Messages in this thread | | | Date | Mon, 26 Feb 2018 13:50:04 -0500 (EST) | Subject | Re: [PATCH V4 net 1/3] Revert "tuntap: add missing xdp flush" | From | David Miller <> |
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From: Jason Wang <jasowang@redhat.com> Date: Sat, 24 Feb 2018 11:32:24 +0800
> This reverts commit 762c330d670e3d4b795cf7a8d761866fdd1eef49. The > reason is we try to batch packets for devmap which causes calling > xdp_do_flush() in the process context. Simply disabling preemption > may not work since process may move among processors which lead > xdp_do_flush() to miss some flushes on some processors. > > So simply revert the patch, a follow-up patch will add the xdp flush > correctly. > > Reported-by: Christoffer Dall <christoffer.dall@linaro.org> > Fixes: 762c330d670e ("tuntap: add missing xdp flush") > Signed-off-by: Jason Wang <jasowang@redhat.com>
Applied.
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