Re: [PATCH v7 23/36] x86, realmode: Decrypt trampoline area if memory encryption is active
From: Borislav Petkov
Date: Wed Jun 21 2017 - 05:43:48 EST
On Fri, Jun 16, 2017 at 01:54:12PM -0500, Tom Lendacky wrote:
> When Secure Memory Encryption is enabled, the trampoline area must not
> be encrypted. A CPU running in real mode will not be able to decrypt
> memory that has been encrypted because it will not be able to use addresses
> with the memory encryption mask.
> Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
> arch/x86/realmode/init.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
Subject: x86/realmode: ...
other than that:
Reviewed-by: Borislav Petkov <bp@xxxxxxx>
Good mailing practices for 400: avoid top-posting and trim the reply.