diff options
| author | Paul Mackerras <paulus@samba.org> | 2005-11-10 02:08:55 (GMT) |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-11-10 02:08:55 (GMT) |
| commit | e130bedb7ce718a8eb6b56a3806b96281f618111 (patch) | |
| tree | da5676a4291a79b06da6fe2b005e0058ec03cc2c /arch/powerpc/platforms/iseries | |
| parent | 00557b59c69ce284e5a61bcfcdbcc3dc867cb2da (diff) | |
| parent | 756e7104fefc82e3ebaa5f1da5ba6659c9c1cae5 (diff) | |
| download | linux-fsl-qoriq-e130bedb7ce718a8eb6b56a3806b96281f618111.tar.xz | |
Merge git://oak/home/sfr/kernels/iseries/work
Diffstat (limited to 'arch/powerpc/platforms/iseries')
| -rw-r--r-- | arch/powerpc/platforms/iseries/irq.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c index a06603d..01090e9 100644 --- a/arch/powerpc/platforms/iseries/irq.c +++ b/arch/powerpc/platforms/iseries/irq.c @@ -103,6 +103,9 @@ static void intReceived(struct XmPciLpEvent *eventParm, struct pt_regs *regsParm) { int irq; +#ifdef CONFIG_IRQSTACKS + struct thread_info *curtp, *irqtp; +#endif ++Pci_Interrupt_Count; @@ -110,7 +113,20 @@ static void intReceived(struct XmPciLpEvent *eventParm, case XmPciLpEvent_SlotInterrupt: irq = eventParm->hvLpEvent.xCorrelationToken; /* Dispatch the interrupt handlers for this irq */ - ppc_irq_dispatch_handler(regsParm, irq); +#ifdef CONFIG_IRQSTACKS + /* Switch to the irq stack to handle this */ + curtp = current_thread_info(); + irqtp = hardirq_ctx[smp_processor_id()]; + if (curtp != irqtp) { + irqtp->task = curtp->task; + irqtp->flags = 0; + call___do_IRQ(irq, regsParm, irqtp); + irqtp->task = NULL; + if (irqtp->flags) + set_bits(irqtp->flags, &curtp->flags); + } else +#endif + __do_IRQ(irq, regsParm); HvCallPci_eoi(eventParm->eventData.slotInterrupt.busNumber, eventParm->eventData.slotInterrupt.subBusNumber, eventParm->eventData.slotInterrupt.deviceId); @@ -310,10 +326,8 @@ static void iSeries_disable_IRQ(unsigned int irq) } /* - * Need to define this so ppc_irq_dispatch_handler will NOT call - * enable_IRQ at the end of interrupt handling. However, this does - * nothing because there is not enough information provided to do - * the EOI HvCall. This is done by XmPciLpEvent.c + * This does nothing because there is not enough information + * provided to do the EOI HvCall. This is done by XmPciLpEvent.c */ static void iSeries_end_IRQ(unsigned int irq) { |