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6e77c413e8
If we try to set VFs mac address on a VF (not PF) net device,
the kernel will be crash. The commands are show as below:
$ echo 2 > /sys/class/net/$MLX_PF0/device/sriov_numvfs
$ ip link set $MLX_VF0 vf 0 mac 00:11:22:33:44:00
[exception RIP: mlx5_eswitch_set_vport_mac+41]
[ffffb8b7079e3688] do_setlink at ffffffff8f67f85b
[ffffb8b7079e37a8] __rtnl_newlink at ffffffff8f683778
[ffffb8b7079e3b68] rtnl_newlink at ffffffff8f683a63
[ffffb8b7079e3b90] rtnetlink_rcv_msg at ffffffff8f67d812
[ffffb8b7079e3c10] netlink_rcv_skb at ffffffff8f6b88ab
[ffffb8b7079e3c60] netlink_unicast at ffffffff8f6b808f
[ffffb8b7079e3ca0] netlink_sendmsg at ffffffff8f6b8412
[ffffb8b7079e3d18] sock_sendmsg at ffffffff8f6452f6
[ffffb8b7079e3d30] ___sys_sendmsg at ffffffff8f645860
[ffffb8b7079e3eb0] __sys_sendmsg at ffffffff8f647a38
[ffffb8b7079e3f38] do_syscall_64 at ffffffff8f00401b
[ffffb8b7079e3f50] entry_SYSCALL_64_after_hwframe at ffffffff8f80008c
and
[exception RIP: mlx5_eswitch_get_vport_config+12]
[ffffa70607e57678] mlx5e_get_vf_config at ffffffffc03c7f8f [mlx5_core]
[ffffa70607e57688] do_setlink at ffffffffbc67fa59
[ffffa70607e577a8] __rtnl_newlink at ffffffffbc683778
[ffffa70607e57b68] rtnl_newlink at ffffffffbc683a63
[ffffa70607e57b90] rtnetlink_rcv_msg at ffffffffbc67d812
[ffffa70607e57c10] netlink_rcv_skb at ffffffffbc6b88ab
[ffffa70607e57c60] netlink_unicast at ffffffffbc6b808f
[ffffa70607e57ca0] netlink_sendmsg at ffffffffbc6b8412
[ffffa70607e57d18] sock_sendmsg at ffffffffbc6452f6
[ffffa70607e57d30] ___sys_sendmsg at ffffffffbc645860
[ffffa70607e57eb0] __sys_sendmsg at ffffffffbc647a38
[ffffa70607e57f38] do_syscall_64 at ffffffffbc00401b
[ffffa70607e57f50] entry_SYSCALL_64_after_hwframe at ffffffffbc80008c
Fixes:
|
||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.