Re: [Kgdb-bugreport] [PATCH v7 7/7] arm64: kgdb: Roundup cpus using IPI as NMI

Hi, On Mon, Nov 2, 2020 at 7:47 PM Sumit Garg wrote: > > arm64 platforms with GICv3 or later supports pseudo NMIs which can be > leveraged to roundup CPUs which are stuck in hard lockup state with > interrupts disabled that wouldn't be possible with a normal IPI. > > So instead switch to roundup

Re: [Kgdb-bugreport] [PATCH v7 0/7] arm64: Add framework to turn an IPI as NMI

tion > of printk() in common printk() code (see patch [3]). > > [1] https://lkml.org/lkml/2020/4/24/328 > [2] https://lkml.org/lkml/2020/5/19/710 > [3] https://lkml.org/lkml/2020/5/20/418 > > Sumit Garg (7): > arm64: Add framework to turn IPI as NMI > irqchip/gic-v3: Enable

Re: [Kgdb-bugreport] [PATCH] hardlockup: detect hard lockups using secondary (buddy) cpus

On Mon, Apr 24, 2023 at 11:42 PM Doug Anderson wrote: > > Hi, > > On Mon, Apr 24, 2023 at 5:54 AM Daniel Thompson > wrote: > > > > On Fri, Apr 21, 2023 at 03:53:30PM -0700, Douglas Anderson wrote: > > > From: Colin Cross > > > > > > Implement a hardlockup detector that can be enabled on SMP syst

Re: [Kgdb-bugreport] [PATCH v12 0/7] arm64: Add IPI for backtraces / kgdb; try to use NMI for some IPIs

NMI IPI" to "debug IPI" since it might not be backed by NMI. > - arch_trigger_cpumask_backtrace() no longer returns bool > > Changes in v8: > - "Tag the arm64 idle functions as __cpuidle" new for v8 > - Removed "#ifdef CONFIG_SMP" since arm64 is always