Messages in this thread |  | | Date | Mon, 18 Nov 2013 09:53:35 +0100 | From | Peter Zijlstra <> | Subject | Re: [patch] perf/trace properly use u64 to hold event_id |
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On Fri, Nov 15, 2013 at 12:39:45PM -0500, Vince Weaver wrote: > > The 64-bit attr.config value for perf trace events was being copied into > an "int" before doing a comparison, meaning the top 32 bits were > being truncated. > > As far as I can tell this didn't cause any errors, but it did mean > it was possible to create valid aliases for all the tracepoint ids > which I don't think was intended. (For example, 0xffffffff00000018 > and 0x18 both enable the same tracepoint). > > Signed-off-by: Vince Weaver <vincent.weaver@maine.edu>
Thanks!
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