At a few places the driver carries stale pointers
to references that can still be used. Make sure that does not happen.
This strictly speaking closes ZDI-CAN-22273, though there may be
similar races in the driver.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@kernel.org>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240709113851.14691-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These functions can fail if descriptors are malformed, or missing,
for the selected USB speed.
Fixes: eb9fecb9e6 ("usb: gadget: f_uac2: split out audio core")
Fixes: 24f779dac8 ("usb: gadget: f_uac2/u_audio: add feedback endpoint support")
Cc: stable@vger.kernel.org
Signed-off-by: Chris Wulff <crwulff@gmail.com>
Link: https://lore.kernel.org/r/20240721192314.3532697-2-crwulff@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When the block number 0xff is given to Function Block Discovery
message, the device should return the information of all Function
Blocks, but currently the gadget driver treats it as an error.
Implement the proper behavior for the block 0xff instead.
Fixes: 8b645922b2 ("usb: gadget: Add support for USB MIDI 2.0 function driver")
Cc: stable@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240717095102.10493-1-tiwai@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
USB2517 is a 7-port variant of this USB hub. Add an USB compatible
based on USB vendor & product ID.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240731071950.989113-1-alexander.stein@ew.tq-group.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
James Chapman says:
====================
l2tp: simplify tunnel and session cleanup
This series simplifies and improves l2tp tunnel and session cleanup.
* refactor l2tp management code to not use the tunnel socket's
sk_user_data. This allows the tunnel and its socket to be closed
and freed without sequencing the two using the socket's sk_destruct
hook.
* export ip_flush_pending_frames and use it when closing l2tp_ip
sockets.
* move the work of closing all sessions in the tunnel to the work
queue so that sessions are deleted using the same codepath whether
they are closed by user API request or their parent tunnel is
closing.
* refactor l2tp_ppp pppox socket / session relationship to have the
session keep the socket alive, not the other way around. Previously
the pppox socket held a ref on the session, which complicated
session delete by having to go through the pppox socket destructor.
* free sessions and pppox sockets by rcu.
* fix a possible tunnel refcount underflow.
* avoid using rcu_barrier in net exit handler.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Move the work of closing all tunnels from the pernet exit hook to
pre_exit since the core does rcu synchronisation between these steps
and we can therefore remove rcu_barrier from l2tp code.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
l2tp eth/ppp pseudowire setup/cleanup uses kfree() in some error
paths. Drop the refcount instead such that the session object is
always freed when the refcount reaches 0.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
l2tp_session_register uses an idr_alloc then idr_replace pattern to
insert sessions into the session IDR. To catch invalid locking, add a
WARN_ON_ONCE if the IDR entry is modified by another thread between
alloc and replace steps.
Also add comments to make expectations clear.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
l2tp_v3_session_htable and tunnel->session_list are read by lockless
getters using RCU. Use rcu list variants when adding or removing list
items.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a session is created, it sets a backpointer to its tunnel. When
the session refcount drops to 0, l2tp_session_free drops the tunnel
refcount if session->tunnel is non-NULL. However, session->tunnel is
set in l2tp_session_create, before the tunnel refcount is incremented
by l2tp_session_register, which leaves a small window where
session->tunnel is non-NULL when the tunnel refcount hasn't been
bumped.
Moving the assignment to l2tp_session_register is trivial but
l2tp_session_create calls l2tp_session_set_header_len which uses
session->tunnel to get the tunnel's encap. Add an encap arg to
l2tp_session_set_header_len to avoid using session->tunnel.
If l2tpv3 sessions have colliding IDs, it is possible for
l2tp_v3_session_get to race with l2tp_session_register and fetch a
session which doesn't yet have session->tunnel set. Add a check for
this case.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Each l2tp ppp session has an associated pppox socket. l2tp_ppp uses
the session's pppox socket refcount to manage session lifetimes; the
pppox socket holds a ref on the session which is dropped by the socket
destructor. This complicates session cleanup.
Given l2tp sessions are refcounted, it makes more sense to reverse
this relationship such that the session keeps the socket alive, not
the other way around. So refactor l2tp_ppp to have the session hold a
ref on its socket while it references it. When the session is closed,
it drops its socket ref when it detaches from its socket. If the
socket is closed first, it initiates the closing of its session, if
one is attached. The socket/session can then be freed asynchronously
when their refcounts drop to 0.
Use the session's session_close callback to detach the pppox socket
since this will be done on the work queue together with the rest of
the session cleanup via l2tp_session_delete.
Also, since l2tp_ppp uses the pppox socket's sk_user_data, use the rcu
sk_user_data access helpers when accessing it and set the socket's
SOCK_RCU_FREE flag to have pppox sockets freed by rcu.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
l2tp sessions may be accessed under an rcu read lock. Have them freed
via rcu and remove the now unneeded synchronize_rcu when a session is
removed.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a tunnel is closed, l2tp_tunnel_closeall closes all sessions in
the tunnel. Move the work of deleting each session to the work queue
so that sessions are deleted using the same codepath whether they are
closed by user API request or their parent tunnel is closing. This
also avoids the locking dance in l2tp_tunnel_closeall where the
tunnel's session list lock was unlocked and relocked in the loop.
In l2tp_exit_net, use drain_workqueue instead of flush_workqueue
because the processing of tunnel_delete work may queue session_delete
work items which must also be processed.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the l2tp tunnel socket used sk_user_data to point to its
associated l2tp tunnel, socket and tunnel cleanup had to make use of
the socket's destructor to free the tunnel only when the socket could
no longer be accessed.
Now that sk_user_data is no longer used, we can simplify socket and
tunnel cleanup:
* If the tunnel closes first, it cleans up and drops its socket ref
when the tunnel refcount drops to zero. If its socket was provided
by userspace, the socket is closed and freed asynchronously, when
userspace closes it. If its socket is a kernel socket, the tunnel
closes the socket itself during cleanup and drops its socket ref
when the tunnel's refcount drops to zero.
* If the socket closes first, we initiate the closing of its
associated tunnel. For UDP sockets, this is via the socket's
encap_destroy hook. For L2TPIP sockets, this is via the socket's
destroy callback. The tunnel holds a socket ref while it
references the sock. When the tunnel is freed, it drops its socket
ref and the socket will be cleaned up when its own refcount drops
to zero, asynchronous to the tunnel free.
* The tunnel socket destructor is no longer needed since the tunnel
is no longer freed through the socket destructor.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since l2tp no longer derives tunnel pointers directly via
sk_user_data, it is no longer useful for l2tp to check tunnel pointers
using a magic feather. Drop the tunnel's magic field.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
l2tp no longer uses the tunnel socket's sk_user_data so drop the code
which sets it.
In l2tp_validate_socket use l2tp_sk_to_tunnel to check whether a given
socket is already attached to an l2tp tunnel since we can no longer
use non-null sk_user_data to indicate this.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
l2tp's ppp procfs output can be used to show internal state of
pppol2tp. It includes a 'user-data-ok' field, which is derived from
the tunnel socket's sk_user_data being non-NULL. Use tunnel->sock
being non-NULL to indicate this instead.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the recently exported ip_flush_pending_frames instead of a
free-coded version and lock the socket while we call it.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To avoid protocol modules implementing their own, export
ip_flush_pending_frames.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
l2tp_sk_to_tunnel derives the tunnel from sk_user_data. Instead,
lookup the tunnel by walking the tunnel IDR for a tunnel using the
indicated sock. This is slow but l2tp_sk_to_tunnel is not used in
the datapath so performance isn't critical.
l2tp_tunnel_destruct needs a variant of l2tp_sk_to_tunnel which does
not bump the tunnel refcount since the tunnel refcount is already 0.
Change l2tp_sk_to_tunnel sk arg to const since it does not modify sk.
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
xhci1 has both USB 2.0 and USB 3.0 host capabilities. By default both
are assumed to be enabled when the controller is enabled. To disable
either one, an extra property is used.
Since the default has both enabled, both PHYs should also be assigned
to the host controller. If a specific design uses only either one,
the board specific dts file can override the PHY assignment together
with adding the "mediatek,u[23]p-dis-msk" property. This keeps both
changes together.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20240731034411.371178-4-wenst@chromium.org
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
USB 3.0 on xhci1 is not used, as the controller shares the same PHY as
pcie1. The latter is enabled to support the M.2 PCIe WLAN card on this
design.
Mark USB 3.0 as disabled on this controller using the
"mediatek,u3p-dis-msk" property.
Fixes: 96564b1e2e ("arm64: dts: mediatek: Introduce the MT8395 Radxa NIO 12L board")
Cc: stable@vger.kernel.org
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20240731034411.371178-3-wenst@chromium.org
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
USB 3.0 on xhci1 is not used, as the controller shares the same PHY as
pcie1. The latter is enabled to support the M.2 PCIe WLAN card on this
design.
Mark USB 3.0 as disabled on this controller using the
"mediatek,u3p-dis-msk" property.
Reported-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> #KernelCI
Closes: https://lore.kernel.org/all/9fce9838-ef87-4d1b-b3df-63e1ddb0ec51@notapiano/
Fixes: b6267a396e ("arm64: dts: mediatek: cherry: Enable T-PHYs and USB XHCI controllers")
Cc: stable@vger.kernel.org
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20240731034411.371178-2-wenst@chromium.org
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Here are the USB-serial updates for 6.11-rc1, including:
- add missing module descriptions
- add flexible array annotation in garmin_gps
Included are also various clean ups.
All have been in linux-next with no reported issues.
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Merge tag 'usb-serial-6.11-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial updates for 6.11-rc1
Here are the USB-serial updates for 6.11-rc1, including:
- add missing module descriptions
- add flexible array annotation in garmin_gps
Included are also various clean ups.
All have been in linux-next with no reported issues.
* tag 'usb-serial-6.11-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: garmin_gps: use struct_size() to allocate pkt
USB: serial: garmin_gps: annotate struct garmin_packet with __counted_by
USB: serial: add missing MODULE_DESCRIPTION() macros
USB: serial: spcp8x5: remove unused struct 'spcp8x5_usb_ctrl_arg'
Clean up the probe warning messages by using a common succinct and
greppable format (e.g. without __func__ and with a space after ':').
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240712140801.24267-4-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The soundwire driver name field is not currently used by any driver (and
even appears to never have been used) so drop it.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20240712140801.24267-3-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Soundwire driver probe errors are currently being logged both by the bus
code and driver core:
wsa884x-codec sdw:4:0:0217:0204:00:0: Probe of wsa884x-codec failed: -12
wsa884x-codec sdw:4:0:0217:0204:00:0: probe with driver wsa884x-codec failed with error -12
Drop the redundant bus error message, which is also incorrectly being
logged on probe deferral:
wsa884x-codec sdw:4:0:0217:0204:00:0: Probe of wsa884x-codec failed: -517
Note that no soundwire driver uses the driver struct name field, which
will be removed by a follow-on change.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20240712140801.24267-2-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
These macros just duplicate macros from include/linux/ieee80211.h.
We can safely remove them from rtllib.h.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240730082928.62284-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Noticing that some messages were capitalized and some weren't, I
capitalized them to match the rest. This makes the messages relatively
easier to understand for an end user, and reduces confusion about
capitalization. A comment was also capitalized.
Signed-off-by: Steven Davis <goldside000@outlook.com>
Link: https://lore.kernel.org/r/SJ2P223MB102626B10E837EF5A93ED1F1F7B02@SJ2P223MB1026.NAMP223.PROD.OUTLOOK.COM
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix checkpatch error "ERROR: code indent should use tabs where possible"
in include/rtw_mlme_ext.h:388.
Signed-off-by: Santiago Ruano Rincón <santiagorr@riseup.net>
Link: https://lore.kernel.org/r/20240730080531.991195-1-santiagorr@riseup.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The definition of GET_RX_DESC_BW is incorrect. Fix it according to the
GET_RX_STATUS_DESC_BW_8703B macro from the official driver.
Tested only with RTL8812AU, which uses the same bits.
Cc: stable@vger.kernel.org
Fixes: 9bb762b3a9 ("wifi: rtw88: Add definitions for 8703b chip")
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Tested-by: Fiona Klute <fiona.klute@gmx.de>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/1cfed9d5-4304-4b96-84c5-c347f59fedb9@gmail.com
"iw dev wlp2s0 station dump" shows incorrect rx bitrate:
tx bitrate: 866.7 MBit/s VHT-MCS 9 80MHz short GI VHT-NSS 2
rx bitrate: 86.7 MBit/s VHT-MCS 9 VHT-NSS 1
This is because the RX band width is calculated incorrectly. Fix the
calculation according to the phydm_rxsc_2_bw() function from the
official drivers.
After:
tx bitrate: 866.7 MBit/s VHT-MCS 9 80MHz short GI VHT-NSS 2
rx bitrate: 390.0 MBit/s VHT-MCS 9 80MHz VHT-NSS 1
It also works correctly with the AP configured for 20 MHz and 40 MHz.
Tested with RTL8822CE.
Cc: stable@vger.kernel.org
Fixes: e3037485c6 ("rtw88: new Realtek 802.11ac driver")
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/bca8949b-e2bd-4515-98fd-70d3049a0097@gmail.com
Add chip_info of RTL8852BT accordingly, including firmware elements
support, MAC memory quota (WDE, PLE and etc), SER IMR used by firmware,
BTC registers, register based H2C/C2H, WoWLAN stub.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240720021340.12102-4-pkshih@realtek.com
clang warns precedence of '?:' and '&'. Even though original logic is
correct, use str_enable_disable() to avoid clang confusing. Another way to
fix is to add parentheses around '&', but I choose former one.
>> drivers/net/wireless/realtek/rtw89/rtw8852bt_rfk.c:1827:46: warning:
operator '?:' has lower precedence than '&'; '&' will be evaluated
first [-Wbitwise-conditional-parentheses]
1827 | kidx, dpk->is_dpk_enable & off_reverse ? "enable" : "disable");
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407200741.dMG9uvHU-lkp@intel.com/
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240720021340.12102-3-pkshih@realtek.com
We have invoked device coredump when fw crash.
Should select WANT_DEV_COREDUMP by ourselves.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240718070616.42217-2-pkshih@realtek.com
We have invoked device coredump when fw crash.
Should select WANT_DEV_COREDUMP by ourselves.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240718070616.42217-1-pkshih@realtek.com
Originally in order to read partial registers from large area, we write
a range value stored into a static variable and read registers according
to the static variable.
However, if we install more than one adapters supported by this driver,
the static variables will be overwritten by latter adapters. To resolve
the problem, move the static variables to struct rtw_dev for each adapter.
With changes, smatch spends too much time to parse rtw_debugfs_init():
debug.c:1289 rtw_debugfs_init() parse error: turning off implications
after 60 seconds
Move stuffs of adding debugfs entries to three rtw_debugfs_add_xxx()
functions.
Reported-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Closes: https://lore.kernel.org/linux-wireless/cd6a2acf3c2c36d938b40140b52a779516f446a9.camel@realtek.com/T/#m27662022c70d9f893ba96f6c6a8dd8fce2434dfe
Tested-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240718064155.38955-1-pkshih@realtek.com
Move and export xe_hw_engine lookup. This is in preparation
to use this in eudebug code where we want to find active
engine.
v2: s/tile/gt due to uapi changes (Mika)
Signed-off-by: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240729130152.100130-1-mika.kuoppala@linux.intel.com
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Merge tag 'for-6.11-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix regression in extent map rework when handling insertion of
overlapping compressed extent
- fix unexpected file length when appending to a file using direct io
and buffer not faulted in
- in zoned mode, fix accounting of unusable space when flipping
read-only block group back to read-write
- fix page locking when COWing an inline range, assertion failure found
by syzbot
- fix calculation of space info in debugging print
- tree-checker, add validation of data reference item
- fix a few -Wmaybe-uninitialized build warnings
* tag 'for-6.11-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: initialize location to fix -Wmaybe-uninitialized in btrfs_lookup_dentry()
btrfs: fix corruption after buffer fault in during direct IO append write
btrfs: zoned: fix zone_unusable accounting on making block group read-write again
btrfs: do not subtract delalloc from avail bytes
btrfs: make cow_file_range_inline() honor locked_page on error
btrfs: fix corrupt read due to bad offset of a compressed extent map
btrfs: tree-checker: validate dref root and objectid
Some more fixes about the build and a random crash:
* Fix cross-build by setting pkg-config env according to the arch
* Fix static build for missing library dependencies
* Fix Segfault when callchain has no symbols
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-fixes-for-v6.11-2024-07-30' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Namhyung Kim:
"Some more build fixes and a random crash fix:
- Fix cross-build by setting pkg-config env according to the arch
- Fix static build for missing library dependencies
- Fix Segfault when callchain has no symbols"
* tag 'perf-tools-fixes-for-v6.11-2024-07-30' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
perf docs: Document cross compilation
perf: build: Link lib 'zstd' for static build
perf: build: Link lib 'lzma' for static build
perf: build: Only link libebl.a for old libdw
perf: build: Set Python configuration for cross compilation
perf: build: Setup PKG_CONFIG_LIBDIR for cross compilation
perf tool: fix dereferencing NULL al->maps
Tony Nguyen says:
====================
ice: fix AF_XDP ZC timeout and concurrency issues
Maciej Fijalkowski says:
Changes included in this patchset address an issue that customer has
been facing when AF_XDP ZC Tx sockets were used in combination with flow
control and regular Tx traffic.
After executing:
ethtool --set-priv-flags $dev link-down-on-close on
ethtool -A $dev rx on tx on
launching multiple ZC Tx sockets on $dev + pinging remote interface (so
that regular Tx traffic is present) and then going through down/up of
$dev, Tx timeout occurred and then most of the time ice driver was unable
to recover from that state.
These patches combined together solve the described above issue on
customer side. Main focus here is to forbid producing Tx descriptors when
either carrier is not yet initialized or process of bringing interface
down has already started.
v1: https://lore.kernel.org/netdev/20240708221416.625850-1-anthony.l.nguyen@intel.com/
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
ice: xsk: fix txq interrupt mapping
ice: add missing WRITE_ONCE when clearing ice_rx_ring::xdp_prog
ice: improve updating ice_{t,r}x_ring::xsk_pool
ice: toggle netif_carrier when setting up XSK pool
ice: modify error handling when setting XSK pool in ndo_bpf
ice: replace synchronize_rcu with synchronize_net
ice: don't busy wait for Rx queue disable in ice_qp_dis()
ice: respect netif readiness in AF_XDP ZC related ndo's
====================
Link: https://patch.msgid.link/20240729200716.681496-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
