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1,248,726 commits

Author SHA1 Message Date
Gao Xiang
118a8cf504 erofs: fix inconsistent per-file compression format
EROFS can select compression algorithms on a per-file basis, and each
per-file compression algorithm needs to be marked in the on-disk
superblock for initialization.

However, syzkaller can generate inconsistent crafted images that use
an unsupported algorithmtype for specific inodes, e.g. use MicroLZMA
algorithmtype even it's not set in `sbi->available_compr_algs`.  This
can lead to an unexpected "BUG: kernel NULL pointer dereference" if
the corresponding decompressor isn't built-in.

Fix this by checking against `sbi->available_compr_algs` for each
m_algorithmformat request.  Incorrect !erofs_sb_has_compr_cfgs preset
bitmap is now fixed together since it was harmless previously.

Reported-by: <bugreport@ubisectech.com>
Fixes: 8f89926290 ("erofs: get compression algorithms directly on mapping")
Fixes: 622ceaddb7 ("erofs: lzma compression support")
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Link: https://lore.kernel.org/r/20240113150602.1471050-1-hsiangkao@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2024-01-13 23:58:08 +08:00
Jiri Pirko
e18405d0be net: sched: track device in tcf_block_get/put_ext() only for clsact binder types
Clsact/ingress qdisc is not the only one using shared block,
red is also using it. The device tracking was originally introduced
by commit 913b47d342 ("net/sched: Introduce tc block netdev
tracking infra") for clsact/ingress only. Commit 94e2557d08 ("net:
sched: move block device tracking into tcf_block_get/put_ext()")
mistakenly enabled that for red as well.

Fix that by adding a check for the binder type being clsact when adding
device to the block->ports xarray.

Reported-by: Ido Schimmel <idosch@idosch.org>
Closes: https://lore.kernel.org/all/ZZ6JE0odnu1lLPtu@shredder/
Fixes: 94e2557d08 ("net: sched: move block device tracking into tcf_block_get/put_ext()")
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-01-13 15:49:15 +00:00
Eric Dumazet
482521d8e0 udp: annotate data-races around up->pending
up->pending can be read without holding the socket lock,
as pointed out by syzbot [1]

Add READ_ONCE() in lockless contexts, and WRITE_ONCE()
on write side.

[1]
BUG: KCSAN: data-race in udpv6_sendmsg / udpv6_sendmsg

write to 0xffff88814e5eadf0 of 4 bytes by task 15547 on cpu 1:
 udpv6_sendmsg+0x1405/0x1530 net/ipv6/udp.c:1596
 inet6_sendmsg+0x63/0x80 net/ipv6/af_inet6.c:657
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 __sys_sendto+0x257/0x310 net/socket.c:2192
 __do_sys_sendto net/socket.c:2204 [inline]
 __se_sys_sendto net/socket.c:2200 [inline]
 __x64_sys_sendto+0x78/0x90 net/socket.c:2200
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

read to 0xffff88814e5eadf0 of 4 bytes by task 15551 on cpu 0:
 udpv6_sendmsg+0x22c/0x1530 net/ipv6/udp.c:1373
 inet6_sendmsg+0x63/0x80 net/ipv6/af_inet6.c:657
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x37c/0x4d0 net/socket.c:2586
 ___sys_sendmsg net/socket.c:2640 [inline]
 __sys_sendmmsg+0x269/0x500 net/socket.c:2726
 __do_sys_sendmmsg net/socket.c:2755 [inline]
 __se_sys_sendmmsg net/socket.c:2752 [inline]
 __x64_sys_sendmmsg+0x57/0x60 net/socket.c:2752
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0x00000000 -> 0x0000000a

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 15551 Comm: syz-executor.1 Tainted: G        W          6.7.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-by: syzbot+8d482d0e407f665d9d10@syzkaller.appspotmail.com
Link: https://lore.kernel.org/netdev/0000000000009e46c3060ebcdffd@google.com/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-01-13 15:46:20 +00:00
Sneh Shah
08300adac3 net: stmmac: Fix ethool link settings ops for integrated PCS
Currently get/set_link_ksettings ethtool ops are dependent on PCS.
When PCS is integrated, it will not have separate link config.
Bypass configuring and checking PCS for integrated PCS.

Fixes: aa571b6275 ("net: stmmac: add new switch to struct plat_stmmacenet_data")
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sa8775p-ride
Signed-off-by: Sneh Shah <quic_snehshah@quicinc.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-01-13 12:41:50 +00:00
Christian Brauner
ba5afb9a84
fs: rework listmount() implementation
Linus pointed out that there's error handling and naming issues in the
that we should rewrite:

* Perform the access checks for the buffer before actually doing any
  work instead of doing it during the iteration.
* Rename the arguments to listmount() and do_listmount() to clarify what
  the arguments are used for.
* Get rid of the pointless ctr variable and overflow checking.
* Get rid of the pointless speculation check.

Link: https://lore.kernel.org/r/CAHk-=wjh6Cypo8WC-McXgSzCaou3UXccxB+7PVeSuGR8AjCphg@mail.gmail.com
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-01-13 13:06:25 +01:00
Jens Axboe
7b4f36cd22 block: ensure we hold a queue reference when using queue limits
q_usage_counter is the only thing preventing us from the limits changing
under us in __bio_split_to_limits, but blk_mq_submit_bio doesn't hold
it while calling into it.

Move the splitting inside the region where we know we've got a queue
reference. Ideally this could still remain a shared section of code, but
let's keep the fix simple and defer any refactoring here to later.

Reported-by: Christoph Hellwig <hch@lst.de>
Fixes: 900e080752 ("block: move queue enter logic into blk_mq_submit_bio()")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-01-12 21:09:42 -07:00
Eric Biggers
c919330dd5 f2fs: fix double free of f2fs_sb_info
kill_f2fs_super() is called even if f2fs_fill_super() fails.
f2fs_fill_super() frees the struct f2fs_sb_info, so it must set
sb->s_fs_info to NULL to prevent it from being freed again.

Fixes: 275dca4630 ("f2fs: move release of block devices to after kill_block_super()")
Reported-by:  <syzbot+8f477ac014ff5b32d81f@syzkaller.appspotmail.com>
Closes: https://lore.kernel.org/lkml/0000000000006cb174060ec34502@google.com
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/linux-f2fs-devel/20240113005747.38887-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
2024-01-12 18:55:09 -08:00
Jakub Kicinski
68d27badef Merge branch 'mptcp-better-validation-of-mptcpopt_mp_join-option'
Eric Dumazet says:

====================
mptcp: better validation of MPTCPOPT_MP_JOIN option

Based on a syzbot report (see 4th patch in the series).

We need to be more explicit about which one of the
following flag is set by mptcp_parse_option():

- OPTION_MPTCP_MPJ_SYN
- OPTION_MPTCP_MPJ_SYNACK
- OPTION_MPTCP_MPJ_ACK

Then select the appropriate values instead of OPTIONS_MPTCP_MPJ

Paolo suggested to do the same for OPTIONS_MPTCP_MPC (5th patch)
====================

Link: https://lore.kernel.org/r/20240111194917.4044654-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-12 18:14:24 -08:00
Eric Dumazet
724b00c129 mptcp: refine opt_mp_capable determination
OPTIONS_MPTCP_MPC is a combination of three flags.

It would be better to be strict about testing what
flag is expected, at least for code readability.

mptcp_parse_option() already makes the distinction.

- subflow_check_req() should use OPTION_MPTCP_MPC_SYN.

- mptcp_subflow_init_cookie_req() should use OPTION_MPTCP_MPC_ACK.

- subflow_finish_connect() should use OPTION_MPTCP_MPC_SYNACK

- subflow_syn_recv_sock should use OPTION_MPTCP_MPC_ACK

Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Fixes: 74c7dfbee3 ("mptcp: consolidate in_opt sub-options fields in a bitmask")
Link: https://lore.kernel.org/r/20240111194917.4044654-6-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-12 18:14:22 -08:00
Eric Dumazet
66ff70df1a mptcp: use OPTION_MPTCP_MPJ_SYN in subflow_check_req()
syzbot reported that subflow_check_req() was using uninitialized data in
subflow_check_req() [1]

This is because mp_opt.token is only set when OPTION_MPTCP_MPJ_SYN is also set.

While we are are it, fix mptcp_subflow_init_cookie_req()
to test for OPTION_MPTCP_MPJ_ACK.

[1]

BUG: KMSAN: uninit-value in subflow_token_join_request net/mptcp/subflow.c:91 [inline]
 BUG: KMSAN: uninit-value in subflow_check_req+0x1028/0x15d0 net/mptcp/subflow.c:209
  subflow_token_join_request net/mptcp/subflow.c:91 [inline]
  subflow_check_req+0x1028/0x15d0 net/mptcp/subflow.c:209
  subflow_v6_route_req+0x269/0x410 net/mptcp/subflow.c:367
  tcp_conn_request+0x153a/0x4240 net/ipv4/tcp_input.c:7164
 subflow_v6_conn_request+0x3ee/0x510
  tcp_rcv_state_process+0x2e1/0x4ac0 net/ipv4/tcp_input.c:6659
  tcp_v6_do_rcv+0x11bf/0x1fe0 net/ipv6/tcp_ipv6.c:1669
  tcp_v6_rcv+0x480b/0x4fb0 net/ipv6/tcp_ipv6.c:1900
  ip6_protocol_deliver_rcu+0xda6/0x2a60 net/ipv6/ip6_input.c:438
  ip6_input_finish net/ipv6/ip6_input.c:483 [inline]
  NF_HOOK include/linux/netfilter.h:314 [inline]
  ip6_input+0x15d/0x430 net/ipv6/ip6_input.c:492
  dst_input include/net/dst.h:461 [inline]
  ip6_rcv_finish+0x5db/0x870 net/ipv6/ip6_input.c:79
  NF_HOOK include/linux/netfilter.h:314 [inline]
  ipv6_rcv+0xda/0x390 net/ipv6/ip6_input.c:310
  __netif_receive_skb_one_core net/core/dev.c:5532 [inline]
  __netif_receive_skb+0x1a6/0x5a0 net/core/dev.c:5646
  netif_receive_skb_internal net/core/dev.c:5732 [inline]
  netif_receive_skb+0x58/0x660 net/core/dev.c:5791
  tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1555
  tun_get_user+0x53af/0x66d0 drivers/net/tun.c:2002
  tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048
  call_write_iter include/linux/fs.h:2020 [inline]
  new_sync_write fs/read_write.c:491 [inline]
  vfs_write+0x8ef/0x1490 fs/read_write.c:584
  ksys_write+0x20f/0x4c0 fs/read_write.c:637
  __do_sys_write fs/read_write.c:649 [inline]
  __se_sys_write fs/read_write.c:646 [inline]
  __x64_sys_write+0x93/0xd0 fs/read_write.c:646
  do_syscall_x64 arch/x86/entry/common.c:52 [inline]
  do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Local variable mp_opt created at:
  subflow_check_req+0x6d/0x15d0 net/mptcp/subflow.c:145
  subflow_v6_route_req+0x269/0x410 net/mptcp/subflow.c:367

