linux-kernel - [PATCH 05/13] KVM: monolithic: add more section prefixes

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Date:   Mon,  4 Nov 2019 17:59:53 -0500
From:   Andrea Arcangeli <aarcange@...hat.com>
To:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>
Subject: [PATCH 05/13] KVM: monolithic: add more section prefixes

Add more section prefixes because with the monolithic KVM model the
section checker can now do a more accurate static analysis at build
time and this allows to build without
CONFIG_SECTION_MISMATCH_WARN_ONLY=n.

Signed-off-by: Andrea Arcangeli <aarcange@...hat.com>
---
 arch/powerpc/kvm/book3s.c | 2 +-
 arch/x86/kvm/x86.c        | 4 ++--
 include/linux/kvm_host.h  | 8 ++++----
 virt/kvm/arm/arm.c        | 2 +-
 virt/kvm/kvm_main.c       | 6 +++---
 5 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index ec2547cc5ecb..e80e9504722a 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -1067,7 +1067,7 @@ int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin)
 
 #endif /* CONFIG_KVM_XICS */
 
-static int kvmppc_book3s_init(void)
+static __init int kvmppc_book3s_init(void)
 {
 	int r;
 
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fb963e6b2e54..5e98fa6b7bf8 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9272,7 +9272,7 @@ void kvm_arch_hardware_disable(void)
 	drop_user_return_notifiers();
 }
 
-int kvm_arch_hardware_setup(void)
+__init int kvm_arch_hardware_setup(void)
 {
 	int r;
 
@@ -9303,7 +9303,7 @@ void kvm_arch_hardware_unsetup(void)
 	kvm_x86_hardware_unsetup();
 }
 
-int kvm_arch_check_processor_compat(void)
+__init int kvm_arch_check_processor_compat(void)
 {
 	return kvm_x86_check_processor_compatibility();
 }
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 719fc3e15ea4..426bc2f485a9 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -616,8 +616,8 @@ static inline void kvm_irqfd_exit(void)
 {
 }
 #endif
-int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
-		  struct module *module);
+__init int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
+		    struct module *module);
 void kvm_exit(void);
 
 void kvm_get_kvm(struct kvm *kvm);
@@ -867,9 +867,9 @@ void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu);
 
 int kvm_arch_hardware_enable(void);
 void kvm_arch_hardware_disable(void);
-int kvm_arch_hardware_setup(void);
+__init int kvm_arch_hardware_setup(void);
 void kvm_arch_hardware_unsetup(void);
-int kvm_arch_check_processor_compat(void);
+__init int kvm_arch_check_processor_compat(void);
 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
 bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu);
 int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu);
diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
index 86c6aa1cb58e..65f7f0f6868d 100644
--- a/virt/kvm/arm/arm.c
+++ b/virt/kvm/arm/arm.c
@@ -1726,7 +1726,7 @@ void kvm_arch_exit(void)
 	kvm_perf_teardown();
 }
 
-static int arm_init(void)
+static __init int arm_init(void)
 {
 	int rc = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
 	return rc;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index d6f0696d98ef..1b7fbd138406 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -4246,13 +4246,13 @@ static void kvm_sched_out(struct preempt_notifier *pn,
 	kvm_arch_vcpu_put(vcpu);
 }
 
-static void check_processor_compat(void *rtn)
+static __init void check_processor_compat(void *rtn)
 {
 	*(int *)rtn = kvm_arch_check_processor_compat();
 }
 
-int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
-		  struct module *module)
+__init int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
+		    struct module *module)
 {
 	int r;
 	int cpu;