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Message-ID: <20131106180241.GB4524@mudshark.cambridge.arm.com>
Date: Wed, 6 Nov 2013 18:02:41 +0000
From: Will Deacon <will.deacon@....com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: Jiang Liu <liuj97@...il.com>,
Catalin Marinas <Catalin.Marinas@....com>,
Sandeepa Prabhu <sandeepa.prabhu@...aro.org>,
Jiang Liu <jiang.liu@...wei.com>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 4/7] arm64: introduce
aarch64_insn_gen_{nop|branch_imm}() helper functions
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@....com> 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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