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Eric Dumazet
e759e1e4a4
This patch reverts following changes:83419b61d1net: reduce RTNL hold duration in unregister_netdevice_many_notify() (part 2)ae646f1a0bnet: reduce RTNL hold duration in unregister_netdevice_many_notify() (part 1)cfa579f666net: no longer hold RTNL while calling flush_all_backlogs() This caused issues in layers holding a private mutex: cleanup_net() rtnl_lock(); mutex_lock(subsystem_mutex); unregister_netdevice(); rtnl_unlock(); // LOCKDEP violation rtnl_lock(); I will revisit this in next cycle, opt-in for the new behavior from safe contexts only. Fixes:cfa579f666("net: no longer hold RTNL while calling flush_all_backlogs()") Fixes:ae646f1a0b("net: reduce RTNL hold duration in unregister_netdevice_many_notify() (part 1)") Fixes:83419b61d1("net: reduce RTNL hold duration in unregister_netdevice_many_notify() (part 2)") Reported-by: syzbot+5b9196ecf74447172a9a@syzkaller.appspotmail.com Closes: https://lore.kernel.org/netdev/6789d55f.050a0220.20d369.004e.GAE@google.com/ Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://patch.msgid.link/20250129142726.747726-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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
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https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText 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.