Re: [PATCH v4 1/6] arm/arm64/xen: hypercall.h add includes guards

[Julien Grall]

Hi,

On 04/12/2019 23:20, Pavel Tatashin wrote:
> The arm and arm64 versions of hypercall.h are missing the include
> guards. This is needed because C inlines for privcmd_call are going to
> be added to the files.
>
> Also fix a comment.
>
> Signed-off-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
> ---
>   arch/arm/include/asm/assembler.h       | 2 +-
>   arch/arm/include/asm/xen/hypercall.h   | 4 ++++
>   arch/arm64/include/asm/xen/hypercall.h | 4 ++++
>   include/xen/arm/hypercall.h            | 6 +++---
>   4 files changed, 12 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
> index 99929122dad7..8e9262a0f016 100644
> --- a/arch/arm/include/asm/assembler.h
> +++ b/arch/arm/include/asm/assembler.h
> @@ -480,7 +480,7 @@ THUMB(	orr	\reg , \reg , #PSR_T_BIT	)
>   	.macro	uaccess_disable, tmp, isb=1
>   #ifdef CONFIG_CPU_SW_DOMAIN_PAN
>   	/*
> -	 * Whenever we re-enter userspace, the domains should always be
> +	 * Whenever we re-enter kernel, the domains should always be

This feels unrelated from the rest of the patch and probably want an 
explanation. So I think this want to be in a separate patch.

The rest of the patch looks good to me.

Cheers,

--
Julien Grall