Re: [PATCH AUTOSEL for 3.18 36/40] powerpc/xmon: Avoid tripping SMP hardlockup watchdog

2018-02-02 Thread Nicholas Piggin
On Tue, 30 Jan 2018 15:35:54 +1100 Michael Ellerman wrote: > alexander.le...@verizon.com writes: > > > On Thu, Dec 14, 2017 at 12:10:39AM +1100, Michael Ellerman wrote: > >>alexander.le...@verizon.com writes: > >> > >>> From: Nicholas Piggin > >>> > >>> [ Upstream commit 064996d62a33ffe1026

Re: [PATCH AUTOSEL for 3.18 36/40] powerpc/xmon: Avoid tripping SMP hardlockup watchdog

2018-01-29 Thread Michael Ellerman
alexander.le...@verizon.com writes: > On Thu, Dec 14, 2017 at 12:10:39AM +1100, Michael Ellerman wrote: >>alexander.le...@verizon.com writes: >> >>> From: Nicholas Piggin >>> >>> [ Upstream commit 064996d62a33ffe10264b5af5dca92d54f60f806 ] >>> >>> The SMP hardlockup watchdog cross-checks other CP

Re: [PATCH AUTOSEL for 3.18 36/40] powerpc/xmon: Avoid tripping SMP hardlockup watchdog

2017-12-13 Thread alexander . levin
On Thu, Dec 14, 2017 at 12:10:39AM +1100, Michael Ellerman wrote: >alexander.le...@verizon.com writes: > >> From: Nicholas Piggin >> >> [ Upstream commit 064996d62a33ffe10264b5af5dca92d54f60f806 ] >> >> The SMP hardlockup watchdog cross-checks other CPUs for lockups, which >> causes xmon headaches

Re: [PATCH AUTOSEL for 3.18 36/40] powerpc/xmon: Avoid tripping SMP hardlockup watchdog

2017-12-13 Thread Michael Ellerman
alexander.le...@verizon.com writes: > From: Nicholas Piggin > > [ Upstream commit 064996d62a33ffe10264b5af5dca92d54f60f806 ] > > The SMP hardlockup watchdog cross-checks other CPUs for lockups, which > causes xmon headaches because it's assuming interrupts hard disabled > means no watchdog troubl

[PATCH AUTOSEL for 3.18 36/40] powerpc/xmon: Avoid tripping SMP hardlockup watchdog

2017-12-12 Thread alexander . levin
From: Nicholas Piggin [ Upstream commit 064996d62a33ffe10264b5af5dca92d54f60f806 ] The SMP hardlockup watchdog cross-checks other CPUs for lockups, which causes xmon headaches because it's assuming interrupts hard disabled means no watchdog troubles. Try to improve that by calling touch_nmi_watc