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Differential D26952 Diff 78788 head/sys/riscv/riscv/mp_machdep.c

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head/sys/riscv/riscv/mp_machdep.c

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static int static int
ipi_handler(void *arg) ipi_handler(void *arg)
{ {
u_int ipi_bitmap; u_int ipi_bitmap;
u_int cpu, ipi; u_int cpu, ipi;
int bit; int bit;
sbi_clear_ipi(); csr_clear(sip, SIP_SSIP);
cpu = PCPU_GET(cpuid); cpu = PCPU_GET(cpuid);
mb(); mb();
ipi_bitmap = atomic_readandclear_int(PCPU_PTR(pending_ipis)); ipi_bitmap = atomic_readandclear_int(PCPU_PTR(pending_ipis));
if (ipi_bitmap == 0) if (ipi_bitmap == 0)
return (FILTER_HANDLED); return (FILTER_HANDLED);
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