Glauber Costa wrote: > >>> [EMAIL PROTECTED] linux-2.6 (master)]$ git grep down_read.*slots_lock >>> arch/x86/kvm/ | wc -l >>> 16 >> >> We take the lock for read 16 times, could be narrowed down to >> probably once (with a drop and re-take around guest mode). > > Since it will be written to so rarely, that's probably fine. > >
Moreover, the time setting up guest entry and handling exits is bounded and usually short. [We need to drop the lock when emulating hlt, too, for this to hold] -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel