Commit b9d55357 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Palmer Dabbelt

RISC-V: simplify software interrupt / IPI code

Rename handle_ipi to riscv_software_interrupt, drop the unused return
value and move the prototype to irq.h together with riscv_timer_interupt.
This allows simplifying the upcoming interrupt handling support.
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarPalmer Dabbelt <palmer@sifive.com>
parent b9490350
......@@ -22,6 +22,7 @@
#define INTERRUPT_CAUSE_EXTERNAL 9
void riscv_timer_interrupt(void);
void riscv_software_interrupt(void);
#include <asm-generic/irq.h>
......
......@@ -44,9 +44,6 @@ void arch_send_call_function_single_ipi(int cpu);
*/
#define raw_smp_processor_id() (*((int*)((char*)get_current() + TASK_TI_CPU)))
/* Interprocessor interrupt handler */
irqreturn_t handle_ipi(void);
#endif /* CONFIG_SMP */
#endif /* _ASM_RISCV_SMP_H */
......@@ -45,7 +45,7 @@ int setup_profiling_timer(unsigned int multiplier)
return -EINVAL;
}
irqreturn_t handle_ipi(void)
void riscv_software_interrupt(void)
{
unsigned long *pending_ipis = &ipi_data[smp_processor_id()].bits;
......@@ -60,7 +60,7 @@ irqreturn_t handle_ipi(void)
ops = xchg(pending_ipis, 0);
if (ops == 0)
return IRQ_HANDLED;
return;
if (ops & (1 << IPI_RESCHEDULE))
scheduler_ipi();
......@@ -73,8 +73,6 @@ irqreturn_t handle_ipi(void)
/* Order data access and bit testing. */
mb();
}
return IRQ_HANDLED;
}
static void
......
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