Andi Kleen wrote: > "Maciej W. Rozycki" <[EMAIL PROTECTED]> writes: > >> Linux performs reads to all registers written including this one >> deliberately using an RMW cycle to avoid triggering an erratum in some >> early Pentium integrated APICs. Obviously it does not matter for most of >> the world as the workaround is build-time conditional, but you'll get it >> if you build a generic "runs everywhere" kernel. >> > > It would be quite possible to make the cycle conditional on a > cpufeatures.h quirk flag that is only set on P5. Just would need to > out of line a few functions to avoid code bloat. >
Or, alternatives? xchg vs mov? -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
