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Half a year passed since commit 049fe5365324c ("net: txgbe: Add operations
to interact with firmware") was submitted, the buffer in
txgbe_calc_eeprom_checksum was not used. So remove it and the related
branch codes.
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Reviewed-by: Jiawen Wu <[email protected]>
Signed-off-by: Zhengchao Shao <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Fix an issue where the kernel would stall during netboot, showing the
"sched: RT throttling activated" message. This stall was triggered by
the behavior of the mii_interrupt bit (Bit 7 - DP83TD510E_STS_MII_INT)
in the DP83TD510E's PHY_STS Register (Address = 0x10). The DP83TD510E
datasheet (2020) states that the bit clears on write, however, in
practice, the bit clears on read.
This discrepancy had significant implications on the driver's interrupt
handling. The PHY_STS Register was used by handle_interrupt() to check
for pending interrupts and by read_status() to get the current link
status. The call to read_status() was unintentionally clearing the
mii_interrupt status bit without deasserting the IRQ pin, causing
handle_interrupt() to miss other pending interrupts. This issue was most
apparent during netboot.
The fix refrains from using the PHY_STS Register for interrupt handling.
Instead, we now solely rely on the INTERRUPT_REG_1 Register (Address =
0x12) and INTERRUPT_REG_2 Register (Address = 0x13) for this purpose.
These registers directly influence the IRQ pin state and are latched
high until read.
Note: The INTERRUPT_REG_2 Register (Address = 0x13) exists and can also
be used for interrupt handling, specifically for "Aneg page received
interrupt" and "Polarity change interrupt". However, these features are
currently not supported by this driver.
Fixes: 165cd04fe253 ("net: phy: dp83td510: Add support for the DP83TD510 Ethernet PHY")
Cc: <[email protected]>
Signed-off-by: Oleksij Rempel <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Russell King says:
====================
Add and use helper for PCS negotiation modes
Earlier this month, I proposed a helper for deciding whether a PCS
should use inband negotiation modes or not. There was some discussion
around this topic, and I believe there was no disagreement about
providing the helper.
The initial discussion can be found at:
https://lore.kernel.org/r/[email protected]
Subsequently, I posted a RFC series back in May:
https://lore.kernel.org/r/[email protected]
that added a helper, phylink_pcs_neg_mode() which PCS drivers could use
to parse the state, and updated a bunch of drivers to use it. I got
a couple of bits of feedback to it, including some ACKs.
However, I've decided to take this slightly further and change the
"mode" parameter to both the pcs_config() and pcs_link_up() methods
when a PCS driver opts in to this (by setting "neg_mode" in the
phylink_pcs structure.) If this is not set, we default to the old
behaviour. That said, this series converts all the PCS implementations
I can find currently in net-next.
Doing this has the added benefit that the negotiation mode parameter
is also available to the pcs_link_up() function, which can now know
whether inband negotiation was in fact enabled or not at pcs_config()
time.
It has been posted as RFC at:
https://lore.kernel.org/r/ZIh/[email protected]
and received one reply, thanks Elad, which is a similar amount of
interest to previous postings. Let's post it as non-RFC and see
whether we get more reaction.
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update macb's embedded PCS drivers to use neg_mode, even though it
makes no use of it or the "mode" argument. This makes the driver
consistent with converted drivers.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update mt7530's embedded PCS driver to use neg_mode, even though it
makes no use of it or the "mode" argument. This makes the driver
consistent with converted drivers.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update B53's embedded PCS driver to use neg_mode, even though it makes
no use of it or the "mode" argument. This makes the driver consistent
with converted drivers.
Signed-off-by: Russell King (Oracle) <[email protected]>
Acked-by: Florian Fainelli <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update Sparx5's embedded PCS driver to use neg_mode rather than the
mode argument. As there is no pcs_link_up() method, this only affects
the pcs_config() method.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update qca8k's embedded PCS driver to use neg_mode rather than the
mode argument. As there is no pcs_link_up() method, this only affects
the pcs_config() method.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update prestera's embedded PCS driver to use neg_mode rather than the
mode argument. As there is no pcs_link_up() method, this only affects
the pcs_config() method.
