Re: [PATCH 5/6] driver core: lift dma_default_coherent into common code

From: Christoph Hellwig
Date: Mon Feb 22 2021 - 03:00:24 EST


On Sun, Feb 21, 2021 at 04:32:38AM +0100, Maciej W. Rozycki wrote:
> I haven't booted Linux on my Malta for a while now, but it turns out to
> work just fine, and your patch set does not regress it booting multi-user
> NFS-rooted over FDDI.
>
> I note however that the system does not reboot properly:
>
> sd 0:0:0:0: [sda] Synchronizing SCSI cache
> reboot: Restarting system
> Reboot failed -- System halted
>
> which is a regression, and also the MMIO-mapped discrete CBUS UART (ttyS2)
> does not sign in anymore either:

Do you mean a regression with this series, or just compared to when you
last tested?