On Tue, Sep 25, 2012 at 2:01 PM, Peter Zijlstra <a.p.zijls...@chello.nl> wrote: > On Tue, 2012-09-25 at 15:42 +0400, Cyrill Gorcunov wrote: > >> Guys, letme re-read this whole mail thread first since I have no clue >> what this remapping about ;) > > x86_setup_perfctr() / set_ext_hw_attr() have special purposed 0 and -1 > config values to mean -ENOENT and -EINVAL resp. > > This means neither config value can be a 'real' event. Now it turns out > Xeon-Phi has an actual event 0, which is masked by these special case > thingies.
Then how about using -1 or -2 for ENOENT and EINVAL? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
