On Thu, 17 Oct 2019, David Miller wrote: > From: Clark Williams <williams@xxxxxxxxxx> > Date: Thu, 17 Oct 2019 21:49:17 -0500 > > > BPF programs cannot loop and are limited to 4096 instructions. > > The limit was increased to 1 million not too long ago. Assuming a instruction/cycle ratio of 1.0 and a CPU frequency of 2GHz, that's 500us of preempt disabled time. Out of bounds by at least one order of magntiude for a lot of RT scenarios. Thanks, tglx