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s390/cache: fix data/instruction cache output 

The sysfs and procfs output of the instruction and data caches were
wrong: the output of the data cache provided that instruction cache
values and vice versa.
Fix this by using the correct type indication when issueing the
ecag instruction.

Reported-by: Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2012-10-18 13:13:41 +02:00 committed by Martin Schwidefsky
parent c985cb37f1
commit d18f99c28b
1 changed files with 6 additions and 3 deletions
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9
arch/s390/kernel/cache.c
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@ -59,8 +59,8 @@ enum {
enum {
CACHE_TI_UNIFIED = 0,
CACHE_TI_INSTRUCTION = 0,
CACHE_TI_DATA,
CACHE_TI_DATA = 0,
CACHE_TI_INSTRUCTION,
};
struct cache_info {
@ -121,7 +121,10 @@ static int __init cache_add(int level, int private, int type)
cache = kzalloc(sizeof(*cache), GFP_KERNEL);
if (!cache)
return -ENOMEM;
ti = type == CACHE_TYPE_DATA ? CACHE_TI_DATA : CACHE_TI_UNIFIED;
if (type == CACHE_TYPE_INSTRUCTION)
ti = CACHE_TI_INSTRUCTION;
else
ti = CACHE_TI_UNIFIED;
cache->size = ecag(EXTRACT_SIZE, level, ti);
cache->line_size = ecag(EXTRACT_LINE_SIZE, level, ti);
cache->associativity = ecag(EXTRACT_ASSOCIATIVITY, level, ti);