Re: Linux kernel crash dumps for ARM

Simon Horman
2010-01-05T22:02:24Z

On Tue, Jan 05, 2010 at 07:00:47PM +0000, Russell King wrote:
> On Tue, Jan 05, 2010 at 08:16:28PM +1100, Simon Horman wrote:
> > To add to this, my understanding is that kexec support varies across
> > different ARM platforms - that is to say, it works on some and fails on
> > others. While this seems to be slowly improving, I'm also aware of any list
> > of what is supported and what isn't.
>
> I'm unaware of that; the only area of weakness with kexec that I'm
> aware of is when the ARMv7 processor support didn't implement the
> necessary code to bring the caches/mmu/tlbs into a safe state for
> software-reboot, which is also what's required by kexec.

Ok, I could well be mistaken and its just ARMv7 that has a few issues
at this time.