From: Christoph Hellwig <hch@lst.de>
To: Robin Murphy <robin.murphy@arm.com>
Cc: Christoph Hellwig <hch@lst.de>,
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>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-ide@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Paul Burton <paulburton@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
x86@kernel.org, phil@raspberrypi.org, linux-acpi@vger.kernel.org,
Ingo Molnar <mingo@redhat.com>, James Hogan <jhogan@kernel.org>,
Len Brown <lenb@kernel.org>,
devicetree@vger.kernel.org, Borislav Petkov <bp@alien8.de>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-mips@vger.kernel.org, Ralf Baechle <ralf@linux-mips.org>,
iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] dma-mapping: treat dev->bus_dma_mask as a DMA limit
Date: Thu, 21 Nov 2019 08:31:52 +0100 [thread overview]
Message-ID: <20191121073152.GB24024@lst.de> (raw)
In-Reply-To: <7609007d-52f5-bb10-e8d5-96fadbfab46d@arm.com>
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.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Robin Murphy <robin.murphy@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-mips@vger.kernel.org, linux-ide@vger.kernel.org,
Paul Mackerras <paulus@samba.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Frank Rowand <frowand.list@gmail.com>,
Christoph Hellwig <hch@lst.de>,
Paul Burton <paulburton@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
x86@kernel.org, phil@raspberrypi.org, linux-acpi@vger.kernel.org,
Ingo Molnar <mingo@redhat.com>,
linux-pci@vger.kernel.org, James Hogan <jhogan@kernel.org>,
Len Brown <lenb@kernel.org>,
devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org,
Jens Axboe <axboe@kernel.dk>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Hanjun Guo <guohanjun@huawei.com>,
linux-kernel@vger.kernel.org, Ralf Baechle <ralf@linux-mips.org>,
iommu@lists.linux-foundation.org,
Sudeep Holla <sudeep.holla@arm.com>,
linuxppc-dev@lists.ozlabs.org,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Subject: Re: [PATCH] dma-mapping: treat dev->bus_dma_mask as a DMA limit
Date: Thu, 21 Nov 2019 08:31:52 +0100 [thread overview]
Message-ID: <20191121073152.GB24024@lst.de> (raw)
In-Reply-To: <7609007d-52f5-bb10-e8d5-96fadbfab46d@arm.com>
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.
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Robin Murphy <robin.murphy@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-mips@vger.kernel.org, linux-ide@vger.kernel.org,
Paul Mackerras <paulus@samba.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Frank Rowand <frowand.list@gmail.com>,
Christoph Hellwig <hch@lst.de>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Paul Burton <paulburton@kernel.org>,
Joerg Roedel <joro@8bytes.org>,
x86@kernel.org, phil@raspberrypi.org, linux-acpi@vger.kernel.org,
Ingo Molnar <mingo@redhat.com>,
linux-pci@vger.kernel.org, James Hogan <jhogan@kernel.org>,
Len Brown <lenb@kernel.org>,
devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org,
Jens Axboe <axboe@kernel.dk>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Hanjun Guo <guohanjun@huawei.com>,
linux-kernel@vger.kernel.org, Ralf Baechle <ralf@linux-mips.org>,
iommu@lists.linux-foundation.org,
Sudeep Holla <sudeep.holla@arm.com>,
linuxppc-dev@lists.ozlabs.org,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Subject: Re: [PATCH] dma-mapping: treat dev->bus_dma_mask as a DMA limit
Date: Thu, 21 Nov 2019 08:31:52 +0100 [thread overview]
Message-ID: <20191121073152.GB24024@lst.de> (raw)
In-Reply-To: <7609007d-52f5-bb10-e8d5-96fadbfab46d@arm.com>
