Re: [PATCH v4 14/75] x86/boot/compressed/64: Add page-fault handler

[Kees Cook]

On Tue, Jul 14, 2020 at 02:08:16PM +0200, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@xxxxxxx>
> 
> Install a page-fault handler to add an identity mapping to addresses
> not yet mapped. Also do some checking whether the error code is sane.
> 
> This makes non SEV-ES machines use the exception handling
> infrastructure in the pre-decompressions boot code too, making it less
> likely to break in the future.
> 
> Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

-- 
Kees Cook