On Wed, Oct 22, 2014 at 10:26:25AM +0200, Heiko Carstens wrote:
> > I can confirm that kGraft works well on top of current mainline with
> > this patch added.
> >
> > Another reason for a performance impact when kGraft is enabled is that
> > kGraft still adds two instructions to the syscall path
On Tue, Oct 21, 2014 at 09:58:31PM +0200, Vojtech Pavlik wrote:
> Hello Heiko,
>
> I can confirm that kGraft works well on top of current mainline with
> this patch added.
>
> Another reason for a performance impact when kGraft is enabled is that
> kGraft still adds two instructions to the syscal
Hello Heiko,
I can confirm that kGraft works well on top of current mainline with
this patch added.
Another reason for a performance impact when kGraft is enabled is that
kGraft still adds two instructions to the syscall path on s390x, as
there is no space left for a kgraft TIF in the first eight
v3:
Changed patch 1/2 to incorporate feedback from Steven Rostedt and
Masami Hiramatsu: rename helper function check_ftrace_location()
to arch_check_ftrace_location() and convert it to a weak function,
so architectures can override it without the need for new config
option.
v2:
Changed patch 1/2 t
4 matches
Mail list logo