Re: [PATCH v1.1 03/10] tools/libxg: Drop stale p2m logic from ARM's meminit()

[Ian Jackson <iwj@xxxxxxxxxxxxxx>]

Andrew Cooper writes ("[PATCH v1.1 03/10] tools/libxg: Drop stale p2m logic 
from ARM's meminit()"):
> Various version of gcc, when compiling with -Og, complain:
> 
>   xg_dom_arm.c: In function 'meminit':
>   xg_dom_arm.c:420:19: error: 'p2m_size' may be used uninitialized in this 
> function [-Werror=maybe-uninitialized]
>     420 |     dom->p2m_size = p2m_size;
>         |     ~~~~~~~~~~~~~~^~~~~~~~~~
> 
> This is actually entirely stale code since ee21f10d70^..97e34ad22d which
> removed the 1:1 identity p2m for translated domains.
> 
> Drop the write of d->p2m_size, and the p2m_size local variable.  Reposition
> the p2m_size field in struct xc_dom_image and correct some stale
> documentation.
> 
> This change really ought to have been part of the original cleanup series.
> 
> No actual change to how ARM domains are constructed.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>