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Date:   Thu, 21 Nov 2019 08:31:52 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Robin Murphy <robin.murphy@arm.com>
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        Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
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Subject: Re: [PATCH] dma-mapping: treat dev->bus_dma_mask as a DMA limit
Message-ID: <20191121073152.GB24024@lst.de>
References: <20191113161340.27228-1-nsaenzjulienne@suse.de> <dd074ef5c23ba56598e92be19e8e25ae31b75f93.camel@suse.de> <20191119170006.GA19569@lst.de> <7609007d-52f5-bb10-e8d5-96fadbfab46d@arm.com>
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On Tue, Nov 19, 2019 at 05:17:03PM +0000, Robin Murphy wrote:
> TBH I can't see it being a massive problem even if the DMA patch, driver 
> and DTS patch went entirely separately via the respective DMA, PCI, and 
> arm-soc trees in the same cycle. Bisecting over a merge window is a big 
> enough pain in the bum as it is, and if the worst case is that someone 
> trying to do that on a Pi4 has a wonky PCI controller appear for a couple 
> of commits, they may as well just disable that driver for their bisection, 
> because it wasn't there at the start so can't possibly be the thing they're 
> looking for regressions in ;)

Agreed.

Nicolas, can you send a respin?  That way I can still queue it up
for 5.5.