Acked-by: Elad Nachman <[email protected]>
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update mvpp2's embedded PCS drivers to use neg_mode rather than the
mode argument, remembering to update the ACPI path as well. As there
are no pcs_link_up() methods, this only affects the two pcs_config()
methods.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update mvneta's embedded PCS driver to use neg_mode rather than the
mode argument. As there is no pcs_link_up() method, this only affects
the pcs_config() method.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update lan966x's embedded PCS driver to use neg_mode rather than the
mode argument. As there is no pcs_link_up() method, this only affects
the pcs_config() method.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update the Lynx PCS driver to use neg_mode rather than the mode
argument. This ensures that the link_up() method will always program
the speed and duplex when negotiation is disabled.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update the Lynxi PCS driver to use neg_mode rather than the mode
argument. This ensures that the link_up() method will always program
the speed and duplex when negotiation is disabled.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update xpcs to use neg_mode to configure whether inband negotiation
should be used. We need to update sja1105 as well as that directly
calls into the XPCS driver's config function.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Convert fman_dtsec, xilinx_axienet and pcs-lynx to pass the neg_mode
into phylink_mii_c22_pcs_config(). Where appropriate, drivers are
updated to have neg_mode passed into their pcs_config() and
pcs_link_up() functions. For other drivers, we just hoist the call
to phylink_pcs_neg_mode() to their pcs_config() method out of
phylink_mii_c22_pcs_config().
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Use phylink_pcs_neg_mode() for phylink_mii_c22_pcs_config(). This
results in no functional change.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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PCS have to work out whether they should enable PCS negotiation by
looking at the "mode" and "interface" arguments, and the Autoneg bit
in the advertising mask.
This leads to some complex logic, so lets pull that out into phylink
and instead pass a "neg_mode" argument to the PCS configuration and
link up methods, instead of the "mode" argument.
In order to transition drivers, add a "neg_mode" flag to the phylink
PCS structure to PCS can indicate whether they want to be passed the
neg_mode or the old mode argument.
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Yueh-Shun Li says:
====================
Fix comment typos about "transmit"
Fix typos about "transmit" missing the first "s"
found by searching with keyword "tram" in the first 7
patches.
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Spell "retransmit" properly.
Found by searching for keyword "tranm".
Signed-off-by: Yueh-Shun Li <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Spell "transmissions" properly.
Found by searching for keyword "tranm".
Signed-off-by: Yueh-Shun Li <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Spell "transmission" properly.
Found by searching for keyword "tranm".
Signed-off-by: Yueh-Shun Li <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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syzbot reports that some netdev devices do not have a six bytes
address [1]
Replace ETH_ALEN by dev->addr_len.
