[U-Boot] [PATCH 1/2] ext4: Rename block group descriptor table from gd to bgd

[Tom Rini]

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On 10/03/12 13:40, Simon Glass wrote:
> Hi Tom,
> 
> On Wed, Oct 3, 2012 at 1:04 PM, Tom Rini <trini at ti.com> wrote: On
> 10/03/12 12:53, Simon Glass wrote:
> 
>>>> On x86 machines gd is unfortunately a #define, so we should
>>>> avoid using gd for anything. This patch changes uses of gd to
>>>> bgd so that ext4fs can be used on x86.
>>>> 
>>>> Signed-off-by: Simon Glass <sjg at chromium.org>
> 
>> Is there any way to change x86 to not be using a #define for gd?
> 
> I wasn't brave enough to look hard at that, although Graeme is on
> copy and will know. It is actually using inline assembly to access
> this special variable.

Yeah, I took a quick stab at it myself earlier and didn't make it
work.  We need to fix this for the release.  My concern was "we must
share this with the kernel" but, we don't (I realized as I was
drafting this reply).  So I'm more OK with taking the change now than
I was at first, but if we can not #define gd that will help prevent
the problem from popping up in the future.

- -- 
Tom
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