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Commit 99e354a5 authored by Helge Deller's avatar Helge Deller Committed by Greg Kroah-Hartman
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parisc: Avoid stalled CPU warnings after system shutdown 



commit 476e75a44b56038bee9207242d4bc718f6b4de06 upstream.

Commit 73580dac7618 ("parisc: Fix system shutdown halt") introduced an endless
loop for systems which don't provide a software power off function.  But the
soft lockup detector will detect this and report stalled CPUs after some time.
Avoid those unwanted warnings by disabling the soft lockup detector.

Fixes: 73580dac7618 ("parisc: Fix system shutdown halt")
Signed-off-by: default avatarHelge Deller <deller@gmx.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 09b931fc

arch/parisc/kernel/process.c

+2 −0
Original line number Diff line number Diff line
@@ -140,6 +140,8 @@ void machine_power_off(void) 
	printk(KERN_EMERG "System shut down completed.\n"

	       "Please power this system off now.");



	/* prevent soft lockup/stalled CPU messages for endless loop. */

	rcu_sysrq_start();

	for (;;);

}