diff options
| author | Renn Wu <rewu@nvidia.com> | 2015-02-03 10:27:18 +0800 |
|---|---|---|
| committer | Matthew Pedro <mapedro@nvidia.com> | 2015-06-08 12:01:04 -0700 |
| commit | b1de4caf2f12e1bc9c3a4e08dd60b5de53b7520a (patch) | |
| tree | 727935d014482a714ef9808ce4245ca4a6b19efc /kernel | |
| parent | d89af238e13dbd1f2a01cb5392902313ad367ef2 (diff) | |
watchdog: use FIQ WDT for soft lockup stack dump
Using Tegra WDT to trigger FIQ when system is in soft lockup.
Bug 1581432
Change-Id: I853a88a3f6e9402c978db18c5a63e903c582040a
Signed-off-by: Renn Wu <rewu@nvidia.com>
Reviewed-on: http://git-master/r/265871
(cherry picked from commit f115f435d471af22ddec5e9d969662f79193f846)
Reviewed-on: http://git-master/r/680353
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: Winnie Hsu <whsu@nvidia.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/watchdog.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 274e737a92e6..38d0aab8a89b 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -2,6 +2,7 @@ * Detect hard and soft lockups on a system * * started by Don Zickus, Copyright (C) 2010 Red Hat, Inc. + * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved. * * Note: Most of this code is borrowed heavily from the original softlockup * detector, so thanks to Ingo for the initial implementation. @@ -415,6 +416,8 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) else dump_stack(); + set_wdt_nmi_ack_off(); + if (softlockup_panic) panic("softlockup: hung tasks"); __this_cpu_write(soft_watchdog_warn, true); |