[PATCH 2/3] panic: improve panic_timeout calculation

From: Felipe Contreras
Date: Thu Nov 07 2013 - 19:53:39 EST


We want to calculate the blinks per second, and instead of making it 5
(1000 / (3600 / 18)), let's make it 4, so the user can see two blinks
per second.

Signed-off-by: Felipe Contreras <felipe.contreras@xxxxxxxxx>
---
kernel/panic.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/panic.c b/kernel/panic.c
index 46e37ff..5a0bdaa 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -25,7 +25,7 @@
#include <linux/nmi.h>

#define PANIC_TIMER_STEP 100
-#define PANIC_BLINK_SPD 18
+#define PANIC_BLINK_SPD 4

int panic_on_oops = CONFIG_PANIC_ON_OOPS_VALUE;
static unsigned long tainted_mask;
@@ -147,7 +147,7 @@ void panic(const char *fmt, ...)
touch_nmi_watchdog();
if (i >= i_next) {
i += panic_blink(state ^= 1);
- i_next = i + 3600 / PANIC_BLINK_SPD;
+ i_next = i + 1000 / PANIC_BLINK_SPD;
}
mdelay(PANIC_TIMER_STEP);
}
@@ -181,7 +181,7 @@ void panic(const char *fmt, ...)
touch_softlockup_watchdog();
if (i >= i_next) {
i += panic_blink(state ^= 1);
- i_next = i + 3600 / PANIC_BLINK_SPD;
+ i_next = i + 1000 / PANIC_BLINK_SPD;
}
mdelay(PANIC_TIMER_STEP);
}
--
1.8.4.2+fc1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/