Re: [Xen-devel] [PATCH v5 05/10] xen/arm: nr_lrs should be uint8_t

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 04/01/2014 12:59 PM, Ian Campbell wrote:
> On Mon, 2014-03-24 at 18:49 +0000, Stefano Stabellini wrote:
>> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> 
> Does this change anything in practice?

Patch #6 of Stefano's series keep track of LRs with an uint8 bits. I
asked for this patch to stupid issue later because the tracking use an
smaller number of bits.

> Hopefully the compiler doesn't start doing stupid word access + mask on
> every access...
> 
> Might there be more LRs with e.g. gic v3?

The number of LRs is encoded on 5 bits for the GICv3.

-- 
Julien Grall

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