linux-kernel - Re: [PATCH 01/11] media: tm6000: fix potential Spectre variant 1

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Message-ID: <df8010f1-6051-7ff4-5f0e-4a436e900ec5@embeddedor.com>
Date:   Mon, 14 May 2018 22:31:37 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/11] media: tm6000: fix potential Spectre variant 1

Hi Mauro,

On 04/26/2018 06:42 PM, Mauro Carvalho Chehab wrote:

>>
>> I noticed you changed the status of this series from rejected to new.
> 
> Yes.
> 
>> Also, there are other similar issues in media/pci/
> 
> Well, the issues will be there everywhere on all media drivers.
> 
> I marked your patches because I need to study it carefully, after
> Peter's explanations. My plan is to do it next week. Still not
> sure if the approach you took is the best one or not.
> 
> As I said, one possibility is to change the way v4l2-core handles
> VIDIOC_ENUM_foo ioctls, but that would be make harder to -stable
> backports.
> 
> I need a weekend to sleep on it.
> 

I'm curious about how you finally resolved to handle these issues.

I noticed Smatch is no longer reporting them.

Thanks
--
Gustavo