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.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Robin Murphy <robin.murphy@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-mips@vger.kernel.org, linux-ide@vger.kernel.org,
Paul Mackerras <paulus@samba.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Frank Rowand <frowand.list@gmail.com>,
Christoph Hellwig <hch@lst.de>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Paul Burton <paulburton@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Joerg Roedel <joro@8bytes.org>,
x86@kernel.org, phil@raspberrypi.org, linux-acpi@vger.kernel.org,
Ingo Molnar <mingo@redhat.com>,
linux-pci@vger.kernel.org, James Hogan <jhogan@kernel.org>,
Len Brown <lenb@kernel.org>,
devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org,
Jens Axboe <axboe@kernel.dk>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Hanjun Guo <guohanjun@huawei.com>,
linux-kernel@vger.kernel.org, Ralf Baechle <ralf@linux-mips.org>,
iommu@lists.linux-foundation.org,
Sudeep Holla <sudeep.holla@arm.com>,
linuxppc-dev@lists.ozlabs.org,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Subject: Re: [PATCH] dma-mapping: treat dev->bus_dma_mask as a DMA limit
Date: Thu, 21 Nov 2019 08:31:52 +0100 [thread overview]
Message-ID: <20191121073152.GB24024@lst.de> (raw)
In-Reply-To: <7609007d-52f5-bb10-e8d5-96fadbfab46d@arm.com>
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.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-11-21 7:32 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-13 16:13 [PATCH] dma-mapping: treat dev->bus_dma_mask as a DMA limit Nicolas Saenz Julienne
2019-11-13 16:13 ` Nicolas Saenz Julienne
2019-11-13 16:13 ` Nicolas Saenz Julienne
2019-11-13 16:13 ` Nicolas Saenz Julienne
2019-11-13 20:34 ` Robin Murphy
2019-11-13 20:34 ` Robin Murphy
2019-11-13 20:34 ` Robin Murphy
2019-11-13 20:34 ` Robin Murphy
2019-11-13 20:41 ` Florian Fainelli
2019-11-13 20:41 ` Florian Fainelli
2019-11-13 20:41 ` Florian Fainelli
2019-11-13 20:41 ` Florian Fainelli
2019-11-13 21:24 ` Robin Murphy
2019-11-13 21:24 ` Robin Murphy
2019-11-13 21:24 ` Robin Murphy
2019-11-13 21:24 ` Robin Murphy
2019-11-14 9:47 ` Nicolas Saenz Julienne
2019-11-14 9:47 ` Nicolas Saenz Julienne
2019-11-14 9:47 ` Nicolas Saenz Julienne
2019-11-14 9:47 ` Nicolas Saenz Julienne
2019-11-14 7:34 ` Christoph Hellwig
2019-11-14 7:34 ` Christoph Hellwig
2019-11-14 7:34 ` Christoph Hellwig
2019-11-14 7:34 ` Christoph Hellwig
2019-11-19 12:57 ` Nicolas Saenz Julienne
2019-11-19 12:57 ` Nicolas Saenz Julienne
2019-11-19 12:57 ` Nicolas Saenz Julienne
2019-11-19 17:00 ` Christoph Hellwig
2019-11-19 17:00 ` Christoph Hellwig
2019-11-19 17:00 ` Christoph Hellwig
2019-11-19 17:17 ` Robin Murphy
2019-11-19 17:17 ` Robin Murphy
2019-11-19 17:17 ` Robin Murphy
2019-11-21 7:31 ` Christoph Hellwig [this message]
2019-11-21 7:31 ` Christoph Hellwig
2019-11-21 7:31 ` Christoph Hellwig
2019-11-21 7:31 ` Christoph Hellwig
2019-11-21 9:18 ` Nicolas Saenz Julienne
2019-11-21 9:18 ` Nicolas Saenz Julienne
2019-11-21 9:18 ` Nicolas Saenz Julienne
2019-11-21 9:18 ` Nicolas Saenz Julienne
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=20191121073152.GB24024@lst.de \
--to=hch@lst.de \
--cc=axboe@kernel.dk \
--cc=benh@kernel.crashing.org \
--cc=bhelgaas@google.com \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=devicetree@vger.kernel.org \
--cc=frowand.list@gmail.com \
--cc=guohanjun@huawei.com \
--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=phil@raspberrypi.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.