Ravikiran G Thirumalai e729aa16b1 Pad irq_desc to internode cacheline size ... We noticed a drop in n/w performance due to the irq_desc being cacheline aligned rather than internode aligned. We see 50% of expected performance when two e1000 nics local to two different nodes have consecutive irq descriptors allocated, due to false sharing. Note that this patch does away with cacheline padding for the UP case, as it does not seem useful for UP configurations. Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org> Signed-off-by: Shai Fultheim <shai@scalex86.org> Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2007-05-08 11:15:09 -07:00
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autoprobe.c	[PATCH] genirq: add handle_bad_irq()	2006-06-29 10:26:24 -07:00
chip.c	MSI: arch must connect the irq and the msi_desc	2007-05-02 19:02:38 -07:00
devres.c	[PATCH] irq-devres: fix failure path of devm_request_irq()	2007-04-07 10:05:21 -07:00
handle.c	Pad irq_desc to internode cacheline size	2007-05-08 11:15:09 -07:00
internals.h	[PATCH] genirq: more verbose debugging on unexpected IRQ vectors	2006-06-29 10:26:25 -07:00
Makefile	[PATCH] sort the devres mess out	2007-02-11 11:18:07 -08:00
manage.c	IRQ: check for PERCPU flag only when adding first irqaction	2007-05-08 11:15:06 -07:00
migration.c	[PATCH] genirq: Mask irqs when migrating them.	2007-02-26 10:34:08 -08:00
proc.c	kernel/irq/proc.c: unprotected iteration over the IRQ action list in name_unique()	2007-05-08 11:15:05 -07:00
resend.c	[PATCH] ixp4xxdefconfig arm fixes	2006-10-06 12:11:08 -07:00
spurious.c	[PATCH] x86-64: Make noirqdebug_setup function non init to fix modpost warning	2007-01-11 01:52:44 +01:00