linux-kernel - [PATCH 1/1] fix a compiling error caused by dmar

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Message-ID: <CAEk7JKZMuOEX_cAaHcbExzjLWPtO==B4mmwcjTsh-ppGQpJDcw@mail.gmail.com>
Date:	Thu, 16 Aug 2012 16:45:49 +0800
From:	"Li, Zhen-Hua" <lizhenhua.dev@...il.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/1] fix a compiling error caused by dmar_disabled

Fix a compiling error caused by dmar_disabled.

When CONFIG_INTEL_IOMMU is not defined, dmar_disabled is define as 1,
and the codes like "dmar_disabled = 1;" may cause compiling error.

-------

Signed-off-by: Li, Zhen-Hua <lizhenhua.dev@...il.com>

diff -urp a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
--- a/drivers/iommu/intel-iommu.c	2012-07-22 04:58:29.000000000 +0800
+++ b/drivers/iommu/intel-iommu.c	2012-08-15 16:05:56.000000000 +0800
@@ -425,7 +425,7 @@ static long list_size;

 static void domain_remove_dev_info(struct dmar_domain *domain);

-#ifdef CONFIG_INTEL_IOMMU_DEFAULT_ON
+#if defined(CONFIG_INTEL_IOMMU_DEFAULT_ON) && defined(CONFIG_INTEL_IOMMU)
 int dmar_disabled = 0;
 #else
 int dmar_disabled = 1;
diff -urp a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
--- a/include/linux/dma_remapping.h	2012-07-22 04:58:29.000000000 +0800
+++ b/include/linux/dma_remapping.h	2012-08-15 16:05:59.000000000 +0800
@@ -44,7 +44,6 @@ static inline int iommu_calculate_max_sa
 static inline void free_dmar_iommu(struct intel_iommu *iommu)
 {
 }
-#define dmar_disabled	(1)
 #define intel_iommu_enabled (0)
 #endif
--
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