svn commit: r305607 - head/sys/arm64/arm64

Ed Schouten ed at nuxi.nl
Thu Sep 8 19:17:52 UTC 2016


2016-09-08 17:05 GMT+02:00 Andrew Turner <andrew at fubar.geek.nz>:
> On Thu, 8 Sep 2016 16:48:45 +0200
> Ed Schouten <ed at nuxi.nl> wrote:
>> It depends on which system register is being used, right? System
>> registers like TPIDR_EL0 are accessed by userspace all the time.
>
> Correct, the trap is only hit when userspace doesn't have permission to
> access the register.

Got it. Thanks for clarifying!

-- 
Ed Schouten <ed at nuxi.nl>
Nuxi, 's-Hertogenbosch, the Netherlands
KvK-nr.: 62051717


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