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SubjectRe: [PATCH v3 0/2] perf: arm64: Kernel support for Dwarf unwinding through SVE functions
On Thu, Sep 01, 2022 at 02:26:56PM +0100, James Clark wrote:
> I'm resubmitting this with a few of the changes suggested by Will on V2.
>
> I haven't made any changes regarding the open questions about the
> discoverability or saving the new reg and passing to output_sample()
> because I think it's best to be consistent with the implementations on
> other platforms first. I have explained in more detail on v2 [1].
>
> [1]: https://lore.kernel.org/lkml/5fcf1a6f-c8fb-c296-992e-18aae8874095@arm.com/

Fair enough, I can't argue against being consistent.

Given that this exposes subtle new user ABI, do we have any coverage in
the selftests? If not, please could you add something?

Thanks,

Will

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