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mips: kvm: simplify kvm_mips_deliver_interrupts()

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The function opencodes for_each_set_bit() macro, which makes it bulky.
Using the proper API makes all the housekeeping code go away.

Signed-off-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Yury Norov 2025-07-16 13:29:17 -04:00 committed by Thomas Bogendoerfer
parent 4ebb6c9515
commit 263e954a4c
1 changed files with 2 additions and 18 deletions
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20
arch/mips/kvm/interrupt.c
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@ -27,27 +27,11 @@ void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, u32 cause)
unsigned long *pending_clr = &vcpu->arch.pending_exceptions_clr;
unsigned int priority;
if (!(*pending) && !(*pending_clr))
return;
priority = __ffs(*pending_clr);
while (priority <= MIPS_EXC_MAX) {
for_each_set_bit(priority, pending_clr, MIPS_EXC_MAX + 1)
kvm_mips_callbacks->irq_clear(vcpu, priority, cause);
priority = find_next_bit(pending_clr,
BITS_PER_BYTE * sizeof(*pending_clr),
priority + 1);
}
priority = __ffs(*pending);
while (priority <= MIPS_EXC_MAX) {
for_each_set_bit(priority, pending, MIPS_EXC_MAX + 1)
kvm_mips_callbacks->irq_deliver(vcpu, priority, cause);
priority = find_next_bit(pending,
BITS_PER_BYTE * sizeof(*pending),
priority + 1);
}
}
int kvm_mips_pending_timer(struct kvm_vcpu *vcpu)