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Commit 9c375490 authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger
Browse files

s390/sclp: detect interlock-and-broadcast-suppression facility 



Let's detect that facility.

Reviewed-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 873b425e

arch/s390/include/asm/sclp.h

+1 −0
Original line number Diff line number Diff line
@@ -72,6 +72,7 @@ struct sclp_info { 
	unsigned char has_ib : 1;

	unsigned char has_cei : 1;

	unsigned char has_pfmfi : 1;

	unsigned char has_ibs : 1;

	unsigned int ibc;

	unsigned int mtid;

	unsigned int mtid_cp;

drivers/s390/char/sclp_early.c

+1 −0
Original line number Diff line number Diff line
@@ -120,6 +120,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb) 
	sclp.has_cmma = !!(sccb->fac116 & 0x40);

	sclp.has_esca = !!(sccb->fac116 & 0x08);

	sclp.has_pfmfi = !!(sccb->fac117 & 0x40);

	sclp.has_ibs = !!(sccb->fac117 & 0x20);

	sclp.has_hvs = !!(sccb->fac119 & 0x80);

	if (sccb->fac85 & 0x02)

		S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;