From: Daniel Phillips <phillips@phunq.net>
To: Chris Mason <chris.mason@oracle.com>
Cc: Avi Kivity <avi@redhat.com>, linux-btrfs@vger.kernel.org
Subject: Re: packing structures and numbers
Date: Fri, 3 Oct 2008 17:35:41 -0700 [thread overview]
Message-ID: <200810031735.41588.phillips@phunq.net> (raw)
In-Reply-To: <20081004002856.GA8449@think.oraclecorp.com>
On Friday 03 October 2008 17:28, Chris Mason wrote:
> On Fri, Oct 03, 2008 at 05:22:51PM -0700, Daniel Phillips wrote:
> > And what about bitfields, does GCC pack them to the same size on all
> > arches in this case or take the easy way out as permitted by the
> > standard?
>
> I'm not sure, I believe a bit field on a strictly defined size will be
> packed the same everywhere. But bitfields + endian conversion are messy,
> so I avoid them.
Likewise, sigh. On the other hand, packed + endian can't really be
avoided.
Regards,
Daniel
next prev parent reply other threads:[~2008-10-04 0:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-03 11:42 packing structures and numbers Avi Kivity
2008-10-03 12:22 ` Chris Mason
2008-10-03 13:40 ` Avi Kivity
2008-10-04 0:22 ` Daniel Phillips
2008-10-04 0:28 ` Chris Mason
2008-10-04 0:35 ` Daniel Phillips [this message]
2008-10-04 0:43 ` Daniel Phillips
2008-10-04 8:27 ` Avi Kivity
2008-10-03 18:37 ` Zach Brown
2008-10-04 8:31 ` Avi Kivity
2008-10-04 16:34 ` Andi Kleen
2008-10-05 5:31 ` Avi Kivity
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