From: Will Deacon <will@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Robin Murphy <robin.murphy@arm.com>,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Hanjun Guo <guohanjun@huawei.com>,
Sudeep Holla <sudeep.holla@arm.com>, Jens Axboe <axboe@kernel.dk>,
Joerg Roedel <joro@8bytes.org>, Rob Herring <robh+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Ralf Baechle <ralf@linux-mips.org>,
Paul Burton <paulburton@kernel.org>,
James Hogan <jhogan@kernel.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>,
linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org,
linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-ide@vger.kernel.org, iommu@lists.linux-foundation.org,
devicetree@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [PATCH v2] dma-mapping: treat dev->bus_dma_mask as a DMA limit
Date: Thu, 21 Nov 2019 16:53:48 +0000 [thread overview]
Message-ID: <20191121165348.GC4905@willie-the-truck> (raw)
In-Reply-To: <20191121160217.GA1583@lst.de>
On Thu, Nov 21, 2019 at 05:02:17PM +0100, Christoph Hellwig wrote:
> On Thu, Nov 21, 2019 at 03:55:39PM +0000, Robin Murphy wrote:
> > Hmm, there's no functional dependency though, is there? AFAICS it's
> > essentially just a context conflict. Is it worth simply dropping (or
> > postponing) the local renaming in __dma_direct_optimal_gfp_mask(), or
> > perhaps even cross-merging arm64/for-next/zone-dma into dma/for-next?
>
> I would have no problem with pulling it in. I'd kinda hate creating
> the conflict, though. So if the arm64 maintainers are fine with it
> I'll pull it in, especially if I get an ACK from Robin.
Please go ahead and pull in our for-next/zone-dma branch if you need it.
We're not going to rebase it, and I suspect we won't even be queueing
anything else there at this stage in the game.
Cheers,
Will
next prev parent reply other threads:[~2019-11-21 16:54 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-21 9:26 [PATCH v2] dma-mapping: treat dev->bus_dma_mask as a DMA limit Nicolas Saenz Julienne
2019-11-21 15:24 ` Christoph Hellwig
2019-11-21 15:26 ` Nicolas Saenz Julienne
2019-11-21 15:26 ` Christoph Hellwig
2019-11-21 15:55 ` Robin Murphy
2019-11-21 16:02 ` Christoph Hellwig
2019-11-21 16:53 ` Will Deacon [this message]
2019-11-21 17:16 ` Christoph Hellwig
2019-11-21 17:07 ` Robin Murphy
2019-11-21 17:17 ` Christoph Hellwig
2019-11-23 16:51 ` Nathan Chancellor
2019-11-25 7:44 ` Christoph Hellwig
2019-11-25 16:33 ` Robin Murphy
2019-11-26 18:51 ` Nicolas Saenz Julienne
2019-11-26 21:45 ` Robin Murphy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191121165348.GC4905@willie-the-truck \
--to=will@kernel.org \
--cc=axboe@kernel.dk \
--cc=benh@kernel.crashing.org \
--cc=bhelgaas@google.com \
--cc=bp@alien8.de \
--cc=catalin.marinas@arm.com \
--cc=dave.hansen@linux.intel.com \
--cc=devicetree@vger.kernel.org \
--cc=frowand.list@gmail.com \
--cc=guohanjun@huawei.com \
--cc=hch@lst.de \
--cc=hpa@zytor.com \
--cc=iommu@lists.linux-foundation.org \
--cc=jhogan@kernel.org \
--cc=joro@8bytes.org \
--cc=lenb@kernel.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mips@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=lorenzo.pieralisi@arm.com \
--cc=luto@kernel.org \
--cc=m.szyprowski@samsung.com \
--cc=mingo@redhat.com \
--cc=mpe@ellerman.id.au \
--cc=nsaenzjulienne@suse.de \
--cc=paulburton@kernel.org \
--cc=paulus@samba.org \
--cc=peterz@infradead.org \
--cc=ralf@linux-mips.org \
--cc=rjw@rjwysocki.net \
--cc=robh+dt@kernel.org \
--cc=robin.murphy@arm.com \
--cc=sudeep.holla@arm.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).