linux-kernel - [PATCH 3.12 28/63] ARM: KVM: fix non-VGIC compilation

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Message-Id: <7693fb0246759b4cbb7e7d3ffad4b41667fae9bd.1430387326.git.jslaby@suse.cz>
Date:	Thu, 30 Apr 2015 14:11:57 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Marc Zyngier <marc.zyngier@....com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Christoffer Dall <christoffer.dall@...aro.org>,
	Shannon Zhao <shannon.zhao@...aro.org>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 28/63] ARM: KVM: fix non-VGIC compilation

From: Marc Zyngier <marc.zyngier@....com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 6cbde8253a8143ada18ec0d1711230747a7c1934 upstream.

Add a stub for kvm_vgic_addr when compiling without
CONFIG_KVM_ARM_VGIC. The usefulness of this configurarion is extremely
doubtful, but let's fix it anyway (until we decide that we'll always
support a VGIC).

Reported-by: Michele Paolino <m.paolino@...tualopensystems.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>
Cc: Christoffer Dall <christoffer.dall@...aro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@....com>
Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
Signed-off-by: Shannon Zhao <shannon.zhao@...aro.org>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 include/kvm/arm_vgic.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 7e2d15837b02..a15ae2a820b9 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -171,6 +171,11 @@ static inline int kvm_vgic_set_addr(struct kvm *kvm, unsigned long type, u64 add
 	return 0;
 }
 
+static inline int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write)
+{
+	return -ENXIO;
+}
+
 static inline int kvm_vgic_init(struct kvm *kvm)
 {
 	return 0;
-- 
2.3.5

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