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

[WANG Chao]

On 04/23/14 at 09:14am, Simon Horman wrote:
> 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.

Thanks!