> On Thu, Apr 17, 2008 at 10:16:16AM -0700, Chris Wright wrote:
>> * Eric W. Biederman (
ebiederm@xmission.com) wrote:
>>> Chris Wright <chrisw@sous-sol.org> writes:
>>>
>>>> -stable review patch. If anyone has any objections, please let us know.
>>>> ---------------------
>>> This patch seems quite reasonable. However as I read it, it is
>>> a feature enhancement, that allows a user space tool to function
>>> better. Do we backport trivial features into stable now?
>> Function better, meaning work reliably? Sounds like a fix not a
>> feature.
>>
>
> I think in theory, makedumpfile should be able to guess phys_base by
> looking at the vmcore ELF headers (Look for program headers which are
> mapping kernel text and data and look at respective virtual address and
> physical addresses.).
>
> I think this patch just makes it explicit instead putting extra logic
> for guessing the things.
>
> To make sure makedumpfile is not broken with older kernels (in specific
> configurations where phys_base is not zero), I think one can also modify
> makedumpfile but I don't see any harm in putting this small change
> in stable kernel.
>
> Keni'chi, can you please throw some light here if makedumpfile is broken with
> stable kernel or not (with phys_base not being zero).