Re: Re: [PATCH] s390: Make page table functions more generic

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Dave Anderson wrote:
Michael Holzheu wrote:

Hi Dave,

For s390(x) kernels the page table allocation method will be changed.
Instead of 3 levels, it will be now possible to allocate 4 levels.

The current implementation of the page table walk functions in crash
makes assumptions on how the page tables are allocated by the kernel.
E.g. three levels are hard coded.

This patch changes that and the page table walk is done only according
to the s390 architecture without assumptions on the implementation in
the kernel.

So both old and new kernels are supported.


Hi Michael,

I have complete faith in you...  ;-)

And this certainly simplifies things considerably, which
is always good.

But -- can you give me a warm-and-fuzzy feeling by confirming
that you tested this on a RHEL kernel?  And that "make warn"
compiles cleanly?

I *knew* my faith was well-justified...

I just compiled and verified s390 on RHEL4, and s390x on RHEL5,
and I'll presume the other combos work just as well.

Nice work!  Queued for the next release.

Thanks,
  Dave

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