmon.c
@@ -24,6 +24,10 @@ static int log = 1;
module_param(log, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(log, "Log each error to kernel log.");
+static int panic_on_fatal = 1;
+module_param(panic_on_fatal, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(panic_on_fatal, "Panic on fatal error.");
+
/*
AXM55xx memory controller interrupt status bits:
@@ -96,18 +100,19 @@ static const u32 event_mask[NR_EVENTS] = {
};
static const struct event_logging {
+ int fatal;
const char *level;
const char *name;
} event_logging[NR_EVENTS] = {
- [EV_ILLEGAL] = {KERN_ERR, "Illegal access"},
- [EV_MULT_ILLEGAL] = {KERN_ERR, "Illegal access"},
- [EV_CORR_ECC] = {KERN_NOTICE, "Correctable ECC error"},
- [EV_MULT_CORR_ECC] = {KERN_NOTICE, "Correctable ECC error"},
- [EV_UNCORR_ECC] = {KERN_CRIT, "Uncorrectable ECC error"},
- [EV_MULT_UNCORR_ECC] = {KERN_CRIT, "Uncorrectable ECC error"},
- [EV_PORT_ERROR] = {KERN_CRIT, "Port error"},
- [EV_WRAP_ERROR] = {KERN_CRIT, "Wrap error"},
- [EV_PARITY_ERROR] = {KERN_CRIT, "Parity error"},
+ [EV_ILLEGAL] = {0, KERN_ERR, "Illegal access"},
+ [EV_MULT_ILLEGAL] = {0, KERN_ERR, "Illegal access"},
+ [EV_CORR_ECC] = {0, KERN_NOTICE, "Correctable ECC error"},
+ [EV_MULT_CORR_ECC] = {0, KERN_NOTICE, "Correctable ECC error"},
+ [EV_UNCORR_ECC] = {1, KERN_CRIT, "Uncorrectable ECC error"},
+ [EV_MULT_UNCORR_ECC] = {1, KERN_CRIT, "Uncorrectable ECC error"},
+ [EV_PORT_ERROR] = {0, KERN_CRIT, "Port error"},
+ [EV_WRAP_ERROR] = {0, KERN_CRIT, "Wrap error"},
+ [EV_PARITY_ERROR] = {0, KERN_CRIT, "Parity error"},
};
struct smmon_attr {
@@ -182,6 +187,10 @@ smmon_isr(int interrupt, void *device)
for (i = 0; i < NR_EVENTS; ++i) {
if ((status & event_mask[i]) != 0) {
++sm->counter[i];
+ if (panic_on_fatal && event_logging[i].fatal)
+ panic("%s (%s)\n",
+ event_logging[i].name,
+ dev_name(&sm->pdev->dev));
if (log)
printk_ratelimited("%s%s: %s\n",
event_logging[i].level,
--
1.7.9.5
--
_______________________________________________
linux-yocto mailing list
linux-yocto@yoctoproject.org
https://lists.yoctoproject.org/listinfo/linux-yocto
