From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Tue, 14 Oct 2003 16:58:14 +0000 Subject: Re: [PATCH_TAKE_2] now < last_tick problem Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Tue, 14 Oct 2003 15:53:15 +1000, Ian Wienand said: Ian> On Mon, Oct 13, 2003 at 10:23:39PM -0700, David Mosberger Ian> wrote: >> consistency-check. May want to add a comment about that, though. Ian> A few messages up I added something like Ian> + * Return the number of nano-seconds that elapsed since the Ian> last + * update to jiffy. It is quite possible that the timer Ian> interrupt + * will interrupt this and result in a race for any Ian> of jiffies, + * wall_jiffies or itm_next. Thus, the xtime_lock Ian> must be at least + * read-locked when calling this routine. Ian> although read-locked should probably be 'read synchronised' or Ian> something to avoid confusion. Sounds fine to me. Do you want to send me a complete patch so you'll get the proper credit? Thanks, --david