* Peter Zijlstra <pet...@infradead.org> wrote: > Vince reported that its possible to overflow the various size fields > and get weird stuff if you stick too many events in a group. > > Put a lid on this by requiring the fixed record size not exceed 16k. > This is still a fair amount of events (silly amount really) and leaves > plenty room for callchains and stack dwarves while also avoiding > overflowing the u16 variables.
Does this leave a natural ABI extension route here, in case in the future it becomes a problem? We should take aside a value to mean 'larger record' or such? Could we list exactly which fields this concerns, in which structures? Thanks, Ingo -- 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/