linux-kernel - Re: [PATCH V2 0/2] remoteproc: elf: ignore PT

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Date:   Wed, 13 Apr 2022 11:28:13 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc:     bjorn.andersson@...aro.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com, linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        shengjiu.wang@....com, Peng Fan <peng.fan@....com>
Subject: Re: [PATCH V2 0/2] remoteproc: elf: ignore PT_LOAD type segment with
 memsz as 0

On Wed, Apr 13, 2022 at 11:30:36AM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> V2:
>  Add R-b/A-b tag
>  Drop inaccurate comment in patch 1
> 
> i.MX DSP firmware has segments with PT_LOAD and memsz/filesz as zero.
> It is valid case the memsz set to zero according to elf spec:
> https://refspecs.linuxbase.org/elf/elf.pdf page 40
> 
> So we could let remoteproc elf loader handle this case, then no
> duplicate code in imx dsp rproc driver
> 
> Tested i.MX8MP DSP and M7 remoteproc
> 
> Peng Fan (2):
>   remoteproc: elf_loader: skip segment with memsz as zero
>   remoteproc: imx_dsp_rproc: use common rproc_elf_load_segments
> 
>  drivers/remoteproc/imx_dsp_rproc.c         | 95 +---------------------
>  drivers/remoteproc/remoteproc_elf_loader.c |  2 +-
>  2 files changed, 2 insertions(+), 95 deletions(-)
>

I have applied this set but as I pointed out in the previous revision, it will
have to be backed-out if something breaks.  Hopefully it won't get to that.

Thanks,
Mathieu

> -- 
> 2.25.1
>