Messages in this thread | | | Subject | Re: [RFC 2/2] perf/core: change errno for sampling event not supported in hardware | From | Vineet Gupta <> | Date | Thu, 12 May 2016 12:24:25 +0530 |
| |
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 :-)
| |