linux-kernel - [PATCH 2/5] iommu/vt-d: Don't check for ecap_ir_support in intel_irq_remapping

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Message-Id: <1418656404-28575-3-git-send-email-joro@8bytes.org>
Date:	Mon, 15 Dec 2014 16:13:21 +0100
From:	Joerg Roedel <joro@...tes.org>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, hpa@...or.com, x86@...nel.org,
	Joerg Roedel <joro@...tes.org>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Borislav Petkov <bp@...en8.de>
Cc:	linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
	Joerg Roedel <jroedel@...e.de>
Subject: [PATCH 2/5] iommu/vt-d: Don't check for ecap_ir_support in intel_irq_remapping_supported

From: Joerg Roedel <jroedel@...e.de>

This check needs an initialized dmar-table and is already
done in intel_prepare_irq_remapping().

Signed-off-by: Joerg Roedel <jroedel@...e.de>
---
 drivers/iommu/intel_irq_remapping.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 3ef63b8..45223ea 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -512,9 +512,6 @@ static int __init dmar_x2apic_optout(void)
 
 static int __init intel_irq_remapping_supported(void)
 {
-	struct dmar_drhd_unit *drhd;
-	struct intel_iommu *iommu;
-
 	if (disable_irq_remap)
 		return 0;
 	if (irq_remap_broken) {
@@ -532,10 +529,6 @@ static int __init intel_irq_remapping_supported(void)
 	if (!dmar_ir_support())
 		return 0;
 
-	for_each_iommu(iommu, drhd)
-		if (!ecap_ir_support(iommu->ecap))
-			return 0;
-
 	return 1;
 }
 
-- 
1.9.1

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