[PATCH v4 35/40] KVM: arm/arm64: Get rid of vgic_elrsr
Christoffer Dall
christoffer.dall at linaro.org
Fri Feb 23 09:50:16 PST 2018
On Fri, Feb 23, 2018 at 02:44:30PM +0000, Julien Grall wrote:
> Hi Christoffer,
>
> On 15/02/18 21:03, Christoffer Dall wrote:
> >There is really no need to store the vgic_elrsr on the VGIC data
> >structures as the only need we have for the elrsr is to figure out if an
> >LR is inactive when we save the VGIC state upon returning from the
> >guest. We can might as well store this in a temporary local variable.
> >
> >This also gets rid of the endianness conversion in the VGIC save
> >function, which is completely unnecessary and would actually result in
> >incorrect functionality on big-endian systems, because we are only using
> >typed values here and not converting pointers and reading different
> >types here.
>
> I can't find any endianness code removed in this code. What did I miss?
>
Ah, good find, we ended up fixing this in a separate commit:
fc396e066318, "KVM: arm/arm64: Fix broken GICH_ELRSR big endian conversion", 2017-12-03
I'll adjust the commit message.
Thanks,
-Christoffer
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