Re: [PATCH] net: core: Fix Spectre v1 vulnerability

From: David Miller
Date: Sun Dec 23 2018 - 18:58:44 EST


From: Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx>
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.