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commit 5f9a62ff7d2808c7b56c0ec90f3b7eae5872afe6
Author: Chuck Lever <chuck.lever@oracle.com>
Date: Sun Feb 6 12:25:47 2022 -0500
NFSD: Remove CONFIG_NFSD_V3
Eventually support for NFSv2 in the Linux NFS server is to be
deprecated and then removed.
However, NFSv2 is the "always supported" version that is available
as soon as CONFIG_NFSD is set. Before NFSv2 support can be removed,
we need to choose a different "always supported" version.
This patch removes CONFIG_NFSD_V3 so that NFSv3 is always supported,
as NFSv2 is today. When NFSv2 support is removed, NFSv3 will become
the only "always supported" NFS version.
The defconfigs still need to be updated to remove CONFIG_NFSD_V3=y.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Upstream is dropping support for is not set, so we adjust our
configs accordingly.
Commit:
https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git/commit/?h=for-next&id=55de8686df7ed2b5237867b130e30c728bbd9db4
kconfig: change .config format to use =n instead of "is not set"
The .config file uses "# CONFIG_FOO is not set" form to represent
disabled options. In the old days, it was useful because the .config
was directly included from Makefiles. For example, you can use
"ifdef CONFIG_FOO" in Makefiles to check if the option is enabled.
Commit c955ccafc38e ("kconfig: fix .config dependencies") introduced
include/config/auto.conf, which mirrors the .config, but trims down
all disabled options.
Since then, include/config/auto.conf defines CONFIG options during the
build. The .config is used just for storing the user's configuration.
I do not see a strong reason to use a particular pattern of comment
for disabled options.
With this commit, Kconfig will output disable options in a more natural
form, "CONFIG_FOO=n".
Kconfig accepts both "# CONFIG_FOO is not set" and "CONFIG_FOO=n" as a
valid input. You do not need to update arch/*/configs/*_defconfig files
for now. "git bisect" should be able to cross the commit in both ways
without any issue.
A problem may occur if you parse the .config for the "# ... is not set"
patterns.
I adjusted streamline_config.pl, merge_config.sh,
scripts/kconfig/tests/.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Boris Kolpackov <boris@codesynthesis.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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commit e56dc9e2949edff7932474f2552dd134734cc857
Author: J. Bruce Fields <bfields@redhat.com>
Date: Thu Jul 30 20:33:57 2020 -0400
nfsd: remove fault injection code
It was an interesting idea but nobody seems to be using it, it's buggy
at this point, and nfs4state.c is already complicated enough without it.
The new nfsd/clients/ code provides some of the same functionality, and
could probably do more if desired.
This feature has been deprecated since 9d60d93198c6 ("Deprecate nfsd
fault injection").
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Signed-off-by: Yann CARDAILLAC <ycnakajsph@gmail.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Remove nfsd patch from nfsd-enable.scc which can be included directly or by
other features, and thus cause re-application of the patch.
Create nfs.scc to include both configuration and patches for potential inclusion
for BSPs and/or KTYPEs.
Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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1/1 [
Author: He Zhe
Email: zhe.he@windriver.com
Subject: nfsd4: Fix kernel crash when reading proc file reply_cache_stats
Date: Tue, 6 Aug 2019 17:48:52 +0800
reply_cache_stats uses wrong parameter as seq file private structure and
thus causes the following kernel crash when users read
/proc/fs/nfsd/reply_cache_stats
BUG: kernel NULL pointer dereference, address: 00000000000001f9
PGD 0 P4D 0
Oops: 0000 [#3] SMP PTI
CPU: 6 PID: 1502 Comm: cat Tainted: G D 5.3.0-rc3+ #1
Hardware name: Intel Corporation Broadwell Client platform/Basking Ridge, BIOS BDW-E2R1.86C.0118.R01.1503110618 03/11/2015
RIP: 0010:nfsd_reply_cache_stats_show+0x3b/0x2d0
Code: 41 54 49 89 f4 48 89 fe 48 c7 c7 b3 10 33 88 53 bb e8 03 00 00 e8 88 82 d1 ff bf 58 89 41 00 e8 eb c5 85 00 48 83 eb 01 75 f0 <41> 8b 94 24 f8 01 00 00 48 c7 c6 be 10 33 88 4c 89 ef bb e8 03 00
RSP: 0018:ffffaa520106fe08 EFLAGS: 00010246
RAX: 000000cfe1a77123 RBX: 0000000000000000 RCX: 0000000000291b46
RDX: 000000cf00000000 RSI: 0000000000000006 RDI: 0000000000291b28
RBP: ffffaa520106fe20 R08: 0000000000000006 R09: 000000cfe17e55dd
R10: ffffa424e47c0000 R11: 000000000000030b R12: 0000000000000001
R13: ffffa424e5697000 R14: 0000000000000001 R15: ffffa424e5697000
FS: 00007f805735f580(0000) GS:ffffa424f8f80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000001f9 CR3: 00000000655ce005 CR4: 00000000003606e0
Call Trace:
seq_read+0x194/0x3e0
__vfs_read+0x1b/0x40
vfs_read+0x95/0x140
ksys_read+0x61/0xe0
__x64_sys_read+0x1a/0x20
do_syscall_64+0x4d/0x120
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f805728b861
Code: fe ff ff 50 48 8d 3d 86 b4 09 00 e8 79 e0 01 00 66 0f 1f 84 00 00 00 00 00 48 8d 05 d9 19 0d 00 8b 00 85 c0 75 13 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 57 c3 66 0f 1f 44 00 00 48 83 ec 28 48 89 54
RSP: 002b:00007ffea1ce3c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f805728b861
RDX: 0000000000020000 RSI: 00007f8057183000 RDI: 0000000000000003
RBP: 00007f8057183000 R08: 00007f8057182010 R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000246 R12: 0000559a60e8ff10
R13: 0000000000000003 R14: 0000000000020000 R15: 0000000000020000
Modules linked in:
CR2: 00000000000001f9
---[ end trace 01613595153f0cba ]---
RIP: 0010:nfsd_reply_cache_stats_show+0x3b/0x2d0
Code: 41 54 49 89 f4 48 89 fe 48 c7 c7 b3 10 33 88 53 bb e8 03 00 00 e8 88 82 d1 ff bf 58 89 41 00 e8 eb c5 85 00 48 83 eb 01 75 f0 <41> 8b 94 24 f8 01 00 00 48 c7 c6 be 10 33 88 4c 89 ef bb e8 03 00
RSP: 0018:ffffaa52004b3e08 EFLAGS: 00010246
RAX: 0000002bab45a7c6 RBX: 0000000000000000 RCX: 0000000000291b4c
RDX: 0000002b00000000 RSI: 0000000000000004 RDI: 0000000000291b28
RBP: ffffaa52004b3e20 R08: 0000000000000004 R09: 0000002bab1c8c7a
R10: ffffa424e5500000 R11: 00000000000002a9 R12: 0000000000000001
R13: ffffa424e4475000 R14: 0000000000000001 R15: ffffa424e4475000
FS: 00007f805735f580(0000) GS:ffffa424f8f80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000001f9 CR3: 00000000655ce005 CR4: 00000000003606e0
Killed
Fixes: 3ba75830ce17 ("nfsd4: drc containerization")
Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
]
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Add nfsd kernel config and scc file.
Signed-off-by: Yang Shi <yang.shi@windriver.com>
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Bruce Ashfield
Yann CARDAILLAC
He Zhe
Yang Shi