On Tue, Jul 13, 2021 at 09:09:04AM -0400, Mathieu Desnoyers wrote: > ----- On Jul 13, 2021, at 12:16 AM, paulmck paulmck@xxxxxxxxxx wrote: > > > On Tue, Jul 13, 2021 at 08:56:45AM +0800, zhouzhouyi@xxxxxxxxx wrote: > >> From: Zhouyi Zhou <zhouzhouyi@xxxxxxxxx> > >> > >> Hi Paul, > >> > >> During my studying of RCU, I did a grep in the kernel source tree. > >> I found there are 3 places where the macro name CONFIG_TASKS_RCU_TRACE > >> should be CONFIG_TASKS_TRACE_RCU instead. > >> > >> Without memory fencing, the idle/userspace task inspection may not > >> be so accurate. > >> > >> Thanks for your constant encouragement for my studying. > >> > >> Best Wishes > >> Zhouyi > >> > >> Signed-off-by: Zhouyi Zhou <zhouzhouyi@xxxxxxxxx> > > > > Good eyes, and those could cause real bugs, so thank you! > > Hi Paul, > > This makes me wonder: what is missing testing-wise in rcutorture to > catch those issues with testing before they reach mainline ? My guess: Running on weakly ordered architectures. ;-) Thanx, Paul