[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20080602164840.0dc9cb96@core>
Date: Mon, 2 Jun 2008 16:48:40 +0100
From: Alan Cox <alan@...rguk.ukuu.org.uk>
To: Rodolfo Giometti <giometti@...eenne.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org
Subject: Re: LinuxPPS low-level IRQs timestamps & ldisc
> I prefere avoid the if clause for getnstimeofday() since each
> instruction delay may decrease time precision, so:
Why should everyone else pay the cost of the getnstimeofday they don't
need ?
The single conditional check at the start won't make the slightest
material difference to your accuracy.
Alan
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists