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Commit 09be9cb9 authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger
Browse files

s390/sclp: detect cmma 



Let's detect the Collaborative-memory-management-interpretation facility,
aka CMM assist, so we can correctly enable cmma later.

Signed-off-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 89b5b4de

arch/s390/include/asm/sclp.h

+1 −0
Original line number Diff line number Diff line
@@ -62,6 +62,7 @@ struct sclp_info { 
	unsigned char has_sief2 : 1;

	unsigned char has_64bscao : 1;

	unsigned char has_gpere : 1;

	unsigned char has_cmma : 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
@@ -115,6 +115,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb) 
	sclp.has_sprp = !!(sccb->fac84 & 0x02);

	sclp.has_core_type = !!(sccb->fac84 & 0x01);

	sclp.has_64bscao = !!(sccb->fac116 & 0x80);

	sclp.has_cmma = !!(sccb->fac116 & 0x40);

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

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

	if (sccb->fac85 & 0x02)