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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/time.c
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/time.c')
-rw-r--r--arch/s390/kernel/time.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 2896cac9c14..f754a6dc4f9 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -155,7 +155,9 @@ void init_cpu_timer(void)
__ctl_set_bit(0, 4);
}
-static void clock_comparator_interrupt(__u16 code)
+static void clock_comparator_interrupt(unsigned int ext_int_code,
+ unsigned int param32,
+ unsigned long param64)
{
if (S390_lowcore.clock_comparator == -1ULL)
set_clock_comparator(S390_lowcore.clock_comparator);
@@ -164,14 +166,13 @@ static void clock_comparator_interrupt(__u16 code)
static void etr_timing_alert(struct etr_irq_parm *);
static void stp_timing_alert(struct stp_irq_parm *);
-static void timing_alert_interrupt(__u16 code)
+static void timing_alert_interrupt(unsigned int ext_int_code,
+ unsigned int param32, unsigned long param64)
{
- if (S390_lowcore.ext_params & 0x00c40000)
- etr_timing_alert((struct etr_irq_parm *)
- &S390_lowcore.ext_params);
- if (S390_lowcore.ext_params & 0x00038000)
- stp_timing_alert((struct stp_irq_parm *)
- &S390_lowcore.ext_params);
+ if (param32 & 0x00c40000)
+ etr_timing_alert((struct etr_irq_parm *) &param32);
+ if (param32 & 0x00038000)
+ stp_timing_alert((struct stp_irq_parm *) &param32);
}
static void etr_reset(void);