Re: [Xen-devel] [PATCH v5 12/16] xen/arm32: Add an helper to invalidate all instruction caches

[Julien Grall <julien.grall@xxxxxxx>]

Hi Konrad,

On 21/09/16 18:32, Konrad Rzeszutek Wilk wrote:
> This is similar to commit fb9d877a9c0f3d4d15db8f6e0c5506ea641862c6
> "xen/arm64: Add an helper to invalidate all instruction caches"
> except it is on ARM32 side.
>
> When we are flushing the cache we are most likley also want
s/likley/likely/

> to flush the branch predictor too. Hence we add this.
>
> And we also need to follow this with dsb()/isb() which are
> memory barriers().
>
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Reviewed-by: Julien Grall <julien.grall@xxxxxxx>

Regards,

--
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel