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

Vincenzo Frascino vincenzo.frascino at arm.com
Fri Jan 10 12:45:50 MSK 2020


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


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