Re: [Xen-devel] [RFC 7/7] arm/gic-v3: add GIC version suffix to iomem range variables

[Andrii Anisov <andrii.anisov@xxxxxxxxx>]

Hello Stefano,

On 11.11.19 22:59, Stefano Stabellini wrote:
> this seems a very serious compiler bug.
Yep.

> This, together with the other bug described in the previous patch, makes
> me think the ARMCC is not quite ready for showtime.
Yet, this particular ARM Compiler version is safety certified and LTS.

> Do you know if there
> are any later version of the compiler that don't have these problems?
I don't know, ARM did not say something special about it. As I know, the reason to take 
this compiler version was that it is the "latest and greatest" safety certified

> I would hate to introduce these workarounds
I hated finding and publishing these workarounds, but here we are.

The main question here is if XEN needs a tag "Support safety certified 
compiler" by the cost of accepting such workarounds.
Then discuss how to reduce their stench.

--
Sincerely,
Andrii Anisov.

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