This cycle we ported all filesystems to the new posix acl api. While
looking at further simplifications in this area to remove the last
remnants of the generic dummy posix acl handlers we realized that we
regressed fuse daemons that don't set FUSE_POSIX_ACL but still make use
of posix acls.
With the change to a dedicated posix acl api interacting with posix acls
doesn't go through the old xattr codepaths anymore and instead only
relies the get acl and set acl inode operations.
Before this change fuse daemons that don't set FUSE_POSIX_ACL were able
to get and set posix acl albeit with two caveats. First, that posix acls
aren't cached. And second, that they aren't used for permission checking
in the vfs.
We regressed that use-case as we currently refuse to retrieve any posix
acls if they aren't enabled via FUSE_POSIX_ACL. So older fuse daemons
would see a change in behavior.
We can restore the old behavior in multiple ways. We could change the
new posix acl api and look for a dedicated xattr handler and if we find
one prefer that over the dedicated posix acl api. That would break the
consistency of the new posix acl api so we would very much prefer not to
do that.
We could introduce a new ACL_*_CACHE sentinel that would instruct the
vfs permission checking codepath to not call into the filesystem and
ignore acls.
But a more straightforward fix for v6.2 is to do the same thing that
Overlayfs does and give fuse a separate get acl method for permission
checking. Overlayfs uses this to express different needs for vfs
permission lookup and acl based retrieval via the regular system call
path as well. Let fuse do the same for now. This way fuse can continue
to refuse to retrieve posix acls for daemons that don't set
FUSE_POSXI_ACL for permission checking while allowing a fuse server to
retrieve it via the usual system calls.
In the future, we could extend the get acl inode operation to not just
pass a simple boolean to indicate rcu lookup but instead make it a flag
argument. Then in addition to passing the information that this is an
rcu lookup to the filesystem we could also introduce a flag that tells
the filesystem that this is a request from the vfs to use these acls for
permission checking. Then fuse could refuse the get acl request for
permission checking when the daemon doesn't have FUSE_POSIX_ACL set in
the same get acl method. This would also help Overlayfs and allow us to
remove the second method for it as well.
But since that change is more invasive as we need to update the get acl
inode operation for multiple filesystems we should not do this as a fix
for v6.2. Instead we will do this for the v6.3 merge window.
Fwiw, since posix acls are now always correctly translated in the new
posix acl api we could also allow them to be used for daemons without
FUSE_POSIX_ACL that are not mounted on the host. But this is behavioral
change and again if dones should be done for v6.3. For now, let's just
restore the original behavior.
A nice side-effect of this change is that for fuse daemons with and
without FUSE_POSIX_ACL the same code is used for posix acls in a
backwards compatible way. This also means we can remove the legacy xattr
handlers completely. We've also added comments to explain the expected
behavior for daemons without FUSE_POSIX_ACL into the code.
Fixes: 318e66856d ("xattr: use posix acl api")
Signed-off-by: Seth Forshee (Digital Ocean) <sforshee@kernel.org>
Reviewed-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Fix the following compiler warning:
drivers/platform/x86/hp/hp-wmi.c:551:24: warning: cast to smaller integer
type 'enum hp_wmi_radio' from 'void *' [-Wvoid-pointer-to-enum-cast]
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230123132824.660062-1-hdegoede@redhat.com
Some users may want to live with the bugs that exist in platform
firmware and have workarounds in AMD PMC driver.
To allow them to bypass these workarounds, introduce a module
parameter.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20230120191519.15926-2-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
By default when the system is configured for low power idle in the FADT
the keyboard is set up as a wake source. This matches the behavior that
Windows uses for Modern Standby as well.
It has been reported that a variety of AMD based designs there are
spurious wakeups are happening where two IRQ sources are active.
For example:
```
PM: Triggering wakeup from IRQ 9
PM: Triggering wakeup from IRQ 1
```
In these designs IRQ 9 is the ACPI SCI and IRQ 1 is the keyboard.
One way to trigger this problem is to suspend the laptop and then unplug
the AC adapter. The SOC will be in a hardware sleep state and plugging
in the AC adapter returns control to the kernel's s2idle loop.
Normally if just IRQ 9 was active the s2idle loop would advance any EC
transactions and no other IRQ being active would cause the s2idle loop
to put the SOC back into hardware sleep state.
When this bug occurred IRQ 1 is also active even if no keyboard activity
occurred. This causes the s2idle loop to break and the system to wake.
This is a platform firmware bug triggering IRQ1 without keyboard activity.
This occurs in Windows as well, but Windows will enter "SW DRIPS" and
then with no activity enters back into "HW DRIPS" (hardware sleep state).
This issue affects Renoir, Lucienne, Cezanne, and Barcelo platforms. It
does not happen on newer systems such as Mendocino or Rembrandt.
It's been fixed in newer platform firmware. To avoid triggering the bug
on older systems check the SMU F/W version and adjust the policy at suspend
time for s2idle wakeup from keyboard on these systems. A lot of thought
and experimentation has been given around the timing of disabling IRQ1,
and to make it work the "suspend" PM callback is restored.
Reported-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Reported-by: Xaver Hugl <xaver.hugl@gmail.com>
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2115
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1951
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20230120191519.15926-1-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Commit 1ea0d3b467 ("platform/x86: asus-wmi: Simplify tablet-mode-switch
handling") unified the asus-wmi tablet-switch handling, but it did not take
into account that the value returned for the kbd_dock_devid WMI method is
inverted where as the other ones are not inverted.
This causes asus-wmi to report an inverted tablet-switch state for devices
which use the kbd_dock_devid, which causes libinput to ignore touchpad
events while the affected T10x model 2-in-1s are docked.
Add inverting of the return value in the kbd_dock_devid case to fix this.
Fixes: 1ea0d3b467 ("platform/x86: asus-wmi: Simplify tablet-mode-switch handling")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230120143441.527334-1-hdegoede@redhat.com
To the best of my knowledge this is the same board as the B450M DS3H-CF,
but with an added WiFi card. Name obtained using dmidecode, tested
with force_load on v6.1.6
Signed-off-by: Kevin Kuriakose <kevinmkuriakose@gmail.com>
Acked-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230119150925.31962-1-kevinmkuriakose@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add support to map the "HP Omen Key" to KEY_PROG2. Laptops in the HP
Omen Series open the HP Omen Command Center application on windows. But,
on linux it fails with the following message from the hp-wmi driver:
[ 5143.415714] hp_wmi: Unknown event_id - 29 - 0x21a5
Also adds support to map Fn+Esc to KEY_FN_ESC. This currently throws the
following message on the hp-wmi driver:
[ 6082.143785] hp_wmi: Unknown key code - 0x21a7
There is also a "Win-Lock" key on HP Omen Laptops which supports
Enabling and Disabling the Windows key, which trigger commands 0x21a4
and 0x121a4 respectively, but I wasn't able to find any KEY in input.h
to map this to.
Signed-off-by: Rishit Bansal <rishitbansal0@gmail.com>
Link: https://lore.kernel.org/r/20230120221214.24426-1-rishitbansal0@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Some platforms send the speaker-mute key from EC. dell-wmi can't
recognize it.
Add a new keymap for KEY_MUTE in type 0x0010 table.
Signed-off-by: Koba Ko <koba.ko@canonical.com>
Link: https://lore.kernel.org/r/20230117123436.200440-1-koba.ko@canonical.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The DRM fbdev emulation layer sets the struct fb_info .fbdefio field to
a struct fb_deferred_io pointer, that is shared across all drivers that
use the generic drm_fbdev_generic_setup() helper function.
It is a problem because the fbdev core deferred I/O logic assumes that
the struct fb_deferred_io data is not shared between devices, and it's
stored there state such as the list of pages touched and a mutex that
is use to synchronize between the fb_deferred_io_track_page() function
that track the dirty pages and fb_deferred_io_work() workqueue handler
doing the actual deferred I/O.
The latter can lead to the following error, since it may happen that two
drivers are probed and then one is removed, which causes the mutex bo be
destroyed and not existing anymore by the time the other driver tries to
grab it for the fbdev deferred I/O logic:
[ 369.756553] ------------[ cut here ]------------
[ 369.756604] DEBUG_LOCKS_WARN_ON(lock->magic != lock)
[ 369.756631] WARNING: CPU: 2 PID: 1023 at kernel/locking/mutex.c:582 __mutex_lock+0x348/0x424
[ 369.756744] Modules linked in: nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ip
v6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr btsdio bluetooth sunrpc brcmfmac snd_soc_hdmi_codec cpufreq_dt cfg80211 vfat fat vc4 rfkill brcmutil raspberrypi_cpufreq i2c_bcm2835 iproc_rng200 bcm2711_thermal snd_soc_core snd_pcm_dmaen
gine leds_gpio nvmem_rmem joydev hid_cherry uas usb_storage gpio_raspberrypi_exp v3d snd_pcm raspberrypi_hwmon gpu_sched bcm2835_wdt broadcom bcm_phy_lib snd_timer genet snd mdio_bcm_unimac clk_bcm2711_dvp soundcore drm_display_helper pci
e_brcmstb cec ip6_tables ip_tables fuse
[ 369.757400] CPU: 2 PID: 1023 Comm: fbtest Not tainted 5.19.0-rc6+ #94
[ 369.757455] Hardware name: raspberrypi,4-model-b Raspberry Pi 4 Model B Rev 1.4/Raspberry Pi 4 Model B Rev 1.4, BIOS 2022.10 10/01/2022
[ 369.757538] pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 369.757596] pc : __mutex_lock+0x348/0x424
[ 369.757635] lr : __mutex_lock+0x348/0x424
[ 369.757672] sp : ffff80000953bb00
[ 369.757703] x29: ffff80000953bb00 x28: ffff17fdc087c000 x27: 0000000000000002
[ 369.757771] x26: ffff17fdc349f9b0 x25: fffffc5ff72e0100 x24: 0000000000000000
[ 369.757838] x23: 0000000000000000 x22: 0000000000000002 x21: ffffa618df636f10
[ 369.757903] x20: ffff80000953bb68 x19: ffffa618e0f18138 x18: 0000000000000001
[ 369.757968] x17: 0000000020000000 x16: 0000000000000002 x15: 0000000000000000
[ 369.758032] x14: 0000000000000000 x13: 284e4f5f4e524157 x12: 5f534b434f4c5f47
[ 369.758097] x11: 00000000ffffdfff x10: ffffa618e0c79f88 x9 : ffffa618de472484
[ 369.758162] x8 : 000000000002ffe8 x7 : c0000000ffffdfff x6 : 00000000000affa8
[ 369.758227] x5 : 0000000000001fff x4 : 0000000000000000 x3 : 0000000000000027
[ 369.758292] x2 : 0000000000000001 x1 : ffff17fdc087c000 x0 : 0000000000000028
[ 369.758357] Call trace:
[ 369.758383] __mutex_lock+0x348/0x424
[ 369.758420] mutex_lock_nested+0x4c/0x5c
[ 369.758459] fb_deferred_io_mkwrite+0x78/0x1d8
[ 369.758507] do_page_mkwrite+0x5c/0x19c
[ 369.758550] wp_page_shared+0x70/0x1a0
[ 369.758590] do_wp_page+0x3d0/0x510
[ 369.758628] handle_pte_fault+0x1c0/0x1e0
[ 369.758670] __handle_mm_fault+0x250/0x380
[ 369.758712] handle_mm_fault+0x17c/0x3a4
[ 369.758753] do_page_fault+0x158/0x530
[ 369.758792] do_mem_abort+0x50/0xa0
[ 369.758831] el0_da+0x78/0x19c
[ 369.758864] el0t_64_sync_handler+0xbc/0x150
[ 369.758904] el0t_64_sync+0x190/0x194
[ 369.758942] irq event stamp: 11395
[ 369.758973] hardirqs last enabled at (11395): [<ffffa618de472554>] __up_console_sem+0x74/0x80
[ 369.759042] hardirqs last disabled at (11394): [<ffffa618de47254c>] __up_console_sem+0x6c/0x80
[ 369.760554] softirqs last enabled at (11392): [<ffffa618de330a74>] __do_softirq+0x4c4/0x6b8
[ 369.762060] softirqs last disabled at (11383): [<ffffa618de3c9124>] __irq_exit_rcu+0x104/0x214
[ 369.763564] ---[ end trace 0000000000000000 ]---
Fixes: d536540f30 ("drm/fb-helper: Add generic fbdev emulation .fb_probe function")
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230121192418.2814955-4-javierm@redhat.com
The fb_deferred_io_init() can fail and return an errno code but currently
there is no check for its return value.
Fix that and propagate to errno to the caller in the case of a failure.
Fixes: d536540f30 ("drm/fb-helper: Add generic fbdev emulation .fb_probe function")
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230121192418.2814955-3-javierm@redhat.com
An SCTP endpoint can start an association through a path and tear it
down over another one. That means the initial path will not see the
shutdown sequence, and the conntrack entry will remain in ESTABLISHED
state for 5 days.
By merging the HEARTBEAT_ACKED and ESTABLISHED states into one
ESTABLISHED state, there remains no difference between a primary or
secondary path. The timeout for the merged ESTABLISHED state is set to
210 seconds (hb_interval * max_path_retrans + rto_max). So, even if a
path doesn't see the shutdown sequence, it will expire in a reasonable
amount of time.
With this change in place, there is now more than one state from which
we can transition to ESTABLISHED, COOKIE_ECHOED and HEARTBEAT_SENT, so
handle the setting of ASSURED bit whenever a state change has happened
and the new state is ESTABLISHED. Removed the check for dir==REPLY since
the transition to ESTABLISHED can happen only in the reply direction.
Fixes: 9fb9cbb108 ("[NETFILTER]: Add nf_conntrack subsystem.")
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This reverts commit (bff3d05348: "netfilter: conntrack: add sctp
DATA_SENT state")
Using DATA/SACK to detect a new connection on secondary/alternate paths
works only on new connections, while a HEARTBEAT is required on
connection re-use. It is probably consistent to wait for HEARTBEAT to
create a secondary connection in conntrack.
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
skb_header_pointer() will return NULL if offset + sizeof(_sch) exceeds
skb->len, so this offset < skb->len test is redundant.
if sch->length == 0, this will end up in an infinite loop, add a check
for sch->length > 0
Fixes: 9fb9cbb108 ("[NETFILTER]: Add nf_conntrack subsystem.")
Suggested-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
RFC 9260, Sec 8.5.1 states that for ABORT/SHUTDOWN_COMPLETE, the chunk
MUST be accepted if the vtag of the packet matches its own tag and the
T bit is not set OR if it is set to its peer's vtag and the T bit is set
in chunk flags. Otherwise the packet MUST be silently dropped.
Update vtag verification for ABORT/SHUTDOWN_COMPLETE based on the above
description.
Fixes: 9fb9cbb108 ("[NETFILTER]: Add nf_conntrack subsystem.")
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-01-20 (iavf)
This series contains updates to iavf driver only.
Michal Schmidt converts single iavf workqueue to per adapter to avoid
deadlock issues.
Marcin moves setting of VLAN related netdev features to watchdog task to
avoid RTNL deadlock.
Stefan Assmann schedules immediate watchdog task execution on changing
primary MAC to avoid excessive delay.
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
iavf: schedule watchdog immediately when changing primary MAC
iavf: Move netdev_update_features() into watchdog task
iavf: fix temporary deadlock and failure to set MAC address
====================
Link: https://lore.kernel.org/r/20230120211036.430946-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
1) Fix overlap detection in rbtree set backend: Detect overlap by going
through the ordered list of valid tree nodes. To shorten the number of
visited nodes in the list, this algorithm descends the tree to search
for an existing element greater than the key value to insert that is
greater than the new element.
2) Fix for the rbtree set garbage collector: Skip inactive and busy
elements when checking for expired elements to avoid interference
with an ongoing transaction from control plane.
This is a rather large fix coming at this stage of the 6.2-rc. Since
33c7aba0b4 ("netfilter: nf_tables: do not set up extensions for end
interval"), bogus overlap errors in the rbtree set occur more frequently.
* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nft_set_rbtree: skip elements in transaction from garbage collection
netfilter: nft_set_rbtree: Switch to node list walk for overlap detection
====================
Link: https://lore.kernel.org/r/20230123211601.292930-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
My responsibilities at Intel have changed, so I'm handing off exclusive
MPTCP subsystem maintainer duties to Matthieu. It has been a privilege
to see MPTCP through its initial upstreaming and first few years in the
upstream kernel!
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Link: https://lore.kernel.org/r/20230120231121.36121-1-mathew.j.martineau@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Driver marked broadcast/multicast frames as offloaded incorrectly.
Mark them as offloaded only when HW offloading has been enabled.
This should happen only for ADIN2111 when both ports are bridged
by the software.
Fixes: bc93e19d08 ("net: ethernet: adi: Add ADIN1110 support")
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230120090846.18172-1-alexandru.tachici@analog.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Starting with commit eee16b1471 ("net: dsa: microchip: perform the
compatibility check for dev probed"), the KSZ switch driver now bails
out if it thinks the DT compatible doesn't match the actual chip ID
read back from the hardware:
ksz9477-switch 1-005f: Device tree specifies chip KSZ9893 but found
KSZ8563, please fix it!
For the KSZ8563, which used ksz_switch_chips[KSZ9893], this was fine
at first, because it indeed shares the same chip id as the KSZ9893.
Commit b449080956 ("net: dsa: microchip: add separate struct
ksz_chip_data for KSZ8563 chip") started differentiating KSZ9893
compatible chips by consulting the 0x1F register. The resulting breakage
was fixed for the SPI driver in the same commit by introducing the
appropriate ksz_switch_chips[KSZ8563], but not for the I2C driver.
Fix this for I2C-connected KSZ8563 now to get it probing again.
Fixes: b449080956 ("net: dsa: microchip: add separate struct ksz_chip_data for KSZ8563 chip").
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20230120110933.1151054-1-a.fatoum@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
if (!type)
continue;
if (type > RTAX_MAX)
return false;
...
fi_val = fi->fib_metrics->metrics[type - 1];
@type being used as an array index, we need to prevent
cpu speculation or risk leaking kernel memory content.
Fixes: 5f9ae3d9e7 ("ipv4: do metrics match when looking up and deleting a route")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20230120133140.3624204-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
if (!type)
continue;
if (type > RTAX_MAX)
return -EINVAL;
...
metrics[type - 1] = val;
@type being used as an array index, we need to prevent
cpu speculation or risk leaking kernel memory content.
Fixes: 6cf9dfd3bd ("net: fib: move metrics parsing to a helper")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20230120133040.3623463-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Eric Dumazet says:
====================
netlink: annotate various data races
A recent syzbot report came to my attention.
After addressing it, I also fixed other related races.
====================
Link: https://lore.kernel.org/r/20230120125955.3453768-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
netlink_getsockbyportid() reads sk_state while a concurrent
netlink_connect() can change its value.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
netlink_getname(), netlink_sendmsg() and netlink_getsockbyportid()
can read nlk->dst_portid and nlk->dst_group while another
thread is changing them.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Skip interference with an ongoing transaction, do not perform garbage
collection on inactive elements. Reset annotated previous end interval
if the expired element is marked as busy (control plane removed the
element right before expiration).
Fixes: 8d8540c4f5 ("netfilter: nft_set_rbtree: add timeout support")
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
...instead of a tree descent, which became overly complicated in an
attempt to cover cases where expired or inactive elements would affect
comparisons with the new element being inserted.
Further, it turned out that it's probably impossible to cover all those
cases, as inactive nodes might entirely hide subtrees consisting of a
complete interval plus a node that makes the current insertion not
overlap.
To speed up the overlap check, descent the tree to find a greater
element that is closer to the key value to insert. Then walk down the
node list for overlap detection. Starting the overlap check from
rb_first() unconditionally is slow, it takes 10 times longer due to the
full linear traversal of the list.
Moreover, perform garbage collection of expired elements when walking
down the node list to avoid bogus overlap reports.
For the insertion operation itself, this essentially reverts back to the
implementation before commit 7c84d41416 ("netfilter: nft_set_rbtree:
Detect partial overlaps on insertion"), except that cases of complete
overlap are already handled in the overlap detection phase itself, which
slightly simplifies the loop to find the insertion point.
Based on initial patch from Stefano Brivio, including text from the
original patch description too.
Fixes: 7c84d41416 ("netfilter: nft_set_rbtree: Detect partial overlaps on insertion")
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The Asus U46E backlight tables have a set of interesting problems:
1. Its ACPI tables do make _OSI ("Windows 2012") checks, so
acpi_osi_is_win8() should return true.
But the tables have 2 sets of _OSI calls, one from the usual global
_INI method setting a global OSYS variable and a second set of _OSI
calls from a MSOS method and the MSOS method is the only one calling
_OSI ("Windows 2012").
The MSOS method only gets called in the following cases:
1. From some Asus specific WMI methods
2. From _DOD, which only runs after acpi_video_get_backlight_type()
has already been called by the i915 driver
3. From other ACPI video bus methods which never run (see below)
4. From some EC query callbacks
So when i915 calls acpi_video_get_backlight_type() MSOS has never run
and acpi_osi_is_win8() returns false, so acpi_video_get_backlight_type()
returns acpi_video as the desired backlight type, which causes
the intel_backlight device to not register.
2. _DOD effectively does this:
Return (Package (0x01)
{
0x0400
})
causing acpi_video_device_in_dod() to return false, which causes
the acpi_video backlight device to not register.
Leaving the user with no backlight device at all. Note that before 6.1.y
the i915 driver would register the intel_backlight device unconditionally
and since that then was the only backlight device userspace would use that.
Add a backlight=native DMI quirk for this special laptop to restore
the old (and working) behavior of the intel_backlight device registering.
Fixes: fb1836c913 ("ACPI: video: Prefer native over vendor")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The HP EliteBook 8460p predates Windows 8, so it defaults to using
acpi_video# for backlight control.
Starting with the 6.1.y kernels the native radeon_bl0 backlight is hidden
in this case instead of relying on userspace preferring acpi_video# over
native backlight devices.
It turns out that for the acpi_video# interface to work on
the HP EliteBook 8460p, the brightness needs to be set at least once
through the native interface, which now no longer is done breaking
backlight control.
The native interface however always works without problems, so add
a quirk to use native backlight on the EliteBook 8460p to fix this.
Fixes: fb1836c913 ("ACPI: video: Prefer native over vendor")
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2161428
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The HP Pavilion g6-1d80nr predates Windows 8, so it defaults to using
acpi_video# for backlight control, but this is non functional on
this model.
Add a DMI quirk to use the native backlight interface which does
work properly.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Honor reserved regions when testing for IOMMU find grained super
page support, avoiding a regression on s390 for a firmware device
where the existence of the mapping, even if unused can trigger
an error state. (Niklas Schnelle)
- Fix a deadlock in releasing KVM references by using the alternate
.release() rather than .destroy() callback for the kvm-vfio device.
(Yi Liu)
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Merge tag 'vfio-v6.2-rc6' of https://github.com/awilliam/linux-vfio
Pull VFIO fixes from Alex Williamson:
- Honor reserved regions when testing for IOMMU find grained super page
support, avoiding a regression on s390 for a firmware device where
the existence of the mapping, even if unused can trigger an error
state. (Niklas Schnelle)
- Fix a deadlock in releasing KVM references by using the alternate
.release() rather than .destroy() callback for the kvm-vfio device.
(Yi Liu)
* tag 'vfio-v6.2-rc6' of https://github.com/awilliam/linux-vfio:
kvm/vfio: Fix potential deadlock on vfio group_lock
vfio/type1: Respect IOMMU reserved regions in vfio_test_domain_fgsp()
- ensure the EFI ResetSystem and ACPI PRM calls are recognized as users
of the EFI runtime, and therefore protected against exceptions
- account for the EFI runtime stack in the stacktrace code
- remove Matt Garrett's MAINTAINERS entry for efivarfs
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Merge tag 'efi-fixes-for-v6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
"Another couple of EFI fixes, of which the first two were already in
-next when I sent out the previous PR, but they caused some issues on
non-EFI boots so I let them simmer for a bit longer.
- ensure the EFI ResetSystem and ACPI PRM calls are recognized as
users of the EFI runtime, and therefore protected against
exceptions
- account for the EFI runtime stack in the stacktrace code
- remove Matthew Garrett's MAINTAINERS entry for efivarfs"
* tag 'efi-fixes-for-v6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: Remove Matthew Garrett as efivarfs maintainer
arm64: efi: Account for the EFI runtime stack in stack unwinder
arm64: efi: Avoid workqueue to check whether EFI runtime is live
The definition of intel_selftest_modify_policy() does not match the
declaration, as gcc-13 points out:
drivers/gpu/drm/i915/selftests/intel_scheduler_helpers.c:29:5: error: conflicting types for 'intel_selftest_modify_policy' due to enum/integer mismatch; have 'int(struct intel_engine_cs *, struct intel_selftest_saved_policy *, u32)' {aka 'int(struct intel_engine_cs *, struct intel_selftest_saved_policy *, unsigned int)'} [-Werror=enum-int-mismatch]
29 | int intel_selftest_modify_policy(struct intel_engine_cs *engine,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/i915/selftests/intel_scheduler_helpers.c:11:
drivers/gpu/drm/i915/selftests/intel_scheduler_helpers.h:28:5: note: previous declaration of 'intel_selftest_modify_policy' with type 'int(struct intel_engine_cs *, struct intel_selftest_saved_policy *, enum selftest_scheduler_modify)'
28 | int intel_selftest_modify_policy(struct intel_engine_cs *engine,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Change the type in the definition to match.
Fixes: 617e87c05c ("drm/i915/selftest: Fix hangcheck self test for GuC submission")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230117163743.1003219-1-arnd@kernel.org
(cherry picked from commit 8d7eb8ed3f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Commit 0d0e7d1eea ("drm/i915/mtl: Define engine context layouts")
added the engine context for Meteor Lake. In a second revision of the
patch it was believed the xcs offsets were wrong due to a tagging
issue in the spec. The first version was actually correct, as shown
by the intel_lrc_live_selftests/live_lrc_layout test:
i915: Running gt_lrc
i915: Running intel_lrc_live_selftests/live_lrc_layout
bcs0: LRI command mismatch at dword 1, expected 1108101d found 11081019
[drm:drm_helper_probe_single_connector_modes [drm_kms_helper]] [CONNECTOR:236:DP-1] disconnected
bcs0: HW register image:
[0000] 00000000 1108101d 00022244 ffff0008 00022034 00000088 00022030 00000088
...
bcs0: SW register image:
[0000] 00000000 11081019 00022244 00090009 00022034 00000000 00022030 00000000
The difference in the 2 additional dwords (0x1d vs 0x19) are the offsets
0x120 / 0x124 that are indeed part of the context image.
Bspec: 45585
Fixes: 0d0e7d1eea ("drm/i915/mtl: Define engine context layouts")
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230111235531.3353815-2-radhakrishna.sripada@intel.com
(cherry picked from commit ca54a9a32d)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
ctrl->ops is used by nvme_alloc_admin_tag_set() but set by
nvme_init_ctrl() so reorder the calls to avoid a NULL pointer
dereference.
Fixes: 6dfba1c09c ("nvme-fc: use the tagset alloc/free helpers")
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
commit 1796f808e4 ("HID: i2c-hid: acpi: Stop setting wakeup_capable")
adjusted the policy to enable wakeup by default if the ACPI tables
indicated that a device was wake capable.
It was reported however that this broke suspend on at least two System76
systems in S3 mode and two Lenovo Gen2a systems, but only with S3.
When the machines are set to s2idle, wakeup behaves properly.
Configuring the GPIOs for wakeup with S3 doesn't work properly, so only
set it when the system supports low power idle.
Fixes: 1796f808e4 ("HID: i2c-hid: acpi: Stop setting wakeup_capable")
Fixes: b38f2d5d96 ("i2c: acpi: Use ACPI wake capability bit to set wake_irq")
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2357
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2162013
Reported-by: Nathan Smythe <ncsmythe@scruboak.org>
Tested-by: Nathan Smythe <ncsmythe@scruboak.org>
Suggested-by: Raul Rangel <rrangel@chromium.org>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
nfsd_file_cache_purge is called when the server is shutting down, in
which case, tearing things down is generally fine, but it also gets
called when the exports cache is flushed.
Instead of walking the cache and freeing everything unconditionally,
handle it the same as when we have a notification of conflicting access.
Fixes: ac3a2585f0 ("nfsd: rework refcounting in filecache")
Reported-by: Ruben Vestergaard <rubenv@drcmr.dk>
Reported-by: Torkil Svensgaard <torkil@drcmr.dk>
Reported-by: Shachar Kagan <skagan@nvidia.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Tested-by: Shachar Kagan <skagan@nvidia.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Commit 1d2e9b67b0 ("ARM: 9265/1: pass -march= only to compiler") added
a __thumb2__ define to ASFLAGS to avoid build errors in the crypto code,
which relies on __thumb2__ for preprocessing. Commit 59e2cf8d21 ("ARM:
9275/1: Drop '-mthumb' from AFLAGS_ISA") followed up on this by removing
-mthumb from AFLAGS so that __thumb2__ would not be defined when the
default target was ARMv7 or newer.
Unfortunately, the second commit's fix assumes that the toolchain
defaults to -mno-thumb / -marm, which is not the case for Debian's
arm-linux-gnueabihf target, which defaults to -mthumb:
$ echo | arm-linux-gnueabihf-gcc -dM -E - | grep __thumb
#define __thumb2__ 1
#define __thumb__ 1
This target is used by several CI systems, which will still see
redefined macro warnings, despite '-mthumb' not being present in the
flags:
<command-line>: warning: "__thumb2__" redefined
<built-in>: note: this is the location of the previous definition
Remove the global AFLAGS __thumb2__ define and move it to the crypto
folder where it is required by the imported OpenSSL algorithms; the rest
of the kernel should use the internal CONFIG_THUMB2_KERNEL symbol to
know whether or not Thumb2 is being used or not. Be sure that __thumb2__
is undefined first so that there are no macro redefinition warnings.
Link: https://github.com/ClangBuiltLinux/linux/issues/1772
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Fixes: 59e2cf8d21 ("ARM: 9275/1: Drop '-mthumb' from AFLAGS_ISA")
Fixes: 1d2e9b67b0 ("ARM: 9265/1: pass -march= only to compiler")
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
If we're using ring provided buffers with multishot receive, and we end
up doing an io-wq based issue at some points that also needs to select
a buffer, we'll lose the initially assigned buffer group as
io_ring_buffer_select() correctly clears the buffer group list as the
issue isn't serialized by the ctx uring_lock. This is fine for normal
receives as the request puts the buffer and finishes, but for multishot,
we will re-arm and do further receives. On the next trigger for this
multishot receive, the receive will try and pick from a buffer group
whose value is the same as the buffer ID of the las receive. That is
obviously incorrect, and will result in a premature -ENOUFS error for
the receive even if we had available buffers in the correct group.
Cache the buffer group value at prep time, so we can restore it for
future receives. This only needs doing for the above mentioned case, but
just do it by default to keep it easier to read.
Cc: stable@vger.kernel.org
Fixes: b3fdea6ecb ("io_uring: multishot recv")
Fixes: 9bb66906f2 ("io_uring: support multishot in recvmsg")
Cc: Dylan Yudaken <dylany@meta.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When proxying IPv6 NDP requests, the adverts to the initial multicast
solicits are correct and working. On the other hand, when later a
reachability confirmation is requested (on unicast), no reply is sent.
This causes the neighbor entry expiring on the sending node, which is
mostly a non-issue, as a new multicast request is sent. There are
routers, where the multicast requests are intentionally delayed, and in
these environments the current implementation causes periodic packet
loss for the proxied endpoints.
The root cause is the erroneous decrease of the hop limit, as this
is checked in ndisc.c and no answer is generated when it's 254 instead
of the correct 255.
Cc: stable@vger.kernel.org
Fixes: 46c7655f0b ("ipv6: decrease hop limit counter in ip6_forward()")
Signed-off-by: Gergely Risko <gergely.risko@gmail.com>
Tested-by: Gergely Risko <gergely.risko@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vladimir Oltean say:
====================
ethtool support for IEEE 802.3 MAC Merge layer
Change log
----------
v3->v4:
- add missing opening bracket in ocelot_port_mm_irq()
- moved cfg.verify_time range checking so that it actually takes place
for the updated rather than old value
v3 at:
https://patchwork.kernel.org/project/netdevbpf/cover/20230117085947.2176464-1-vladimir.oltean@nxp.com/
v2->v3:
- made get_mm return int instead of void
- deleted ETHTOOL_A_MM_SUPPORTED
- renamed ETHTOOL_A_MM_ADD_FRAG_SIZE to ETHTOOL_A_MM_TX_MIN_FRAG_SIZE
- introduced ETHTOOL_A_MM_RX_MIN_FRAG_SIZE
- cleaned up documentation
- rebased on top of PLCA changes
- renamed ETHTOOL_STATS_SRC_* to ETHTOOL_MAC_STATS_SRC_*
v2 at:
https://patchwork.kernel.org/project/netdevbpf/cover/20230111161706.1465242-1-vladimir.oltean@nxp.com/
v1->v2:
I've decided to focus just on the MAC Merge layer for now, which is why
I am able to submit this patch set as non-RFC.
v1 (RFC) at:
https://patchwork.kernel.org/project/netdevbpf/cover/20220816222920.1952936-1-vladimir.oltean@nxp.com/
What is being introduced
------------------------
TL;DR: a MAC Merge layer as defined by IEEE 802.3-2018, clause 99
(interspersing of express traffic). This is controlled through ethtool
netlink (ETHTOOL_MSG_MM_GET, ETHTOOL_MSG_MM_SET). The raw ethtool
commands are posted here:
https://patchwork.kernel.org/project/netdevbpf/cover/20230111153638.1454687-1-vladimir.oltean@nxp.com/
The MAC Merge layer has its own statistics counters
(ethtool --include-statistics --show-mm swp0) as well as two member
MACs, the statistics of which can be queried individually, through a new
ethtool netlink attribute, corresponding to:
$ ethtool -I --show-pause eno2 --src aggregate
$ ethtool -S eno2 --groups eth-mac eth-phy eth-ctrl rmon -- --src pmac
The core properties of the MAC Merge layer are described in great detail
in patches 02/12 and 03/12. They can be viewed in "make htmldocs" format.
Devices for which the API is supported
--------------------------------------
I decided to start with the Ethernet switch on NXP LS1028A (Felix)
because of the smaller patch set. I also have support for the ENETC
controller pending.
I would like to get confirmation that the UAPI being proposed here will
not restrict any use cases known by other hardware vendors.
Why is support for preemptible traffic classes not here?
--------------------------------------------------------
There is legitimate concern whether the 802.1Q portion of the standard
(which traffic classes go to the eMAC and which to the pMAC) should be
modeled in Linux using tc or using another UAPI. I think that is
stalling the entire series, but should be discussed separately instead.
Removing FP adminStatus support makes me confident enough to submit this
patch set without an RFC tag (meaning: I wouldn't mind if it was merged
as is).
What is submitted here is sufficient for an LLDP daemon to do its job.
I've patched openlldp to advertise and configure frame preemption:
https://github.com/vladimiroltean/openlldp/tree/frame-preemption-v3
In case someone wants to try it out, here are some commands I've used.
# Configure the interfaces to receive and transmit LLDP Data Units
lldptool -L -i eno0 adminStatus=rxtx
lldptool -L -i swp0 adminStatus=rxtx
# Enable the transmission of certain TLVs on switch's interface
lldptool -T -i eno0 -V addEthCap enableTx=yes
lldptool -T -i swp0 -V addEthCap enableTx=yes
# Query LLDP statistics on switch's interface
lldptool -S -i swp0
# Query the received neighbor TLVs
lldptool -i swp0 -t -n -V addEthCap
Additional Ethernet Capabilities TLV
Preemption capability supported
Preemption capability enabled
Preemption capability active
Additional fragment size: 60 octets
So using this patch set, lldpad will be able to advertise and configure
frame preemption, but still, no data packet will be sent as preemptible
over the link, because there is no UAPI to control which traffic classes
are sent as preemptible and which as express.
Preemptable or preemptible?
---------------------------
IEEE 802.3 uses "preemptable" throughout. IEEE 802.1Q uses "preemptible"
throughout. Because the definition of "preemptible" falls under 802.1Q's
jurisdiction and 802.3 just references it, I went with the 802.1Q naming
even where supporting an 802.3 feature. Also, checkpatch agrees with this.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Due to the fact that the kernel-side data structures have been carried
over from the ioctl-based ethtool, we are now in the situation where we
have an ethnl_update_bool32() function, but the plain function that
operates on a boolean value kept in an actual u8 netlink attribute
doesn't exist.
With new ethtool features that are exposed solely over netlink, the
kernel data structures will use the "bool" type, so we will need this
kind of helper. Introduce it now; it's needed for things like
verify-disabled for the MAC merge configuration.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
get disabled due to a value error
- Fix a NULL pointer access on UP configs
- Use the proper locking when updating CPU capacity
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Merge tag 'sched_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov:
- Make sure the scheduler doesn't use stale frequency scaling values
when latter get disabled due to a value error
- Fix a NULL pointer access on UP configs
- Use the proper locking when updating CPU capacity
* tag 'sched_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/aperfmperf: Erase stale arch_freq_scale values when disabling frequency invariance readings
sched/core: Fix NULL pointer access fault in sched_setaffinity() with non-SMP configs
sched/fair: Fixes for capacity inversion detection
sched/uclamp: Fix a uninitialized variable warnings
- Fix a use-after-free issue in qcom_edac
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Merge tag 'edac_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fixes from Borislav Petkov:
- Respect user-supplied polling value in the EDAC device code
- Fix a use-after-free issue in qcom_edac
* tag 'edac_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/qcom: Do not pass llcc_driv_data as edac_device_ctl_info's pvt_info
EDAC/device: Respect any driver-supplied workqueue polling value
