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[S390] Fix FCP dump feature detection. 

FCP dump feature detection works only if the sclp command in head.S
was succesful. Since the sclp command is skipped if diag260 works,
we don't have any dump feature detection anymore.
Bug was introduced with d57de5a367.

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 2007-02-05 21:17:07 +01:00 committed by Martin Schwidefsky
parent e3c699b38e
commit b075083f35
1 changed files with 5 additions and 1 deletions
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6
arch/s390/kernel/head64.S
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@ -81,7 +81,6 @@ startup_continue:
aghi %r1,1 # size is one more than end
larl %r2,memory_chunk
stg %r1,8(%r2) # store size of chunk
j .Ldonemem
.Lslowmemdetect:
l %r2,.Lrcp-.LPG1(%r13) # Read SCP forced command word
@ -156,6 +155,11 @@ startup_continue:
#
# find memory chunks.
#
larl %r9,memory_chunk # skip tprot loop if diag260
lg %r9,8(%r9) # memory detection was successful
ltgr %r9,%r9
jne .Ldonemem
lgr %r9,%r3 # end of mem
larl %r1,.Lchkmem # set program check address
stg %r1,__LC_PGM_NEW_PSW+8