Re: [RFC 2/2] perf/core: change errno for sampling event not supported in hardware
From: Vineet Gupta
Date: Thu May 12 2016 - 02:56:16 EST
On Thursday 12 May 2016 12:12 PM, Peter Zijlstra wrote:
>> Tried that and doesn't even compile. Reconfirms what Vince said, ENOTSUPP is not
>> > exposed to userspace (being in include/linux and not include/uapi/linux)
> Durr, so what does userspace see?
It sees the "value" of ENOTSUPP, i.e. 524 but there is no symbolic reference to it :-)