On Wed, 2013-10-02 at 11:11 +0200, Alexander Graf wrote: > Right, and the difference for the patch in question is really whether > we handle in in kernel virtual mode or in QEMU, so the bulk of the > overhead (kicking threads out of guest context, switching MMU > context, etc) happens either way. > > So the additional overhead when handling it in QEMU here really boils > down to the user space roundtrip (plus another random number read > roundtrip).
Hrm, Michael had a real mode version ... not sure where it went then. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