CPU: 1 PID: 5924 Comm: syz-executor.3 Not tainted 6.7.0-rc8-syzkaller-00055-g5eff55d725a4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023

Fixes: f296234c98 ("mptcp: Add handling of incoming MP_JOIN requests")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Cc: Peter Krystad <peter.krystad@linux.intel.com>
Cc: Matthieu Baerts <matttbe@kernel.org>
Cc: Mat Martineau <martineau@kernel.org>
Cc: Geliang Tang <geliang.tang@linux.dev>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20240111194917.4044654-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-12 18:14:22 -08:00
Eric Dumazet
be1d9d9d38 mptcp: use OPTION_MPTCP_MPJ_SYNACK in subflow_finish_connect()
subflow_finish_connect() uses four fields (backup, join_id, thmac, none)
that may contain garbage unless OPTION_MPTCP_MPJ_SYNACK has been set
in mptcp_parse_option()

Fixes: f296234c98 ("mptcp: Add handling of incoming MP_JOIN requests")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Cc: Peter Krystad <peter.krystad@linux.intel.com>
Cc: Matthieu Baerts <matttbe@kernel.org>
Cc: Mat Martineau <martineau@kernel.org>
Cc: Geliang Tang <geliang.tang@linux.dev>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20240111194917.4044654-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-12 18:14:21 -08:00
Eric Dumazet
c1665273bd mptcp: strict validation before using mp_opt->hmac
mp_opt->hmac contains uninitialized data unless OPTION_MPTCP_MPJ_ACK
was set in mptcp_parse_option().

We must refine the condition before we call subflow_hmac_valid().

Fixes: f296234c98 ("mptcp: Add handling of incoming MP_JOIN requests")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Cc: Peter Krystad <peter.krystad@linux.intel.com>
Cc: Matthieu Baerts <matttbe@kernel.org>
Cc: Mat Martineau <martineau@kernel.org>
Cc: Geliang Tang <geliang.tang@linux.dev>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20240111194917.4044654-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-12 18:14:21 -08:00
Eric Dumazet
89e23277f9 mptcp: mptcp_parse_option() fix for MPTCPOPT_MP_JOIN
mptcp_parse_option() currently sets OPTIONS_MPTCP_MPJ, for the three
possible cases handled for MPTCPOPT_MP_JOIN option.

OPTIONS_MPTCP_MPJ is the combination of three flags:
- OPTION_MPTCP_MPJ_SYN
- OPTION_MPTCP_MPJ_SYNACK
- OPTION_MPTCP_MPJ_ACK

This is a problem, because backup, join_id, token, nonce and/or hmac fields
could be left uninitialized in some cases.

Distinguish the three cases, as following patches will need this step.

Fixes: f296234c98 ("mptcp: Add handling of incoming MP_JOIN requests")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Cc: Peter Krystad <peter.krystad@linux.intel.com>
Cc: Matthieu Baerts <matttbe@kernel.org>
Cc: Mat Martineau <martineau@kernel.org>
Cc: Geliang Tang <geliang.tang@linux.dev>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20240111194917.4044654-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-12 18:14:21 -08:00
Linus Torvalds
052d534373 Description for this pull request:
- Replace the internal table lookup algorithm with the hweight library
     and ffs of the bitops library.
   - Handle the two types of stream entry, valid data size(has been written)
     and data size separately.It will improves compatibility with two
     differently sized files created on Windows.
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Merge tag 'exfat-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat

Pull exfat updates from Namjae Jeon:

 - Replace the internal table lookup algorithm with the hweight library
   and ffs of the bitops library.

 - Handle the two types of stream entry, valid data size (has been
   written) and data size separately. It improves compatibility with two
   differently sized files created on Windows.

* tag 'exfat-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
  exfat: do not zero the extended part
  exfat: change to get file size from DataLength
  exfat: using ffs instead of internal logic
  exfat: using hweight instead of internal logic
2024-01-12 18:05:56 -08:00
Linus Torvalds
f16ab99c2e fix buggered locking in bch2_ioctl_subvolume_destroy()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-bcachefs-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull bcachefs locking fix from Al Viro:
 "Fix broken locking in bch2_ioctl_subvolume_destroy()"

* tag 'pull-bcachefs-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  bch2_ioctl_subvolume_destroy(): fix locking
  new helper: user_path_locked_at()
2024-01-12 18:04:01 -08:00
Linus Torvalds
1acc24b300 more simple_recursive_removal() conversions
nfsctl this time...
 
 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-simple_recursive_removal' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull nfsctl update from Al Viro:
 "More simple_recursive_removal() conversions.

  nfsctl this time..."

* tag 'pull-simple_recursive_removal' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  nfsctl: switch to simple_recursive_removal()
2024-01-12 18:02:03 -08:00
Dmitry Antipov
cbdd50ec8b net: liquidio: fix clang-specific W=1 build warnings
When compiling with clang-18 and W=1, I've noticed the following
warnings:

drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c:1493:16: warning: cast
from 'void (*)(struct octeon_device *, struct octeon_mbox_cmd *, void *)' to
'octeon_mbox_callback_t' (aka 'void (*)(void *, void *, void *)') converts to
incompatible function type [-Wcast-function-type-strict]
 1493 |         mbox_cmd.fn = (octeon_mbox_callback_t)cn23xx_get_vf_stats_callback;
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

and:

drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c:432:16: warning: cast
from 'void (*)(struct octeon_device *, struct octeon_mbox_cmd *, void *)' to
'octeon_mbox_callback_t' (aka 'void (*)(void *, void *, void *)') converts to
incompatible function type [-Wcast-function-type-strict]
  432 |         mbox_cmd.fn = (octeon_mbox_callback_t)octeon_pfvf_hs_callback;
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Fix both of the above by adjusting 'octeon_mbox_callback_t' to match actual
callback definitions (at the cost of adding an extra forward declaration).

Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240111162432.124014-1-dmantipov@yandex.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-12 17:57:09 -08:00
Linus Torvalds
23a80d462c RCU pull request for v6.8
This pull request contains the following branches:
 
 doc.2023.12.13a: Documentation and comment updates.
 
 torture.2023.11.23a: RCU torture, locktorture updates that include
         cleanups; nolibc init build support for mips, ppc and rv64;
         testing of mid stall duration scenario and fixing fqs task
         creation conditions.
 
 fixes.2023.12.13a: Misc fixes, most notably restricting usage of
         RCU CPU stall notifiers, to confine their usage primarily
         to debug kernels.
 
 rcu-tasks.2023.12.12b: RCU tasks minor fixes.
 
 srcu.2023.12.13a: lockdep annotation fix for NMI-safe accesses,
         callback advancing/acceleration cleanup and documentation
         improvements.
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Merge tag 'rcu.release.v6.8' of https://github.com/neeraju/linux

Pull RCU updates from Neeraj Upadhyay:

 - Documentation and comment updates

 - RCU torture, locktorture updates that include cleanups; nolibc init
   build support for mips, ppc and rv64; testing of mid stall duration
   scenario and fixing fqs task creation conditions

 - Misc fixes, most notably restricting usage of RCU CPU stall
   notifiers, to confine their usage primarily to debug kernels

 - RCU tasks minor fixes

 - lockdep annotation fix for NMI-safe accesses, callback
   advancing/acceleration cleanup and documentation improvements

* tag 'rcu.release.v6.8' of https://github.com/neeraju/linux:
  rcu: Force quiescent states only for ongoing grace period
  doc: Clarify historical disclaimers in memory-barriers.txt
  doc: Mention address and data dependencies in rcu_dereference.rst
  doc: Clarify RCU Tasks reader/updater checklist
  rculist.h: docs: Fix wrong function summary
  Documentation: RCU: Remove repeated word in comments
  srcu: Use try-lock lockdep annotation for NMI-safe access.
  srcu: Explain why callbacks invocations can't run concurrently
  srcu: No need to advance/accelerate if no callback enqueued
  srcu: Remove superfluous callbacks advancing from srcu_gp_start()
  rcu: Remove unused macros from rcupdate.h
  rcu: Restrict access to RCU CPU stall notifiers
  rcu-tasks: Mark RCU Tasks accesses to current->rcu_tasks_idle_cpu
  rcutorture: Add fqs_holdoff check before fqs_task is created
  rcutorture: Add mid-sized stall to TREE07
  rcutorture: add nolibc init support for mips, ppc and rv64
  locktorture: Increase Hamming distance between call_rcu_chain and rcu_call_chains
2024-01-12 16:35:58 -08:00
Suren Baghdasaryan
5d4747a6cc userfaultfd: avoid huge_zero_page in UFFDIO_MOVE
While testing UFFDIO_MOVE ioctl, syzbot triggered VM_BUG_ON_PAGE caused by
a call to PageAnonExclusive() with a huge_zero_page as a parameter. 
UFFDIO_MOVE does not yet handle zeropages and returns EBUSY when one is
encountered.  Add an early huge_zero_page check in the PMD move path to
avoid this situation.

