Re: [PATCH v7 02/10] arm64: hyperv: Add core Hyper-V include files

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On Mon, Aug 24, 2020 at 6:47 PM Michael Kelley <mikelley@xxxxxxxxxxxxx> wrote:
> +
> +#define hv_get_simp(val) (val = hv_get_vpreg(HV_REGISTER_SIPP))
> +
> +#define hv_get_siefp(val) (val = hv_get_vpreg(HV_REGISTER_SIFP))

Macros that modify their arguments are generally a bad idea. Since each one
of these only has a few callers, could you just redefine the x86 version to
use function-style calling conventions and turn them into inline functions?

      Arnd



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