[1] (Case of a device where dev->addr_len = 4)
BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak in copyout+0xb8/0x100 lib/iov_iter.c:169
instrument_copy_to_user include/linux/instrumented.h:114 [inline]
copyout+0xb8/0x100 lib/iov_iter.c:169
_copy_to_iter+0x6d8/0x1d00 lib/iov_iter.c:536
copy_to_iter include/linux/uio.h:206 [inline]
simple_copy_to_iter+0x68/0xa0 net/core/datagram.c:513
__skb_datagram_iter+0x123/0xdc0 net/core/datagram.c:419
skb_copy_datagram_iter+0x5c/0x200 net/core/datagram.c:527
skb_copy_datagram_msg include/linux/skbuff.h:3960 [inline]
netlink_recvmsg+0x4ae/0x15a0 net/netlink/af_netlink.c:1970
sock_recvmsg_nosec net/socket.c:1019 [inline]
sock_recvmsg net/socket.c:1040 [inline]
____sys_recvmsg+0x283/0x7f0 net/socket.c:2722
___sys_recvmsg+0x223/0x840 net/socket.c:2764
do_recvmmsg+0x4f9/0xfd0 net/socket.c:2858
__sys_recvmmsg net/socket.c:2937 [inline]
__do_sys_recvmmsg net/socket.c:2960 [inline]
__se_sys_recvmmsg net/socket.c:2953 [inline]
__x64_sys_recvmmsg+0x397/0x490 net/socket.c:2953
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Uninit was stored to memory at:
__nla_put lib/nlattr.c:1009 [inline]
nla_put+0x1c6/0x230 lib/nlattr.c:1067
nlmsg_populate_fdb_fill+0x2b8/0x600 net/core/rtnetlink.c:4071
nlmsg_populate_fdb net/core/rtnetlink.c:4418 [inline]
ndo_dflt_fdb_dump+0x616/0x840 net/core/rtnetlink.c:4456
rtnl_fdb_dump+0x14ff/0x1fc0 net/core/rtnetlink.c:4629
netlink_dump+0x9d1/0x1310 net/netlink/af_netlink.c:2268
netlink_recvmsg+0xc5c/0x15a0 net/netlink/af_netlink.c:1995
sock_recvmsg_nosec+0x7a/0x120 net/socket.c:1019
____sys_recvmsg+0x664/0x7f0 net/socket.c:2720
___sys_recvmsg+0x223/0x840 net/socket.c:2764
do_recvmmsg+0x4f9/0xfd0 net/socket.c:2858
__sys_recvmmsg net/socket.c:2937 [inline]
__do_sys_recvmmsg net/socket.c:2960 [inline]
__se_sys_recvmmsg net/socket.c:2953 [inline]
__x64_sys_recvmmsg+0x397/0x490 net/socket.c:2953
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Uninit was created at:
slab_post_alloc_hook+0x12d/0xb60 mm/slab.h:716
slab_alloc_node mm/slub.c:3451 [inline]
__kmem_cache_alloc_node+0x4ff/0x8b0 mm/slub.c:3490
kmalloc_trace+0x51/0x200 mm/slab_common.c:1057
kmalloc include/linux/slab.h:559 [inline]
__hw_addr_create net/core/dev_addr_lists.c:60 [inline]
__hw_addr_add_ex+0x2e5/0x9e0 net/core/dev_addr_lists.c:118
__dev_mc_add net/core/dev_addr_lists.c:867 [inline]
dev_mc_add+0x9a/0x130 net/core/dev_addr_lists.c:885
igmp6_group_added+0x267/0xbc0 net/ipv6/mcast.c:680
ipv6_mc_up+0x296/0x3b0 net/ipv6/mcast.c:2754
ipv6_mc_remap+0x1e/0x30 net/ipv6/mcast.c:2708
addrconf_type_change net/ipv6/addrconf.c:3731 [inline]
addrconf_notify+0x4d3/0x1d90 net/ipv6/addrconf.c:3699
notifier_call_chain kernel/notifier.c:93 [inline]
raw_notifier_call_chain+0xe4/0x430 kernel/notifier.c:461
call_netdevice_notifiers_info net/core/dev.c:1935 [inline]
call_netdevice_notifiers_extack net/core/dev.c:1973 [inline]
call_netdevice_notifiers+0x1ee/0x2d0 net/core/dev.c:1987
bond_enslave+0xccd/0x53f0 drivers/net/bonding/bond_main.c:1906
do_set_master net/core/rtnetlink.c:2626 [inline]
rtnl_newlink_create net/core/rtnetlink.c:3460 [inline]
__rtnl_newlink net/core/rtnetlink.c:3660 [inline]
rtnl_newlink+0x378c/0x40e0 net/core/rtnetlink.c:3673
rtnetlink_rcv_msg+0x16a6/0x1840 net/core/rtnetlink.c:6395
netlink_rcv_skb+0x371/0x650 net/netlink/af_netlink.c:2546
rtnetlink_rcv+0x34/0x40 net/core/rtnetlink.c:6413
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0xf28/0x1230 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x122f/0x13d0 net/netlink/af_netlink.c:1913
sock_sendmsg_nosec net/socket.c:724 [inline]
sock_sendmsg net/socket.c:747 [inline]
____sys_sendmsg+0x999/0xd50 net/socket.c:2503
___sys_sendmsg+0x28d/0x3c0 net/socket.c:2557
__sys_sendmsg net/socket.c:2586 [inline]
__do_sys_sendmsg net/socket.c:2595 [inline]
__se_sys_sendmsg net/socket.c:2593 [inline]
__x64_sys_sendmsg+0x304/0x490 net/socket.c:2593
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Bytes 2856-2857 of 3500 are uninitialized
Memory access of size 3500 starts at ffff888018d99104
Data copied to user address 0000000020000480
Fixes: d83b06036048 ("net: add fdb generic dump routine")
Reported-by: syzbot <[email protected]>
Signed-off-by: Eric Dumazet <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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syzbot reported a possible deadlock in netlink_set_err() [1]
A similar issue was fixed in commit 1d482e666b8e ("netlink: disable IRQs
for netlink_lock_table()") in netlink_lock_table()
This patch adds IRQ safety to netlink_set_err() and __netlink_diag_dump()
which were not covered by cited commit.
