On 2023/7/11 4:32, Paul E. McKenney wrote: > On Mon, Jul 10, 2023 at 03:55:16PM -0400, Joel Fernandes wrote: >> On Mon, Jul 10, 2023 at 3:06 PM Paul E. McKenney <paulmck@xxxxxxxxxx> wrote: >>> >>> On Wed, Jul 05, 2023 at 03:30:20PM +0800, Zhen Lei wrote: >>>> The stacks of all stalled CPUs will be dumped. If the CPU on where RCU GP >>>> kthread last ran is stalled, its stack does not need to be dumped again. >>>> >>>> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> >>> >>> This one looks good. Please feel free to rebase it before 1/2 and repost. >> >> Just a small comment: >> I wondered if this would make it harder to identify which stack among >> the various CPU stacks corresponds to the one the GP kthread is >> running on. However, this line does print the CPU number of the >> thread, so it is perhaps not an issue: >> >> pr_err("%s kthread starved for %ld jiffies! g%ld f%#x >> %s(%d) ->state=%#x ->cpu=%d\n", >> >> Reviewed-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx> > > Thank you! Zhen Lei, please feel free to add Joel's Reviewed-by on your > next posting. OK > > Thanx, Paul > . > -- Regards, Zhen Lei