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Fixes: bd1af6b5fffd ("Documentation: ABI: sysfs-class-net-qmi: document pass-through file")
Signed-off-by: Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
request sockets are lockless, __tcp_oow_rate_limited() could be called
on the same object from different cpus. This is harmless.
Add READ_ONCE()/WRITE_ONCE() annotations to avoid a KCSAN report.
Fixes: 4ce7e93cb3fe ("tcp: rate limit ACK sent by SYN_RECV request sockets")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jason A. Donenfeld says:
====================
wireguard fixes for 6.4.2/6.5-rc1
Sorry to send these patches during the merge window, but they're net
fixes, not netdev enhancements, and while I'd ordinarily wait anyway,
I just got a first bug report for one of these fixes, which I originally
had thought was mostly unlikely. So please apply the following three
patches to net:
1) Make proper use of nr_cpu_ids with cpumask_next(), rather than
awkwardly using modulo, to handle dynamic CPU topology changes.
Linus noticed this a while ago and pointed it out, and today a user
actually got hit by it.
2) Respect persistent keepalive and other staged packets when setting
the private key after the interface is already up.
3) Use timer_delete_sync() instead of del_timer_sync(), per the
documentation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The documentation says that del_timer_sync is obsolete, and code should
use the equivalent timer_delete_sync instead, so switch to it.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Packets bound for peers can queue up prior to the device private key
being set. For example, if persistent keepalive is set, a packet is
queued up to be sent as soon as the device comes up. However, if the
private key hasn't been set yet, the handshake message never sends, and
no timer is armed to retry, since that would be pointless.
But, if a user later sets a private key, the expectation is that those
queued packets, such as a persistent keepalive, are actually sent. So
adjust the configuration logic to account for this edge case, and add a
test case to make sure this works.
Maxim noticed this with a wg-quick(8) config to the tune of:
[Interface]
PostUp = wg set %i private-key somefile
[Peer]
PublicKey = ...
Endpoint = ...
PersistentKeepalive = 25
Here, the private key gets set after the device comes up using a PostUp
script, triggering the bug.
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Cc: stable@vger.kernel.org
Reported-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Tested-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Link: https://lore.kernel.org/wireguard/87fs7xtqrv.fsf@gmail.com/
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Using `% nr_cpumask_bits` is slow and complicated, and not totally
robust toward dynamic changes to CPU topologies. Rather than storing the
next CPU in the round-robin, just store the last one, and also return
that value. This simplifies the loop drastically into a much more common
pattern.
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Cc: stable@vger.kernel.org
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Manuel Leiner <manuel.leiner@gmx.de>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Each sample script sources functions.sh before parameters.sh
which makes $APPEND undefined when trapping EXIT no matter in
append mode or not. Due to this when sample scripts finished
they always do "pgctrl reset" which resets pktgen config.
So move trap to each script after sourcing parameters.sh
and trap EXIT explicitly.
Signed-off-by: J.J. Martzki <mars14850@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When running Kselftests with the current selftests/net/config
the following problem can be seen with the net:xfrm_policy.sh
selftest:
# selftests: net: xfrm_policy.sh
[ 41.076721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 41.094787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 41.107635] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
# modprobe: FATAL: Module ip_tables not found in directory /lib/modules/6.1.36
# iptables v1.8.7 (legacy): can't initialize iptables table `filter': Table does not exist (do you need to insmod?)
# Perhaps iptables or your kernel needs to be upgraded.
# modprobe: FATAL: Module ip_tables not found in directory /lib/modules/6.1.36
# iptables v1.8.7 (legacy): can't initialize iptables table `filter': Table does not exist (do you need to insmod?)
# Perhaps iptables or your kernel needs to be upgraded.
# SKIP: Could not insert iptables rule
ok 1 selftests: net: xfrm_policy.sh # SKIP
This is because IPsec "policy" match support is not available
to the kernel.
This patch adds CONFIG_NETFILTER_XT_MATCH_POLICY as a module
to the selftests/net/config file, so that `make
kselftest-merge` can take this into consideration.
Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
There was a regression introduced by the blamed commit, where pinging to
a VLAN-unaware bridge would fail with the repeated message "Couldn't
decode source port" coming from the tagging protocol driver.
When receiving packets with a bridge_vid as determined by
dsa_tag_8021q_bridge_join(), dsa_8021q_rcv() will decode:
- source_port = 0 (which isn't really valid, more like "don't know")
- switch_id = 0 (which isn't really valid, more like "don't know")
- vbid = value in range 1-7
Since the blamed patch has reversed the order of the checks, we are now
going to believe that source_port != -1 and switch_id != -1, so they're
valid, but they aren't.
The minimal solution to the problem is to only populate source_port and
switch_id with what dsa_8021q_rcv() came up with, if the vbid is zero,
i.e. the source port information is trustworthy.
Fixes: c1ae02d87689 ("net: dsa: tag_sja1105: always prefer source port information from INCL_SRCPT")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
According to the synchronization rules for .ndo_get_stats() as seen in
Documentation/networking/netdevices.rst, acquiring a plain spin_lock()
should not be illegal, but the bridge driver implementation makes it so.
After running these commands, I am being faced with the following
lockdep splat:
$ ip link add link swp0 name macsec0 type macsec encrypt on && ip link set swp0 up
$ ip link add dev br0 type bridge vlan_filtering 1 && ip link set br0 up
$ ip link set macsec0 master br0 && ip link set macsec0 up
========================================================
WARNING: possible irq lock inversion dependency detected
6.4.0-04295-g31b577b4bd4a #603 Not tainted
--------------------------------------------------------
swapper/1/0 just changed the state of lock:
ffff6bd348724cd8 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x34/0x198
but this lock took another, SOFTIRQ-unsafe lock in the past:
(&ocelot->stats_lock){+.+.}-{3:3}
and interrupts could create inverse lock ordering between them.
other info that might help us debug this:
Chain exists of:
&br->lock --> &br->hash_lock --> &ocelot->stats_lock
Possible interrupt unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ocelot->stats_lock);
local_irq_disable();
lock(&br->lock);
lock(&br->hash_lock);
<Interrupt>
lock(&br->lock);
*** DEADLOCK ***
(details about the 3 locks skipped)
swp0 is instantiated by drivers/net/dsa/ocelot/felix.c, and this
only matters to the extent that its .ndo_get_stats64() method calls
spin_lock(&ocelot->stats_lock).
Documentation/locking/lockdep-design.rst says:
| A lock is irq-safe means it was ever used in an irq context, while a lock
| is irq-unsafe means it was ever acquired with irq enabled.
(...)
| Furthermore, the following usage based lock dependencies are not allowed
| between any two lock-classes::
|
| <hardirq-safe> -> <hardirq-unsafe>
| <softirq-safe> -> <softirq-unsafe>
Lockdep marks br->hash_lock as softirq-safe, because it is sometimes
taken in softirq context (for example br_fdb_update() which runs in
NET_RX softirq), and when it's not in softirq context it blocks softirqs
by using spin_lock_bh().
Lockdep marks ocelot->stats_lock as softirq-unsafe, because it never
blocks softirqs from running, and it is never taken from softirq
context. So it can always be interrupted by softirqs.
There is a call path through which a function that holds br->hash_lock:
fdb_add_hw_addr() will call a function that acquires ocelot->stats_lock:
ocelot_port_get_stats64(). This can be seen below:
ocelot_port_get_stats64+0x3c/0x1e0
felix_get_stats64+0x20/0x38
dsa_slave_get_stats64+0x3c/0x60
dev_get_stats+0x74/0x2c8
rtnl_fill_stats+0x4c/0x150
rtnl_fill_ifinfo+0x5cc/0x7b8
rtmsg_ifinfo_build_skb+0xe4/0x150
rtmsg_ifinfo+0x5c/0xb0
__dev_notify_flags+0x58/0x200
__dev_set_promiscuity+0xa0/0x1f8
dev_set_promiscuity+0x30/0x70
macsec_dev_change_rx_flags+0x68/0x88
__dev_set_promiscuity+0x1a8/0x1f8
__dev_set_rx_mode+0x74/0xa8
dev_uc_add+0x74/0xa0
fdb_add_hw_addr+0x68/0xd8
fdb_add_local+0xc4/0x110
br_fdb_add_local+0x54/0x88
br_add_if+0x338/0x4a0
br_add_slave+0x20/0x38
do_setlink+0x3a4/0xcb8
rtnl_newlink+0x758/0x9d0
rtnetlink_rcv_msg+0x2f0/0x550
netlink_rcv_skb+0x128/0x148
rtnetlink_rcv+0x24/0x38
the plain English explanation for it is:
The macsec0 bridge port is created without p->flags & BR_PROMISC,
because it is what br_manage_promisc() decides for a VLAN filtering
bridge with a single auto port.
As part of the br_add_if() procedure, br_fdb_add_local() is called for
the MAC address of the device, and this results in a call to
dev_uc_add() for macsec0 while the softirq-safe br->hash_lock is taken.
Because macsec0 does not have IFF_UNICAST_FLT, dev_uc_add() ends up
calling __dev_set_promiscuity() for macsec0, which is propagated by its
implementation, macsec_dev_change_rx_flags(), to the lower device: swp0.
This triggers the call path:
dev_set_promiscuity(swp0)
-> rtmsg_ifinfo()
-> dev_get_stats()
-> ocelot_port_get_stats64()
with a calling context that lockdep doesn't like (br->hash_lock held).
Normally we don't see this, because even though many drivers that can be
bridge ports don't support IFF_UNICAST_FLT, we need a driver that
(a) doesn't support IFF_UNICAST_FLT, *and*
(b) it forwards the IFF_PROMISC flag to another driver, and
(c) *that* driver implements ndo_get_stats64() using a softirq-unsafe
spinlock.
Condition (b) is necessary because the first __dev_set_rx_mode() calls
__dev_set_promiscuity() with "bool notify=false", and thus, the
rtmsg_ifinfo() code path won't be entered.
The same criteria also hold true for DSA switches which don't report
IFF_UNICAST_FLT. When the DSA master uses a spin_lock() in its
ndo_get_stats64() method, the same lockdep splat can be seen.
I think the deadlock possibility is real, even though I didn't reproduce
it, and I'm thinking of the following situation to support that claim:
fdb_add_hw_addr() runs on a CPU A, in a context with softirqs locally
disabled and br->hash_lock held, and may end up attempting to acquire
ocelot->stats_lock.
In parallel, ocelot->stats_lock is currently held by a thread B (say,
ocelot_check_stats_work()), which is interrupted while holding it by a
softirq which attempts to lock br->hash_lock.
Thread B cannot make progress because br->hash_lock is held by A. Whereas
thread A cannot make progress because ocelot->stats_lock is held by B.
When taking the issue at face value, the bridge can avoid that problem
by simply making the ports promiscuous from a code path with a saner
calling context (br->hash_lock not held). A bridge port without
IFF_UNICAST_FLT is going to become promiscuous as soon as we call
dev_uc_add() on it (which we do unconditionally), so why not be
preemptive and make it promiscuous right from the beginning, so as to
not be taken by surprise.
With this, we've broken the links between code that holds br->hash_lock
or br->lock and code that calls into the ndo_change_rx_flags() or
ndo_get_stats64() ops of the bridge port.
Fixes: 2796d0c648c9 ("bridge: Automatically manage port promiscuous mode.")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The variable codec->regmap is often protected by the lock
codec->regmap_lock when is accessed. However, it is accessed without
holding the lock when is accessed in snd_hdac_regmap_sync():
if (codec->regmap)
In my opinion, this may be a harmful race, because if codec->regmap is
set to NULL right after the condition is checked, a null-pointer
dereference can occur in the called function regcache_sync():
map->lock(map->lock_arg); --> Line 360 in drivers/base/regmap/regcache.c
To fix this possible null-pointer dereference caused by data race, the
mutex_lock coverage is extended to protect the if statement as well as the
function call to regcache_sync().
[ Note: the lack of the regmap_lock itself is harmless for the current
codec driver implementations, as snd_hdac_regmap_sync() is only for
PM runtime resume that is prohibited during the codec probe.
But the change makes the whole code more consistent, so it's merged
as is -- tiwai ]
Reported-by: BassCheck <bass@buaa.edu.cn>
Signed-off-by: Tuo Li <islituo@gmail.com>
Link: https://lore.kernel.org/r/20230703031016.1184711-1-islituo@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
These models use NSIWAY amplifiers for internal speaker, but cannot put
sound outside from these amplifiers. So eapd verbs are needed to initialize
the amplifiers. They can be added during boot to get working sound out
of internal speaker.
Signed-off-by: dengxiang <dengxiang@nfschina.com>
Link: https://lore.kernel.org/r/20230703021751.2945750-1-dengxiang@nfschina.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Freescale PCIe controllers on their PCIe Root Ports do not have any
mappable PCI BAR allocate from PCIe MEM.
Information about 1MB window on BAR0 of PCIe Root Port was misleading
because Freescale PCIe controllers have at BAR0 position different register
PEXCSRBAR, and kernel correctly skipts BAR0 for these Freescale PCIe Root
Ports.
So update comment about P2020 PCIe Root Port and decrease PCIe MEM size
required for PCIe controller (pci2 node) on which is on-board xHCI
controller.
lspci confirms that on P2020 PCIe Root Port is no PCI BAR and /proc/iomem
sees that only c0000000-c000ffff and c0010000-c0011fff ranges are used.
Fixes: 54c15ec3b738 ("powerpc: dts: Add DTS file for CZ.NIC Turris 1.x routers")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230505172818.18416-1-pali@kernel.org
The powerpc/platforms/pseries/mobility.c calls
watchdog_hardlockup_set_timeout_pct(), which is declared in
<asm/nmi.h>. We used to automatically get <asm/nmi.h> included, but
that changed as of commit 7ca8fe94aa92 ("watchdog/hardlockup: define
HARDLOCKUP_DETECTOR_ARCH"). Let's add the explicit include.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/r/af19b76d-aa4b-6c88-9cac-eae4b2072497@infradead.org
Fixes: 7ca8fe94aa92 ("watchdog/hardlockup: define HARDLOCKUP_DETECTOR_ARCH")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230629124500.1.I55e2f4e7903d686c4484cb23c033c6a9e1a9d4c4@changeid
In a randconfig with CONFIG_SERIAL_CPM=m and
CONFIG_PPC_EARLY_DEBUG_CPM=y, there is a build error:
ERROR: modpost: "udbg_putc" [drivers/tty/serial/cpm_uart/cpm_uart.ko] undefined!
Prevent the build error by allowing PPC_EARLY_DEBUG_CPM only when
SERIAL_CPM=y.
Fixes: c374e00e17f1 ("[POWERPC] Add early debug console for CPM serial ports.")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230701054714.30512-1-rdunlap@infradead.org
Metafile /proc/fs/ntfs3/<dev>/label allows to read/write current ntfs label.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Just define in ntfs.h
#define MFTRECORD_FIXUP_OFFSET MFTRECORD_FIXUP_OFFSET_1
or
#define MFTRECORD_FIXUP_OFFSET MFTRECORD_FIXUP_OFFSET_3
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Check functions arguments. Use u8 instead of size_t for ntfs names, more consts and other.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
'cause it may be faked boot.
Let ntfs to be mounted and update boot later.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
syzbot is reporting too large allocation at ntfs_load_attr_list(), for
a crafted filesystem can have huge data_size.
Reported-by: syzbot <syzbot+89dbb3a789a5b9711793@syzkaller.appspotmail.com>
Link: https://syzkaller.appspot.com/bug?extid=89dbb3a789a5b9711793
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
In a previous commit 2681631c2973 ("fs/ntfs3: Add null pointer check to
attr_load_runs_vcn"), ni can be NULL in attr_load_runs_vcn(), and thus it
should be checked before being used.
However, in the call stack of this commit, mft_ni in mi_read() is
aliased with ni in attr_load_runs_vcn(), and it is also used in
mi_read() at two places:
mi_read()
rw_lock = &mft_ni->file.run_lock -> No check
attr_load_runs_vcn(mft_ni, ...)
ni (namely mft_ni) is checked in the previous commit
attr_load_runs_vcn(..., &mft_ni->file.run) -> No check
Thus, to avoid possible null-pointer dereferences, the related checks
should be added.
These bugs are reported by a static analysis tool implemented by myself,
and they are found by extending a known bug fixed in the previous commit.
Thus, they could be theoretical bugs.
Signed-off-by: Jia-Ju Bai <baijiaju@buaa.edu.cn>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Convert to use i_blocksize() for readability.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
[almaz.alexandrovich@paragon-software.com:
the patch has been partially accepted for performance reasons]
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Here is a BUG report from syzbot:
BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:191 [inline]
BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710
Read of size 1 at addr ffff888021acaf3d by task syz-executor128/3632
Call Trace:
ntfs_list_ea fs/ntfs3/xattr.c:191 [inline]
ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710
vfs_listxattr fs/xattr.c:457 [inline]
listxattr+0x293/0x2d0 fs/xattr.c:804
Fix the logic of ea_all iteration. When the ea->name_len is 0,
return immediately, or Add2Ptr() would visit invalid memory
in the next loop.
Fixes: be71b5cba2e6 ("fs/ntfs3: Add attrib operations")
Reported-by: syzbot+9fcea5ef6dc4dc72d334@syzkaller.appspotmail.com
Signed-off-by: Zeng Heng <zengheng4@huawei.com>
[almaz.alexandrovich@paragon-software.com: lines of the patch have changed]
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* Fix a type signature mismatch.
* Drop Christoph as maintainer.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'iomap-6.5-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap updates from Darrick Wong:
- Fix a type signature mismatch
- Drop Christoph as maintainer
* tag 'iomap-6.5-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: drop me [hch] from MAINTAINERS for iomap
fs: iomap: Change the type of blocksize from 'int' to 'unsigned int' in iomap_file_buffered_write_punch_delalloc
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Merge tag 'v6.5/vfs.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fix from Christian Brauner:
"A fix for the backing file work from this cycle.
When init_file() failed it would call file_free_rcu() on the file
allocated by the caller of init_file(). It naively assumed that the
correct cleanup operation would be called depending on whether it is a
regular file or a backing file. However, that presupposes that the
FMODE_BACKING flag would already be set which it won't be as that is
done in the caller of init_file().
Fix that bug by moving the cleanup of the allocated file into the
caller where it belongs in the first place. There's no good reason for
init_file() to consume resources it didn't allocate. This is a
mainline only fix and was reported by syzbot. The fix was validated by
syzbot against the provided reproducer"
* tag 'v6.5/vfs.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs: move cleanup from init_file() into its callers
* I2C has now a co-maintainer taking care of the host drivers. Welcome
Andi Shyti and have fun!
* platform remove callback converted to return void in drivers
* simplify drivers by using devm_clk_get_enabled()
* introduce i2c_get_match_data() to avoid more boilerplate code
(especially since the core stopped delivering an i2c_device_id)
* and the usual bunch of driver updates
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Merge tag 'i2c-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- I2C has now a co-maintainer taking care of the host drivers. Welcome
Andi Shyti and have fun!
- platform remove callback converted to return void in drivers
- simplify drivers by using devm_clk_get_enabled()
- introduce i2c_get_match_data() to avoid more boilerplate code
(especially since the core stopped delivering an i2c_device_id)
- and the usual bunch of driver updates
* tag 'i2c-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
i2c: uniphier: Use devm_clk_get_enabled()
i2c: uniphier-f: Use devm_clk_get_enabled()
i2c: owl: Use devm_clk_get_enabled()
i2c: lpc2k: Use devm_clk_get_enabled()
i2c: hix5hd2: Use devm_clk_get_enabled()
i2c: sun6i-p2wi: Use devm_clk_get_enabled()
i2c: pasemi-platform: Use devm_clk_get_enabled()
i2c: mt7621: Use devm_clk_get_enabled()
i2c: xiic: Use devm_clk_get_enabled()
i2c: davinci: Use platform table macro over module_alias
i2c: ocores: use devm_ managed clks
i2c: nomadik: Use dev_err_probe() whenever possible
i2c: nomadik: Use devm_clk_get_enabled()
i2c: nomadik: Remove unnecessary goto label
usb: typec: ucsi: Mark dGPUs as DEVICE scope
i2c: wmt: Use devm_platform_get_and_ioremap_resource()
i2c: versatile: Use devm_platform_get_and_ioremap_resource()
i2c: hix5hd2: Add I2C_M_STOP flag support for i2c-hix5hd2 driver.
i2c: mpc: Use of_property_read_reg() to parse "reg"
i2c: imx-lpi2c: Don't open-code DIV_ROUND_UP
...
* Add missing cacheflush() syscall
* Fix STI console on 64-bit-only machines
* Move kernel debug options to Kconfig.debug
* Lots of warning fixes in arch/parisc/ and drivers/parisc/ when
compiled with W=1
* Enable some more graphics drivers in refreshed defconfigs
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Merge tag 'parisc-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
- Add missing cacheflush() syscall
- Fix STI console on 64-bit-only machines
- Move kernel debug options to Kconfig.debug
- Lots of warning fixes in arch/parisc/ and drivers/parisc/ when
compiled with W=1
- Enable some more graphics drivers in refreshed defconfigs
* tag 'parisc-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (29 commits)
parisc: Refresh defconfigs
parisc: irq: Add irq-related function declarations
parisc: Move init function declarations into header file
parisc: dino: Make dino_init() returning void
parisc: lba_pci: Mark two variables __maybe_unused
parisc: unaligned: Include header file to avoid missing prototype warnings
parisc: signal: Mark do_notify_resume() and sys_rt_sigreturn() asmlinkage
parisc: unwind: Mark start and stop variables __maybe_unused
parisc: init: Drop unused variable end_paddr
parisc: traps: Mark functions static
parisc: processor: Fix kdoc for init_cpu_profiler()
parisc: sys_parisc: parisc_personality() is called from asm code
parisc: ccio-dma: Fix kdoc and compiler warnings
parisc: pdc_stable: Fix kdoc and compiler warnings
parisc: pci-dma: Make pcxl_alloc_range() static
parisc: Mark image_size __maybe_unused in perf_write()
parisc: module: Mark symindex __maybe_unused
parisc: pdc_chassis: Fix kdoc warnings
parisc: firmware: Fix kdoc warnings
parisc: drivers: Fix kdoc warnings
...
The value of "end" should be "start + length - 1".
Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Use struct initializers to ensure that the xfs_btree_irecs passed into
the query_range function are completely initialized. No functional
changes, just closing some sloppy hygiene.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Improve the validation of the fsmap offset fields in the query keys and
move the validation to the top of the function now that we have pushed
the low key adjustment code downwards.
Also fix some indenting issues that aren't worth a separate patch.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
The external log device fsmap backend doesn't have an rmapbt to query,
so it's wasteful to spend time initializing the rmap_irec objects.
Worse yet, the log could (someday) be longer than 2^32 fsblocks, so
using the rmap irec structure will result in integer overflows.
Fix this mess by computing the start address that we want from keys[0]
directly, and use the daddr-based record filtering algorithm that we
also use for rtbitmap queries.
Fixes: e89c041338ed ("xfs: implement the GETFSMAP ioctl")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
The rtbitmap fsmap backend doesn't query the rmapbt, so it's wasteful to
spend time initializing the rmap_irec objects. Worse yet, the logic to
query the rtbitmap is spread across three separate functions, which is
unnecessarily difficult to follow.
Compute the start rtextent that we want from keys[0] directly and
combine the functions to avoid passing parameters around everywhere, and
consolidate all the logic into a single function. At one point many
years ago I intended to use __xfs_getfsmap_rtdev as the launching point
for realtime rmapbt queries, but this hasn't been the case for a long
time.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
The realtime section ends at the last rt extent. If the user configures
the rt geometry with an extent size that is not an integer factor of the
number of rt blocks, it's possible for there to be rt blocks past the
end of the last rt extent. These tail blocks cannot ever be allocated
and will cause corruption reports if the last extent coincides with the
end of an rt bitmap block, so do not report consider them for the
GETFSMAP output.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
It's not correct to use the rmap irec structure to hold query key
information to query the rtbitmap because the realtime volume can be
longer than 2^32 fsblocks in length. Because the rt volume doesn't have
allocation groups, introduce a daddr-based record filtering algorithm
and compute the rtextent values using 64-bit variables. The same
problem exists in the external log device fsmap implementation, so use
the same solution to fix it too.
After this patch, all the code that touches info->low and info->high
under xfs_getfsmap_logdev and __xfs_getfsmap_rtdev are unnecessary.
Cleaning this up will be done in subsequent patches.
Fixes: 4c934c7dd60c ("xfs: report realtime space information via the rtbitmap")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
I noticed a bug in ranged GETFSMAP queries:
# xfs_io -c 'fsmap -vvvv' /opt
EXT: DEV BLOCK-RANGE OWNER FILE-OFFSET AG AG-OFFSET TOTAL
0: 8:80 [0..7]: static fs metadata 0 (0..7) 8
<snip>
9: 8:80 [192..223]: 137 0..31 0 (192..223) 32
# xfs_io -c 'fsmap -vvvv -d 208 208' /opt
#
That's not right -- we asked what block maps block 208, and we should've
received a mapping for inode 137 offset 16. Instead, we get nothing.
The root cause of this problem is a mis-interaction between the fsmap
code and how btree ranged queries work. xfs_btree_query_range returns
any btree record that overlaps with the query interval, even if the
record starts before or ends after the interval. Similarly, GETFSMAP is
supposed to return a recordset containing all records that overlap the
range queried.
However, it's possible that the recordset is larger than the buffer that
the caller provided to convey mappings to userspace. In /that/ case,
userspace is supposed to copy the last record returned to fmh_keys[0]
and call GETFSMAP again. In this case, we do not want to return
mappings that we have already supplied to the caller. The call to
xfs_btree_query_range is the same, but now we ignore any records that
start before fmh_keys[0].
Unfortunately, we didn't implement the filtering predicate correctly.
The predicate should only be called when we're calling back for more
records. Accomplish this by setting info->low.rm_blockcount to a
nonzero value and ensuring that it is cleared as necessary. As a
result, we no longer want to adjust dkeys[0] in the main setup function
because that's confusing.
This patch doesn't touch the logdev/rtbitmap backends because they have
bigger problems that will be addressed by subsequent patches.
Found via xfs/556 with parent pointers enabled.
Fixes: e89c041338ed ("xfs: implement the GETFSMAP ioctl")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Hariprasad Kelam says:
====================
octeontx2-af: MAC block fixes for CN10KB
This patch set contains fixes for the issues encountered in testing
CN10KB MAC block RPM_USX.
Patch1: firmware to kernel communication is not working due to wrong
interrupt configuration. CSR addresses are corrected.
Patch2: NIX to RVU PF mapping errors encountered due to wrong firmware
config. Corrects this mapping error.
Patch3: Driver is trying to access non exist cgx/lmac which is resulting
in kernel panic. Address this issue by adding proper checks.
Patch4: MAC features are not getting reset on FLR. Fix the issue by
resetting the stale config.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
AF driver configures MAC features like internal loopback and PFC upon
receiving the request from PF and its VF netdev. But these
features are not getting reset in FLR. This patch fixes the issue by
resetting the same.
Fixes: 23999b30ae67 ("octeontx2-af: Enable or disable CGX internal loopback")
Fixes: 1121f6b02e7a ("octeontx2-af: Priority flow control configuration support")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
with the addition of new MAC blocks like CN10K RPM and CN10KB
RPM_USX, LMACs are noncontiguous and CGX blocks are also
noncontiguous. But during RVU driver initialization, the driver
is assuming they are contiguous and trying to access
cgx or lmac with their id which is resulting in kernel panic.
This patch fixes the issue by adding proper checks.
[ 23.219150] pc : cgx_lmac_read+0x38/0x70
[ 23.219154] lr : rvu_program_channels+0x3f0/0x498
[ 23.223852] sp : ffff000100d6fc80
[ 23.227158] x29: ffff000100d6fc80 x28: ffff00010009f880 x27:
000000000000005a
[ 23.234288] x26: ffff000102586768 x25: 0000000000002500 x24:
fffffffffff0f000
Fixes: 91c6945ea1f9 ("octeontx2-af: cn10k: Add RPM MAC support")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
