[PATCH v14 7/8] KVM: arm64: use CASLT instruction for swapping guest descriptor

Yeoreum Yun yeoreum.yun at arm.com
Thu Feb 26 05:52:45 PST 2026


Hi Oliver,
> On Wed, Feb 25, 2026 at 06:27:07PM +0000, Yeoreum Yun wrote:
> > +	asm volatile(__LSUI_PREAMBLE
> > +		     "1: caslt	%[old], %[new], %[addr]\n"
>
> The other two flavors of this use relaxed ordering, why can't we do the
> same with LSUI?

Right. I've misunderstood caslt is relaxed symantic.
I should change with CAST.

Thanks!

--
Sincerely,
Yeoreum Yun



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