linux-kernel - Re: [PATCH] x86/speculation: Add document to describe Spectre and its mitigations

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Message-ID: <aed62eaa-93b4-8dc5-1920-6a5547e349c8@linux.intel.com>
Date:   Tue, 8 Jan 2019 13:18:05 -0800
From:   Tim Chen <tim.c.chen@...ux.intel.com>
To:     Jonathan Corbet <corbet@....net>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Jiri Kosina <jikos@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Tom Lendacky <thomas.lendacky@....com>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        David Woodhouse <dwmw@...zon.co.uk>,
        Andi Kleen <ak@...ux.intel.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Asit Mallick <asit.k.mallick@...el.com>,
        Arjan van de Ven <arjan@...ux.intel.com>,
        Jon Masters <jcm@...hat.com>,
        Waiman Long <longman9394@...il.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Borislav Petkov <bp@...en8.de>, linux-kernel@...r.kernel.org,
        x86@...nel.org, stable@...r.kernel.org
Subject: Re: [PATCH] x86/speculation: Add document to describe Spectre and its
 mitigations

On 12/28/18 9:34 AM, Jonathan Corbet wrote:

>>
>> Signed-off-by: Andi Kleen <ak@...ux.intel.com>
>> Signed-off-by: Tim Chen <tim.c.chen@...ux.intel.com>
>> ---
>>  Documentation/admin-guide/spectre.rst | 502 ++++++++++++++++++++++++++++++++++
>>  1 file changed, 502 insertions(+)
>>  create mode 100644 Documentation/admin-guide/spectre.rst
> 
> I only saw this now, seems I wasn't copied... I'll take a deeper look, but

Thanks for taking a look.  I'll make sure you are copied on the updates.

> I have a couple of meta comments:
> 
>  - This could arguably go in the security book rather than the admin
>    guide.  I don't really have a strong opinion on which is right at the
>    moment, but others might.

Since l1tf.rst is already here in admin guide, that's why I keep spectre.rst here as well.

> 
>  - Wherever it ends up, can you also please add it to the appropriate
>    index.rst file so it actually gets built with the rest of the docs?

Yes, index.rst needs update too.

Thanks.

Tim