From: Catalin Marinas <catalin.marinas@arm.com>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-s390@vger.kernel.org, Vasily Gorbik <gor@linux.ibm.com>,
linuxppc-dev@lists.ozlabs.org,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Robin Murphy <robin.murphy@arm.com>,
linux-kernel@vger.kernel.org,
Christian Borntraeger <borntraeger@de.ibm.com>,
iommu@lists.linux-foundation.org,
Paul Mackerras <paulus@samba.org>,
linux-arm-kernel@lists.infradead.org,
Will Deacon <will@kernel.org>,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
Marek Szyprowski <m.szyprowski@samsung.com>
Subject: Re: [PATCH] dma/direct: turn ARCH_ZONE_DMA_BITS into a variable
Date: Thu, 31 Oct 2019 18:06:19 +0000 [thread overview]
Message-ID: <20191031180619.GI39590@arrakis.emea.arm.com> (raw)
In-Reply-To: <20191031165853.GA8532@lst.de>
On Thu, Oct 31, 2019 at 05:58:53PM +0100, Christoph Hellwig wrote:
> On Thu, Oct 31, 2019 at 05:22:59PM +0100, Nicolas Saenz Julienne wrote:
> > OK, I see what you mean now. It's wrong indeed.
> >
> > The trouble is the ZONE_DMA series[1] in arm64, also due for v5.5, will be
> > affected by this patch. I don't know the right way to approach this problem
> > since depending on the merge order, this patch should be updated or the arm64
> > ZONE_DMA series fixed.
> >
> > Maybe it's easier to just wait for v5.6.
>
> Ok, I can wait. Or the arm64 maintainers can pick up this patch if
> you want to add it to that series.
This branch is stable (may add a fix but not I'm not rebasing it) if you
want to base this patch on top:
https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/log/?h=for-next/zone-dma
Otherwise, with your ack, I can add it on top of the above branch (aimed
at 5.5).
--
Catalin
next prev parent reply other threads:[~2019-10-31 18:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-31 15:28 [PATCH] dma/direct: turn ARCH_ZONE_DMA_BITS into a variable Nicolas Saenz Julienne
2019-10-31 15:47 ` Christoph Hellwig
2019-10-31 15:53 ` Nicolas Saenz Julienne
2019-10-31 15:57 ` Christoph Hellwig
2019-10-31 16:22 ` Nicolas Saenz Julienne
2019-10-31 16:58 ` Christoph Hellwig
2019-10-31 18:06 ` Catalin Marinas [this message]
2019-10-31 18:32 ` Christoph Hellwig
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