On Mer, 2003-08-13 at 18:15, Ian Romanick wrote: > > > > Are you actually using the gamma driver? :) Something like this might be > > useful in other drivers as well? > > What exactly *is* cpu_relax? Is it available on older kernels as well? > I'm not sure how useful it would be because I don't think many (any?) > of the other drivers busy-wait inside the kernel. It would be worth > checking, though.
Its been around quite some time. cpu_relax() is an architecture dependant function for executing when we are not making progress. In the x86 case it comes out as "rep nop" which mostly tells hyperthreading CPU's that now is a good time to give the other CPU threads a go ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01/01 _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
