Messages in this thread | | | Date | Mon, 11 Feb 2013 07:40:10 -0800 | From | Terje Bergström <> | Subject | Re: [PATCHv5,RESEND 8/8] drm: tegra: Add gr2d device |
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On 10.02.2013 22:44, Thierry Reding wrote: > On Sun, Feb 10, 2013 at 04:42:53PM -0800, Terje Bergström wrote: >> You're right about performance. We already saw quite a bad performance >> hit with the current firewall, so we'll need to worry about performance >> later. > > I guess the additional overhead of looking up in a table vs. an actual > function being run will be rather small compared to the total overhead > incurred by having the firewall in the first place.
Yeah, I'll just implement a simple linear table lookup and let's see what happens. I'll optimize with bitfield if needed.
Terje -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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