Commit 5791d90d authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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s390/nmi: purge tlbs after control register validation 



Play safe and purge all tlbs after the control registers that contain
the primary, secondary and home space asces have been validated.

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 70e28aa0

arch/s390/kernel/nmi.c

+2 −1
Original line number Diff line number Diff line
@@ -125,7 +125,8 @@ static int notrace s390_validate_registers(union mci mci, int umode) 
		s390_handle_damage();

	} else {

		asm volatile(

			"	lctlg	0,15,0(%0)"

			"	lctlg	0,15,0(%0)\n"

			"	ptlb\n"

			: : "a" (&S390_lowcore.cregs_save_area) : "memory");

	}

	if (!mci.fp) {