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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2010-10-25 16:10:38 +0200
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-10-25 16:10:19 +0200
commitf6649a7e5a9ee99e9623878f4a5579cc2f6cdd51 (patch)
tree183438313c7593565980a1445f208e0ba30162cd /arch/s390/kernel/entry.S
parent1e54622e0403891b10f2105663e0f9dd595a1f17 (diff)
[S390] cleanup lowcore access from external interrupts
Read external interrupts parameters from the lowcore in the first level interrupt handler in entry[64].S. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/entry.S')
-rw-r--r--arch/s390/kernel/entry.S3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index adf25246f72e..736d7010629e 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -722,7 +722,8 @@ ext_no_vtime:
l %r9,__LC_THREAD_INFO # load pointer to thread_info struct
TRACE_IRQS_OFF
la %r2,SP_PTREGS(%r15) # address of register-save area
- lh %r3,__LC_EXT_INT_CODE # get interruption code
+ l %r3,__LC_CPU_ADDRESS # get cpu address + interruption code
+ l %r4,__LC_EXT_PARAMS # get external parameters
l %r1,BASED(.Ldo_extint)
basr %r14,%r1
b BASED(io_return)