Re: [rt-patch 4/3] arm,KVM: Move phys_timer handling to hard irq context

2018-08-07 Thread Sebastian Andrzej Siewior
On 2018-08-05 06:52:57 [+0200], Mike Galbraith wrote: > > FWIW, I had thought that something 4.16..master had made that business > go entirely away, but it only became much more infrequent. So much for > plan to slowly sneak up on whatever than was via ~bisect. I just released v4.18 based RT. Pl

Re: [rt-patch 4/3] arm,KVM: Move phys_timer handling to hard irq context

2018-08-04 Thread Mike Galbraith
On Sat, 2018-08-04 at 14:25 +0200, Mike Galbraith wrote: > > Besides, there are more interesting fish in the arm64 sea than kvm. > > virgin 4.16.18-rt12-rt > > [ 537.236131] ITS queue timeout (65440 65504 4640) > [ 537.236150] ITS cmd its_build_inv_cmd failed FWIW, I had thought that somethin

Re: [rt-patch 4/3] arm,KVM: Move phys_timer handling to hard irq context

2018-08-04 Thread Mike Galbraith
On Thu, 2018-08-02 at 19:43 +0200, Mike Galbraith wrote: > On Thu, 2018-08-02 at 18:50 +0200, Mike Galbraith wrote: > > On Thu, 2018-08-02 at 12:31 -0400, Steven Rostedt wrote: > > > On Thu, 02 Aug 2018 08:56:20 +0200 > > > Mike Galbraith wrote: > > > > > > > (arm-land adventures 1/3 take2 will h

Re: [rt-patch 4/3] arm,KVM: Move phys_timer handling to hard irq context

2018-08-02 Thread Mike Galbraith
On Thu, 2018-08-02 at 18:50 +0200, Mike Galbraith wrote: > On Thu, 2018-08-02 at 12:31 -0400, Steven Rostedt wrote: > > On Thu, 02 Aug 2018 08:56:20 +0200 > > Mike Galbraith wrote: > > > > > (arm-land adventures 1/3 take2 will have to wait, my cup runeth over) > > > > > > v4.14..v4.15 timer han

Re: [rt-patch 4/3] arm,KVM: Move phys_timer handling to hard irq context

2018-08-02 Thread Mike Galbraith
On Thu, 2018-08-02 at 12:31 -0400, Steven Rostedt wrote: > On Thu, 02 Aug 2018 08:56:20 +0200 > Mike Galbraith wrote: > > > (arm-land adventures 1/3 take2 will have to wait, my cup runeth over) > > > > v4.14..v4.15 timer handling changes including calling kvm_timer_vcpu_load() > > I take it th

Re: [rt-patch 4/3] arm,KVM: Move phys_timer handling to hard irq context

2018-08-02 Thread Steven Rostedt
On Thu, 02 Aug 2018 08:56:20 +0200 Mike Galbraith wrote: > (arm-land adventures 1/3 take2 will have to wait, my cup runeth over) > > v4.14..v4.15 timer handling changes including calling kvm_timer_vcpu_load() I take it that this should be added to v4.16-rt and marked stable-rt? -- Steve > du

[rt-patch 4/3] arm,KVM: Move phys_timer handling to hard irq context

2018-08-01 Thread Mike Galbraith
(arm-land adventures 1/3 take2 will have to wait, my cup runeth over) v4.14..v4.15 timer handling changes including calling kvm_timer_vcpu_load() during kvm_preempt_ops.sched_in and taking vgic_dist.lpi_list_lock in the timer interrupt handler required locks for which locking rules/context had be