From: Askar Safin <safinaskar@gmail.com>
To: agordeev@linux.ibm.com
Cc: akpm@linux-foundation.org, axboe@kernel.dk, brauner@kernel.org,
david@kernel.org, dhowells@redhat.com, hch@infradead.org,
jack@suse.cz, linux-api@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, linux-next@vger.kernel.org,
linux-s390@vger.kernel.org, miklos@szeredi.hu,
netdev@vger.kernel.org, patches@lists.linux.dev,
pfalcato@suse.de, safinaskar@gmail.com,
torvalds@linux-foundation.org, viro@zeniv.linux.org.uk,
willy@infradead.org
Subject: Re: [PATCH 2/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2
Date: Tue, 16 Jun 2026 03:36:59 +0300 [thread overview]
Message-ID: <20260616003659.4002764-1-safinaskar@gmail.com> (raw)
In-Reply-To: <20260608171917.3195488Afc-agordeev@linux.ibm.com>
Alexander Gordeev <agordeev@linux.ibm.com>:
> Hi All,
>
> This patch as commit e2c0b2368081b ("vmsplice: make vmsplice a trivial
> wrapper for preadv2/pwritev2") in linux-next on s390 causes the selftest
> tools/testing/selftests/mm/cow.c to hang:
>
> # [RUN] vmsplice() + unmap in child ... with PTE-mapped THP (128 kB)
>
> Recently there has been changes in THP area, so the problem is not
> necessary linked to this patch per se.
>
> Please, let me know if you need any additional information.
>
> Thanks!
As well as I understand, this test uses vmsplice to pin pages.
I. e. if my patch lands, then this test should be rewriten to use
some other mechanism.
--
Askar Safin
next prev parent reply other threads:[~2026-06-16 0:37 UTC|newest]
Thread overview: 113+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-31 1:01 [PATCH 0/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2 Askar Safin
2026-05-31 1:01 ` [PATCH 1/3] tee: fs/splice.c: remove unused parameter "flags" from "link_pipe" Askar Safin
2026-05-31 1:01 ` [PATCH 2/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2 Askar Safin
2026-06-03 20:56 ` Stefan Metzmacher
2026-06-03 21:17 ` Askar Safin
2026-06-04 9:06 ` David Laight
2026-06-04 14:17 ` Linus Torvalds
2026-06-04 17:38 ` David Laight
2026-06-04 19:30 ` Linus Torvalds
2026-06-04 21:32 ` David Laight
2026-06-04 21:42 ` Linus Torvalds
2026-06-05 9:32 ` Florian Weimer
2026-06-05 15:54 ` Linus Torvalds
2026-06-05 16:27 ` Linus Torvalds
2026-06-05 16:30 ` Florian Weimer
2026-06-05 17:12 ` Linus Torvalds
2026-06-06 9:16 ` David Laight
2026-06-05 1:57 ` Nathan Chancellor
2026-06-05 8:23 ` David Laight
2026-06-04 23:25 ` Askar Safin
2026-06-05 11:02 ` Mark Brown
2026-06-05 16:02 ` Linus Torvalds
2026-06-05 16:02 ` [LTP] " Linus Torvalds
2026-06-05 16:26 ` Mark Brown
2026-06-05 17:21 ` David Hildenbrand (Arm)
2026-06-05 17:21 ` [LTP] " David Hildenbrand (Arm) via ltp
2026-06-08 17:19 ` Alexander Gordeev
2026-06-08 18:42 ` David Hildenbrand (Arm)
2026-06-16 0:36 ` Askar Safin [this message]
2026-05-31 1:01 ` [PATCH 3/3] splice: remove PIPE_BUF_FLAG_GIFT Askar Safin
