From 1499fa809e9e6713952ef84a7e9d51606881681f Mon Sep 17 00:00:00 2001 From: Souptick Joarder Date: Thu, 19 Apr 2018 00:49:58 +0530 Subject: [PATCH] kvm: Change return type to vm_fault_t Use new return type vm_fault_t for fault handler. For now, this is just documenting that the function returns a VM_FAULT value rather than an errno. Once all instances are converted, vm_fault_t will become a distinct type. commit 1c8f422059ae ("mm: change return type to vm_fault_t") Signed-off-by: Souptick Joarder Reviewed-by: Matthew Wilcox Signed-off-by: Paolo Bonzini --- arch/mips/kvm/mips.c | 2 +- arch/powerpc/kvm/powerpc.c | 2 +- arch/s390/kvm/kvm-s390.c | 2 +- arch/x86/kvm/x86.c | 2 +- include/linux/kvm_host.h | 2 +- virt/kvm/arm/arm.c | 2 +- virt/kvm/kvm_main.c | 2 +- 7 files changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 2549fdd27ee1..03e0e0f189cc 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -1076,7 +1076,7 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) return -ENOIOCTLCMD; } -int kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) +vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) { return VM_FAULT_SIGBUS; } diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 4e387647b5af..3764d000872e 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1830,7 +1830,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp, return r; } -int kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) +vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) { return VM_FAULT_SIGBUS; } diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index e521f7699032..7142508ca6e1 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -3993,7 +3993,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp, return r; } -int kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) +vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) { #ifdef CONFIG_KVM_S390_UCONTROL if ((vmf->pgoff == KVM_S390_SIE_PAGE_OFFSET) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 22bd20fedd6d..1d3dfc2c941d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3966,7 +3966,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp, return r; } -int kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) +vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) { return VM_FAULT_SIGBUS; } diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index b81769a5a2b7..bca28637bcd4 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -739,7 +739,7 @@ long kvm_arch_dev_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); long kvm_arch_vcpu_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); -int kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf); +vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf); int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext); diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c index 126b98fbf9ba..3d92214c5038 100644 --- a/virt/kvm/arm/arm.c +++ b/virt/kvm/arm/arm.c @@ -165,7 +165,7 @@ int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu) return 0; } -int kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) +vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) { return VM_FAULT_SIGBUS; } diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index c5f6a552e486..8938c9e553df 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2358,7 +2358,7 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) } EXPORT_SYMBOL_GPL(kvm_vcpu_on_spin); -static int kvm_vcpu_fault(struct vm_fault *vmf) +static vm_fault_t kvm_vcpu_fault(struct vm_fault *vmf) { struct kvm_vcpu *vcpu = vmf->vma->vm_file->private_data; struct page *page; -- GitLab