AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[PATCH] s390: memory query wait psw

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/s390/kernel/head.S
View File

@ -572,8 +572,7 @@ startup:basr %r13,0 # get base
.Lcr: .Lcr:
.long 0x00 # place holder for cr0 .long 0x00 # place holder for cr0
.Lwaitsclp: .Lwaitsclp:
.long 0x020A0000 .long 0x010a0000,0x80000000 + .Lsclph
.long .Lsclph
.Lrcp: .Lrcp:
.int 0x00120001 # Read SCP forced code .int 0x00120001 # Read SCP forced code
.Lrcp2: .Lrcp2:

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

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