On Jul 23, 2015 10:08 AM, "Peter Zijlstra" <pet...@infradead.org> wrote:
>
> On Thu, Jul 23, 2015 at 11:34:50AM -0400, Steven Rostedt wrote:
> > On Thu, 23 Jul 2015 12:42:15 +0200
> > Peter Zijlstra <pet...@infradead.org> wrote:
> >
> > > static __always_inline bool arch_static_branch_jump(struct static_key
> > > *key, bool inv)
> > > {
> > > if (!inv) {
> > > asm_volatile_goto("1:"
> > > "jmp %l[l_yes]\n\t"
> >
> > And what happens when this gets converted to a two byte jump?
> >
>
> That would be bad, how can we force it to emit 5 bytes?
jmp.d32 on newer toolchains IIRC.
--Andy
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
