linux-kernel - Re: [PATCH 2/8] SFI: include/linux/sfi.h

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Message-ID: <20090630215931.GA1241@elte.hu>
Date:	Tue, 30 Jun 2009 23:59:31 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	lenb@...nel.org, sfi-devel@...plefirmware.org,
	linux-kernel@...r.kernel.org, feng.tang@...el.com,
	len.brown@...el.com
Subject: Re: [PATCH 2/8] SFI: include/linux/sfi.h


* Andrew Morton <akpm@...ux-foundation.org> wrote:

> On Tue, 23 Jun 2009 09:28:11 +0200
> Ingo Molnar <mingo@...e.hu> wrote:
> 
> > > +/*
> > > + * Table structures must be byte-packed to match the SFI specification,
> > > + * as they are provided by the BIOS.
> > > + */
> > > +#pragma pack(1)
> > 
> > We use __attribute__((packed)) for that generally.
> 
> Or __packed.  I usually recommend __packed because I can never 
> remember the weird arrangement of underscores and parentheses in 
> the gcc thing.

Agreed - it's also shorter and more in line with stuff like 
__read_mostly, etc.

	Ingo
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