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This reverts commitedd7ceb782("ipv6: Allow non-gateway ECMP for IPv6"). Eric reported a division by zero in rt6_multipath_rebalance() which is caused by above commit that considers identical local routes to be siblings. The division by zero happens because a nexthop weight is not set for local routes. Revert the commit as it does not fix a bug and has side effects. To reproduce: # ip -6 address add 2001:db8::1/64 dev dummy0 # ip -6 address add 2001:db8::1/64 dev dummy1 Fixes:edd7ceb782("ipv6: Allow non-gateway ECMP for IPv6") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Tested-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.