Re: [RFC][PATCH] extable: Make sure all archs define _sdata

[Ralf Baechle]

On Thu, May 19, 2011 at 09:34:58PM -0400, Steven Rostedt wrote:

> Can I get an Acked-by (or comment) from the following Maintainers:
> 
>   alpha
>   m32r
>   m68k
>   mips
>   parisc
> 
> Ingo has discovered that one of my patches broke the builds of these
> architectures. Although he added a quick fix, this patch supplies the
> proper fix and touches the affected architectures. Please review and Ack
> (or NACK with guidance) this patch.
> 
> -- Steve
> 
> A new utility function is used to determine if a passed in address is
> part of core kernel data or not. It may or may not return true for RO
> data, but this utility must work for RW data. Thus both _sdata and
> _edata must be defined and continuous, without .init sections that may
> later be freed and replaced by volatile memory (memory that can be
> freed).
> 
> This utility function is used to determine if data is safe from ever
> being freed. Thus it should return true for all RW global data that is
> not in a module or has been allocated, or false otherwise.

Acked-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>

Thanks,

  Ralf
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