Link: https://lkml.kernel.org/r/20240112013935.1474648-1-surenb@google.com
Fixes: adef440691 ("userfaultfd: UFFDIO_MOVE uABI")
Reported-by: syzbot+705209281e36404998f6@syzkaller.appspotmail.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:49 -08:00
Qi Zheng
aa8f91910b MAINTAINERS: add entry for shrinker
Since the shrinker-related code has been moved to a separate shrinker.c
file, it's time to add a MAINTAINERS entry for it.

Dave, Roman, Muchun and I have all worked on shrinker (development,
review, etc) in the past period of time, and all of us are willing to
continue working on shrinker in the future, so I'd like to add all of us
as maintainer/reviewer.

Link: https://lkml.kernel.org/r/20240111075219.34221-1-zhengqi.arch@bytedance.com
Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:48 -08:00
Donet Tom
00bcfcd47a selftests: mm: hugepage-vmemmap fails on 64K page size systems
The kernel sefltest mm/hugepage-vmemmap fails on architectures which has
different page size other than 4K.  In hugepage-vmemmap page size used is
4k so the pfn calculation will go wrong on systems which has different
page size .The length of MAP_HUGETLB memory must be hugepage aligned but
in hugepage-vmemmap map length is 2M so this will not get aligned if the
system has differnet hugepage size.

Added  psize() to get the page size and default_huge_page_size() to
get the default hugepage size at run time, hugepage-vmemmap test pass
on powerpc with 64K page size and x86 with 4K page size.

Result on powerpc without patch (page size 64K)
*# ./hugepage-vmemmap
Returned address is 0x7effff000000 whose pfn is 0
Head page flags (100000000) is invalid
check_page_flags: Invalid argument
*#

Result on powerpc with patch (page size 64K)
*# ./hugepage-vmemmap
Returned address is 0x7effff000000 whose pfn is 600
*#

Result on x86 with patch (page size 4K)
*# ./hugepage-vmemmap
Returned address is 0x7fc7c2c00000 whose pfn is 1dac00
*#

Link: https://lkml.kernel.org/r/3b3a3ae37ba21218481c482a872bbf7526031600.1704865754.git.donettom@linux.vnet.ibm.com
Fixes: b147c89cd4 ("selftests: vm: add a hugetlb test case")
Signed-off-by: Donet Tom <donettom@linux.vnet.ibm.com>
Reported-by: Geetika Moolchandani <geetika@linux.ibm.com>
Tested-by: Geetika Moolchandani <geetika@linux.ibm.com>
Acked-by: Muchun Song <muchun.song@linux.dev>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:48 -08:00
Sumanth Korikkar
1168413414 mm/memory_hotplug: fix memmap_on_memory sysfs value retrieval
set_memmap_mode() stores the kernel parameter memmap mode as an integer. 
However, the get_memmap_mode() function utilizes param_get_bool() to fetch
the value as a boolean, leading to potential endianness issue.  On
Big-endian architectures, the memmap_on_memory is consistently displayed
as 'N' regardless of its actual status.

To address this endianness problem, the solution involves obtaining the
mode as an integer.  This adjustment ensures the proper display of the
memmap_on_memory parameter, presenting it as one of the following options:
Force, Y, or N.

Link: https://lkml.kernel.org/r/20240110140127.241451-1-sumanthk@linux.ibm.com
Fixes: 2d1f649c7c ("mm/memory_hotplug: support memmap_on_memory when memmap is not aligned to pageblocks")
Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Suggested-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: <stable@vger.kernel.org>	[6.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:48 -08:00
Tanzir Hasan
55f958c55c mailmap: switch email for Tanzir Hasan
Access to the tanzirh@google.com email will be revoked upon the end of the
internship.

Link: https://lkml.kernel.org/r/20240105-newemail-v3-1-3dc8ae035b54@google.com
Signed-off-by: Tanzir Hasan <tanzirh@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:48 -08:00
Randy Dunlap
0b8f128da7 mailmap: add old address mappings for Randy
Add my old email addresses so that git send-email will map them
to my current email address.

Link: https://lkml.kernel.org/r/20240106063051.13623-1-rdunlap@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:47 -08:00
Andrew Morton
4e87ff59ce kernel/crash_core.c: make __crash_hotplug_lock static
sparse warnings:
kernel/crash_core.c:749:1: sparse: sparse: symbol '__crash_hotplug_lock' was not declared. Should it be static?

Fixes: e2a8f20dd8 ("Crash: add lock to serialize crash hotplug handling")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202401080654.IjjU5oK7-lkp@intel.com/
Cc: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:47 -08:00
Ma Wupeng
7ea6ec4c25 efi: disable mirror feature during crashkernel
If the system has no mirrored memory or uses crashkernel.high while
kernelcore=mirror is enabled on the command line then during crashkernel,
there will be limited mirrored memory and this usually leads to OOM.

To solve this problem, disable the mirror feature during crashkernel.

Link: https://lkml.kernel.org/r/20240109041536.3903042-1-mawupeng1@huawei.com
Signed-off-by: Ma Wupeng <mawupeng1@huawei.com>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:47 -08:00
James Gowans
7bb943806f kexec: do syscore_shutdown() in kernel_kexec
syscore_shutdown() runs driver and module callbacks to get the system into
a state where it can be correctly shut down.  In commit 6f389a8f1d ("PM
/ reboot: call syscore_shutdown() after disable_nonboot_cpus()")
syscore_shutdown() was removed from kernel_restart_prepare() and hence got
(incorrectly?) removed from the kexec flow.  This was innocuous until
commit 6735150b69 ("KVM: Use syscore_ops instead of reboot_notifier to
hook restart/shutdown") changed the way that KVM registered its shutdown
callbacks, switching from reboot notifiers to syscore_ops.shutdown.  As
syscore_shutdown() is missing from kexec, KVM's shutdown hook is not run
and virtualisation is left enabled on the boot CPU which results in triple
faults when switching to the new kernel on Intel x86 VT-x with VMXE
enabled.

Fix this by adding syscore_shutdown() to the kexec sequence.  In terms of
where to add it, it is being added after migrating the kexec task to the
boot CPU, but before APs are shut down.  It is not totally clear if this
is the best place: in commit 6f389a8f1d ("PM / reboot: call
syscore_shutdown() after disable_nonboot_cpus()") it is stated that
"syscore_ops operations should be carried with one CPU on-line and
interrupts disabled." APs are only offlined later in machine_shutdown(),
so this syscore_shutdown() is being run while APs are still online.  This
seems to be the correct place as it matches where syscore_shutdown() is
run in the reboot and halt flows - they also run it before APs are shut
down.  The assumption is that the commit message in commit 6f389a8f1d
("PM / reboot: call syscore_shutdown() after disable_nonboot_cpus()") is
no longer valid.

KVM has been discussed here as it is what broke loudly by not having
syscore_shutdown() in kexec, but this change impacts more than just KVM;
all drivers/modules which register a syscore_ops.shutdown callback will
now be invoked in the kexec flow.  Looking at some of them like x86 MCE it
is probably more correct to also shut these down during kexec. 
Maintainers of all drivers which use syscore_ops.shutdown are added on CC
for visibility.  They are:

arch/powerpc/platforms/cell/spu_base.c  .shutdown = spu_shutdown,
arch/x86/kernel/cpu/mce/core.c	        .shutdown = mce_syscore_shutdown,
arch/x86/kernel/i8259.c                 .shutdown = i8259A_shutdown,
drivers/irqchip/irq-i8259.c	        .shutdown = i8259A_shutdown,
drivers/irqchip/irq-sun6i-r.c	        .shutdown = sun6i_r_intc_shutdown,
drivers/leds/trigger/ledtrig-cpu.c	.shutdown = ledtrig_cpu_syscore_shutdown,
drivers/power/reset/sc27xx-poweroff.c	.shutdown = sc27xx_poweroff_shutdown,
kernel/irq/generic-chip.c	        .shutdown = irq_gc_shutdown,
virt/kvm/kvm_main.c	                .shutdown = kvm_shutdown,

This has been tested by doing a kexec on x86_64 and aarch64.

Link: https://lkml.kernel.org/r/20231213064004.2419447-1-jgowans@amazon.com
Fixes: 6735150b69 ("KVM: Use syscore_ops instead of reboot_notifier to hook restart/shutdown")
Signed-off-by: James Gowans <jgowans@amazon.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: Samuel Holland <samuel@sholland.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Orson Zhai <orsonzhai@gmail.com>
Cc: Alexander Graf <graf@amazon.de>
Cc: Jan H. Schoenherr <jschoenh@amazon.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:47 -08:00
Manivannan Sadhasivam
327b4603c0 mailmap: update entry for Manivannan Sadhasivam
Remove the map for Linaro id as it is still in use and I want to use it
for submitting patches.  Otherwise, git uses kernel.org as the author id
for patches created using Linaro id.

Link: https://lkml.kernel.org/r/20240109-update-mailmap-v1-1-bf7a39f15fb7@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:46 -08:00
Muhammad Usama Anjum
4cccb6221c fs/proc/task_mmu: move mmu notification mechanism inside mm lock
Move mmu notification mechanism inside mm lock to prevent race condition
in other components which depend on it.  The notifier will invalidate
memory range.  Depending upon the number of iterations, different memory
ranges would be invalidated.

The following warning would be removed by this patch:
WARNING: CPU: 0 PID: 5067 at arch/x86/kvm/../../../virt/kvm/kvm_main.c:734 kvm_mmu_notifier_change_pte+0x860/0x960 arch/x86/kvm/../../../virt/kvm/kvm_main.c:734

There is no behavioural and performance change with this patch when
there is no component registered with the mmu notifier.

[akpm@linux-foundation.org: narrow the scope of `range', per Sean]
Link: https://lkml.kernel.org/r/20240109112445.590736-1-usama.anjum@collabora.com
Fixes: 52526ca7fd ("fs/proc/task_mmu: implement IOCTL to get and optionally clear info about PTEs")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reported-by: syzbot+81227d2bd69e9dedb802@syzkaller.appspotmail.com
Link: https://lore.kernel.org/all/000000000000f6d051060c6785bc@google.com/
Reviewed-by: Sean Christopherson <seanjc@google.com>
Cc: Andrei Vagin <avagin@google.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:46 -08:00
Johannes Weiner
ea52f71598 mm: zswap: switch maintainers to recently active developers and reviewers
Yosry, Nhat and I have been doing most of the recent development and
reviewing of changes in this space.  

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Nhat Pham <nphamcs@gmail.com>
Acked-by: Yosry Ahmed <yosryahmed@google.com>
Acked-by: Dan Streetman <ddstreet@ieee.org>
Acked-by: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:46 -08:00
Carlos Llamas
efbd639835 scripts/decode_stacktrace.sh: optionally use LLVM utilities
GNU's addr2line can have problems parsing a vmlinux built with LLVM,
particularly when LTO was used.  In order to decode the traces correctly
this patch adds the ability to switch to LLVM's utilities readelf and
addr2line.  The same approach is followed by Will in [1].

Before:
  $ scripts/decode_stacktrace.sh vmlinux < kernel.log
  [17716.240635] Call trace:
  [17716.240646] skb_cow_data (??:?)
  [17716.240654] esp6_input (ld-temp.o:?)
  [17716.240666] xfrm_input (ld-temp.o:?)
  [17716.240674] xfrm6_rcv (??:?)
  [...]

After:
  $ LLVM=1 scripts/decode_stacktrace.sh vmlinux < kernel.log
  [17716.240635] Call trace:
  [17716.240646] skb_cow_data (include/linux/skbuff.h:2172 net/core/skbuff.c:4503)
  [17716.240654] esp6_input (net/ipv6/esp6.c:977)
  [17716.240666] xfrm_input (net/xfrm/xfrm_input.c:659)
  [17716.240674] xfrm6_rcv (net/ipv6/xfrm6_input.c:172)
  [...]

Note that one could set CROSS_COMPILE=llvm- instead to hack around this
issue.  However, doing so can break the decodecode routine as it will
force the selection of other LLVM utilities down the line e.g.  llvm-as.

[1] https://lore.kernel.org/all/20230914131225.13415-3-will@kernel.org/

Link: https://lkml.kernel.org/r/20230929034836.403735-1-cmllamas@google.com
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Elliot Berman <quic_eberman@quicinc.com>
Tested-by: Justin Stitt <justinstitt@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: John Stultz <jstultz@google.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Tom Rix <trix@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:46 -08:00
Andrey Konovalov
cc478e0b6b kasan: avoid resetting aux_lock
With commit 63b85ac56a ("kasan: stop leaking stack trace handles"),
KASAN zeroes out alloc meta when an object is freed.  The zeroed out data
purposefully includes alloc and auxiliary stack traces but also
accidentally includes aux_lock.

As aux_lock is only initialized for each object slot during slab creation,
when the freed slot is reallocated, saving auxiliary stack traces for the
new object leads to lockdep reports when taking the zeroed out aux_lock.

Arguably, we could reinitialize aux_lock when the object is reallocated,
but a simpler solution is to avoid zeroing out aux_lock when an object
gets freed.

Link: https://lkml.kernel.org/r/20240109221234.90929-1-andrey.konovalov@linux.dev
Fixes: 63b85ac56a ("kasan: stop leaking stack trace handles")
Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com>
Reported-by: Paul E. McKenney <paulmck@kernel.org>
Closes: https://lore.kernel.org/linux-next/5cc0f83c-e1d6-45c5-be89-9b86746fe731@paulmck-laptop/
Reviewed-by: Marco Elver <elver@google.com>
Tested-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:45 -08:00
Nathan Chancellor
aaa2c9a97c lib/Kconfig.debug: disable CONFIG_DEBUG_INFO_BTF for Hexagon
pahole, which generates BTF, relies on elfutils to process DWARF debug
info.  Because kernel modules are relocatable files, elfutils needs to
resolve relocations when processing the DWARF .debug sections.

Hexagon is not supported in binutils or elfutils, so elfutils is unable to
process relocations in kernel modules, causing pahole to crash during BTF
generation.

Do not allow CONFIG_DEBUG_INFO_BTF to be selected for Hexagon until it is
supported in elfutils, so that there are no more cryptic build failures
during BTF generation.

Link: https://lkml.kernel.org/r/20240105-hexagon-disable-btf-v1-1-ddab073e7f74@kernel.org
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312192107.wMIKiZWw-lkp@intel.com/
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Brian Cain <bcain@quicinc.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:45 -08:00
Petr Vorel
65cc86800c MAINTAINERS: update LTP maintainers
There are more people with git push permissions, but we keep only people
who actually did review and merge patches last year.

Link: https://lkml.kernel.org/r/20240104154953.1193634-1-pvorel@suse.cz
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: Li Wang <liwang@redhat.com>
Cc: Alexey Kodanev <aleksei.kodanev@bell-sw.com>
Cc: Jan Stancek <jstancek@redhat.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Wanlong Gao <wanlong.gao@gmail.com>
Cc: Yang Xu <xuyang2018.jy@fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:45 -08:00
Huacai Chen
4a693ce65b kdump: defer the insertion of crashkernel resources
In /proc/iomem, sub-regions should be inserted after their parent,
otherwise the insertion of parent resource fails.  But after generic
crashkernel reservation applied, in both RISC-V and ARM64 (LoongArch will
also use generic reservation later on), crashkernel resources are inserted
before their parent, which causes the parent disappear in /proc/iomem.  So
we defer the insertion of crashkernel resources to an early_initcall().

1, Without 'crashkernel' parameter:

 100d0100-100d01ff : LOON0001:00
   100d0100-100d01ff : LOON0001:00 LOON0001:00
 100e0000-100e0bff : LOON0002:00
   100e0000-100e0bff : LOON0002:00 LOON0002:00
 1fe001e0-1fe001e7 : serial
 90400000-fa17ffff : System RAM
   f6220000-f622ffff : Reserved
   f9ee0000-f9ee3fff : Reserved
   fa120000-fa17ffff : Reserved
 fa190000-fe0bffff : System RAM
   fa190000-fa1bffff : Reserved
 fe4e0000-47fffffff : System RAM
   43c000000-441ffffff : Reserved
   47ff98000-47ffa3fff : Reserved
   47ffa4000-47ffa7fff : Reserved
   47ffa8000-47ffabfff : Reserved
   47ffac000-47ffaffff : Reserved
   47ffb0000-47ffb3fff : Reserved

2, With 'crashkernel' parameter, before this patch:

 100d0100-100d01ff : LOON0001:00
   100d0100-100d01ff : LOON0001:00 LOON0001:00
 100e0000-100e0bff : LOON0002:00
   100e0000-100e0bff : LOON0002:00 LOON0002:00
 1fe001e0-1fe001e7 : serial
 e6200000-f61fffff : Crash kernel
 fa190000-fe0bffff : System RAM
   fa190000-fa1bffff : Reserved
 fe4e0000-47fffffff : System RAM
   43c000000-441ffffff : Reserved
   47ff98000-47ffa3fff : Reserved
   47ffa4000-47ffa7fff : Reserved
   47ffa8000-47ffabfff : Reserved
   47ffac000-47ffaffff : Reserved
   47ffb0000-47ffb3fff : Reserved

3, With 'crashkernel' parameter, after this patch:

 100d0100-100d01ff : LOON0001:00
   100d0100-100d01ff : LOON0001:00 LOON0001:00
 100e0000-100e0bff : LOON0002:00
   100e0000-100e0bff : LOON0002:00 LOON0002:00
 1fe001e0-1fe001e7 : serial
 90400000-fa17ffff : System RAM
   e6200000-f61fffff : Crash kernel
   f6220000-f622ffff : Reserved
   f9ee0000-f9ee3fff : Reserved
   fa120000-fa17ffff : Reserved
 fa190000-fe0bffff : System RAM
   fa190000-fa1bffff : Reserved
 fe4e0000-47fffffff : System RAM
   43c000000-441ffffff : Reserved
   47ff98000-47ffa3fff : Reserved
   47ffa4000-47ffa7fff : Reserved
   47ffa8000-47ffabfff : Reserved
   47ffac000-47ffaffff : Reserved
   47ffb0000-47ffb3fff : Reserved

Link: https://lkml.kernel.org/r/20231229080213.2622204-1-chenhuacai@loongson.cn
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Fixes: 0ab97169aa ("crash_core: add generic function to do reservation")
Cc: Baoquan He <bhe@redhat.com>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Cc: <stable@vger.kernel.org>	[6.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-12 15:20:45 -08:00
Linus Torvalds
38814330fe Devicetree for v6.8:
- Convert FPGA bridge, all TPMs (finally), and Rockchip HDMI bindings to
   schemas
 
 - Improvements in Samsung GPU schemas
 
 - A few more cases of dropping unneeded quotes in schemas
 
 - Merge QCom idle-states txt binding into common idle-states schema
 
 - Add X1E80100, SM8650, SM8650, and SDX75 SoCs to QCom Power Domain
   Controller
 
 - Add NXP i.mx8dl to SCU PD
 
 - Add synaptics r63353 panel controller
 
 - Clarify the wording around the use of 'wakeup-source' property
 
 - Add a DTS coding style doc
 
 - Add smi vendor prefix
 
 - Fix DT_SCHEMA_FILES incorrect matching of paths outside the kernel
   tree
 
 - Disable sysfb (e.g. EFI FB) when simple-framebuffer node is present
 
 - Fix double free in of_parse_phandle_with_args_map()
 
 - A couple of kerneldoc fixes
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Merge tag 'devicetree-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Convert FPGA bridge, all TPMs (finally), and Rockchip HDMI bindings
   to schemas

 - Improvements in Samsung GPU schemas

 - A few more cases of dropping unneeded quotes in schemas

 - Merge QCom idle-states txt binding into common idle-states schema

 - Add X1E80100, SM8650, SM8650, and SDX75 SoCs to QCom Power Domain
   Controller

 - Add NXP i.mx8dl to SCU PD

 - Add synaptics r63353 panel controller

 - Clarify the wording around the use of 'wakeup-source' property

 - Add a DTS coding style doc

 - Add smi vendor prefix

 - Fix DT_SCHEMA_FILES incorrect matching of paths outside the kernel
   tree

 - Disable sysfb (e.g. EFI FB) when simple-framebuffer node is present

 - Fix double free in of_parse_phandle_with_args_map()

 - A couple of kerneldoc fixes

* tag 'devicetree-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (37 commits)
  of: unittest: Fix of_count_phandle_with_args() expected value message
  dt-bindings: fpga: altera: Convert bridge bindings to yaml
  dt-bindings: fpga: Convert bridge binding to yaml
  dt-bindings: vendor-prefixes: Add smi
  dt-bindings: power: Clarify wording for wakeup-source property
  of: Fix double free in of_parse_phandle_with_args_map
  dt-bindings: ignore paths outside kernel for DT_SCHEMA_FILES
  drivers: of: Fixed kernel doc warning
  dt-bindings: tpm: Document Microsoft fTPM bindings
  dt-bindings: tpm: Convert IBM vTPM bindings to DT schema
  dt-bindings: tpm: Convert Google Cr50 bindings to DT schema
  dt-bindings: tpm: Consolidate TCG TIS bindings
  dt-bindings: display: rockchip,inno-hdmi: Document RK3128 compatible
  dt-bindings: arm: Add remote etm dt-binding
  dt-bindings: mmc: sdhci-pxa: Fix 'regs' typo
  media: dt-bindings: samsung,s5p-mfc: Fix iommu properties schemas
  dt-bindings: display: panel: Add synaptics r63353 panel controller
  dt-bindings: arm: merge qcom,idle-state with idle-state
  dt-bindings: drm: rockchip: convert inno_hdmi-rockchip.txt to yaml
  dt-bindings: cache: qcom,llcc: correct QDU1000 reg entries
  ...
2024-01-12 15:05:30 -08:00
Linus Torvalds
42bff4d0f9 pwm: Changes for v6.8-rc1
This contains a bunch of cleanups and simplifications across the board,
 as well as a number of small fixes.
 
 Perhaps the most notable change here is the addition of an API that
 allows PWMs to be used in atomic contexts, which is useful when time-
 critical operations are involved, such as using a PWM to generate IR
 signals.
 
 Finally, I have decided to step down as PWM subsystem maintainer. Due to
 other responsibilities I have lately not been able to find the time that
 the subsystem deserves and Uwe, who has been helping out a lot for the
 past few years and has many things planned for the future, has kindly
 volunteered to take over. I have no doubt that he will be a suitable
 replacement.
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Merge tag 'pwm/for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This contains a bunch of cleanups and simplifications across the
  board, as well as a number of small fixes.

  Perhaps the most notable change here is the addition of an API that
  allows PWMs to be used in atomic contexts, which is useful when time-
  critical operations are involved, such as using a PWM to generate IR
  signals.

  Finally, I have decided to step down as PWM subsystem maintainer. Due
  to other responsibilities I have lately not been able to find the time
  that the subsystem deserves and Uwe, who has been helping out a lot
  for the past few years and has many things planned for the future, has
  kindly volunteered to take over. I have no doubt that he will be a
  suitable replacement"

* tag 'pwm/for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (44 commits)
  MAINTAINERS: pwm: Thierry steps down, Uwe takes over
  pwm: linux/pwm.h: fix Excess kernel-doc description warning
  pwm: Add pwm_apply_state() compatibility stub
  pwm: cros-ec: Drop documentation for dropped struct member
  pwm: Drop two unused API functions
  pwm: lpc18xx-sct: Don't modify the cached period of other PWM outputs
  pwm: meson: Simplify using dev_err_probe()
  pwm: stmpe: Silence duplicate error messages
  pwm: Reduce number of pointer dereferences in pwm_device_request()
  pwm: crc: Use consistent variable naming for driver data
  pwm: omap-dmtimer: Drop locking
  dt-bindings: pwm: ti,pwm-omap-dmtimer: Update binding for yaml
  media: pwm-ir-tx: Trigger edges from hrtimer interrupt context
  pwm: bcm2835: Allow PWM driver to be used in atomic context
  pwm: Make it possible to apply PWM changes in atomic context
  pwm: renesas: Remove unused include
  pwm: Replace ENOTSUPP with EOPNOTSUPP
  pwm: Rename pwm_apply_state() to pwm_apply_might_sleep()
  pwm: Stop referencing pwm->chip
  pwm: Update kernel doc for struct pwm_chip
  ...
2024-01-12 14:59:50 -08:00
Shiyang Ruan
73bf93edee cxl/core: use sysfs_emit() for attr's _show()
sprintf() is deprecated for sysfs, use preferred sysfs_emit() instead.

Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Link: https://lore.kernel.org/r/20240112062709.2490947-1-ruansy.fnst@fujitsu.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2024-01-12 14:47:04 -08:00
Linus Torvalds
fef018d819 hid-for-linus-2024010801
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Merge tag 'hid-for-linus-2024010801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID updates from Jiri Kosina:

 - assorted functional fixes for hid-steam ported from SteamOS betas
   (Vicki Pfau)

 - fix for custom sensor-hub sensors (hinge angle sensor and LISS
   sensors) not working (Yauhen Kharuzhy)

 - functional fix for handling Confidence in Wacom driver (Jason
   Gerecke)

 - support for Ilitek ili2901 touchscreen (Zhengqiao Xia)

 - power management fix for Wacom userspace battery exporting
   (Tatsunosuke Tobita)

 - rework of wait-for-reset in order to reduce the need for
   I2C_HID_QUIRK_NO_IRQ_AFTER_RESET qurk; the success rate is now 50%
   better, but there are still further improvements to be made (Hans de
   Goede)

 - greatly improved coverage of Tablets in hid-selftests (Benjamin
   Tissoires)

 - support for Nintendo NSO controllers -- SNES, Genesis and N64 (Ryan
   McClelland)

 - support for controlling mcp2200 GPIOs (Johannes Roith)

 - power management improvement for EHL OOB wakeup in intel-ish
   (Kai-Heng Feng)

 - other assorted device-specific fixes and code cleanups

* tag 'hid-for-linus-2024010801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (53 commits)
  HID: amd_sfh: Add a new interface for exporting ALS data
  HID: amd_sfh: Add a new interface for exporting HPD data
  HID: amd_sfh: rename float_to_int() to amd_sfh_float_to_int()
  HID: i2c-hid: elan: Add ili2901 timing
  dt-bindings: HID: i2c-hid: elan: Introduce Ilitek ili2901
  HID: bpf: make bus_type const in struct hid_bpf_ops
  HID: make ishtp_cl_bus_type const
  HID: make hid_bus_type const
  HID: hid-steam: Add gamepad-only mode switched to by holding options
  HID: hid-steam: Better handling of serial number length
  HID: hid-steam: Update list of identifiers from SDL
  HID: hid-steam: Make client_opened a counter
  HID: hid-steam: Clean up locking
  HID: hid-steam: Disable watchdog instead of using a heartbeat
  HID: hid-steam: Avoid overwriting smoothing parameter
  HID: magicmouse: fix kerneldoc for struct magicmouse_sc
  HID: sensor-hub: Enable hid core report processing for all devices
  HID: wacom: Add additional tests of confidence behavior
  HID: wacom: Correct behavior when processing some confidence == false touches
  HID: nintendo: add support for nso controllers
  ...
2024-01-12 14:45:13 -08:00
Linus Torvalds
d97a78423c fbdev fixes and cleanups for 6.8-rc1:
- Remove intelfb fbdev driver (Thomas Zimmermann)
 - Remove amba-clcd fbdev driver (Linus Walleij)
 - Remove vmlfb Carillo Ranch fbdev driver (Matthew Wilcox)
 - fb_deferred_io flushing fixes (Nam Cao)
 - imxfb code fixes and cleanups (Dario Binacchi)
 - stifb primary screen detection cleanups (Thomas Zimmermann)
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Merge tag 'fbdev-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

Pull fbdev updates from Helge Deller:
 "Three fbdev drivers (~8500 lines of code) removed. The Carillo Ranch
  fbdev driver is for an Intel product which was never shipped, and for
  the intelfb and the amba-clcd drivers the drm drivers can be used
  instead.

  The other code changes are minor: some fb_deferred_io flushing fixes,
  imxfb margin fixes and stifb cleanups.

  Summary:
   - Remove intelfb fbdev driver (Thomas Zimmermann)
   - Remove amba-clcd fbdev driver (Linus Walleij)
   - Remove vmlfb Carillo Ranch fbdev driver (Matthew Wilcox)
   - fb_deferred_io flushing fixes (Nam Cao)
   - imxfb code fixes and cleanups (Dario Binacchi)
   - stifb primary screen detection cleanups (Thomas Zimmermann)"

* tag 'fbdev-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: (28 commits)
  fbdev/intelfb: Remove driver
  fbdev/hyperv_fb: Do not clear global screen_info
  firmware/sysfb: Clear screen_info state after consuming it
  fbdev/hyperv_fb: Remove firmware framebuffers with aperture helpers
  drm/hyperv: Remove firmware framebuffers with aperture helper
  fbdev/sis: Remove dependency on screen_info
  video/logo: use %u format specifier for unsigned int values
  video/sticore: Remove info field from STI struct
  arch/parisc: Detect primary video device from device instance
  fbdev/stifb: Allocate fb_info instance with framebuffer_alloc()
  video/sticore: Store ROM device in STI struct
  fbdev: flush deferred IO before closing
  fbdev: flush deferred work in fb_deferred_io_fsync()
  fbdev: amba-clcd: Delete the old CLCD driver
  fbdev: Remove support for Carillo Ranch driver
  fbdev: hgafb: fix kernel-doc comments
  fbdev: mmp: Fix typo and wording in code comment
  fbdev: fsl-diu-fb: Fix sparse warning due to virt_to_phys() prototype change
  fbdev: imxfb: add '*/' on a separate line in block comment
  fbdev: imxfb: use __func__ for function name
  ...
2024-01-12 14:38:08 -08:00
Linus Torvalds
61da593f44 media updates for v6.8-rc1
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Merge tag 'media/v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - v4l core: subdev frame interval now supports which field

 - v4l kapi: moves and renames the init_cfg pad op to init_state as an
   internal op.

 - new sensor drivers: gc0308, gc2145, Avnet Alvium, ov64a40, tw9900

 - new camera driver: STM32 DCMIPP

 - s5p-mfc has gained MFC v12 support

 - new ISP driver added to staging: Starfive

 - new stateful encoder/decoded: Wave5 codec It is found on the J721S2
   SoC, JH7100 SoC, ssd202d SoC. Etc.

 - fwnode gained support for MIPI "DisCo for Imaging"
   (https://www.mipi.org/specifications/mipi-disco-imaging)

 - as usual, lots of cleanups, fixups and driver improvements.

* tag 'media/v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (309 commits)
  media: i2c: thp7312: select CONFIG_FW_LOADER
  media: i2c: mt9m114: use fsleep() in place of udelay()
  media: videobuf2: core: Rename min_buffers_needed field in vb2_queue
  media: i2c: thp7312: Store frame interval in subdev state
  media: docs: uAPI: Fix documentation of 'which' field for routing ioctls
  media: docs: uAPI: Expand error documentation for invalid 'which' value
  media: docs: uAPI: Clarify error documentation for invalid 'which' value
  media: v4l2-subdev: Store frame interval in subdev state
  media: v4l2-subdev: Add which field to struct v4l2_subdev_frame_interval
  media: v4l2-subdev: Turn .[gs]_frame_interval into pad operations
  media: v4l: subdev: Move out subdev state lock macros outside CONFIG_MEDIA_CONTROLLER
  media: s5p-mfc: DPB Count Independent of VIDIOC_REQBUF
  media: s5p-mfc: Load firmware for each run in MFCv12.
  media: s5p-mfc: Set context for valid case before calling try_run
  media: s5p-mfc: Add support for DMABUF for encoder
  media: s5p-mfc: Add support for UHD encoding.
  media: s5p-mfc: Add support for rate controls in MFCv12
  media: s5p-mfc: Add YV12 and I420 multiplanar format support
  media: s5p-mfc: Add initial support for MFCv12
  media: s5p-mfc: Rename IS_MFCV10 macro
  ...
2024-01-12 14:29:48 -08:00
Linus Torvalds
a3cc31e751 libnvdimm updates for v6.8
- updates to deprecated and changed interfaces
   	- use new cleanup.h features
 	- use new ida interface
 - kdoc fixes
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Merge tag 'libnvdimm-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Ira Weiny:
 "A mix of bug fixes and updates to interfaces used by nvdimm:

   - Updates to interfaces include:
        Use the new scope based management
        Remove deprecated ida interfaces
        Update to sysfs_emit()

   - Fixup kdoc comments"

* tag 'libnvdimm-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  acpi/nfit: Use sysfs_emit() for all attributes
  nvdimm/namespace: fix kernel-doc for function params
  nvdimm/dimm_devs: fix kernel-doc for function params
  nvdimm/btt: fix btt_blk_cleanup() kernel-doc
  nvdimm-btt: simplify code with the scope based resource management
  nvdimm: Remove usage of the deprecated ida_simple_xx() API
  ACPI: NFIT: Use cleanup.h helpers instead of devm_*()
2024-01-12 14:00:18 -08:00
Linus Torvalds
20077583cc MMC core:
- Don't force a retune before eMMC RPMB switch
  - Add optional HS400 tuning in HS400es initialization
  - Add a sysfs node to for write-protect-group-size
  - Add re-tuning test to the mmc-test module
  - Use mrq.sbc to support close-ended ioctl requests
 
 MMC host:
  - mmci: Add support for SDIO in-band irqs for the stm32 variant
  - mmc_spi: Remove broken support custom DMA mapped buffers
  - mtk-sd: Improve and extend the support for tunings
  - renesas_sdhi: Document support for the RZ/Five variant
  - sdhci_am654: Drop support for the ti,otap-del-sel DT property
  - sdhci-brcmstb: Add support for the brcm 74165b0 variant
  - sdhci-msm: Add compatibles for IPQ4019 and IPQ8074
  - sdhci-of-dwcmshc: Add support for the T-Head TH1520 variant
  - sdhci-xenon: Add support for the Marvell ac5 variant
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Merge tag 'mmc-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Don't force a retune before eMMC RPMB switch
   - Add optional HS400 tuning in HS400es initialization
   - Add a sysfs node to for write-protect-group-size
   - Add re-tuning test to the mmc-test module
   - Use mrq.sbc to support close-ended ioctl requests

  MMC host:
   - mmci: Add support for SDIO in-band irqs for the stm32 variant
   - mmc_spi: Remove broken support custom DMA mapped buffers
   - mtk-sd: Improve and extend the support for tunings
   - renesas_sdhi: Document support for the RZ/Five variant
   - sdhci_am654: Drop support for the ti,otap-del-sel DT property
   - sdhci-brcmstb: Add support for the brcm 74165b0 variant
   - sdhci-msm: Add compatibles for IPQ4019 and IPQ8074
   - sdhci-of-dwcmshc: Add support for the T-Head TH1520 variant
   - sdhci-xenon: Add support for the Marvell ac5 variant"

* tag 'mmc-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (27 commits)
  mmc: xenon: Add ac5 support via bounce buffer
  dt-bindings: mmc: add Marvell ac5
  mmc: sdhci-brcmstb: add new sdhci reset sequence for brcm 74165b0
  dt-bindings: mmc: brcm,sdhci-brcmstb: Add support for 74165b0
  mmc: core: Do not force a retune before RPMB switch
  mmc: core: Add HS400 tuning in HS400es initialization
  mmc: sdhci_omap: Fix TI SoC dependencies
  mmc: sdhci_am654: Fix TI SoC dependencies
  mmc: core: Add wp_grp_size sysfs node
  mmc: mmc_test: Add re-tuning test
  mmc: mmc_spi: remove custom DMA mapped buffers
  dt-bindings: mmc: sdhci-msm: document dedicated IPQ4019 and IPQ8074
  dt-bindings: mmc: synopsys-dw-mshc: add iommus for Intel SocFPGA
  mmc: mtk-sd: Extend number of tuning steps
  dt-bindings: mmc: mtk-sd: add tuning steps related property
  mmc: sdhci-omap: don't misuse kernel-doc marker
  mmc: mtk-sd: Increase the verbosity of msdc_track_cmd_data
  mmc: core: Use mrq.sbc in close-ended ffu
  mmc: sdhci_am654: Drop lookup for deprecated ti,otap-del-sel
  mmc: sdhci-of-dwcmshc: Use logical OR instead of bitwise OR in dwcmshc_probe()
  ...
2024-01-12 13:57:33 -08:00
Linus Torvalds
0c4b09cb54 Core:
- Move the generic PM domain and its governor to the pmdomain subsystem
  - Drop the unused pm_genpd_opp_to_performance_state()
 
 Providers:
  - Convert some providers to let the ->remove() callback return void
  - amlogic: Add support for G12A ISP power domain
  - arm: Move the SCPI power-domain driver to the pmdomain subsystem
  - arm: Move Kconfig options to the pmdomain subsystem
  - qcom: Update part number to X1E80100 for the rpmhpd
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Merge tag 'pmdomain-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

Pull pmdomain updates from Ulf Hansson:
 "Core:
   - Move the generic PM domain and its governor to the pmdomain
     subsystem
   - Drop the unused pm_genpd_opp_to_performance_state()

  Providers:
   - Convert some providers to let the ->remove() callback return void
   - amlogic: Add support for G12A ISP power domain
   - arm: Move the SCPI power-domain driver to the pmdomain subsystem
   - arm: Move Kconfig options to the pmdomain subsystem
   - qcom: Update part number to X1E80100 for the rpmhpd"

* tag 'pmdomain-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
  PM: domains: Move genpd and its governor to the pmdomain subsystem
  PM: domains: Drop redundant header for genpd
  PM: domains: Drop the unused pm_genpd_opp_to_performance_state()
  PM: domains: fix domain_governor kernel-doc warnings
  pmdomain: xilinx/zynqmp: Convert to platform remove callback returning void
  pmdomain: qcom-cpr: Convert to platform remove callback returning void
  pmdomain: imx93-pd: Convert to platform remove callback returning void
  pmdomain: imx93-blk-ctrl: Convert to platform remove callback returning void
  pmdomain: imx8mp-blk-ctrl: Convert to platform remove callback returning void
  pmdomain: imx8m-blk-ctrl: Convert to platform remove callback returning void
  pmdomain: imx-gpcv2: Convert to platform remove callback returning void
  pmdomain: imx-gpc: Convert to platform remove callback returning void
  pmdomain: imx-pgc: Convert to platform remove callback returning void
  pmdomain: amlogic: meson-ee-pwrc: add support for G12A ISP power domain
  dt-bindings: power: meson-g12a-power: document ISP power domain
  firmware: arm_scpi: Move power-domain driver to the pmdomain dir
  pmdomain: arm_scmi: Move Kconfig options to the pmdomain subsystem
  pmdomain: qcom: rpmhpd: Update part number to X1E80100
  dt-bindings: power: rpmpd: Update part number to X1E80100
2024-01-12 13:54:25 -08:00
Linus Torvalds
bf9ca811bb RDMA v6.8 merge window
Small cycle, with some typical driver updates
 
