linux-kernel - Re: [PATCH 5/6] driver core: lift dma_default

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Message-ID: <20210222075937.GA21946@lst.de>
Date:   Mon, 22 Feb 2021 08:59:37 +0100
From:   Christoph Hellwig <hch@....de>
To:     "Maciej W. Rozycki" <macro@...am.me.uk>
Cc:     Christoph Hellwig <hch@....de>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        iommu@...ts.linux-foundation.org
Subject: Re: [PATCH 5/6] driver core: lift dma_default_coherent into common
 code

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?