Commit 79c83bd1 authored Jan 24, 2006 by Jack Steiner Committed by Tony Luck Jan 24, 2006

[IA64] Scaling fix for simultaneous unaligned accesses



Eliminate a hot shared cacheline that occurs if multiple cpus are
taking unaligned exceptions.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

parent dc641613

arch/ia64/kernel/unaligned.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1283,8 +1283,9 @@ within_logging_rate_limit (void)

		if (jiffies - last_time > 5*HZ)
		count = 0;
		if (++count < 5) {
		if (count < 5) {
		last_time = jiffies;
		count++;
		return 1;
		}
		return 0;

Admin message