diff options
| -rw-r--r-- | arch/loongarch/kvm/exit.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/arch/loongarch/kvm/exit.c b/arch/loongarch/kvm/exit.c index fa52251b3bf1..a0ceb49a060f 100644 --- a/arch/loongarch/kvm/exit.c +++ b/arch/loongarch/kvm/exit.c @@ -821,32 +821,25 @@ static int kvm_handle_lbt_disabled(struct kvm_vcpu *vcpu, int ecode) return RESUME_GUEST; } -static int kvm_send_pv_ipi(struct kvm_vcpu *vcpu) +static void kvm_send_pv_ipi(struct kvm_vcpu *vcpu) { - unsigned int min, cpu, i; - unsigned long ipi_bitmap; + unsigned int min, cpu; struct kvm_vcpu *dest; + DECLARE_BITMAP(ipi_bitmap, BITS_PER_LONG * 2) = { + kvm_read_reg(vcpu, LOONGARCH_GPR_A1), + kvm_read_reg(vcpu, LOONGARCH_GPR_A2) + }; min = kvm_read_reg(vcpu, LOONGARCH_GPR_A3); - for (i = 0; i < 2; i++, min += BITS_PER_LONG) { - ipi_bitmap = kvm_read_reg(vcpu, LOONGARCH_GPR_A1 + i); - if (!ipi_bitmap) + for_each_set_bit(cpu, ipi_bitmap, BITS_PER_LONG * 2) { + dest = kvm_get_vcpu_by_cpuid(vcpu->kvm, cpu + min); + if (!dest) continue; - cpu = find_first_bit((void *)&ipi_bitmap, BITS_PER_LONG); - while (cpu < BITS_PER_LONG) { - dest = kvm_get_vcpu_by_cpuid(vcpu->kvm, cpu + min); - cpu = find_next_bit((void *)&ipi_bitmap, BITS_PER_LONG, cpu + 1); - if (!dest) - continue; - - /* Send SWI0 to dest vcpu to emulate IPI interrupt */ - kvm_queue_irq(dest, INT_SWI0); - kvm_vcpu_kick(dest); - } + /* Send SWI0 to dest vcpu to emulate IPI interrupt */ + kvm_queue_irq(dest, INT_SWI0); + kvm_vcpu_kick(dest); } - - return 0; } /* |