From: Christoph Hellwig <hch@lst.de>
To: Jan Beulich <jbeulich@suse.com>
Cc: Roman Skakun <rm.skakun@gmail.com>,
linux-doc@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
Will Deacon <will@kernel.org>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Michael Ellerman <mpe@ellerman.id.au>,
Christoph Hellwig <hch@lst.de>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
xen-devel@lists.xenproject.org,
"Paul E. McKenney" <paulmck@kernel.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Muchun Song <songmuchun@bytedance.com>,
Thomas Gleixner <tglx@linutronix.de>,
Juergen Gross <jgross@suse.com>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Andrii Anisov <andrii_anisov@epam.com>,
linuxppc-dev@lists.ozlabs.org,
Randy Dunlap <rdunlap@infradead.org>,
linux-mips@vger.kernel.org, iommu@lists.linux-foundation.org,
Roman Skakun <roman_skakun@epam.com>,
Andrew Morton <akpm@linux-foundation.org>,
Robin Murphy <robin.murphy@arm.com>,
Mike Rapoport <rppt@kernel.org>,
"Maciej W. Rozycki" <macro@orcam.me.uk>
Subject: Re: [PATCH] swiotlb: set IO TLB segment size via cmdline
Date: Tue, 14 Sep 2021 17:30:46 +0200 [thread overview]
Message-ID: <20210914153046.GB815@lst.de> (raw)
In-Reply-To: <7c04db79-7de1-93ff-0908-9bad60a287b9@suse.com>
On Tue, Sep 14, 2021 at 05:29:07PM +0200, Jan Beulich wrote:
> I'm not convinced the swiotlb use describe there falls under "intended
> use" - mapping a 1280x720 framebuffer in a single chunk? (As an aside,
> the bottom of this page is also confusing, as following "Then we can
> confirm the modified swiotlb size in the boot log:" there is a log
> fragment showing the same original size of 64Mb.
It doesn't. We also do not add hacks to the kernel for whacky out
of tree modules.
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2021-09-14 15:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-14 15:10 [PATCH] swiotlb: set IO TLB segment size via cmdline Roman Skakun
2021-09-14 15:29 ` Jan Beulich via iommu
2021-09-14 15:30 ` Christoph Hellwig [this message]
2021-09-15 1:51 ` Stefano Stabellini
2021-09-16 9:40 ` Roman Skakun
2021-09-15 13:37 ` Roman Skakun
2021-09-15 13:49 ` Jan Beulich via iommu
2021-09-15 13:53 ` Christoph Hellwig
2021-09-17 9:36 ` Roman Skakun
2021-09-17 9:44 ` Robin Murphy
2021-09-21 15:20 ` Roman Skakun
2021-09-17 9:52 ` Jan Beulich via iommu
2021-09-17 10:53 ` Roman Skakun
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=20210914153046.GB815@lst.de \
--to=hch@lst.de \
--cc=akpm@linux-foundation.org \
--cc=andrii_anisov@epam.com \
--cc=benh@kernel.crashing.org \
--cc=boris.ostrovsky@oracle.com \
--cc=corbet@lwn.net \
--cc=iommu@lists.linux-foundation.org \
--cc=jbeulich@suse.com \
--cc=jgross@suse.com \
--cc=konrad.wilk@oracle.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mips@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=macro@orcam.me.uk \
--cc=mpe@ellerman.id.au \
--cc=paulmck@kernel.org \
--cc=paulus@samba.org \
--cc=peterz@infradead.org \
--cc=rdunlap@infradead.org \
--cc=rm.skakun@gmail.com \
--cc=robin.murphy@arm.com \
--cc=roman_skakun@epam.com \
--cc=rppt@kernel.org \
--cc=songmuchun@bytedance.com \
--cc=sstabellini@kernel.org \
--cc=tglx@linutronix.de \
--cc=tsbogend@alpha.franken.de \
--cc=viresh.kumar@linaro.org \
--cc=will@kernel.org \
--cc=xen-devel@lists.xenproject.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