Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1671566 > unrolled thread

Re: [PATCH v7 23/36] x86, realmode: Decrypt trampoline area if memory encryption is active

Started byBorislav Petkov <bp@alien8.de>
First post2017-06-21 11:50 +0200
Last post2017-06-21 11:50 +0200
Articles 1 — 1 participant

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.


Contents

  Re: [PATCH v7 23/36] x86, realmode: Decrypt trampoline area if  memory encryption is active Borislav Petkov <bp@alien8.de> - 2017-06-21 11:50 +0200

#1671566 — Re: [PATCH v7 23/36] x86, realmode: Decrypt trampoline area if memory encryption is active

FromBorislav Petkov <bp@alien8.de>
Date2017-06-21 11:50 +0200
SubjectRe: [PATCH v7 23/36] x86, realmode: Decrypt trampoline area if memory encryption is active
Message-ID<tUKqS-4oF-9@gated-at.bofh.it>
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@amd.com>
> ---
>  arch/x86/realmode/init.c |    8 ++++++++
>  1 file changed, 8 insertions(+)

Subject: x86/realmode: ...

other than that:

Reviewed-by: Borislav Petkov <bp@suse.de>

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

[toc] | [standalone]


Back to top | Article view | linux.kernel


csiph-web