On 18/04/2018 21:19, Souptick Joarder wrote:
> 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 <jrdr.linux@xxxxxxxxx>
> Reviewed-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
> ---
> 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 2549fdd..03e0e0f 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 403e642..3099dee 100644
> --- a/arch/powerpc/kvm/powerpc.c
> +++ b/arch/powerpc/kvm/powerpc.c
> @@ -1825,7 +1825,7 @@ 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 ba4c709..24af487 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -3941,7 +3941,7 @@ 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 c8a0b54..95d8102 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -3827,7 +3827,7 @@ 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 ac0062b..8eeb062 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -736,7 +736,7 @@ 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 86941f6..6c8cc31 100644
> --- a/virt/kvm/arm/arm.c
> +++ b/virt/kvm/arm/arm.c
> @@ -163,7 +163,7 @@ 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 4501e65..45eb54b 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -2341,7 +2341,7 @@ 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;
> --
> 1.9.1
>
Applied, thanks.
Paolo
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