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@pengutronix.de Signed-off-by: Eric Van Hensbergen ericvh@kernel.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-v2-0-147d6b...
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-v1-0-0683b2...
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@pengutronix.de
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rsc@dude05:~/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@40000000:motherboard-bus@40000000:iofpga@7,00000000: Failed to create device link (0x180) with dcc:tcrefclk [ 0.742338] simple-pm-bus bus@40000000:motherboard-bus@40000000: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@DistroKit:~ mount / -o remount,rw root@DistroKit:~ ldconfig root@DistroKit:~ uname -a Linux DistroKit 6.4.0 #1 SMP PREEMPT 2023-07-01T00:00:00+00:00 armv7l GNU/Linux
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rsc