* Stephane Eranian <eranian@xxxxxxxxxxxxxx> wrote: > On Thu, Sep 19, 2013 at 10:43 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > > On Wed, Sep 18, 2013 at 08:33:53PM +0200, Stephane Eranian wrote: > >> On Wed, Sep 18, 2013 at 5:42 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > >> > On Wed, Sep 18, 2013 at 10:19:32AM -0400, Vince Weaver wrote: > >> >> Can you point to any code that is fixed by the commit? > >> > > >> > I have some, but I don't think a lot of people use it. > >> > > >> > Would you be ok with something like the below? It should preserve > >> > functionality for code that only cares about cap_usr_rdpmc (PAPI). > >> > > >> > Stephane, does libpfm use any of these? > >> > > >> Yes, there is an example using this. Need to verify it is not broken > >> currently (self_count.c). > > > > So if that only uses cap_usr_rdpmc, you have the same issue as Vince and > > the proposed solutions would work for you too. > > > > If you also use cap_usr_time we've a bit of a problem. > > I need to look at this program again, was written a long time ago. It > does not use cap_usr_rdpmc nor cap_use_time for sure. If it does not use either flag (which in released kernels is really a single flag ABI-wise) then it should be fine. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html