Re: [PATCH 05/10] s390/cio: introduce DMA pools to cio

Sebastian Ott
2019-05-09T08:40:59Z

On Wed, 8 May 2019, Halil Pasic wrote:
> On Wed, 8 May 2019 15:18:10 +0200 (CEST)
> Sebastian Ott <sebott@linux.ibm.com> wrote:
> > > @@ -1063,6 +1163,7 @@ static int __init css_bus_init(void)
> > > unregister_reboot_notifier(&css_reboot_notifier);
> > > goto out_unregister;
> > > }
> > > + cio_dma_pool_init();
> >
> > This is too late for early devices (ccw console!).
>
> You have already raised concern about this last time (thanks). I think,
> I've addressed this issue: tje cio_dma_pool is only used by the airq
> stuff. I don't think the ccw console needs it. Please have an other look
> at patch #6, and explain your concern in more detail if it persists.

Oh, you don't use the global pool for that - yes that should work.