linux-kernel - Re: [PATCH v2] powerpc: kvm: Change return type to vm_fault

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Message-ID: <CAFqt6zbxWkOQXtKZXyDae=ZEQR+d0xf42fvnvUoBSHQZcHRCBg@mail.gmail.com>
Date:   Wed, 16 May 2018 10:11:11 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     paulus@...abs.org, benh@...nel.crashing.org, mpe@...erman.id.au,
        Matthew Wilcox <willy@...radead.org>
Cc:     kvm-ppc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] powerpc: kvm: Change return type to vm_fault_t

On Thu, May 10, 2018 at 11:57 PM, Souptick Joarder <jrdr.linux@...il.com> wrote:
> Use new return type vm_fault_t for fault handler
> in struct vm_operations_struct. 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@...il.com>
> ---
> v2: Updated the change log
>
>  arch/powerpc/kvm/book3s_64_vio.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
> index 4dffa61..346ac0d 100644
> --- a/arch/powerpc/kvm/book3s_64_vio.c
> +++ b/arch/powerpc/kvm/book3s_64_vio.c
> @@ -237,7 +237,7 @@ static void release_spapr_tce_table(struct rcu_head *head)
>         kfree(stt);
>  }
>
> -static int kvm_spapr_tce_fault(struct vm_fault *vmf)
> +static vm_fault_t kvm_spapr_tce_fault(struct vm_fault *vmf)
>  {
>         struct kvmppc_spapr_tce_table *stt = vmf->vma->vm_file->private_data;
>         struct page *page;
> --
> 1.9.1
>

If no comment, we would like to get this patch in queue
for 4.18.