Re: [PATCH V3 12/30] x86/sgx: Export sgx_encl_{grow,shrink}()

[Jarkko Sakkinen]

On Mon, Apr 04, 2022 at 09:49:20AM -0700, Reinette Chatre wrote:
> In order to use sgx_encl_{grow,shrink}() in the page augmentation code
> located in encl.c, export these functions.
> 
> Suggested-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
> Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
> ---
> Changes since V2:
> - New patch.
> 
>  arch/x86/kernel/cpu/sgx/encl.h  | 2 ++
>  arch/x86/kernel/cpu/sgx/ioctl.c | 4 ++--
>  2 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h
> index 07abfc70c8e3..9d673d9531f0 100644
> --- a/arch/x86/kernel/cpu/sgx/encl.h
> +++ b/arch/x86/kernel/cpu/sgx/encl.h
> @@ -120,5 +120,7 @@ bool sgx_va_page_full(struct sgx_va_page *va_page);
>  void sgx_encl_free_epc_page(struct sgx_epc_page *page);
>  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);
> +void sgx_encl_shrink(struct sgx_encl *encl, struct sgx_va_page *va_page);
>  
>  #endif /* _X86_ENCL_H */
> diff --git a/arch/x86/kernel/cpu/sgx/ioctl.c b/arch/x86/kernel/cpu/sgx/ioctl.c
> index 0c211af8e948..746acddbb774 100644
> --- a/arch/x86/kernel/cpu/sgx/ioctl.c
> +++ b/arch/x86/kernel/cpu/sgx/ioctl.c
> @@ -17,7 +17,7 @@
>  #include "encl.h"
>  #include "encls.h"
>  
> -static struct sgx_va_page *sgx_encl_grow(struct sgx_encl *encl)
> +struct sgx_va_page *sgx_encl_grow(struct sgx_encl *encl)
>  {
>  	struct sgx_va_page *va_page = NULL;
>  	void *err;
> @@ -43,7 +43,7 @@ static struct sgx_va_page *sgx_encl_grow(struct sgx_encl *encl)
>  	return va_page;
>  }
>  
> -static void sgx_encl_shrink(struct sgx_encl *encl, struct sgx_va_page *va_page)
> +void sgx_encl_shrink(struct sgx_encl *encl, struct sgx_va_page *va_page)
>  {
>  	encl->page_cnt--;
>  
> -- 
> 2.25.1
> 

Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>

BR, Jarkko