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parisc: Suspend lockup detectors before system halt

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Some machines can't power off the machine, so disable the lockup detectors to
avoid this watchdog BUG to show up every few seconds:
watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd-shutdow:1]

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # 4.9+
This commit is contained in:
Helge Deller 2017-07-25 21:41:41 +02:00
parent c46bafc4d2
commit 56188832a5
1 changed files with 2 additions and 0 deletions
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2
arch/parisc/kernel/process.c
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@ -53,6 +53,7 @@
#include <linux/uaccess.h>
#include <linux/rcupdate.h>
#include <linux/random.h>
#include <linux/nmi.h>
#include <asm/io.h>
#include <asm/asm-offsets.h>
@ -145,6 +146,7 @@ void machine_power_off(void)
/* prevent soft lockup/stalled CPU messages for endless loop. */
rcu_sysrq_start();
lockup_detector_suspend();
for (;;);
}