Re: ioremap and dma cleanups and fixes for superh (2nd resend)

From: Rich Felker
Date: Tue Jul 14 2020 - 23:12:14 EST


On Wed, Jul 15, 2020 at 01:12:33AM +0200, John Paul Adrian Glaubitz wrote:
> Hello!
>
> I have applied Christoph's full series on top of Linus' tree and I can confirm that
> the kernel boots fine on my SH-7785LCR board.
>
> Thus, for the whole series of patches:
>
> Tested-by: John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx>
>
> However, independent of Christoph's series, the kernels throws two backtraces during
> boot which I think should require a git bisect (unless I missed a configuration option
> as I trimmed down the kernel a bit to make sure it's not too big).
>
> See the traces below and let me know what you think.

I've got a slightly earlier version (my for-next) built for qemu r2d
board, and don't get any such messages. Do you have a lock-debugging
option enabled that's catching a problem, perhaps?

Rich