linux-kernel - Re: Sparse improvements & regressions for Linux v5.7-rc1 -> v5.8-rc1

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Date:   Wed, 8 Jul 2020 12:59:04 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc:     linux-sparse@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Sparse improvements & regressions for Linux v5.7-rc1 -> v5.8-rc1

On Wed, Jul 08, 2020 at 02:06:51AM +0200, Luc Van Oostenryck wrote:
> I've finally written a silly script to easily compare my tests
> of Sparse on the kernel. So, it's now easy to share those results.
> 
> It's a comparison of Sparse's unique warnings between v5.7-rc1 &
> v5.8-rc1 on x86-64 (defconfig + allyesconfig). The results are
> quite similar on other architectures.
> 
> Note that the differences can be caused by changes in the kernel
> code or in Sparse code.
> 
> Have fun.
> 

This is quite fun!  Could you post the raw errors from the v5.8-rc1
kernel as well?  Probably it's too big for LKML, so it would have to
be posted to pastebin or something.

regards,
dan carpenter