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KVM: arm64: Clean up KVM_SET_GUEST_DEBUG handler

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No particular reason other than it isn't nice to look at.

Tested-by: James Clark <james.clark@linaro.org>
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20241219224116.3941496-8-oliver.upton@linux.dev
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Oliver Upton
2024-12-19 14:41:04 -08:00
committed by Marc Zyngier
parent cd9b10102a
commit 4cefbec97d
1 changed files with 11 additions and 18 deletions
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29
arch/arm64/kvm/guest.c
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@@ -917,31 +917,24 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
struct kvm_guest_debug *dbg)
{
int ret = 0;
trace_kvm_set_guest_debug(vcpu, dbg->control);
if (dbg->control & ~KVM_GUESTDBG_VALID_MASK) {
ret = -EINVAL;
goto out;
}
if (dbg->control & ~KVM_GUESTDBG_VALID_MASK)
return -EINVAL;
if (dbg->control & KVM_GUESTDBG_ENABLE) {
vcpu->guest_debug = dbg->control;
/* Hardware assisted Break and Watch points */
if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW) {
vcpu->arch.external_debug_state = dbg->arch;
}
} else {
/* If not enabled clear all flags */
if (!(dbg->control & KVM_GUESTDBG_ENABLE)) {
vcpu->guest_debug = 0;
vcpu_clear_flag(vcpu, DBG_SS_ACTIVE_PENDING);
return 0;
}
out:
return ret;
vcpu->guest_debug = dbg->control;
/* Hardware assisted Break and Watch points */
if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW)
vcpu->arch.external_debug_state = dbg->arch;
return 0;
}
int kvm_arm_vcpu_arch_set_attr(struct kvm_vcpu *vcpu,