  - General code tidying in siw, hfi1, idrdma, usnic, hns rtrs and bnxt_re
 
  - Many small siw cleanups without an overeaching theme
 
  - Debugfs stats for hns
 
  - Fix a TX queue timeout in IPoIB and missed locking of the mcast list
 
  - Support more features of P7 devices in bnxt_re including a new work
    submission protocol
 
  - CQ interrupts for MANA
 
  - netlink stats for erdma
 
  - EFA multipath PCI support
 
  - Fix Incorrect MR invalidation in iser
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "Small cycle, with some typical driver updates:

   - General code tidying in siw, hfi1, idrdma, usnic, hns rtrs and
     bnxt_re

   - Many small siw cleanups without an overeaching theme

   - Debugfs stats for hns

   - Fix a TX queue timeout in IPoIB and missed locking of the mcast
     list

   - Support more features of P7 devices in bnxt_re including a new work
     submission protocol

   - CQ interrupts for MANA

   - netlink stats for erdma

   - EFA multipath PCI support

   - Fix Incorrect MR invalidation in iser"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (66 commits)
  RDMA/bnxt_re: Fix error code in bnxt_re_create_cq()
  RDMA/efa: Add EFA query MR support
  IB/iser: Prevent invalidating wrong MR
  RDMA/erdma: Add hardware statistics support
  RDMA/erdma: Introduce dma pool for hardware responses of CMDQ requests
  IB/iser: iscsi_iser.h: fix kernel-doc warning and spellos
  RDMA/mana_ib: Add CQ interrupt support for RAW QP
  RDMA/mana_ib: query device capabilities
  RDMA/mana_ib: register RDMA device with GDMA
  RDMA/bnxt_re: Fix the sparse warnings
  RDMA/bnxt_re: Fix the offset for GenP7 adapters for user applications
  RDMA/bnxt_re: Share a page to expose per CQ info with userspace
  RDMA/bnxt_re: Add UAPI to share a page with user space
  IB/ipoib: Fix mcast list locking
  RDMA/mlx5: Expose register c0 for RDMA device
  net/mlx5: E-Switch, expose eswitch manager vport
  net/mlx5: Manage ICM type of SW encap
  RDMA/mlx5: Support handling of SW encap ICM area
  net/mlx5: Introduce indirect-sw-encap ICM properties
  RDMA/bnxt_re: Adds MSN table capability for Gen P7 adapters
  ...
2024-01-12 13:52:21 -08:00
Linus Torvalds
141d9c6e00 firewire updates for 6.8
This update includes the series of changes related to device attributes,
 as well as slight code refactoring.
 
 Some old devices are recognized to have legacy layout of configuration ROM.
 They have an inconvenience that FireWire subsystem adds no attributes for
 vendor information to corresponding devices. The main purpose of this
 update is to rectify the inconvenience.
 
 We have a slight concern about regression. The update changes the value of
 modalias for the unit devices by populating its model field, which was
 previously left as zero in the case. I've assessed the potential impact of
 this change and anticipate it to have minimal concern for both the kernel
 and user lands. The change is enough acceptable.
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Merge tag 'firewire-updates-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire updates from Takashi Sakamoto:
 "This includes the series of changes related to device attributes, as
  well as slight code refactoring.

  Some old devices are recognized to have legacy layout of configuration
  ROM. They have an inconvenience that FireWire subsystem adds no
  attributes for vendor information to corresponding devices. The main
  purpose of this update is to rectify the inconvenience.

  We have a slight concern about regression. The update changes the
  value of modalias for the unit devices by populating its model field,
  which was previously left as zero in the case. I've assessed the
  potential impact of this change and anticipate it to have minimal
  concern for both the kernel and user lands. The change is enough
  acceptable"

* tag 'firewire-updates-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: core: fill model field in modalias of unit device for legacy layout of configuration ROM
  firewire: core: detect model name for legacy layout of configuration ROM
  firewire: core: detect numeric model identifier for legacy layout of configuration ROM
  firewire: test: add test of device attributes for legacy AV/C device
  firewire: test: add test of device attributes for simple AV/C device
  firewire: test: add KUnit test for device attributes
  firewire: core: replace magic number with macro
  firewire: core: adds constant qualifier for local helper functions
  firewire: make fw_bus_type const
2024-01-12 13:49:47 -08:00
Linus Torvalds
645f910ff6 GNSS updates for 6.8-rc1
Here are the GNSS updates for 6.8-rc1, including:
 
  - support for the reset pin found on some u-blox receivers
  - use new regulator helper for the u-blox backup supply
 
 All have been in linux-next with no reported issues.
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Merge tag 'gnss-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/gnss

Pull GNSS updates from Johan Hovold:

 - support for the reset pin found on some u-blox receivers

 - use new regulator helper for the u-blox backup supply

* tag 'gnss-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/gnss:
  gnss: ubx: add support for the reset gpio
  dt-bindings: gnss: u-blox: add "reset-gpios" binding
  gnss: ubx: use new helper to remove open coded regulator handling
2024-01-12 13:46:52 -08:00
Linus Torvalds
c736c9a955 Only a couple new SoCs have support added this time, primarily for Qualcomm
SM8650 based on the diffstat. Otherwise this is a collection of non-critical
 fixes and cleanups to various clk drivers and their DT bindings. Nothing is
 changed in the core clk framework this time, although there's a patch to fix a
 basic clk type initialization function. In general, this pile looks to be on
 the smaller side.
 
 New Drivers:
  - Global, display, gpu, tcsr, and rpmh clocks on Qualcomm SM8650
  - Mediatek MT7988 SoC clocks
 
 Updates:
  - Update Zynqmp driver for Versal NET platforms
  - Add clk driver for Versal clocking wizard IP
  - Support for stm32mp25 clks
  - Add glitch free PLL setting support to si5351 clk driver
  - Add DSI clocks on Amlogic g12/sm1
  - Add CSI and ISP clocks on Amlogic g12/sm1
  - Document bindings for i.MX93 ANATOP clock driver
  - Free clk_node in i.MX SCU driver for resource with different owner
  - Update the LVDS clocks to be compatible with i.MX SCU firmware 1.15
  - Fix the name of the fvco in i.MX pll14xx by renaming it to fout
  - Add EtherNet TSN and PCIe clocks on the Renesas R-Car V4H SoC
  - Add interrupt controller and Ethernet clocks and resets on Renesas RZ/G3S
  - Check reset monitor registers on Renesas RZ/G2L-alike SoCs
  - Reuse reset functionality in the Renesas RZ/G2L clock driver
  - Global and RPMh clock support for the Qualcomm X1E80100 SoC
  - Support for the Stromer APCS PLL found in Qualcomm IPQ5018
  - Add a new type of branch clock, with support for controlling separate
    memory control bits, to the Qualcomm clk driver
  - Use above new branch type in Qualcomm ECPRI clk driver for QDU1000 and
    QRU1000
  - Add a number of missing clocks related to CSI2 on Qualcomm MSM8939
  - Add support for the camera clock controller on Qualcomm SC8280XP
  - Correct PLL configuration in GPU and video clock controllers for
    Qualcomm SM8150
  - Add runtime PM support and a few missing resets to Qualcomm SM8150
    video clock controller
  - Fix configuration of various GCC GDSCs on Qualcomm SM8550
  - Mark shared RCGs appropriately in the Qualcomm SM8550 GCC driver
  - Fix up GPU and display clock controllers PLL configuration settings
    on Qualcomm SM8550
  - Cleanup variable init in Allwinner nkm module
  - Convert various DT bindings to YAML
  - A few kernel-doc fixes for Samsung SoC clock controllers
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "Only a couple new SoCs have support added this time, primarily for
  Qualcomm SM8650 based on the diffstat. Otherwise this is a collection
  of non-critical fixes and cleanups to various clk drivers and their DT
  bindings.

  Nothing is changed in the core clk framework this time, although
  there's a patch to fix a basic clk type initialization function. In
  general, this pile looks to be on the smaller side.

  New Drivers:
   - Global, display, gpu, tcsr, and rpmh clocks on Qualcomm SM8650
   - Mediatek MT7988 SoC clocks

