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Subject[PATCH] x86/PCI: Fix compile errors when CONFIG_PCI is disabled
arch/x86/include/asm/pci_x86.h uses a number of data -types and defines
without including the headers which define these.

Instead so far it has been relying on files including it including the
necessary headers first.

Recently a include <asm/pci_x86.h> was added to arch/x86/kernel/resource.c
which does not include the necessary headers first.

Add the missing includes to arch/x86/include/asm/pci_x86.h to fix the
compile errors (with certain .config-s) when it is included from

Fixes: f10507a66e36 ("x86/PCI: Ignore E820 reservations for bridge windows on newer systems")
Reported-by: kernel test robot <>
Signed-off-by: Hans de Goede <>
arch/x86/include/asm/pci_x86.h | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index 0bb4e7dd0ffc..c5413d8007ed 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -5,7 +5,10 @@
* (c) 1999 Martin Mares <>

+#include <linux/errno.h>
+#include <linux/init.h>
#include <linux/ioport.h>
+#include <linux/spinlock.h>

#undef DEBUG

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