linux-kernel - [PATCH 5.9 156/252] iommu/vt-d: Move intel_iommu_gfx

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Message-Id: <20201123121843.121692548@linuxfoundation.org>
Date:   Mon, 23 Nov 2020 13:21:46 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Joerg Roedel <jroedel@...e.de>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.9 156/252] iommu/vt-d: Move intel_iommu_gfx_mapped to Intel IOMMU header

From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

[ Upstream commit c7eb900f5f45eeab1ea1bed997a2a12d8b5907bc ]

Static analyzer is not happy about intel_iommu_gfx_mapped declaration:

.../drivers/iommu/intel/iommu.c:364:5: warning: symbol 'intel_iommu_gfx_mapped' was not declared. Should it be static?

Move its declaration to Intel IOMMU header file.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Reviewed-by: Lu Baolu <baolu.lu@...ux.intel.com>
Link: https://lore.kernel.org/r/20200828161212.71294-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@...e.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/drm/intel-gtt.h     | 5 +----
 include/linux/intel-iommu.h | 1 +
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h
index 71d81923e6b06..abfefaaf897a0 100644
--- a/include/drm/intel-gtt.h
+++ b/include/drm/intel-gtt.h
@@ -5,6 +5,7 @@
 #define	_DRM_INTEL_GTT_H
 
 #include <linux/agp_backend.h>
+#include <linux/intel-iommu.h>
 #include <linux/kernel.h>
 
 void intel_gtt_get(u64 *gtt_total,
@@ -33,8 +34,4 @@ void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
 /* flag for GFDT type */
 #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
 
-#ifdef CONFIG_INTEL_IOMMU
-extern int intel_iommu_gfx_mapped;
-#endif
-
 #endif
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index b1ed2f25f7c0d..6a3ddaabf3f50 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -792,6 +792,7 @@ extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
 extern int dmar_disabled;
 extern int intel_iommu_enabled;
 extern int intel_iommu_tboot_noforce;
+extern int intel_iommu_gfx_mapped;
 #else
 static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
 {
-- 
2.27.0