Messages in this thread | | | Date | Thu, 21 May 2020 12:10:47 +0200 | From | Peter Zijlstra <> | Subject | Re: Endless soft-lockups for compiling workload since next-20200519 |
| |
On Thu, May 21, 2020 at 02:40:36AM +0200, Frederic Weisbecker wrote:
> atomic_fetch_or(...., nohz_flags(0)) > softirq() { #VMEXIT or anything that could stop a CPU for a while > run_rebalance_domain() { > nohz_idle_balance() { > atomic_andnot(NOHZ_KICK_MASK, nohz_flag(0))
I'm an idiot and didn't have enough wake-up-juice; I missed that andnot clearing the flag again.
Yes, fun fun fun..
| |