linux-kernel - Re: [PATCH 2/4 -v5] x86_64 EFI runtime service support: EFI runtime services

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Date:	Wed, 31 Oct 2007 08:47:47 +0800
From:	"Huang, Ying" <ying.huang@...el.com>
To:	Denys Vlasenko <vda.linux@...glemail.com>
Cc:	akpm@...ux-foundation.org, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Andi Kleen <ak@...e.de>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Chandramouli Narayanan <mouli@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4 -v5] x86_64 EFI runtime service support: EFI
	runtime services

On Tue, 2007-10-30 at 15:58 +0000, Denys Vlasenko wrote:
> On Tuesday 30 October 2007 05:55, Huang, Ying wrote:
> > +static inline unsigned long native_get_wallclock(void)
> > +{
> > +	unsigned long retval;
> > +
> > +	if (efi_enabled)
> > +		retval = efi_get_time();
> > +	else
> > +		retval = mach_get_cmos_time();
> > +
> > +	return retval;
> > +}
> 
> mach_get_cmos_time() is itself an inline, and a _large_ one
> (~20 LOC with macro and function calls).
> 
> efi_get_time() is an inline too, although strange one:
> it is declared inline *only* in efi.c file:
>       inline unsigned long efi_get_time(void)
> (yes, just inline, not static/extern),
> while efi.h has normal extern for it:
>       extern unsigned long efi_get_time(void);
> 
> Is it supposed to be like that?

efi_get_time is no longer inline in this patch. See efi.c of this patch.

Best Regards,
Huang Ying
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