linux-kernel - [tip:x86/apic] iommu/vt-d: Convert allocations to GFP

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Message-ID: <tip-326c2bb2c526a203ad01a1c05662278d12e81b04@git.kernel.org>
Date:	Fri, 5 Dec 2014 15:26:39 -0800
From:	tip-bot for Thomas Gleixner <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, bp@...en8.de, joro@...tes.org,
	mingo@...nel.org, tglx@...utronix.de, hpa@...or.com,
	jiang.liu@...ux.intel.com
Subject: [tip:x86/apic] iommu/vt-d: Convert allocations to GFP_KERNEL

Commit-ID:  326c2bb2c526a203ad01a1c05662278d12e81b04
Gitweb:     http://git.kernel.org/tip/326c2bb2c526a203ad01a1c05662278d12e81b04
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Fri, 5 Dec 2014 08:48:36 +0000
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sat, 6 Dec 2014 00:19:25 +0100

iommu/vt-d: Convert allocations to GFP_KERNEL

No reason anymore to do GFP_ATOMIC allocations which are not harmful
in the normal bootup case, but matter in the physical hotplug
scenario.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Tested-by: Borislav Petkov <bp@...en8.de>
Acked-by: Joerg Roedel <joro@...tes.org>
Cc: Jiang Liu <jiang.liu@...ux.intel.com>
Cc: x86@...nel.org
Link: http://lkml.kernel.org/r/20141205084147.472428339@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 drivers/iommu/intel_irq_remapping.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index a17e411..ff35b03 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -406,11 +406,11 @@ static int intel_setup_irq_remapping(struct intel_iommu *iommu)
 	if (iommu->ir_table)
 		return 0;
 
-	ir_table = kzalloc(sizeof(struct ir_table), GFP_ATOMIC);
+	ir_table = kzalloc(sizeof(struct ir_table), GFP_KERNEL);
 	if (!ir_table)
 		return -ENOMEM;
 
-	pages = alloc_pages_node(iommu->node, GFP_ATOMIC | __GFP_ZERO,
+	pages = alloc_pages_node(iommu->node, GFP_KERNEL | __GFP_ZERO,
 				 INTR_REMAP_PAGE_ORDER);
 	if (!pages) {
 		pr_err("IR%d: failed to allocate pages of order %d\n",
--
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