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From: "Radim Krčmář" <rkrcmar@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
	Steve Rutherford <srutherford@google.com>,
	stable@vger.kernel.org
Subject: [PATCH 1/2] KVM: x86: return bool from x86_ops.sync_pir_to_irr
Date: Thu, 13 Aug 2015 15:46:09 +0200	[thread overview]
Message-ID: <1439473570-13763-2-git-send-email-rkrcmar@redhat.com> (raw)
In-Reply-To: <1439473570-13763-1-git-send-email-rkrcmar@redhat.com>

True means that we have added PIR to IRR.

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
---
 arch/x86/include/asm/kvm_host.h |  2 +-
 arch/x86/kvm/svm.c              |  4 ++--
 arch/x86/kvm/vmx.c              | 12 +++++++-----
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 09acaa64ef8e..b73696b59d77 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -831,7 +831,7 @@ struct kvm_x86_ops {
 	void (*set_virtual_x2apic_mode)(struct kvm_vcpu *vcpu, bool set);
 	void (*set_apic_access_page_addr)(struct kvm_vcpu *vcpu, hpa_t hpa);
 	void (*deliver_posted_interrupt)(struct kvm_vcpu *vcpu, int vector);
-	void (*sync_pir_to_irr)(struct kvm_vcpu *vcpu);
+	bool (*sync_pir_to_irr)(struct kvm_vcpu *vcpu);
 	int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
 	int (*get_tdp_level)(void);
 	u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio);
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 189e46479dd5..cd4ad20951c4 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3758,9 +3758,9 @@ static void svm_load_eoi_exitmap(struct kvm_vcpu *vcpu)
 	return;
 }
 
-static void svm_sync_pir_to_irr(struct kvm_vcpu *vcpu)
+static bool svm_sync_pir_to_irr(struct kvm_vcpu *vcpu)
 {
-	return;
+	return false;
 }
 
 static int svm_nmi_allowed(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 4cf25b90dbe0..e3ae8c236cca 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -817,7 +817,7 @@ static void vmx_get_segment(struct kvm_vcpu *vcpu,
 			    struct kvm_segment *var, int seg);
 static bool guest_state_valid(struct kvm_vcpu *vcpu);
 static u32 vmx_segment_access_rights(struct kvm_segment *var);
-static void vmx_sync_pir_to_irr_dummy(struct kvm_vcpu *vcpu);
+static bool vmx_sync_pir_to_irr_dummy(struct kvm_vcpu *vcpu);
 static void copy_vmcs12_to_shadow(struct vcpu_vmx *vmx);
 static void copy_shadow_to_vmcs12(struct vcpu_vmx *vmx);
 static int alloc_identity_pagetable(struct kvm *kvm);
@@ -4430,19 +4430,21 @@ static void vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector)
 		kvm_vcpu_kick(vcpu);
 }
 
-static void vmx_sync_pir_to_irr(struct kvm_vcpu *vcpu)
+static bool vmx_sync_pir_to_irr(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
 
 	if (!pi_test_and_clear_on(&vmx->pi_desc))
-		return;
+		return false;
 
 	kvm_apic_update_irr(vcpu, vmx->pi_desc.pir);
+
+	return true;
 }
 
-static void vmx_sync_pir_to_irr_dummy(struct kvm_vcpu *vcpu)
+static bool vmx_sync_pir_to_irr_dummy(struct kvm_vcpu *vcpu)
 {
-	return;
+	return false;
 }
 
 /*
-- 
2.5.0


  reply	other threads:[~2015-08-13 13:46 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-13 13:46 [PATCH 0/2] KVM: x86: fix edge EOI and IOAPIC reconfig race Radim Krčmář
2015-08-13 13:46 ` Radim Krčmář [this message]
2015-08-13 13:46 ` [PATCH 2/2] " Radim Krčmář
2015-08-13 14:53   ` Paolo Bonzini
2015-08-14  8:38     ` Radim Krčmář
2015-08-15  0:00       ` Paolo Bonzini
2015-10-06 20:33         ` Radim Krčmář
2015-10-07  9:31           ` Paolo Bonzini
2015-10-07 15:05             ` Radim Krčmář
2015-10-07  9:29   ` Paolo Bonzini
2015-10-07 15:01     ` Radim Krčmář

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