Re: [PATCH_TAKE_2] now < last_tick problem

From: Ian Wienand <ianw_at_gelato.unsw.edu.au>
Date: 2003-10-14 15:53:15
On Mon, Oct 13, 2003 at 10:23:39PM -0700, David Mosberger wrote:
> consistency-check.  May want to add a comment about that, though.

A few messages up I added something like 

+ * Return the number of nano-seconds that elapsed since the last
+ * update to jiffy.  It is quite possible that the timer interrupt
+ * will interrupt this and result in a race for any of jiffies,
+ * wall_jiffies or itm_next.  Thus, the xtime_lock must be at least
+ * read-locked when calling this routine.

although read-locked should probably be 'read synchronised' or
something to avoid confusion.

-i
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Received on Tue Oct 14 01:55:55 2003

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