Re: [PATCH 10/14] set_memory.h: provide set_memory_{en,de}crypted stubs

From: Tom Lendacky
Date: Mon Mar 19 2018 - 10:21:38 EST


On 3/19/2018 5:38 AM, Christoph Hellwig wrote:
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Reviewed-by: Tom Lendacky <thomas.lendacky@xxxxxxx>

> ---
> include/linux/set_memory.h | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/include/linux/set_memory.h b/include/linux/set_memory.h
> index e5140648f638..da5178216da5 100644
> --- a/include/linux/set_memory.h
> +++ b/include/linux/set_memory.h
> @@ -17,4 +17,16 @@ static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
> static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
> #endif
>
> +#ifndef CONFIG_ARCH_HAS_MEM_ENCRYPT
> +static inline int set_memory_encrypted(unsigned long addr, int numpages)
> +{
> + return 0;
> +}
> +
> +static inline int set_memory_decrypted(unsigned long addr, int numpages)
> +{
> + return 0;
> +}
> +#endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */
> +
> #endif /* _LINUX_SET_MEMORY_H_ */
>