[PATCH v7 0/9] kexec-tools, x86: E820 memmap pass for kdump

[Simon Horman]

On Tue, Apr 22, 2014 at 12:37:51PM +0800, WANG Chao wrote:
> On 04/22/14 at 10:56am, WANG Chao wrote:
> > Hi, All
> > 
> > This patchset enables passing memory map via E820 map on x86 platform instead
> > of memmap=exactmap. It's a better design and will solve the following problem
> > so far:
> > 
> > - kernel cmdline is limited resource and large machines tend to have many
> >     memory ranges that may excceed kernel cmdline limit size.
> > - kASLR doesn't work with memmap=exactmap, because kASLR happens early than
> >     user defined memmap=exactmap takes effect.
> > 
> > Unfortunately, saved_max_pfn still got its user out there (calgry pci, it looks
> > like the only one). So for backward compatibility, I'm introducing a new option
> > --pass-memmap-cmdline to force kexec-tools to pass memmap=exactmap, the old way.
> > 
> > This patchset contains massive updates from the previous one. I take some
> > suggestions from reviewers. I try to split the changes into smaller pieces and
> > keep the whole change as minimal as I can so it wouldn't be too harsh to review
> > the patch.
> > 
> > Any comment is appreciate!
> > 
> > v7->v6:
> > dyoung/Simon:
> >  - more description for CRASH_MAX_MEMMAP_NR to be 1024
> 
> Hi, Simon
> 
> I've changed 5/9 regarding Dave's comment and yours. Could you please
> pick up this patchset if there's no more problem?

Thanks for all the hard work. I have applied the entire series.