Re: [RFC PATCH v2 08/26] x86/sgx: Expose SGX architectural definitions to the kernel

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On Mon, Jan 18, 2021 at 04:27:49PM +1300, Kai Huang wrote:
> From: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
> 
> KVM will use many of the architectural constants and structs to
> virtualize SGX.

"Expose SGX architectural structures, as ..."

> Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
> Signed-off-by: Kai Huang <kai.huang@xxxxxxxxx>
> ---
>  arch/x86/{kernel/cpu/sgx/arch.h => include/asm/sgx_arch.h} | 0
>  arch/x86/kernel/cpu/sgx/encl.c                             | 2 +-
>  arch/x86/kernel/cpu/sgx/sgx.h                              | 2 +-
>  tools/testing/selftests/sgx/defines.h                      | 2 +-
>  4 files changed, 3 insertions(+), 3 deletions(-)
>  rename arch/x86/{kernel/cpu/sgx/arch.h => include/asm/sgx_arch.h} (100%)
> 
> diff --git a/arch/x86/kernel/cpu/sgx/arch.h b/arch/x86/include/asm/sgx_arch.h
> similarity index 100%
> rename from arch/x86/kernel/cpu/sgx/arch.h
> rename to arch/x86/include/asm/sgx_arch.h
> diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c
> index a78b71447771..68941c349cfe 100644
> --- a/arch/x86/kernel/cpu/sgx/encl.c
> +++ b/arch/x86/kernel/cpu/sgx/encl.c
> @@ -7,7 +7,7 @@
>  #include <linux/shmem_fs.h>
>  #include <linux/suspend.h>
>  #include <linux/sched/mm.h>
> -#include "arch.h"
> +#include <asm/sgx_arch.h>
>  #include "encl.h"
>  #include "encls.h"
>  #include "sgx.h"
> diff --git a/arch/x86/kernel/cpu/sgx/sgx.h b/arch/x86/kernel/cpu/sgx/sgx.h
> index 5fa42d143feb..509f2af33e1d 100644
> --- a/arch/x86/kernel/cpu/sgx/sgx.h
> +++ b/arch/x86/kernel/cpu/sgx/sgx.h
> @@ -8,7 +8,7 @@
>  #include <linux/rwsem.h>
>  #include <linux/types.h>
>  #include <asm/asm.h>
> -#include "arch.h"
> +#include <asm/sgx_arch.h>
>  
>  #undef pr_fmt
>  #define pr_fmt(fmt) "sgx: " fmt
> diff --git a/tools/testing/selftests/sgx/defines.h b/tools/testing/selftests/sgx/defines.h
> index 592c1ccf4576..4dd39a003f40 100644
> --- a/tools/testing/selftests/sgx/defines.h
> +++ b/tools/testing/selftests/sgx/defines.h
> @@ -14,7 +14,7 @@
>  #define __aligned(x) __attribute__((__aligned__(x)))
>  #define __packed __attribute__((packed))
>  
> -#include "../../../../arch/x86/kernel/cpu/sgx/arch.h"
> +#include "../../../../arch/x86/include/asm/sgx_arch.h"
>  #include "../../../../arch/x86/include/asm/enclu.h"
>  #include "../../../../arch/x86/include/uapi/asm/sgx.h"
>  
> -- 
> 2.29.2
> 
> 

/Jarkko



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