On Tue, 2009-09-22 at 16:32 +0200, Ingo Molnar wrote: > * Avi Kivity <avi@xxxxxxxxxx> wrote: > > > On 09/19/2009 09:40 AM, Avi Kivity wrote: > >> Add a general per-cpu notifier that is called whenever the kernel is > >> about to return to userspace. The notifier uses a thread_info flag > >> and existing checks, so there is no impact on user return or context > >> switch fast paths. > >> > > > > Ingo/Peter? > > Would be nice to convert some existing open-coded return-to-user-space > logic to this facility. One such candidate would be lockdep_sys_exit? And here I was thinking this was one of the hottest code paths in the whole kernel... -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
