On Fri, Jan 19, 2024 at 04:31:13PM +0000, Dave Martin wrote: > On Fri, Jan 19, 2024 at 12:29:13PM +0000, Mark Brown wrote: > > When we are in a syscall we will only save the FPSIMD subset even though > > the task still has access to the full register set, and on context switch > (Pedantic nit: "A even if B" (= "A applies even in that subset of cases > where B"), instead of "A even though B" (= "A applies notwithstanding > that it is always the case that B") (?) If the SVE trapping were > ripped out altogether, it would be a different and rather simpler > story...) I really can't follow what you're trying to say here. I'm not sure I where the bit about "always" comes from here? > If the historical meanings of TIF_SVE have been split up (which seems a > good idea), does that resolve all of the "bare" > test_thread_flag(TIF_SVE) that were still there? There's a couple more, but this is all of them in the signal handling code - I should have one or two more patches. Most of the usage is actually checking the trapping and therefore fine.
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