From: Christoph Hellwig <hch@lst.de>
To: Jan Beulich <jbeulich@suse.com>
Cc: Roman Skakun <rm.skakun@gmail.com>,
Andrii Anisov <andrii_anisov@epam.com>,
Roman Skakun <roman_skakun@epam.com>,
Jonathan Corbet <corbet@lwn.net>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Michael Ellerman <mpe@ellerman.id.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Juergen Gross <jgross@suse.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Christoph Hellwig <hch@lst.de>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>,
"Paul E. McKenney" <paulmck@kernel.org>,
Randy Dunlap <rdunlap@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
"Maciej W. Rozycki" <macro@orcam.me.uk>,
Muchun Song <songmuchun@bytedance.com>,
Viresh Kumar <viresh.kumar@linaro.org>,
Peter Zijlstra <peterz@infradead.org>,
Lu Baolu <baolu.lu@linux.intel.com>,
Mike Rapoport <rppt@kernel.org>, Will Deacon <will@kernel.org>,
xen-devel@lists.xenproject.org, linux-mips@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org
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.
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
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
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
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=baolu.lu@linux.intel.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=m.szyprowski@samsung.com \
--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;
as well as URLs for NNTP newsgroup(s).