From: "Arnd Bergmann" <arnd@arndb.de>
To: "David Hildenbrand (Red Hat)" <david@kernel.org>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
"Christian Brauner" <brauner@kernel.org>
Cc: "Matthew Wilcox" <willy@infradead.org>,
"Kirill A. Shutemov" <kas@kernel.org>,
"Alexander Viro" <viro@zeniv.linux.org.uk>,
"Miklos Szeredi" <miklos@szeredi.hu>,
"Amit Shah" <amit@kernel.org>, "Jan Kara" <jack@suse.cz>,
"Zi Yan" <ziy@nvidia.com>, "Bernd Schubert" <bschubert@ddn.com>,
"Hugh Dickins" <hughd@google.com>,
"Baolin Wang" <baolin.wang@linux.alibaba.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"David S . Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@kernel.org>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Simon Horman" <horms@kernel.org>,
linux-fsdevel@vger.kernel.org, fuse-devel@lists.linux.dev,
virtualization@lists.linux.dev, Netdev <netdev@vger.kernel.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
kernel-team@meta.com, "Malin Jonsson" <malin.jonsson@est.tech>,
"Richard Weinberger" <richard@nod.at>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
"Nishanth Menon" <nm@ti.com>, "Frank Li" <frank.li@nxp.com>
Subject: Re: [PATCH 1/4] virtio_console: copy pipe buffers in splice_write()
Date: Thu, 12 Nov 2026 10:25:28 +0100 [thread overview]
Message-ID: <3eb60948-8fc9-4682-87c2-c113e54e7d4e@app.fastmail.com> (raw)
In-Reply-To: <32ad880e-5946-4703-9c6f-43ff59da39af@kernel.org>
On Thu, Nov 12, 2026, at 10:09, David Hildenbrand (Arm) wrote:
> On 11/12/26 09:55, Arnd Bergmann wrote:
>> On Wed, Nov 11, 2026, at 20:26, Linus Torvalds wrote:
>>
>> I tried to push for what I thought was an aggressive timeline
>> last year, but that would still keep the Arm bits for a couple more
>> LTS releases and only gradually reduce the scope of highmem in the
>> meantime, removing support from architectures, file systems, and
>> drivers where possible. See https://lwn.net/Articles/1051010/
>> for a summary of my talk in Tokyo, including the slides and
>> a link to the video for anyone wanting more details.
>>
>> I also prepared a number of patches towards this, but have so
>> far not been great at following up to get them merged, sorry
>> about that.
>
> I think we can already start at removing CONFIG_HIGHPTE now, right?
Yes, I think my patch from two years ago still applies, see
https://lore.kernel.org/all/20241210160556.2341497-4-arnd@kernel.org/
https://lore.kernel.org/all/20241210160556.2341497-5-arnd@kernel.org/
If not, I can send you an updated version.
Arnd
next prev parent reply other threads:[~2026-11-12 9:26 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-10 14:52 [PATCH 0/4] splice: remove pipe buffer stealing Kiryl Shutsemau (Meta)
2026-11-10 14:52 ` [PATCH 1/4] virtio_console: copy pipe buffers in splice_write() Kiryl Shutsemau (Meta)
2026-11-10 16:24 ` Zi Yan
2026-11-10 19:19 ` Matthew Wilcox
2026-11-11 12:36 ` Christian Brauner
2026-11-11 13:42 ` Christian Brauner
2026-11-11 16:43 ` Linus Torvalds
2026-11-11 18:53 ` Christian Brauner
2026-11-11 19:26 ` Linus Torvalds
2026-11-12 8:55 ` Arnd Bergmann
2026-11-12 9:09 ` David Hildenbrand (Arm)
2026-11-12 9:25 ` Arnd Bergmann [this message]
2026-11-12 9:28 ` David Hildenbrand (Arm)
2026-11-12 10:56 ` Arnd Bergmann
2026-11-12 11:34 ` Arnd Bergmann
2026-11-12 17:12 ` Linus Torvalds
2026-11-11 2:30 ` sashiko-bot
2026-11-10 14:52 ` [PATCH 2/4] fuse: don't move pipe buffers into the page cache Kiryl Shutsemau (Meta)
2026-11-10 16:25 ` Zi Yan
2026-11-11 2:35 ` sashiko-bot
2026-11-11 9:02 ` Miklos Szeredi
2026-11-10 14:52 ` [PATCH 3/4] splice: remove pipe buffer stealing Kiryl Shutsemau (Meta)
2026-11-11 2:39 ` sashiko-bot
2026-11-10 14:52 ` [PATCH 4/4] splice: replace nosteal_pipe_buf_ops with default_pipe_buf_ops Kiryl Shutsemau (Meta)
2026-11-11 2:43 ` sashiko-bot
2026-11-10 15:59 ` [PATCH 0/4] splice: remove pipe buffer stealing Linus Torvalds
2026-11-11 11:06 ` Christian Brauner
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