Re: [PATCH v14 7/8] KVM: arm64: use CASLT instruction for swapping guest descriptor
From: Yeoreum Yun
Date: Thu Feb 26 2026 - 09:06:47 EST
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