Re: [PATCH v5 4/7] arm64: introduceaarch64_insn_gen_{nop|branch_imm}() helper functions

From: Will Deacon
Date: Wed Nov 06 2013 - 13:03:55 EST


On Wed, Nov 06, 2013 at 04:45:30PM +0000, Steven Rostedt wrote:
> On Wed, 30 Oct 2013 00:48:40 +0000
> Will Deacon <will.deacon@xxxxxxx> wrote:
>
>
> > > +}
> > > +
> > > +static __always_inline u32 aarch64_insn_gen_nop(void)
> > > +{
> > > + return aarch64_insn_gen_hint(AARCH64_INSN_HINT_NOP);
> > > +}
> >
> > Either use plain old `inline' or write these as preprocessor macros.
> >
>
> I'm curious to why you say that? Preprocessor macros are rather ugly,
> and in x86 we use "__always_inline" quite liberally.

I can understand why you might use __always_inline over the preprocessor
when you *really* need something inlined, but in this case I don't see why
`inline' isn't sufficient. It's just a cosmetic issue, really.

Will
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