Re: [tip:perf/core] perf: Fix broken union in ' struct perf_event_mmap_page'

[Stephane Eranian]

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.
So which one(s) are okay to use?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/