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Ivan Vecera efb6f4a359 i40e: Wait for pending VF reset in VF set callbacks 
Commit 028daf8011 ("i40e: Fix attach VF to VM issue") fixed
a race between i40e_ndo_set_vf_mac() and i40e_reset_vf() during
an attachment of VF device to VM. This issue is not related to
setting MAC address only but also VLAN assignment to particular
VF because the newer libvirt sets configured MAC address as well
as an optional VLAN. The same behavior is also for i40e's
.ndo_set_vf_rate and .ndo_set_vf_spoofchk where the callbacks
just check if the VF was initialized but not wait for the finish
of pending reset.

Reproducer:
[root@host ~]# virsh attach-interface guest hostdev --managed 0000:02:02.0 --mac 52:54:00:b4:aa:bb
error: Failed to attach interface
error: Cannot set interface MAC/vlanid to 52:54:00:b4:aa:bb/0 for ifname enp2s0f0 vf 0: Resource temporarily unavailable

Fix this issue by using i40e_check_vf_init_timeout() helper to check
whether a reset of particular VF was finished in i40e's
.ndo_set_vf_vlan, .ndo_set_vf_rate and .ndo_set_vf_spoofchk callbacks.

Tested-by: Ma Yuying <yuma@redhat.com>
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
History 2023-07-14 10:15:06 -07:00
arch for-netdev 2023-07-13 19:13:24 -07:00
block block-6.5-2023-07-03 2023-07-03 18:48:38 -07:00
certs KEYS: Add missing function documentation 2023-04-24 16:15:52 +03:00
crypto crypto: algif_hash - Fix race between MORE and non-MORE sends 2023-07-08 22:48:42 +10:00
Documentation for-netdev 2023-07-13 19:13:24 -07:00
drivers i40e: Wait for pending VF reset in VF set callbacks 2023-07-14 10:15:06 -07:00
fs Minor cleanups for 6.5: 2023-07-09 09:50:42 -07:00
include net: mdio: add unlocked mdiobus and mdiodev bus accessors 2023-07-14 08:51:48 +01:00
init Kbuild updates for v6.5 2023-07-01 09:24:31 -07:00
io_uring io_uring-6.5-2023-07-03 2023-07-03 18:43:10 -07:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel for-netdev 2023-07-13 19:13:24 -07:00
lib for-netdev 2023-07-13 19:13:24 -07:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm: lock newly mapped VMA with corrected ordering 2023-07-08 16:44:11 -07:00
net devlink: remove reload failed checks in params get/set callbacks 2023-07-14 09:08:09 +01:00
rust rust: error: impl Debug for Error with errname() integration 2023-06-13 01:24:42 +02:00
samples for-netdev 2023-07-13 19:13:24 -07:00
scripts A half-dozen late arriving docs patches. They are mostly fixes, but we 2023-07-06 22:15:38 -07:00
security security: Constify sk in the sk_getsecid hook. 2023-07-14 08:27:33 +01:00
sound sound fixes for 6.5-rc1 2023-07-07 15:40:17 -07:00
tools selftests: router_bridge_pvid_vlan_upper: Add a new selftest 2023-07-14 10:20:15 +01:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt ARM64: 2023-07-03 15:32:22 -07:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.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: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Revert ".gitignore: ignore *.cover and *.mbx" 2023-07-04 15:05:12 -07:00
.mailmap 16 hotfixes. Six are cc:stable and the remainder address post-6.4 issues. 2023-07-08 14:30:25 -07:00
.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 - Address -Wmissing-prototype warnings 2023-06-26 16:43:54 -07:00
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 for-netdev 2023-07-13 19:13:24 -07:00
Makefile Linux 6.5-rc1 2023-07-09 13:53:13 -07:00
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.