[1]
WARNING: possible irq lock inversion dependency detected
6.4.0-rc6-syzkaller-00240-g4e9f0ec38852 #0 Not tainted
syz-executor.2/23011 just changed the state of lock:
ffffffff8e1a7a58 (nl_table_lock){.+.?}-{2:2}, at: netlink_set_err+0x2e/0x3a0 net/netlink/af_netlink.c:1612
but this lock was taken by another, SOFTIRQ-safe lock in the past:
(&local->queue_stop_reason_lock){..-.}-{2:2}
and interrupts could create inverse lock ordering between them.
other info that might help us debug this:
Possible interrupt unsafe locking scenario:
CPU0 CPU1
---- ----
lock(nl_table_lock);
local_irq_disable();
lock(&local->queue_stop_reason_lock);
lock(nl_table_lock);
<Interrupt>
lock(&local->queue_stop_reason_lock);
*** DEADLOCK ***
Fixes: 1d482e666b8e ("netlink: disable IRQs for netlink_lock_table()")
Reported-by: [email protected]
Link: https://syzkaller.appspot.com/bug?extid=a7d200a347f912723e5c
Link: https://lore.kernel.org/netdev/[email protected]/T/#u
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Johannes Berg <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Commit 49725ffc15fc ("net: stmmac: power up/down serdes in
stmmac_open/release") correctly added a call to the serdes_powerdown()
callback to stmmac_release() but did not remove the one from
stmmac_remove() which leads to a doubled call to serdes_powerdown().
This can lead to all kinds of problems: in the case of the qcom ethqos
driver, it caused an unbalanced regulator disable splat.
Fixes: 49725ffc15fc ("net: stmmac: power up/down serdes in stmmac_open/release")
Signed-off-by: Bartosz Golaszewski <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Acked-by: Junxiao Chang <[email protected]>
Reviewed-by: Andrew Halaney <[email protected]>
Tested-by: Andrew Halaney <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Update email addresses of Marvell octeon_ep driver maintainers.
Also remove a former maintainer.
As a maintainer below are the responsibilities:
- Pushing the bug fixes and new features to upstream.
- Responsible for reviewing the external changes
submitted for the octeon_ep driver.
- Reply to maintainers questions in a timely manner.
Signed-off-by: Sathesh Edara <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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The Devicetree bindings should be picked up by subsystem maintainers,
but respective pattern for Bluetooth drivers was missing.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v6.4:
- Qaic imported dma-buf fix.
- Fix null pointer deref when printing a dp-mst message.
Signed-off-by: Dave Airlie <[email protected]>
From: Maarten Lankhorst <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Cross-merge networking fixes after downstream PR.
