Re: [RFC PATCH v3 1/4] x86/sgx: Export sgx_encl_eaug_page

[Jarkko Sakkinen <jarkko@kernel.org>]

On Mon, Nov 07, 2022 at 02:02:09PM -0800, Haitao Huang wrote:
> This function will be called by both the page fault handler
> and the fops->fadvise callback.
> 
> Signed-off-by: Haitao Huang <haitao.huang@linux.intel.com>
> ---
>  arch/x86/kernel/cpu/sgx/encl.c | 4 ++--
>  arch/x86/kernel/cpu/sgx/encl.h | 2 ++
>  2 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c
> index 8bdeae2fc309..1abc5e7f2660 100644
> --- a/arch/x86/kernel/cpu/sgx/encl.c
> +++ b/arch/x86/kernel/cpu/sgx/encl.c
> @@ -308,8 +308,8 @@ struct sgx_encl_page *sgx_encl_load_page(struct sgx_encl *encl,
>   * Returns: Appropriate vm_fault_t: VM_FAULT_NOPAGE when PTE was installed
>   * successfully, VM_FAULT_SIGBUS or VM_FAULT_OOM as error otherwise.
>   */
> -static vm_fault_t sgx_encl_eaug_page(struct vm_area_struct *vma,
> -				     struct sgx_encl *encl, unsigned long addr)
> +vm_fault_t sgx_encl_eaug_page(struct vm_area_struct *vma,
> +			      struct sgx_encl *encl, unsigned long addr)
>  {
>  	vm_fault_t vmret = VM_FAULT_SIGBUS;
>  	struct sgx_pageinfo pginfo = {0};
> diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h
> index a65a952116fd..557d4abb13fc 100644
> --- a/arch/x86/kernel/cpu/sgx/encl.h
> +++ b/arch/x86/kernel/cpu/sgx/encl.h
> @@ -127,5 +127,7 @@ struct sgx_encl_page *sgx_encl_load_page(struct sgx_encl *encl,
>  					 unsigned long addr);
>  struct sgx_va_page *sgx_encl_grow(struct sgx_encl *encl, bool reclaim);
>  void sgx_encl_shrink(struct sgx_encl *encl, struct sgx_va_page *va_page);
> +vm_fault_t sgx_encl_eaug_page(struct vm_area_struct *vma,
> +			      struct sgx_encl *encl, unsigned long addr);
>  
>  #endif /* _X86_ENCL_H */
> -- 
> 2.25.1
> 

Acked-by: Jarkko Sakkinen <jarkko@kernel.org>

BR, Jarkko