kexec, x86: Need a new e820 type support for kexec

[Toshi Kani]

On Fri, 2015-07-24 at 13:50 +0800, Baoquan He wrote:
> On 07/24/15 at 01:31pm, Baoquan He wrote:
> > On 07/23/15 at 06:26pm, Toshi Kani wrote:
> > > Hello,
> > > 
> > > ACPI 6.0 defines a new type in e820, AddressRangePersistentMemory 
> > > (7), for
> > > NVDIMM.  On a system with NVDIMM, kexec displays the following error
> > > message and sets it to RANGE_RESERVED as the fallback type.
> > > 
> > > Unknown type (Persistent Memory) while parsing
> > > /sys/firmware/memmap/34/type. Please report this as bug. Using
> > > RANGE_RESERVED now.
> > > 
> > > This new type is defined in "arch/x86/include/uapi/asm/e820.h" in 4.2
> > > -rc1
> > > as follows. 
> > > 
> > >   #define E820_PMEM       7
> 
> Let me check this and try to make a patch, it may need your help to test
> it.

Great!  Yes, I'd be glad to help testing your changes.

Thanks,
-Toshi