Re: [tip:core/memblock] x86-64: Only set max_pfn_mapped to 512 MiB if we enter via head_64.S

Ingo Molnar
2010-10-14T06:06:30Z

* Ingo Molnar <mingo@elte.hu> wrote:

> * tip-bot for Jeremy Fitzhardinge <jeremy@goop.org> wrote:
>
> > Commit-ID: 859ee4f57fb4e91de8439496f62eb996f4a28ca8
> > Gitweb: http://git.kernel.org/tip/859ee4f57fb4e91de8439496f62eb996f4a28ca8
> > Author: Jeremy Fitzhardinge <jeremy@goop.org>
> > AuthorDate: Wed, 13 Oct 2010 16:34:15 -0700
> > Committer: H. Peter Anvin <hpa@linux.intel.com>
> > CommitDate: Wed, 13 Oct 2010 17:09:59 -0700
> >
> > x86-64: Only set max_pfn_mapped to 512 MiB if we enter via head_64.S
> >
> > head_64.S maps up to 512 MiB, but that is not necessarity true for
> > other entry paths, such as Xen.
>
> These two commits are a boot crasher on x86 defconfig (64-bit):

Caused by this one of the two:

859ee4f: x86-64: Only set max_pfn_mapped to 512 MiB if we enter via head_64.S

Ingo