Re: [Xen-devel] [PATCH for-4.12] xen/arm: gic: Make sure the number of interrupt lines is valid before using it

[Julien Grall <julien.grall@xxxxxxx>]

(+ Juergen)

Hi Juergen,

On 22/01/2019 23:22, Stefano Stabellini wrote:
> On Fri, 30 Nov 2018, Julien Grall wrote:
> > GICv2 and GICv3 supports up to 1020 interrupts. However, the value computed
> > from GICD_TYPER.ITLinesNumber can be up to 1024. On GICv3, we will end up to
> > write in reserved registers that are right after the IROUTERs one as the
> > value is not capped early enough.
> >
> > Cap the number of interrupts as soon as we compute it so we know we can
> > safely using it afterwards.
> >
> > Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
> > Reported-by: Jan-Peter Larsson <Jan-Peter.Larsson@xxxxxxx>
> Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Would it be possible to give an RAB for this patch?

Cheers,

--
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel