linux-kernel - Re: [PATCH] net: core: Fix Spectre v1 vulnerability

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Message-ID: <31dc24bd-ef31-6db4-d1b7-10f9d6619843@embeddedor.com>
Date:   Sun, 23 Dec 2018 18:01:35 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     David Miller <davem@...emloft.net>, alexei.starovoitov@...il.com
Cc:     ast@...nel.org, daniel@...earbox.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: core: Fix Spectre v1 vulnerability



On 12/23/18 5:58 PM, David Miller wrote:
> From: Alexei Starovoitov <alexei.starovoitov@...il.com>
> Date: Sat, 22 Dec 2018 22:00:00 -0800
> 
>> On Sat, Dec 22, 2018 at 11:03:31PM -0600, Gustavo A. R. Silva wrote:
>>>> I took another look at the following patches:
>>>> "net: core: Fix Spectre v1 vulnerability"
>>>> "nfc: af_nfc: Fix Spectre v1 vulnerability"
>>>> "can: af_can: Fix Spectre v1 vulnerability"
>>>> and I have to say that none of them are necessary.
>>>> I'm not sure whether there were other patches that pretend to fix spectre1.
>   ...
>> in other words there is no bug and there is no vulnerability,
>> but there is a 'policy' set by ... ?
>> So hence Nack to the policy and Nack to the patches.
> 
> I have to agree with Alexei after looking at all of this stuff one more
> time.
> 
> I'm reverting all of these changes.
> 

Yeah. That's fine with me.

Thanks
--
Gustavo