On Tue, 26 May 2020 at 16:40, Daniel Thompson
wrote:
>
> On Tue, May 26, 2020 at 01:16:17PM +0530, Sumit Garg wrote:
> > On Fri, 22 May 2020 at 21:33, Daniel Thompson
> > wrote:
> > >
> > > On Fri, May 22, 2020 at 08:04:31PM +0530, Sumit Garg wrote:
> > > > In kgdb NMI context, polling driver
On Fri, 22 May 2020 at 22:05, Daniel Thompson
wrote:
>
> On Fri, May 22, 2020 at 08:03:47PM +0530, Sumit Garg wrote:
> > While rounding up CPUs via NMIs, its possible that a rounded up CPU
> > maybe holding a console port lock leading to kgdb master CPU stuck in
> > a deadlock during invocation
On Fri, 22 May 2020 at 21:33, Daniel Thompson
wrote:
>
> On Fri, May 22, 2020 at 08:04:31PM +0530, Sumit Garg wrote:
> > In kgdb NMI context, polling driver APIs are more safer to use instead
> > of console APIs since the polling drivers know they will execute from
> > all sorts of crazy places.
On Tue, May 26, 2020 at 01:16:17PM +0530, Sumit Garg wrote:
> On Fri, 22 May 2020 at 21:33, Daniel Thompson
> wrote:
> >
> > On Fri, May 22, 2020 at 08:04:31PM +0530, Sumit Garg wrote:
> > > In kgdb NMI context, polling driver APIs are more safer to use instead
> > > of console APIs since the
When I combined kgdboc_earlycon with an inflight patch titled ("soc:
qcom-geni-se: Add interconnect support to fix earlycon crash") [1]
things went boom. Specifically I got a crash during the transition
between kgdboc_earlycon and the main kgdboc that looked like this:
Call trace:
On Mon, May 25, 2020 at 11:18:32AM +0200, Peter Zijlstra wrote:
> On Mon, May 25, 2020 at 10:36:05AM +0200, Peter Zijlstra wrote:
> > Hi!
> >
> > Since you seem to care about kgdb, I figured you might want to fix this
> > before I mark it broken on x86 (we've been considering doing that for a
> >
On Tue, May 26, 2020 at 05:16:21PM +0100, Daniel Thompson wrote:
> On Mon, May 25, 2020 at 11:18:32AM +0200, Peter Zijlstra wrote:
> > On Mon, May 25, 2020 at 10:36:05AM +0200, Peter Zijlstra wrote:
> > > Hi!
> > >
> > > Since you seem to care about kgdb, I figured you might want to fix this
> >