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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
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+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) {