AcoSail/kernel_optimize_test
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[PATCH] s390: memory query wait psw

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Don't switch back to 24 bit addressing mode when waiting for an external
interrupt and set the correct bit in wait PSW (external mask instead of I/O
mask).

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Heiko Carstens 2005-11-07 00:59:04 -08:00 committed by Linus Torvalds
parent 373c491f6d
commit 9b4554aa21
2 changed files with 3 additions and 5 deletions
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3
arch/s390/kernel/head.S
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@ -572,8 +572,7 @@ startup:basr %r13,0 # get base
.Lcr:
.long 0x00 # place holder for cr0
.Lwaitsclp:
.long 0x020A0000
.long .Lsclph
.long 0x010a0000,0x80000000 + .Lsclph
.Lrcp:
.int 0x00120001 # Read SCP forced code
.Lrcp2:

5
arch/s390/kernel/head64.S
View File

@ -530,7 +530,7 @@ startup:basr %r13,0 # get base
be .Lfchunk-.LPG1(%r13) # leave
chi %r1,2
be .Lservicecall-.LPG1(%r13)
lpsw .Lwaitsclp-.LPG1(%r13)
lpswe .Lwaitsclp-.LPG1(%r13)
.Lsclph:
lh %r1,.Lsccbr-PARMAREA(%r4)
chi %r1,0x10 # 0x0010 is the sucess code
@ -567,8 +567,7 @@ startup:basr %r13,0 # get base
.Lcr:
.quad 0x00 # place holder for cr0
.Lwaitsclp:
.long 0x020A0000
.quad .Lsclph
.quad 0x0102000180000000,.Lsclph
.Lrcp:
.int 0x00120001 # Read SCP forced code
.Lrcp2: