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Faicker Mo 44d250c222 net/net_failover: fix txq exceeding warning [ Upstream commit `e3cbdcb0fb` ] The failover txq is inited as 16 queues. when a packet is transmitted from the failover device firstly, the failover device will select the queue which is returned from the primary device if the primary device is UP and running. If the primary device txq is bigger than the default 16, it can lead to the following warning: eth0 selects TX queue 18, but real number of TX queues is 16 The warning backtrace is: [ 32.146376] CPU: 18 PID: 9134 Comm: chronyd Tainted: G E 6.2.8-1.el7.centos.x86_64 #1 [ 32.147175] Hardware name: Red Hat KVM, BIOS 1.10.2-3.el7_4.1 04/01/2014 [ 32.147730] Call Trace: [ 32.147971] <TASK> [ 32.148183] dump_stack_lvl+0x48/0x70 [ 32.148514] dump_stack+0x10/0x20 [ 32.148820] netdev_core_pick_tx+0xb1/0xe0 [ 32.149180] __dev_queue_xmit+0x529/0xcf0 [ 32.149533] ? __check_object_size.part.0+0x21c/0x2c0 [ 32.149967] ip_finish_output2+0x278/0x560 [ 32.150327] __ip_finish_output+0x1fe/0x2f0 [ 32.150690] ip_finish_output+0x2a/0xd0 [ 32.151032] ip_output+0x7a/0x110 [ 32.151337] ? __pfx_ip_finish_output+0x10/0x10 [ 32.151733] ip_local_out+0x5e/0x70 [ 32.152054] ip_send_skb+0x19/0x50 [ 32.152366] udp_send_skb.isra.0+0x163/0x3a0 [ 32.152736] udp_sendmsg+0xba8/0xec0 [ 32.153060] ? __folio_memcg_unlock+0x25/0x60 [ 32.153445] ? __pfx_ip_generic_getfrag+0x10/0x10 [ 32.153854] ? sock_has_perm+0x85/0xa0 [ 32.154190] inet_sendmsg+0x6d/0x80 [ 32.154508] ? inet_sendmsg+0x6d/0x80 [ 32.154838] sock_sendmsg+0x62/0x70 [ 32.155152] ____sys_sendmsg+0x134/0x290 [ 32.155499] ___sys_sendmsg+0x81/0xc0 [ 32.155828] ? _get_random_bytes.part.0+0x79/0x1a0 [ 32.156240] ? ip4_datagram_release_cb+0x5f/0x1e0 [ 32.156649] ? get_random_u16+0x69/0xf0 [ 32.156989] ? __fget_light+0xcf/0x110 [ 32.157326] __sys_sendmmsg+0xc4/0x210 [ 32.157657] ? __sys_connect+0xb7/0xe0 [ 32.157995] ? __audit_syscall_entry+0xce/0x140 [ 32.158388] ? syscall_trace_enter.isra.0+0x12c/0x1a0 [ 32.158820] __x64_sys_sendmmsg+0x24/0x30 [ 32.159171] do_syscall_64+0x38/0x90 [ 32.159493] entry_SYSCALL_64_after_hwframe+0x72/0xdc Fix that by reducing txq number as the non-existent primary-dev does. Fixes: `cfc80d9a11` ("net: Introduce net_failover driver") Signed-off-by: Faicker Mo <faicker.mo@ucloud.cn> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>		History 2023-04-06 12:12:35 +02:00
arch	mips: bmips: BCM6358: disable RAC flush for TP1	2023-04-06 12:12:31 +02:00
block	block: count 'ios' and 'sectors' when io is done for bio-based device	2023-03-22 13:37:50 +01:00
certs	certs: Fix build error when PKCS#11 URI contains semicolon	2023-01-31 17:53:01 +09:00
crypto	crypto: rsa-pkcs1pad - Use akcipher_request_complete	2023-03-10 09:28:18 +01:00
Documentation	docs: Correct missing "d_" prefix for dentry_operations member d_weak_revalidate	2023-03-22 13:37:42 +01:00
drivers	net/net_failover: fix txq exceeding warning	2023-04-06 12:12:35 +02:00
fs	btrfs: use temporary variable for space_info in btrfs_update_block_group	2023-04-06 12:12:31 +02:00
include	x86/PVH: obtain VGA console info in Dom0	2023-04-06 12:12:27 +02:00
init	Kbuild fixes for v6.2 (3rd)	2023-01-21 10:56:37 -08:00
io_uring	io_uring/rsrc: fix null-ptr-deref in io_file_bitmap_get()	2023-03-30 12:51:37 +02:00
ipc	Non-MM patches for 6.2-rc1.	2022-12-12 17:28:58 -08:00
kernel	tracing: Fix wrong return in kprobe_event_gen_test.c	2023-04-06 12:12:30 +02:00
lib	zstd: Fix definition of assert()	2023-04-06 12:12:25 +02:00
LICENSES	LICENSES: Add the copyleft-next-0.3.1 license	2022-11-08 15:44:01 +01:00
mm	mm/ksm: fix race with VMA iteration and mm_struct teardown	2023-03-30 12:51:41 +02:00
net	SUNRPC: fix shutdown of NFS TCP client socket	2023-04-06 12:12:33 +02:00
rust	rust: print: avoid evaluating arguments in `pr_*` macros in `unsafe` blocks	2023-01-16 00:54:35 +01:00
samples	ftrace: Export ftrace_free_filter() to modules	2023-01-24 11:20:58 -05:00
scripts	kconfig: Update config changed flag before calling callback	2023-03-22 13:37:55 +01:00
security	keys: Do not cache key in task struct if key is requested from kernel thread	2023-03-30 12:50:57 +02:00
sound	ALSA: usb-audio: Fix recursive locking at XRUN during syncing	2023-04-06 12:12:31 +02:00
tools	tools/power turbostat: fix decoding of HWP_STATUS	2023-04-06 12:12:30 +02:00
usr	usr/gen_init_cpio.c: remove unnecessary -1 values from int file	2022-10-03 14:21:44 -07:00
virt	KVM: Register /dev/kvm as the _very_ last thing during initialization	2023-03-10 09:29:33 +01:00
.clang-format	iommufd for 6.2	2022-12-14 09:15:43 -08:00
.cocciconfig	scripts: add Linux .cocciconfig for coccinelle	2016-07-22 12:13:39 +02:00
.get_maintainer.ignore	get_maintainer: add Alan to .get_maintainer.ignore	2022-08-20 15:17:44 -07:00
.gitattributes	.gitattributes: use 'dts' diff driver for dts files	2019-12-04 19:44:11 -08:00
.gitignore	.gitignore: ignore *.rpm	2022-12-30 17:22:14 +09:00
.mailmap	12 hotfixes, mostly against mm/. Five of these fixes are cc:stable.	2023-02-13 14:09:20 -08:00
.rustfmt.toml	rust: add `.rustfmt.toml`	2022-09-28 09:02:20 +02:00
COPYING	COPYING: state that all contributions really are covered by this file	2020-02-10 13:32:20 -08:00
CREDITS	MAINTAINERS: update SCTP maintainers	2023-02-02 11:35:33 -08:00
Kbuild	Kbuild updates for v6.1	2022-10-10 12:00:45 -07:00
Kconfig	kbuild: ensure full rebuild when the compiler is updated	2020-05-12 13:28:33 +09:00
MAINTAINERS	audit: update the mailing list in MAINTAINERS	2023-02-25 11:13:29 +01:00
Makefile	Linux 6.2.9	2023-03-30 12:51:43 +02:00
README	Drop all 00-INDEX files from Documentation/	2018-09-09 15:08:58 -06:00

README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.