Commit 95350375 authored by Alexander Gordeev's avatar Alexander Gordeev
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Revert "s390/smp: enforce lowcore protection on CPU restart" 



This reverts commit 6f5c672d.

This breaks normal crash dump when CPU0 is offline.

Signed-off-by: default avatarAlexander Gordeev <agordeev@linux.ibm.com>
parent 5e441f61

arch/s390/kernel/setup.c

+1 −1
Original line number Diff line number Diff line
@@ -507,8 +507,8 @@ static void __init setup_lowcore_dat_on(void) 
	S390_lowcore.svc_new_psw.mask |= PSW_MASK_DAT;

	S390_lowcore.program_new_psw.mask |= PSW_MASK_DAT;

	S390_lowcore.io_new_psw.mask |= PSW_MASK_DAT;

	__ctl_set_bit(0, 28);

	__ctl_store(S390_lowcore.cregs_save_area, 0, 15);

	__ctl_set_bit(0, 28);

	put_abs_lowcore(restart_flags, RESTART_FLAG_CTLREGS);

	put_abs_lowcore(program_new_psw, lc->program_new_psw);

	for (cr = 0; cr < ARRAY_SIZE(lc->cregs_save_area); cr++)