linux-kernel - Re: [PATCH v12 04/19] x86: Secure Launch main header file

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Message-ID: <8e3898d1-9d8d-45e1-a23e-74094a7e01a5@oracle.com>
Date: Fri, 7 Mar 2025 11:46:59 -0800
From: ross.philipson@...cle.com
To: Jarkko Sakkinen <jarkko@...nel.org>
Cc: linux-kernel@...r.kernel.org, x86@...nel.org,
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Subject: Re: [PATCH v12 04/19] x86: Secure Launch main header file

On 3/7/25 11:37 AM, 'Jarkko Sakkinen' via trenchboot-devel wrote:
> On Fri, Mar 07, 2025 at 11:25:20AM -0800, ross.philipson@...cle.com wrote:
>> On 3/6/25 9:34 PM, 'Jarkko Sakkinen' via trenchboot-devel wrote:
>>> On Thu, Dec 19, 2024 at 11:42:01AM -0800, Ross Philipson wrote:
>>>> Introduce the main Secure Launch header file used in the early SL stub
>>>> and the early setup code.
>>>
>>> Just would need a *short* description of what slaunch.h holds. I guess
>>> it holds Intel TXT micro-arhitectural data structures? Anything else?
>>
>> Later it will contain data strutures etc. to support other architectures
>> like AMD and Arm64.
>>
>>>
>>> This helps e.g. reviewers to skip some but still keep on track what a
>>> patch contains (and return back to it when necessary).
>>
>> Yes we can make it clearer what is in this header file.
> 
> As per code changes I did spend two hours reading them just to make sure
> that I can understand the TPM specific code changes, and also that they
> make total sense to me.
> 
> Therefore I've put a lot the nagging is around documentation and
> definitions. I really could not find anything in the source code that I
> could pinpoint being absolutely wrong.

Yes agreed.

> 
> This really needs just now the stamp from tip maintainers. As per TPM
> changes they do have my blessing (no need for reviewed-by's as they
> have SOB already). I hereby also give permission to pull TPM changes
> through tip tree...

Thank you for that, we appreciate it.

Ross

> 
>> Thanks
>> Ross
> 
> BR, Jarkko
>