Conflicts:
tools/testing/selftests/net/fcnal-test.sh
d7a2fc1437f7 ("selftests: net: fcnal-test: check if FIPS mode is enabled")
dd017c72dde6 ("selftests: fcnal: Test SO_DONTROUTE on TCP sockets.")
https://lore.kernel.org/all/[email protected]/
https://lore.kernel.org/all/[email protected]/
No adjacent changes.
Signed-off-by: Jakub Kicinski <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from ipsec, bpf, mptcp and netfilter.
Current release - regressions:
- netfilter: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain
- eth: mlx5e:
- fix scheduling of IPsec ASO query while in atomic
- free IRQ rmap and notifier on kernel shutdown
Current release - new code bugs:
- phy: manual remove LEDs to ensure correct ordering
Previous releases - regressions:
- mptcp: fix possible divide by zero in recvmsg()
- dsa: revert "net: phy: dp83867: perform soft reset and retain
established link"
Previous releases - always broken:
- sched: netem: acquire qdisc lock in netem_change()
- bpf:
- fix verifier id tracking of scalars on spill
- fix NULL dereference on exceptions
- accept function names that contain dots
- netfilter: disallow element updates of bound anonymous sets
- mptcp: ensure listener is unhashed before updating the sk status
- xfrm:
- add missed call to delete offloaded policies
- fix inbound ipv4/udp/esp packets to UDPv6 dualstack sockets
- selftests: fixes for FIPS mode
- dsa: mt7530: fix multiple CPU ports, BPDU and LLDP handling
- eth: sfc: use budget for TX completions
Misc:
- wifi: iwlwifi: add support for SO-F device with PCI id 0x7AF0"
* tag 'net-6.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (74 commits)
revert "net: align SO_RCVMARK required privileges with SO_MARK"
net: wwan: iosm: Convert single instance struct member to flexible array
sch_netem: acquire qdisc lock in netem_change()
selftests: forwarding: Fix race condition in mirror installation
wifi: mac80211: report all unusable beacon frames
mptcp: ensure listener is unhashed before updating the sk status
mptcp: drop legacy code around RX EOF
mptcp: consolidate fallback and non fallback state machine
mptcp: fix possible list corruption on passive MPJ
mptcp: fix possible divide by zero in recvmsg()
mptcp: handle correctly disconnect() failures
bpf: Force kprobe multi expected_attach_type for kprobe_multi link
bpf/btf: Accept function names that contain dots
Revert "net: phy: dp83867: perform soft reset and retain established link"
net: mdio: fix the wrong parameters
netfilter: nf_tables: Fix for deleting base chains with payload
netfilter: nfnetlink_osf: fix module autoload
netfilter: nf_tables: drop module reference after updating chain
netfilter: nf_tables: disallow timeout for anonymous sets
netfilter: nf_tables: disallow updates of anonymous sets
...
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Pull kvm fixes from Paolo Bonzini:
"ARM:
- Correctly save/restore PMUSERNR_EL0 when host userspace is using
PMU counters directly
- Fix GICv2 emulation on GICv3 after the locking rework
- Don't use smp_processor_id() in kvm_pmu_probe_armpmu(), and
document why
Generic:
- Avoid setting page table entries pointing to a deleted memslot if a
host page table entry is changed concurrently with the deletion"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Avoid illegal stage2 mapping on invalid memory slot
KVM: arm64: Use raw_smp_processor_id() in kvm_pmu_probe_armpmu()
KVM: arm64: Restore GICv2-on-GICv3 functionality
KVM: arm64: PMU: Don't overwrite PMUSERENR with vcpu loaded
KVM: arm64: PMU: Restore the host's PMUSERENR_EL0
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
- Disable IRQs when switching mm in exit_lazy_flush_tlb() called from
exit_mmap()
Thanks to Nicholas Piggin and Sachin Sant.
