Re: [PATCH net v2 1/2] Revert "tuntap: add missing xdp flush"

On 2/22/2018 9:24 AM, Jason Wang wrote: This reverts commit 762c330d670e3d4b795cf7a8d761866fdd1eef49. The reason is we try to batch packets for devmap which causes calling xdp_do_flush() under the process context. Simply disable premmption s/under/in/. Disabling preemption. may not wor

[PATCH net v2 1/2] Revert "tuntap: add missing xdp flush"

This reverts commit 762c330d670e3d4b795cf7a8d761866fdd1eef49. The reason is we try to batch packets for devmap which causes calling xdp_do_flush() under the process context. Simply disable premmption may not work since process may move among processors which lead xdp_do_flush() to miss some flushes