On Tue, Aug 16, 2022 at 07:49:17AM +0200, Jiri Slaby wrote: > On 15. 08. 22, 22:51, Kuniyuki Iwashima wrote: > > From: Wei Wang <weiwan@xxxxxxxxxx> > > > > commit 4d8f24eeedc58d5f87b650ddda73c16e8ba56559 upstream. > > > > This reverts commit 4a41f453bedfd5e9cd040bad509d9da49feb3e2c. > > > > This to-be-reverted commit was meant to apply a stricter rule for the > > stack to enter pingpong mode. However, the condition used to check for > > interactive session "before(tp->lsndtime, icsk->icsk_ack.lrcvtime)" is > > jiffy based and might be too coarse, which delays the stack entering > > pingpong mode. > > We revert this patch so that we no longer use the above condition to > > determine interactive session, and also reduce pingpong threshold to 1. > > I would wait a bit before backporting this to stable: > https://lore.kernel.org/all/ca408271-8730-eb2b-f12e-3f66df2e643a@xxxxxxxxxx/ Looks like all is good, so I'll leave this be for now. thanks, greg k-h
