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Message-ID: <ZL7qbTU7D1mAJePi@pengutronix.de>
Date: Mon, 24 Jul 2023 23:17:33 +0200
From: Robert Schwebel <r.schwebel@...gutronix.de>
To: Eric Van Hensbergen <ericvh@...nel.org>
Cc: Latchesar Ionkov <lucho@...kov.net>,
Dominique Martinet <asmadeus@...ewreck.org>,
Christian Schoenebeck <linux_oss@...debyte.com>,
v9fs@...ts.linux.dev, linux-kernel@...r.kernel.org,
stable@...r.kernel.org, kernel@...gutronix.de
Subject: Re: [PATCH v3 0/4] fs/9p: fix mmap regression
Hi Eric,
On Wed, Jul 19, 2023 at 03:17:04PM +0000, Eric Van Hensbergen wrote:
> This series attempts to fix a reported exception with mmap
> on newer kernels.
>
> Fixes: 1543b4c5071c ("fs/9p: remove writeback fid and fix per-file modes")
> Link: https://lore.kernel.org/v9fs/ZK25XZ%2BGpR3KHIB%2F@pengutronix.de/
> Reported-by: Robert Schwebel <r.schwebel@...gutronix.de>
> Signed-off-by: Eric Van Hensbergen <ericvh@...nel.org>
> ---
> Changes in v3:
> - Clarify debug print to read-only mmap mode versus no mmap mode in
> v9fs_file_mmap
> - Fix suggested regression tags and propagate across series
> - Link to v2: https://lore.kernel.org/r/20230716-fixes-overly-restrictive-mmap-v2-0-147d6b93f699@kernel.org
>
> Changes in v2:
> - fix requested changes in commit messages
> - add patch to remove unnecessary invalidate_inode_pages in mmap readonly path
> - Link to v1: https://lore.kernel.org/r/20230716-fixes-overly-restrictive-mmap-v1-0-0683b283b932@kernel.org
I've tested this patch series with my qemu setup and it resolves the
issue. Thanks for taking care!
Tested-by: Robert Schwebel <r.schwebel@...gutronix.de>
----------8<----------
rsc@...e05:~/work/DistroKit$ configs/platform-v7a/run
Forwarding SSH port 127.0.0.1:24910 -> qemu:22
[ 0.000000] L2C: platform modifies aux control register: 0x02020000 -> 0x02420000
[ 0.000000] L2C: DT/platform modifies aux control register: 0x02020000 -> 0x02420000
[ 0.004896] smp_twd: clock not found -2
[ 0.726397] simple-pm-bus bus@...00000:motherboard-bus@...00000:iofpga@7,00000000: Failed to create device link (0x180) with dcc:tcrefclk
[ 0.742338] simple-pm-bus bus@...00000:motherboard-bus@...00000:iofpga@7,00000000: Failed to create device link (0x180) with dcc:tcrefclk
[ 0.809910] physmap-flash 48000000.psram: map_probe failed
[ 1.201306] 9pnet_virtio: no channels available for device root
____ _ _
| _ \ ___ _ __ __ _ _ _| |_ _ __ ___ _ __ (_)_ __
| |_) / _ \ '_ \ / _` | | | | __| '__/ _ \| '_ \| \ \/ /
| __/ __/ | | | (_| | |_| | |_| | | (_) | | | | |> <
|_| \___|_| |_|\__, |\__,_|\__|_| \___/|_| |_|_/_/\_\
|___/
____ _ _ _ ___ _
| _ \(_)___| |_ _ __ ___ | |/ (_) |_
| | | | / __| __| '__/ _ \| ' /| | __|
| |_| | \__ \ |_| | | (_) | . \| | |_
|____/|_|___/\__|_| \___/|_|\_\_|\__|
OSELAS(R)-DistroKit-2019.12.0-00429-g57ffae760eb9 / v7a-2019.12.0-00429-g57ffae760eb9
ptxdist-2023.07.1/2023-07-11T19:56:50+0200
DistroKit login: root
root@...troKit:~ mount / -o remount,rw
root@...troKit:~ ldconfig
root@...troKit:~ uname -a
Linux DistroKit 6.4.0 #1 SMP PREEMPT 2023-07-01T00:00:00+00:00 armv7l GNU/Linux
----------8<----------
rsc
--
Pengutronix e.K. | Dipl.-Ing. Robert Schwebel |
Steuerwalder Str. 21 | https://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
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