* tag 'powerpc-6.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s/radix: Fix exit lazy tlb mm switch with irqs enabled
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fix from Bjorn Helgaas:
- Transfer Intel LGM GW PCIe maintenance from Rahul Tanwar to Chuanhua
Lei (Zhu YiXin)
* tag 'pci-v6.4-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
MAINTAINERS: Add Chuanhua Lei as Intel LGM GW PCIe maintainer
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- Fix support for deferred probing for several host drivers
- litex_mmc: Use async probe as it's common for all mmc hosts
- meson-gx: Fix bug when scheduling while atomic
- mmci_stm32: Fix max busy timeout calculation
- sdhci-msm: Disable broken 64-bit DMA on MSM8916
* tag 'mmc-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: usdhi60rol0: fix deferred probing
mmc: sunxi: fix deferred probing
mmc: sh_mmcif: fix deferred probing
mmc: sdhci-spear: fix deferred probing
mmc: sdhci-acpi: fix deferred probing
mmc: owl: fix deferred probing
mmc: omap_hsmmc: fix deferred probing
mmc: omap: fix deferred probing
mmc: mvsdio: fix deferred probing
mmc: mtk-sd: fix deferred probing
mmc: meson-gx: fix deferred probing
mmc: bcm2835: fix deferred probing
mmc: litex_mmc: set PROBE_PREFER_ASYNCHRONOUS
mmc: meson-gx: remove redundant mmc_request_done() call from irq context
mmc: mmci: stm32: fix max busy timeout calculation
mmc: sdhci-msm: Disable broken 64-bit DMA on MSM8916
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fix from Hans de Goede:
"One small fix for an AMD PMF driver issue which is causing issues for
users of just released AMD laptop models"
* tag 'platform-drivers-x86-v6.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/amd/pmf: Register notify handler only if SPS is enabled
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Pull io_uring fixes from Jens Axboe:
"A fix for a race condition with poll removal and linked timeouts, and
then a few followup fixes/tweaks for the msg_control patch from last
week.
Not super important, particularly the sparse fixup, as it was broken
before that recent commit. But let's get it sorted for real for this
release, rather than just have it broken a bit differently"
* tag 'io_uring-6.4-2023-06-21' of git://git.kernel.dk/linux:
io_uring/net: use the correct msghdr union member in io_sendmsg_copy_hdr
io_uring/net: disable partial retries for recvmsg with cmsg
io_uring/net: clear msg_controllen on partial sendmsg retry
io_uring/poll: serialize poll linked timer start with poll removal
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Merge series from Miquel Raynal <[email protected]>:
I recently came across an issue with the Atmel spi controller driver
which would stop my transfers after a too small timeout when performing
big transfers (reading a 4MiB flash in one transfer). My initial idea
was to derive a the maximum amount of time a transfer would take
depending on its size and use that as value to avoid erroring-out when
not relevant. Mark wanted to go further by creating a core helper doing
that, based on the heuristics from the sun6i driver.
Here is a small series of 3 patches doing exactly that.
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:
"It's late but here are two bug fixes. Both fix problems which can be
severe but are very confined in scope. The risk to most use cases
should be minimal.
- Fix for an old bug which triggers if a cgroup subsystem is
remounted to a different hierarchy while someone is reading its
cgroup.procs/tasks file. The risk is pretty low given how seldom
cgroup subsystems are moved across hierarchies.
- We moved cpus_read_lock() outside of cgroup internal locks a while
ago but forgot to update the legacy_freezer leading to lockdep
triggers. Fixed"
* tag 'cgroup-for-6.4-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: Do not corrupt task iteration when rebinding subsystem
cgroup,freezer: hold cpu_hotplug_lock before freezer_mutex in freezer_css_{online,offline}()
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A helper was recently added to the core to factorize common code between
drivers, like the amount of time a driver should wait for a transfer to
happen.
It is of course possible to use a default value (like eg. 1s) but it is
way stronger to adapt this amount of time to the transfer. Indeed, long
transfers (eg. 4MiB) on a slow single-spi bus might take more than the
usual second of timeout and prevent lengthy transfers.
The core helper was heavily inspired by the logic applied in this
driver, the only difference being the minimum amount of time which was
enlarged from 0.1s to 0.5s.
Use this helper instead of open-coding it.
