[PATCH 5/5] xen: don't include <xen/xen.h> from <asm/io.h> and <asm/dma-mapping.h>

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Nothing Xen specific in these headers, which get included from a lot
of code in the kernel.  So prune the includes and move them to the
Xen-specific files that actually use them instead.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 arch/arm/include/asm/io.h          | 1 -
 arch/arm64/include/asm/io.h        | 2 --
 arch/x86/include/asm/io.h          | 4 ----
 arch/x86/include/asm/xen/events.h  | 2 ++
 arch/x86/xen/enlighten.c           | 1 +
 arch/x86/xen/enlighten_pvh.c       | 1 +
 arch/x86/xen/platform-pci-unplug.c | 1 +
 arch/x86/xen/pmu.c                 | 1 +
 drivers/xen/xen-acpi-pad.c         | 1 +
 9 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 6ae7674da0d6..6b51826ab3d1 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -28,7 +28,6 @@
 #include <asm/byteorder.h>
 #include <asm/memory.h>
 #include <asm-generic/pci_iomap.h>
-#include <xen/xen.h>
 
 /*
  * ISA I/O bus memory addresses are 1:1 with the physical address.
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index 18f6ae6a43f1..9f8b915af3a7 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -31,8 +31,6 @@
 #include <asm/alternative.h>
 #include <asm/cpufeature.h>
 
-#include <xen/xen.h>
-
 /*
  * Generic IO read/write.  These perform native-endian accesses.
  */
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 232d8e9ee8a0..9a92a3ac2ac5 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -369,10 +369,6 @@ extern void __iomem *ioremap_wt(resource_size_t offset, unsigned long size);
 
 extern bool is_early_ioremap_ptep(pte_t *ptep);
 
-#ifdef CONFIG_XEN
-#include <xen/xen.h>
-#endif	/* CONFIG_XEN */
-
 #define IO_SPACE_LIMIT 0xffff
 
 #include <asm-generic/io.h>
diff --git a/arch/x86/include/asm/xen/events.h b/arch/x86/include/asm/xen/events.h
index d383140e1dc8..068d9b067c83 100644
--- a/arch/x86/include/asm/xen/events.h
+++ b/arch/x86/include/asm/xen/events.h
@@ -2,6 +2,8 @@
 #ifndef _ASM_X86_XEN_EVENTS_H
 #define _ASM_X86_XEN_EVENTS_H
 
+#include <xen/xen.h>
+
 enum ipi_vector {
 	XEN_RESCHEDULE_VECTOR,
 	XEN_CALL_FUNCTION_VECTOR,
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 2eeddd814653..0ca46e03b830 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -5,6 +5,7 @@
 #include <linux/kexec.h>
 #include <linux/slab.h>
 
+#include <xen/xen.h>
 #include <xen/features.h>
 #include <xen/page.h>
 #include <xen/interface/memory.h>
diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c
index c85d1a88f476..2a9025343534 100644
--- a/arch/x86/xen/enlighten_pvh.c
+++ b/arch/x86/xen/enlighten_pvh.c
@@ -11,6 +11,7 @@
 #include <asm/xen/interface.h>
 #include <asm/xen/hypercall.h>
 
+#include <xen/xen.h>
 #include <xen/interface/memory.h>
 #include <xen/interface/hvm/start_info.h>
 
diff --git a/arch/x86/xen/platform-pci-unplug.c b/arch/x86/xen/platform-pci-unplug.c
index 33a783c77d96..b99585034dd2 100644
--- a/arch/x86/xen/platform-pci-unplug.c
+++ b/arch/x86/xen/platform-pci-unplug.c
@@ -23,6 +23,7 @@
 #include <linux/io.h>
 #include <linux/export.h>
 
+#include <xen/xen.h>
 #include <xen/platform_pci.h>
 #include "xen-ops.h"
 
diff --git a/arch/x86/xen/pmu.c b/arch/x86/xen/pmu.c
index 7d00d4ad44d4..5f7d530fc679 100644
--- a/arch/x86/xen/pmu.c
+++ b/arch/x86/xen/pmu.c
@@ -3,6 +3,7 @@
 #include <linux/interrupt.h>
 
 #include <asm/xen/hypercall.h>
+#include <xen/xen.h>
 #include <xen/page.h>
 #include <xen/interface/xen.h>
 #include <xen/interface/vcpu.h>
diff --git a/drivers/xen/xen-acpi-pad.c b/drivers/xen/xen-acpi-pad.c
index 23d1808fe027..e25ab76b9c99 100644
--- a/drivers/xen/xen-acpi-pad.c
+++ b/drivers/xen/xen-acpi-pad.c
@@ -19,6 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/acpi.h>
+#include <xen/xen.h>
 #include <xen/interface/version.h>
 #include <xen/xen-ops.h>
 #include <asm/xen/hypercall.h>
-- 
2.19.0




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