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s390/sclp: unify basic sclp access by exposing "struct sclp"

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Let's unify basic access to sclp fields by storing the data in an external
struct in asm/sclp.h.

The values can now directly be accessed by other components, so there is
no need for most accessor functions and external variables anymore.

The mtid, mtid_max and facility part will be cleaned up separately.

Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
David Hildenbrand
2015-05-06 13:18:59 +02:00
committed by Martin Schwidefsky
parent 9747bc47b3
commit 37c5f6c86c
14 changed files with 79 additions and 143 deletions
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4
arch/s390/mm/mem_detect.c
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@@ -31,8 +31,8 @@ void __init detect_memory_memblock(void)
unsigned long addr, size;
int type;
rzm = sclp_get_rzm();
rnmax = sclp_get_rnmax();
rzm = sclp.rzm;
rnmax = sclp.rnmax;
memsize = rzm * rnmax;
if (!rzm)
rzm = 1ULL << 17;