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From: "Fabio Estevam" <festevam@gmail.com>
Date: Thu, 10 Jun 2021 17:14:06 -0300
Message-ID: <CAOMZO5AAduJ-_0vpAEmbJcJNSjVQK55E59hFE3gYM8fdnYkHQQ@mail.gmail.com>
Subject: Re: [meta-freescale] Safe to upgrade to a Community BSP?
To: Val Kondratenko <valeriy.kondratenko@jci.com>
Cc: "meta-freescale@lists.yoctoproject.org" <meta-freescale@lists.yoctoproject.org>
Content-Type: text/plain; charset="UTF-8"

Hi Val,

On Thu, Jun 10, 2021 at 9:34 AM Val Kondratenko
<valeriy.kondratenko@jci.com> wrote:
> I recently got tasked with upgrading linux kernel (which we get from freescale), to fix some vulnerabilities.
>
> I am new to this, with all engineers with previous experience in this area no longer with company.
>
> To fix the vulnerabilities, will need to upgrade to kernel rev 5.12.
>
> Noticed that only a community branch of this (5.12.x+fslc) is available.   Latest freescale (imx) releases/branches are still at 5.4.
>
> I do so, my organization has previously used on freescale/imx releases.
>
> Is it generally safe to use the community releases?  Have their problems with bugs/instabilities with them?

Yes, it is a good approach to move to a mainline kernel.

One important aspect to consider is what is the i.MX SoC that you are using.

imx28/imx5/imx6/imx7 have decent support in the upstream kernel.
imx8m/imx8mm are getting better.

imx8qxp has a minimum support upstream in 5.12.