Re: [PATCH 1/1] kernel/crash_core.c - Add crashkernel=auto for x86 and ARM

[Dave Young]

Hi John,

On 01/21/21 at 09:32am, john.p.donnelly@xxxxxxxxxx wrote:
> On 11/22/20 9:47 PM, Dave Young wrote:
> > Hi Guilherme,
> > On 11/22/20 at 12:32pm, Guilherme Piccoli wrote:
> > > Hi Dave and Kairui, thanks for your responses! OK, if that makes sense
> > > to you I'm fine with it. I'd just recommend to test recent kernels in
> > > multiple distros with the minimum "range" to see if 64M is enough for
> > > crashkernel, maybe we'd need to bump that.
> > 
> > Giving the different kernel configs and the different userspace
> > initramfs setup it is hard to get an uniform value for all distributions,
> > but we can have an interface/kconfig-option for them to provide a value like this patch
> > is doing. And it could be improved like Kairui said about some known
> > kernel added extra values later, probably some more improvements if
> > doable.
> > 
> > Thanks
> > Dave
> > 
> 
> Hi.
> 
> Are we going to move forward with implementing this for X86 and Arm ?
> 
> If other platform maintainers want to include this CONFIG option in their
> configuration settings they have a starting point.

I would expect this become arch independent.

Saeed, Kairui, would any of you like to update the patch?

> 
> Thank you,
> 
> John.
> 
> ( I am not currently on many of the included dist lists  in this email, so
> hopefully key contributors are included in this exchange )
> 

Thanks
Dave