Re: [Xen-devel] [PATCH] libxc/arm: initialise p2m_size to make gcc happy

[Julien Grall <julien.grall@xxxxxxx>]

Hi,

On 03/21/2018 04:43 PM, Wei Liu wrote:
> On Wed, Mar 14, 2018 at 01:27:37PM +0000, Julien Grall wrote:
> > Hi,
> >
> > On 03/14/2018 12:32 PM, Wei Liu wrote:
> > > Gcc with -O3 failed to spot the loop to initialise p2m_size runs at
> > > least once.
> > Aside, Andrew's comment the patch looks okay. But I am wondering why we need
> > to allocate p2m_host for Arm?
> Not sure, really. :-)
>
> >  From a quick look I have seen no real user except xc_dom_update_guest_p2m
> > that can cope with p2m_host = NULL.
> Maybe it is to work around this limitation in code.
I will have a look at it. Meanwhile, I guess it is better to make GCC 
happy with that patch.
Cheers,

--
Julien Grall

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