From: Peter Xu <peterx@redhat.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: Nitesh Narayan Lal <nitesh@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <sean.j.christopherson@intel.com>,
peterx@redhat.com, Vitaly Kuznetsov <vkuznets@redhat.com>
Subject: [PATCH v5 5/6] KVM: X86: Fix callers of kvm_apic_match_dest() to use correct macros
Date: Wed, 4 Dec 2019 14:07:20 -0500 [thread overview]
Message-ID: <20191204190721.29480-6-peterx@redhat.com> (raw)
In-Reply-To: <20191204190721.29480-1-peterx@redhat.com>
Callers of kvm_apic_match_dest() should always pass in APIC_DEST_*
macros for either dest_mode and short_hand parameters. Fix up all the
callers of kvm_apic_match_dest() that are not following the rule.
Since at it, rename the parameter from short_hand to shorthand in
kvm_apic_match_dest(), as suggested by Vitaly.
Reported-by: Sean Christopherson <sean.j.christopherson@intel.com>
Reported-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
---
arch/x86/kvm/ioapic.c | 11 +++++++----
arch/x86/kvm/irq_comm.c | 3 ++-
arch/x86/kvm/lapic.c | 4 ++--
arch/x86/kvm/lapic.h | 2 +-
4 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c
index e623a4f8d27e..f53daeaaeb37 100644
--- a/arch/x86/kvm/ioapic.c
+++ b/arch/x86/kvm/ioapic.c
@@ -108,8 +108,9 @@ static void __rtc_irq_eoi_tracking_restore_one(struct kvm_vcpu *vcpu)
union kvm_ioapic_redirect_entry *e;
e = &ioapic->redirtbl[RTC_GSI];
- if (!kvm_apic_match_dest(vcpu, NULL, 0, e->fields.dest_id,
- e->fields.dest_mode))
+ if (!kvm_apic_match_dest(vcpu, NULL, APIC_DEST_NOSHORT,
+ e->fields.dest_id,
+ kvm_lapic_irq_dest_mode(!!e->fields.dest_mode)))
return;
new_val = kvm_apic_pending_eoi(vcpu, e->fields.vector);
@@ -250,8 +251,10 @@ void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, ulong *ioapic_handled_vectors)
if (e->fields.trig_mode == IOAPIC_LEVEL_TRIG ||
kvm_irq_has_notifier(ioapic->kvm, KVM_IRQCHIP_IOAPIC, index) ||
index == RTC_GSI) {
- if (kvm_apic_match_dest(vcpu, NULL, 0,
- e->fields.dest_id, e->fields.dest_mode) ||
+ u16 dm = kvm_lapic_irq_dest_mode(!!e->fields.dest_mode);
+
+ if (kvm_apic_match_dest(vcpu, NULL, APIC_DEST_NOSHORT,
+ e->fields.dest_id, dm) ||
kvm_apic_pending_eoi(vcpu, e->fields.vector))
__set_bit(e->fields.vector,
ioapic_handled_vectors);
diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c
index 22108ed66a76..7d083f71fc8e 100644
--- a/arch/x86/kvm/irq_comm.c
+++ b/arch/x86/kvm/irq_comm.c
@@ -417,7 +417,8 @@ void kvm_scan_ioapic_routes(struct kvm_vcpu *vcpu,
kvm_set_msi_irq(vcpu->kvm, entry, &irq);
- if (irq.level && kvm_apic_match_dest(vcpu, NULL, 0,
+ if (irq.level &&
+ kvm_apic_match_dest(vcpu, NULL, APIC_DEST_NOSHORT,
irq.dest_id, irq.dest_mode))
__set_bit(irq.vector, ioapic_handled_vectors);
}
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 805c18178bbf..679692b55f6d 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -789,13 +789,13 @@ static u32 kvm_apic_mda(struct kvm_vcpu *vcpu, unsigned int dest_id,
}
bool kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source,
- int short_hand, unsigned int dest, int dest_mode)
+ int shorthand, unsigned int dest, int dest_mode)
{
struct kvm_lapic *target = vcpu->arch.apic;
u32 mda = kvm_apic_mda(vcpu, dest, source, target);
ASSERT(target);
- switch (short_hand) {
+ switch (shorthand) {
case APIC_DEST_NOSHORT:
if (dest_mode == APIC_DEST_PHYSICAL)
return kvm_apic_match_physical_addr(target, mda);
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
index 5a9f29ed9a4b..ec730ce7a344 100644
--- a/arch/x86/kvm/lapic.h
+++ b/arch/x86/kvm/lapic.h
@@ -83,7 +83,7 @@ int kvm_lapic_reg_write(struct kvm_lapic *apic, u32 reg, u32 val);
int kvm_lapic_reg_read(struct kvm_lapic *apic, u32 offset, int len,
void *data);
bool kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source,
- int short_hand, unsigned int dest, int dest_mode);
+ int shorthand, unsigned int dest, int dest_mode);
int kvm_apic_compare_prio(struct kvm_vcpu *vcpu1, struct kvm_vcpu *vcpu2);
bool __kvm_apic_update_irr(u32 *pir, void *regs, int *max_irr);
bool kvm_apic_update_irr(struct kvm_vcpu *vcpu, u32 *pir, int *max_irr);
--
2.21.0
next prev parent reply other threads:[~2019-12-04 19:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-04 19:07 [PATCH v5 0/6] KVM: X86: Cleanups on dest_mode and headers Peter Xu
2019-12-04 19:07 ` [PATCH v5 1/6] KVM: X86: Fix kvm_bitmap_or_dest_vcpus() to use irq shorthand Peter Xu
2019-12-04 19:07 ` [PATCH v5 2/6] KVM: X86: Move irrelevant declarations out of ioapic.h Peter Xu
2019-12-04 19:07 ` [PATCH v5 3/6] KVM: X86: Use APIC_DEST_* macros properly in kvm_lapic_irq.dest_mode Peter Xu
2019-12-04 19:07 ` [PATCH v5 4/6] KVM: X86: Drop KVM_APIC_SHORT_MASK and KVM_APIC_DEST_MASK Peter Xu
2019-12-04 19:07 ` Peter Xu [this message]
2019-12-04 19:07 ` [PATCH v5 6/6] KVM: X86: Conert the last users of "shorthand = 0" to use macros Peter Xu
2019-12-05 12:43 ` [PATCH v5 0/6] KVM: X86: Cleanups on dest_mode and headers Paolo Bonzini
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