On Wed, Jul 20, 2022 at 10:29:56AM +0100, Marc Zyngier wrote: > Mark Brown <broonie@xxxxxxxxxx> wrote: > > it. Marc Zyngier has previously noted publicly the current behaviour > > being a consideration in the context of discusion of optimisation ideas > > like this one, I was a bit surprised that he commented on an earlier > > patch in the series but not this one. > Just because I don't repeat myself doesn't mean I changed my mind. I > still don't buy the ABI change, as there is already a large(-ish) body > of SW that assumes the current semantics. Your previous comments (or at least the ones that I saw) weren't *quite* that definitive. I'm unconvinced about us actually having a large body of software at this point, it's only potentially things that directly do syscalls in the middle of SVE using functions and never get run with qemu user mode - that could definitely be a thing, but let's not overstate it.
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