linux-kernel - [tip:irq/core] irq: Make sure irq_desc for legacy irq get correct node setting

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Message-ID: <tip-372e24b0cb764ec55b4cf3408a95ae40a29e5b96@git.kernel.org>
Date:	Sat, 29 Aug 2009 13:58:32 GMT
From:	tip-bot for Yinghai Lu <yinghai@...nel.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	yinghai@...nel.org, jbarnes@...tuousgeek.org,
	akpm@...ux-foundation.org, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:irq/core] irq: Make sure irq_desc for legacy irq get correct node setting

Commit-ID:  372e24b0cb764ec55b4cf3408a95ae40a29e5b96
Gitweb:     http://git.kernel.org/tip/372e24b0cb764ec55b4cf3408a95ae40a29e5b96
Author:     Yinghai Lu <yinghai@...nel.org>
AuthorDate: Wed, 26 Aug 2009 16:20:13 -0700
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Sat, 29 Aug 2009 15:53:00 +0200

irq: Make sure irq_desc for legacy irq get correct node setting

when there is no ram on node 0.

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Jesse Barnes <jbarnes@...tuousgeek.org>
LKML-Reference: <4A95C32D.5040605@...nel.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 kernel/irq/handle.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 065205b..a81cf80 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -161,7 +161,7 @@ int __init early_irq_init(void)
 
 	desc = irq_desc_legacy;
 	legacy_count = ARRAY_SIZE(irq_desc_legacy);
- 	node = first_online_node;
+	node = first_online_node;
 
 	/* allocate irq_desc_ptrs array based on nr_irqs */
 	irq_desc_ptrs = kcalloc(nr_irqs, sizeof(void *), GFP_NOWAIT);
@@ -172,6 +172,9 @@ int __init early_irq_init(void)
 
 	for (i = 0; i < legacy_count; i++) {
 		desc[i].irq = i;
+#ifdef CONFIG_SMP
+		desc[i].node = node;
+#endif
 		desc[i].kstat_irqs = kstat_irqs_legacy + i * nr_cpu_ids;
 		lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);
 		alloc_desc_masks(&desc[i], node, true);
--
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