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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
mips: kvm: simplify kvm_mips_deliver_interrupts()
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>
authored by
Yury Norov
and committed by
Thomas Bogendoerfer
263e954a
4ebb6c95
+2
-18
+2
-18
arch/mips/kvm/interrupt.c
+2
-18
arch/mips/kvm/interrupt.c
···
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unsigned long *pending_clr = &vcpu->arch.pending_exceptions_clr;
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unsigned int priority;
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-
if (!(*pending) && !(*pending_clr))
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-
return;
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-
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-
priority = __ffs(*pending_clr);
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-
while (priority <= MIPS_EXC_MAX) {
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+
for_each_set_bit(priority, pending_clr, MIPS_EXC_MAX + 1)
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kvm_mips_callbacks->irq_clear(vcpu, priority, cause);
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priority = find_next_bit(pending_clr,
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BITS_PER_BYTE * sizeof(*pending_clr),
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priority + 1);
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}
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-
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priority = __ffs(*pending);
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while (priority <= MIPS_EXC_MAX) {
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+
for_each_set_bit(priority, pending, MIPS_EXC_MAX + 1)
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kvm_mips_callbacks->irq_deliver(vcpu, priority, cause);
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-
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priority = find_next_bit(pending,
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BITS_PER_BYTE * sizeof(*pending),
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priority + 1);
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}
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-
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}
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int kvm_mips_pending_timer(struct kvm_vcpu *vcpu)