linux-kernel - [PATCH] Fix section warnings

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Date:	Thu, 15 Mar 2012 12:16:28 +0100
From:	Steffen Persvold <sp@...ascale.com>
To:	linux-kernel@...r.kernel.org
Cc:	x86@...nel.org, Ingo Molnar <mingo@...e.hu>,
	Steffen Persvold <sp@...ascale.com>
Subject: [PATCH] Fix section warnings

Fix the following section warnings :

WARNING: vmlinux.o(.text+0x49dbc): Section mismatch in reference from the function acpi_map_cpu2node() to the variable .cpuinit.data:__apicid_to_node
The function acpi_map_cpu2node() references
the variable __cpuinitdata __apicid_to_node.
This is often because acpi_map_cpu2node lacks a __cpuinitdata 
annotation or the annotation of __apicid_to_node is wrong.

WARNING: vmlinux.o(.text+0x49dc1): Section mismatch in reference from the function acpi_map_cpu2node() to the function .cpuinit.text:numa_set_node()
The function acpi_map_cpu2node() references
the function __cpuinit numa_set_node().
This is often because acpi_map_cpu2node lacks a __cpuinit 
annotation or the annotation of numa_set_node is wrong.

WARNING: vmlinux.o(.text+0x526e77): Section mismatch in reference from the function prealloc_protection_domains() to the function .init.text:alloc_passthrough_domain()
The function prealloc_protection_domains() references
the function __init alloc_passthrough_domain().
This is often because prealloc_protection_domains lacks a __init 
annotation or the annotation of alloc_passthrough_domain is wrong.

Signed-off-by: Steffen Persvold <sp@...ascale.com>

---
 arch/x86/kernel/acpi/boot.c |    2 +-
 drivers/iommu/amd_iommu.c   |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index ce664f3..406ed77 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -593,7 +593,7 @@ void __init acpi_set_irq_model_ioapic(void)
 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 #include <acpi/processor.h>

-static void acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
+static void __cpuinitdata acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
 {
 #ifdef CONFIG_ACPI_NUMA
 	int nid;
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index f75e060..ae2ec92 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2804,7 +2804,7 @@ static int amd_iommu_dma_supported(struct device *dev, u64 mask)
  * we don't need to preallocate the protection domains anymore.
  * For now we have to.
  */
-static void prealloc_protection_domains(void)
+static void __init prealloc_protection_domains(void)
 {
 	struct iommu_dev_data *dev_data;
 	struct dma_ops_domain *dma_dom;
-- 
1.7.4.1

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