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

From: Dan Carpenter
Date: Wed Jul 08 2020 - 06:01:20 EST


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