2026-05-31 8:54 ` [PATCH 0/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2 Pedro Falcato
2026-05-31 19:01 ` David Hildenbrand (Arm)
2026-05-31 21:21 ` Askar Safin
2026-06-01 16:16 ` Christian Brauner
2026-06-02 21:12 ` Askar Safin
2026-06-02 21:37 ` Pedro Falcato
2026-06-02 22:06 ` Linus Torvalds
2026-06-02 22:41 ` Pedro Falcato
2026-06-02 23:07 ` Askar Safin
2026-06-02 22:54 ` Askar Safin
2026-06-03 0:05 ` Linus Torvalds
2026-06-03 1:08 ` Askar Safin
2026-06-03 3:51 ` Andy Lutomirski
2026-06-03 4:20 ` Linus Torvalds
2026-06-03 6:45 ` Christian Brauner
2026-06-03 13:40 ` Christian Brauner
2026-06-03 15:26 ` Linus Torvalds
2026-06-03 18:10 ` Andy Lutomirski
2026-06-03 18:28 ` Linus Torvalds
2026-06-03 19:22 ` David Howells
2026-06-03 19:59 ` Linus Torvalds
2026-06-03 21:31 ` Andy Lutomirski
2026-06-03 21:36 ` Linus Torvalds
2026-06-03 21:38 ` Linus Torvalds
2026-06-03 22:23 ` Andy Lutomirski
2026-06-03 22:53 ` Linus Torvalds
2026-06-05 15:15 ` Stefan Metzmacher
2026-06-05 15:58 ` Linus Torvalds
2026-06-10 5:14 ` Herbert Xu
2026-06-10 14:17 ` Linus Torvalds
2026-06-10 5:09 ` Herbert Xu
2026-06-10 9:55 ` David Laight
2026-06-03 22:43 ` Askar Safin
2026-06-03 22:49 ` Andy Lutomirski
2026-06-03 23:00 ` Askar Safin
2026-06-04 0:01 ` Linus Torvalds
2026-06-03 18:12 ` Jakub Kicinski
2026-06-05 9:43 ` Stefan Metzmacher
2026-06-05 12:19 ` David Laight
2026-06-05 15:20 ` Stefan Metzmacher
2026-06-06 10:22 ` David Laight
2026-06-03 11:43 ` Pedro Falcato
2026-06-03 18:14 ` Jakub Kicinski
2026-06-01 3:11 ` Andy Lutomirski
2026-06-01 15:36 ` Matthew Wilcox
2026-06-01 15:50 ` Linus Torvalds
2026-06-01 16:17 ` Christian Brauner
2026-06-01 16:22 ` Linus Torvalds
2026-06-03 19:24 ` David Howells
2026-06-01 16:23 ` Christian Brauner
2026-06-01 17:17 ` Linus Torvalds
2026-06-01 17:33 ` Al Viro
2026-06-01 20:04 ` Steven Rostedt
2026-06-02 0:28 ` Andrew Morton
2026-06-02 8:25 ` David Hildenbrand (Arm)
2026-06-02 18:44 ` Eric Biggers
2026-06-03 7:50 ` David Hildenbrand (Arm)
2026-06-04 6:32 ` Willy Tarreau
2026-06-04 14:31 ` Linus Torvalds
2026-06-04 15:53 ` Willy Tarreau
2026-06-04 15:58 ` Linus Torvalds
2026-06-04 16:15 ` Willy Tarreau
2026-06-05 15:41 ` Willy Tarreau
2026-06-05 20:54 ` The 8472
2026-06-04 15:53 ` Andy Lutomirski
2026-06-04 16:09 ` Willy Tarreau
2026-06-04 17:25 ` Andy Lutomirski
2026-06-03 9:57 ` Miklos Szeredi
2026-06-15 6:25 ` Val Packett
2026-06-15 13:11 ` Joanne Koong
2026-06-16 1:15 ` Askar Safin
2026-06-16 6:38 ` Joanne Koong
2026-06-16 7:38 ` David Hildenbrand (Arm)
2026-06-17 11:07 ` Christian Brauner
2026-06-17 19:57 ` Andrei Vagin
2026-06-18 6:34 ` Andrei Vagin
2026-06-23 9:42 ` Askar Safin
2026-06-23 17:29 ` Andrei Vagin
2026-06-24 7:12 ` Askar Safin
2026-06-24 17:52 ` Andrei Vagin
2026-06-05 8:35 ` Collin Funk
2026-06-04 0:45 ` [PATCH 0/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2 Askar Safin
2026-06-04 1:52 ` Linus Torvalds
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