linux-kernel - [PATCH] kvm: fix warning for non-x86 builds

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Date:   Thu, 22 Feb 2018 13:04:39 +0100 (CET)
From:   Sebastian Ott <sebott@...ux.vnet.ibm.com>
To:     Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>
cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] kvm: fix warning for non-x86 builds

Fix the following sparse warning by moving the prototype
of kvm_arch_mmu_notifier_invalidate_range() to linux/kvm_host.h .

  CHECK   arch/s390/kvm/../../../virt/kvm/kvm_main.c
arch/s390/kvm/../../../virt/kvm/kvm_main.c:138:13: warning: symbol 'kvm_arch_mmu_notifier_invalidate_range' was not declared. Should it be static?

Signed-off-by: Sebastian Ott <sebott@...ux.vnet.ibm.com>
---
 arch/x86/include/asm/kvm_host.h | 3 ---
 include/linux/kvm_host.h        | 3 +++
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index dd6f57a54a26..0a9e330b34f0 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1464,7 +1464,4 @@ static inline int kvm_cpu_get_apicid(int mps_cpu)
 #define put_smstate(type, buf, offset, val)                      \
 	*(type *)((buf) + (offset) - 0x7e00) = val
 
-void kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm,
-		unsigned long start, unsigned long end);
-
 #endif /* _ASM_X86_KVM_HOST_H */
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ac0062b74aed..ed3d4ddbaff3 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1272,4 +1272,7 @@ static inline long kvm_arch_vcpu_async_ioctl(struct file *filp,
 }
 #endif /* CONFIG_HAVE_KVM_VCPU_ASYNC_IOCTL */
 
+void kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm,
+		unsigned long start, unsigned long end);
+
 #endif
-- 
2.13.4