diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2010-10-25 16:10:38 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-10-25 16:10:19 +0200 |
| commit | f6649a7e5a9ee99e9623878f4a5579cc2f6cdd51 (patch) | |
| tree | 183438313c7593565980a1445f208e0ba30162cd /arch/s390/kernel/s390_ext.c | |
| parent | 1e54622e0403891b10f2105663e0f9dd595a1f17 (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/s390_ext.c')
| -rw-r--r-- | arch/s390/kernel/s390_ext.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c index 9ce641b5291..bd1db508e8a 100644 --- a/arch/s390/kernel/s390_ext.c +++ b/arch/s390/kernel/s390_ext.c @@ -113,12 +113,15 @@ int unregister_early_external_interrupt(__u16 code, ext_int_handler_t handler, return 0; } -void __irq_entry do_extint(struct pt_regs *regs, unsigned short code) +void __irq_entry do_extint(struct pt_regs *regs, unsigned int ext_int_code, + unsigned int param32, unsigned long param64) { + struct pt_regs *old_regs; + unsigned short code; ext_int_info_t *p; int index; - struct pt_regs *old_regs; + code = (unsigned short) ext_int_code; old_regs = set_irq_regs(regs); s390_idle_check(regs, S390_lowcore.int_clock, S390_lowcore.async_enter_timer); @@ -132,7 +135,7 @@ void __irq_entry do_extint(struct pt_regs *regs, unsigned short code) index = ext_hash(code); for (p = ext_int_hash[index]; p; p = p->next) { if (likely(p->code == code)) - p->handler(code); + p->handler(ext_int_code, param32, param64); } irq_exit(); set_irq_regs(old_regs); |