Re: [PATCH] ia64: disable preemption in udelay()

From: John Hawkes <>
Date: 2005-12-17 05:39:34
From: "Luck, Tony" <>
> A good question ... I'm going to put John's change in as-is for now so
> that 2.6.15 can benefit from the reduced code size of the out-of-line
> and avoid the ugly bug when preemption is enabled on a drifty system.

Okay, but I'll propose some changes to that soon, probably using Robin Holt's
suggestions.  I'm concerned about the impact of interrupts outside of the
inner loop and inside the outer loop, which would increase the effective delay

John Hawkes

To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to
More majordomo info at
Received on Sat Dec 17 05:41:59 2005

This archive was generated by hypermail 2.1.8 : 2005-12-17 05:42:06 EST