From: Ben Hutchings <bhutchi...@solarflare.com> Date: Tue, 29 Jan 2013 17:49:15 +0000
> On Fri, 2013-01-25 at 13:31 -0500, Valdis Kletnieks wrote: > [...] >> it's a zero-hit thing for people who don't choose to configure >> it into their kernel. > [...] > > People with high-overhead changes always say this, but before long > distributions will be expected to enable it and then everyone pays the > price. So I think you'll have to work on limiting the run-time overhead > when it's enabled at compile time but the user doesn't care about it. > Possibly it can be a run-time option? (I haven't looked at the code and > don't expect to have time to do so.) +1 The run time overhead must be zero when the feature is configured into the kernel, and this requirement is non-negotiable. -- 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/
