Magnus Karlsson ffbd663eba Revert "xsk: Do not sleep in poll() when need_wakeup set" ...

commit 0706a78f31 upstream.

This reverts commit bd0687c18e.

This patch causes a Tx only workload to go to sleep even when it does
not have to, leading to misserable performance in skb mode. It fixed
one rare problem but created a much worse one, so this need to be
reverted while I try to craft a proper solution to the original
problem.

Fixes: bd0687c18e ("xsk: Do not sleep in poll() when need_wakeup set")
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211217145646.26449-1-magnus.karlsson@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-12-22 09:32:51 +01:00

..

Kconfig

treewide: Add SPDX license identifier - Makefile/Kconfig

2019-05-21 10:50:46 +02:00

Makefile

xsk: Introduce AF_XDP buffer allocation API

2020-05-21 17:31:26 -07:00

xdp_umem.c

xsk: Use kvcalloc to support large umems

2021-05-25 13:11:50 +02:00

xdp_umem.h

xsk: Fix umem cleanup bug at socket destruct

2020-11-20 15:52:39 +01:00

xsk_buff_pool.c

xsk: Fold xp_assign_dev and __xp_assign_dev

2021-01-25 23:56:33 +01:00

xsk_diag.c

xsk: Fix possible segfault in xsk umem diagnostics

2020-09-02 16:49:40 +02:00

xsk_queue.c

xsk: Remove MEM_TYPE_ZERO_COPY and corresponding code

2020-05-21 17:31:27 -07:00

xsk_queue.h

xsk: Fix broken Tx ring validation

2021-06-18 16:59:20 +02:00

xsk.c

Revert "xsk: Do not sleep in poll() when need_wakeup set"

2021-12-22 09:32:51 +01:00

xsk.h

xdp: Add proper __rcu annotations to redirect map entries

2021-06-24 19:41:15 +02:00

xskmap.c

xdp: Add proper __rcu annotations to redirect map entries

2021-06-24 19:41:15 +02:00