[PATCH 1/2] arm64:vdso: Rewrite gettimeofday into C.

Catalin Marinas catalin.marinas at arm.com
Mon Apr 24 11:21:06 EDT 2017


On Sun, Apr 23, 2017 at 04:47:00PM -0700, Andrew Pinski wrote:
> This allows the compiler to optimize the divide by 1000.
> And remove the other divide.
> 
> On ThunderX, gettimeofday improves by 32%.  On ThunderX 2,
> gettimeofday improves by 18%.

Is this with or without the second patch (removing the ISB)?

-- 
Catalin



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