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xsk: Inherit need_wakeup flag for shared sockets
commit 60240bc upstream. The flag for need_wakeup is not set for xsks with `XDP_SHARED_UMEM` flag and of different queue ids and/or devices. They should inherit the flag from the first socket buffer pool since no flags can be specified once `XDP_SHARED_UMEM` is specified. Fixes: b5aea28 ("xsk: Add shared umem support between queue ids") Signed-off-by: Jalal Mostafa <jalal.a.mostapha@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Magnus Karlsson <magnus.karlsson@intel.com> Link: https://lore.kernel.org/bpf/20220921135701.10199-1-jalal.a.mostapha@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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