Re: [Xen-devel] [PATCH] xen/x86: Remove GB macro in asm-x86/config.h

[Keir Fraser <keir.xen@xxxxxxxxx>]

On 08/10/2013 18:11, "Ian Campbell" <ian.campbell@xxxxxxxxxx> wrote:

> On Tue, 2013-10-08 at 17:49 +0100, Andrew Cooper wrote:
>> On 08/10/13 17:48, Julien Grall wrote:
>>> Commit 983843e "xen: Add macros MB and GB" introduce a generic GB macro.
>>> By mistake, the macro in asm-x86/config.h was not removed. This is result to
>>> a compilation error when Xen is build for x86.
>>> 
>>> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
>>> CC: Keir Fraser <keir@xxxxxxx>
>>> CC: Jan Beulich <jbeulich@xxxxxxxx>
>> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> 
> Since Keir acked the patch I was supposed to have applied I have applied
> this without waiting.
> 
> BTW, the original patch didn't cause an actual build failure in
> practice, I don't know why not... (does cpp perhaps not whine if the
> duplicate definitions are identical?)

Yeah, cpp accepts exact duplicates ime.

>>> ---
>>>  xen/include/asm-x86/config.h |    1 -
>>>  1 file changed, 1 deletion(-)
>>> 
>>> diff --git a/xen/include/asm-x86/config.h b/xen/include/asm-x86/config.h
>>> index 3980e06..99d0e2c 100644
>>> --- a/xen/include/asm-x86/config.h
>>> +++ b/xen/include/asm-x86/config.h
>>> @@ -129,7 +129,6 @@ extern unsigned char boot_edid_info[128];
>>>  #define PML4_ADDR(_slot)                              \
>>>      (((_AC(_slot, UL) >> 8) * _AC(0xffff000000000000,UL)) | \
>>>       (_AC(_slot, UL) << PML4_ENTRY_BITS))
>>> -#define GB(_gb) (_AC(_gb, UL) << 30)
>>>  
>>>  /*
>>>   * Memory layout:
>> 
> 
> 



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