  Updates:
   - Update Zynqmp driver for Versal NET platforms
   - Add clk driver for Versal clocking wizard IP
   - Support for stm32mp25 clks
   - Add glitch free PLL setting support to si5351 clk driver
   - Add DSI clocks on Amlogic g12/sm1
   - Add CSI and ISP clocks on Amlogic g12/sm1
   - Document bindings for i.MX93 ANATOP clock driver
   - Free clk_node in i.MX SCU driver for resource with different owner
   - Update the LVDS clocks to be compatible with i.MX SCU firmware 1.15
   - Fix the name of the fvco in i.MX pll14xx by renaming it to fout
   - Add EtherNet TSN and PCIe clocks on the Renesas R-Car V4H SoC
   - Add interrupt controller and Ethernet clocks and resets on Renesas
     RZ/G3S
   - Check reset monitor registers on Renesas RZ/G2L-alike SoCs
   - Reuse reset functionality in the Renesas RZ/G2L clock driver
   - Global and RPMh clock support for the Qualcomm X1E80100 SoC
   - Support for the Stromer APCS PLL found in Qualcomm IPQ5018
   - Add a new type of branch clock, with support for controlling
     separate memory control bits, to the Qualcomm clk driver
   - Use above new branch type in Qualcomm ECPRI clk driver for QDU1000
     and QRU1000
   - Add a number of missing clocks related to CSI2 on Qualcomm MSM8939
   - Add support for the camera clock controller on Qualcomm SC8280XP
   - Correct PLL configuration in GPU and video clock controllers for
     Qualcomm SM8150
   - Add runtime PM support and a few missing resets to Qualcomm SM8150
     video clock controller
   - Fix configuration of various GCC GDSCs on Qualcomm SM8550
   - Mark shared RCGs appropriately in the Qualcomm SM8550 GCC driver
   - Fix up GPU and display clock controllers PLL configuration settings
     on Qualcomm SM8550
   - Cleanup variable init in Allwinner nkm module
   - Convert various DT bindings to YAML
   - A few kernel-doc fixes for Samsung SoC clock controllers"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (93 commits)
  clk: mediatek: add drivers for MT7988 SoC
  clk: mediatek: add pcw_chg_bit control for PLLs of MT7988
  dt-bindings: clock: mediatek: add clock controllers of MT7988
  dt-bindings: reset: mediatek: add MT7988 ethwarp reset IDs
  dt-bindings: clock: mediatek: add MT7988 clock IDs
  clk: mediatek: mt8188-topckgen: Refactor parents for top_dp/edp muxes
  clk: mediatek: mt8195-topckgen: Refactor parents for top_dp/edp muxes
  clk: mediatek: clk-mux: Support custom parent indices for muxes
  dt-bindings: clock: sophgo: Add clock controller of CV1800 series SoC
  clk: starfive: jh7100: Add CLK_SET_RATE_PARENT to gmac_tx
  clk: starfive: Add flags argument to JH71X0__MUX macro
  clk: imx: pll14xx: change naming of fvco to fout
  clk: imx: clk-imx8qxp: fix LVDS bypass, pixel and phy clocks
  clk: imx: scu: Fix memory leak in __imx_clk_gpr_scu()
  clk: fixed-rate: fix clk_hw_register_fixed_rate_with_accuracy_parent_hw
  clk: qcom: dispcc-sm8650: Add test_ctl parameters to PLL config
  clk: qcom: gpucc-sm8650: Add test_ctl parameters to PLL config
  clk: qcom: dispcc-sm8550: Use the correct PLL configuration function
  clk: qcom: dispcc-sm8550: Update disp PLL settings
  clk: qcom: gpucc-sm8550: Update GPU PLL settings
  ...
2024-01-12 13:42:35 -08:00
Linus Torvalds
576db73424 gpio updates for v6.8
Core GPIOLIB:
 - protect the global list of GPIO devices with a read-write semaphore as
   it is rarely modified but can be traversed by multiple readers at once
 - remove GPIO devices from the global list when they are *unregistered*
   and not when they are *released* (which only happens when the last
   reference is dropped) as this may lead to a successful lookup of an
   unregistered device
 - remove the unnecessary "extra_checks" switch
 - rename functions that are called with a lock taken
 - remove duplicate includes
 
 Character device handling:
 - use locking guards to reduce the code size
 - allocate the big linereq structure using the more suitable kvzalloc()
 - redulce the size of critical sections
 - improve documentation
 - move the debounce_period_us field out of struct gpio_desc
 
 New drivers:
 - Nuvoton NPCM SGPIO driver for BMC NPCM7xx/NPCM8xx
 - Realtek DHC (Digital Home Center) SoC GPIO driver
 
 Driver improvements:
 - replace gpiochip_is_requested() with a safer alternative in the form of
   gpiochip_dup_line_label() as the former returns a pointer to a string that
   can be deleted
 - implement the dbg_show() callback in gpio-sim
 - improve the coding style for local variables by removing unnecessary tabs
 - use generic device properties instead of OF variants in gpio-mmio
 - use the preferred coding style for __free() in gpio-mockup
 - reuse PM ops from the gpio-tangier in gpio-elkhartlake
 - rework PM and use cleanup helpers in gpio-tangier
 - fix the EIC configuration in gpio-pmic-eic-sprd
 - remove the unneeded call to platform_set_drvdata() in gpio-sifive
 - use generic GPIO helpers for driver callbacks in gpio-dwapb
 - add clock support on certain pins of gpio-ixp4xx
 - don't use the core-specific DEBUG_GPIO switch in drivers
 - kerneldoc improvements
 
 DT bindings:
 - add bindings for the new Realtek and Nuvoton devices
 - allow gpio-ranges in gpio-dwapb
 - support GPIO hogs in gpio-rockchip
 - describe the label property in gpio-zynqmp-modepin
 
 Other:
 - header cleanups
 - forward declarations cleanups
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Merge tag 'gpio-updates-for-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "We have two new drivers, an assortment of updates and cleanups to many
  others, and first part of the big rework of the core GPIOLIB that's
  currently underway.

  Add to that some code shrink in the character device module and
  updates to DT bindings and that's pretty much it.

  Core GPIOLIB:
   - protect the global list of GPIO devices with a read-write semaphore
     as it is rarely modified but can be traversed by multiple readers
     at once
   - remove GPIO devices from the global list when they are
     *unregistered* and not when they are *released* (which only happens
     when the last reference is dropped) as this may lead to a
     successful lookup of an unregistered device
   - remove the unnecessary "extra_checks" switch
   - rename functions that are called with a lock taken
   - remove duplicate includes

  Character device handling:
   - use locking guards to reduce the code size
   - allocate the big linereq structure using the more suitable
     kvzalloc()
   - redulce the size of critical sections
   - improve documentation
   - move the debounce_period_us field out of struct gpio_desc

  New drivers:
   - Nuvoton NPCM SGPIO driver for BMC NPCM7xx/NPCM8xx
   - Realtek DHC (Digital Home Center) SoC GPIO driver

  Driver improvements:
   - replace gpiochip_is_requested() with a safer alternative in the
     form of gpiochip_dup_line_label() as the former returns a pointer
     to a string that can be deleted
   - implement the dbg_show() callback in gpio-sim
   - improve the coding style for local variables by removing
     unnecessary tabs
   - use generic device properties instead of OF variants in gpio-mmio
   - use the preferred coding style for __free() in gpio-mockup
   - reuse PM ops from the gpio-tangier in gpio-elkhartlake
   - rework PM and use cleanup helpers in gpio-tangier
   - fix the EIC configuration in gpio-pmic-eic-sprd
   - remove the unneeded call to platform_set_drvdata() in gpio-sifive
   - use generic GPIO helpers for driver callbacks in gpio-dwapb
   - add clock support on certain pins of gpio-ixp4xx
   - don't use the core-specific DEBUG_GPIO switch in drivers
   - kerneldoc improvements

  DT bindings:
   - add bindings for the new Realtek and Nuvoton devices
   - allow gpio-ranges in gpio-dwapb
   - support GPIO hogs in gpio-rockchip
   - describe the label property in gpio-zynqmp-modepin

  Other:
   - header cleanups
   - forward declarations cleanups"

* tag 'gpio-updates-for-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (55 commits)
  gpiolib: replace the GPIO device mutex with a read-write semaphore
  gpiolib: remove the GPIO device from the list when it's unregistered
  gpio: nuvoton: Add Nuvoton NPCM sgpio driver
  dt-bindings: gpio: add NPCM sgpio driver bindings
  gpio: rtd: Add support for Realtek DHC(Digital Home Center) RTD SoCs
  dt-bindings: gpio: realtek: Add realtek,rtd-gpio
  gpio: pmic-eic-sprd: Configure the bit corresponding to the EIC through offset
  gpio: dwapb: Use generic request, free and set_config
  gpio: sysfs: drop tabs from local variable declarations
  gpiolib: drop tabs from local variable declarations
  gpiolib: remove extra_checks
  gpio: tps65219: don't use CONFIG_DEBUG_GPIO
  gpiolib: cdev: replace locking wrappers for gpio_device with guards
  gpiolib: cdev: replace locking wrappers for config_mutex with guards
  gpiolib: cdev: allocate linereq using kvzalloc()
  gpiolib: cdev: include overflow.h
  gpiolib: cdev: reduce locking in gpio_desc_to_lineinfo()
  gpiolib: cdev: improve documentation of get/set values
  gpiolib: cdev: fully adopt guard() and scoped_guard()
  gpiolib: remove debounce_period_us from struct gpio_desc
  ...
2024-01-12 13:35:31 -08:00
Linus Torvalds
61f4c3e671 linux-watchdog 6.8-rc1 tag
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Merge tag 'linux-watchdog-6.8-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - Add Mediatek MT7988 watchdog

 - Add IT8659 watchdog

 - watchdog: set cdev owner before adding

 - hpwdt: Only claim UNKNOWN NMI if from iLO

 - Various other fixes and improvements

* tag 'linux-watchdog-6.8-rc1' of git://www.linux-watchdog.org/linux-watchdog: (30 commits)
  watchdog: mlx_wdt: fix all kernel-doc warnings
  dt-bindings: watchdog: qcom,pm8916-wdt: add parent spmi node to example
  dt-bindings: watchdog: nxp,pnx4008-wdt: convert txt to yaml
  dt-bindings: watchdog: qca,ar7130-wdt: convert txt to yaml
  dt-bindings: watchdog: intel,keembay: reference common watchdog schema
  dt-bindings: watchdog: re-order entries to match coding convention
  watchdog: it87_wdt: Keep WDTCTRL bit 3 unmodified for IT8784/IT8786
  watchdog: it87_wdt: Add IT8659 ID
  watchdog: it87_wdt: Remove redundant max_units setting
  watchdog: it87_wdt: add blank line after variable declaration
  dt-bindings: wdt: Add ts72xx
  dt-bindings: watchdog: dlg,da9062-watchdog: Document DA9063 watchdog
  dt-bindings: watchdog: dlg,da9062-watchdog: Add fallback for DA9061 watchdog
  watchdog: rti_wdt: Drop runtime pm reference count when watchdog is unused
  watchdog: starfive: add lock annotations to fix context imbalances
  watchdog: mediatek: mt7988: add wdt support
  dt-bindings: watchdog: mediatek,mtk-wdt: add MT7988 watchdog and toprgu
  dt-bindings: watchdog: realtek,rtd1295-watchdog: convert txt to yaml
  watchdog: bcm2835_wdt: Fix WDIOC_SETTIMEOUT handling
  watchdog/hpwdt: Remove unused variable
  ...
2024-01-12 13:32:30 -08:00