Signed-off-by: Miquel Raynal <[email protected]>
Acked-by: Jernej Škrabec <[email protected]>
Link: https://lore.kernel.org/r/Message-Id: <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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A slow SPI bus clocks at ~20MHz, which means it would transfer about
2500 bytes per second with a single data line. Big transfers, like when
dealing with flashes can easily reach a few MiB. The current DMA timeout
is set to 1 second, which means any working transfer of about 4MiB will
always be cancelled.
With the above derivations, on a slow bus, we can assume every byte will
take at most 0.4ms. Said otherwise, we could add 4ms to the 1-second
timeout delay every 10kiB. On a 4MiB transfer, it would bring the
timeout delay up to 2.6s which still seems rather acceptable for a
timeout.
The consequence of this is that long transfers might be allowed, which
hence requires the need to interrupt the transfer if wanted by the
user. We can hence switch to the _interruptible variant of
wait_for_completion. This leads to a little bit more handling to also
handle the interrupted case but looks really acceptable overall.
While at it, we drop the useless, noisy and redundant WARN_ON() call.
Signed-off-by: Miquel Raynal <[email protected]>
Acked-by: Ryan Wanner <[email protected]>
Link: https://lore.kernel.org/r/Message-Id: <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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Switch the DT binding to a YAML schema to enable the DT validation.
There was also an incorrect reference to dma-names being "rxtx" where
the driver and existing device trees actually use dma-names = "data" so
this is corrected in the conversion.
Signed-off-by: Vadym Kochan <[email protected]>
Signed-off-by: Chris Packham <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]
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Reference mtd-physmap.yaml which contains all the relevant properties
for this device. Add "unevaluatedProperties: false" to avoid any
spurious addition of random properties.
Cc: Vignesh Raghavendra <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]
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nand-on-flash-bbt is a generic property which may apply to any raw NAND
chip, it does not need to be listed in each controller
description. The raw NAND chip description file which contains the
property is already referenced, so no need to mention the property here
again.
Cc: Matthias Brugger <[email protected]>
Cc: AngeloGioacchino Del Regno <[email protected]>
Cc: Xiangsheng Hou <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]
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The mediatek NAND controller should reference the new raw-nand-chip.yaml
binding instead of the original nand-chip.yaml which does not contain
*all* the properties that may be used to fully describe the NAND
devices, certain properties being actually described under
nand-controller.yaml.
Cc: Matthias Brugger <[email protected]>
Cc: AngeloGioacchino Del Regno <[email protected]>
Cc: Xiangsheng Hou <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]
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List all the possible properties in the NAND chip as per the example and
set unevaluatedProperties to false in the NAND chip section.
Cc: Maxime Coquelin <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Christophe Kerello <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]
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List all the possible properties in the NAND chip as per the example and
set unevaluatedProperties to false in the NAND chip section.
Cc: Heiko Stuebner <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]
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nand-ecc-mode is a generic property which may apply to any raw NAND
chip, it does not need to be listed in each controller
description. Instead, let's reference the raw NAND chip description file
which contains the property. The description contained
"additionalProperties: false" which is wrong as other properties such as
partitions might very well be added in the final .dts, and anyway needs
to be converted into "unexpectedProperties: false" to fit the property
change new requirements.
Cc: Vadivel Murugan <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]
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Ensure all raw NAND chip properties are valid by referencing the
relevant schema and set unevaluatedProperties to false in the NAND chip
section to avoid spurious additions of random properties.
Doing this in one location also saves us from dupplicating the
description of the NAND chip object.
Cc: Masahiro Yamada <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]
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Ensure all raw NAND chip properties are valid by referencing the
relevant schema and set unevaluatedProperties to false in the NAND chip
section to avoid spurious additions of random properties.
Cc: Brian Norris <[email protected]>
Cc: Kamal Dasu <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]
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Ensure all raw NAND chip properties are valid by referencing the
relevant schema and set unevaluatedProperties to false in the NAND chip
section to avoid spurious additions of random properties.
Cc: Liang Yang <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]
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