| Subject | Re: [patch 00/11] x86/vdso: Cleanups, simmplifications and CLOCK_TAI support | From | Florian Weimer <> | Date | Fri, 14 Sep 2018 14:56:46 +0200 |
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On 09/14/2018 02:50 PM, Thomas Gleixner wrote: > Matt attempted to add CLOCK_TAI support to the VDSO clock_gettime() > implementation, which extended the clockid switch case and added yet > another slightly different copy of the same code. > > Especially the extended switch case is problematic as the compiler tends to > generate a jump table which then requires to use retpolines.
Does vDSO code really have to use retpolines? It's in userspace, after all.
Thanks, Florian
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