From: Tim Abbott <tabbott@xxxxxxxxxxx>
Date: Wed, 16 Sep 2009 13:27:43 -0400 (EDT)
> On Wed, 16 Sep 2009, David Miller wrote:
>
>> Can you do this cleanup without moving the relative locations of .data
>> and .data1 sections?
>
> Yes, if you just swap RW_DATA_SECTION and .data1 so it looks like
>
> RW_DATA_SECTION(SMP_CACHE_BYTES, 0, THREAD_SIZE)
> .data1 : {
> *(.data1)
> }
>
> instead, that would preserve their relative locations.
>
> Currently, switching to RW_DATA_SECTION would still result in a change in
> their relative position that .data.page_aligned and .data.nosave would be
> between .data and .data1 (not sure if that is relevant on sparc). (this
> will change when <http://lkml.org/lkml/2009/9/16/396> is merged).
I don't know which, if any, are relevant or could cause problems.
It's hard for me to ACK this because it's not a straight nop
transformation, which we could at least presume would function
properly if the macros were implemented correctly.
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