Re: [PATCHv8 02/34] lib/vdso: make do_hres and do_coarse as __always_inline

Vincenzo Frascino
2020-01-10T09:45:50Z

On 11/12/19 1:26 AM, Dmitry Safonov wrote:
> +» » vd·=·&vd[CS_HRES_COARSE];
> +out_hres:
> +» » return·do_hres(vd,·clock,·ts);
> » }·else·if·(msk·&·VDSO_COARSE)·{
> » » do_coarse(&vd[CS_HRES_COARSE],·clock,·ts);
> » » return·0;
> » }·else·if·(msk·&·VDSO_RAW)·{
> -» » return·do_hres(&vd[CS_RAW],·clock,·ts);
> +» » vd·=·&vd[CS_RAW];
> +» » /*·goto·allows·to·avoid·extra·inlining·of·do_hres.·*/
> +» » goto·out_hres;

What is the performance impact of "goto out_hres"?

--
Regards,
Vincenzo