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[PATCH v4 01/14] xen/pci: gate APEI support on ARM

APEI not supported on ARM yet move the code under CONFIG_X86 flag to
gate the code for ARM.

This patch is the preparatory work to enable HAS_PCI on ARM to avoid
compilation error on ARM.

prelink.o: In function `pcie_aer_get_firmware_first’:
drivers/passthrough/pci.c:1251: undefined reference to `apei_hest_parse'

Signed-off-by: Rahul Singh <rahul.singh@xxxxxxx>
Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
Chane in v4:
- Modify commit message based on received comment.
- Added Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
- Added Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
Change in v3: Added Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Change in v2: Add in code comment "APEI not supported on ARM yet"
 xen/drivers/passthrough/pci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xen/drivers/passthrough/pci.c b/xen/drivers/passthrough/pci.c
index 5456ca3a63..e1b735d9e8 100644
--- a/xen/drivers/passthrough/pci.c
+++ b/xen/drivers/passthrough/pci.c
@@ -1149,7 +1149,8 @@ void __hwdom_init setup_hwdom_pci_devices(
+/* APEI not supported on ARM yet. */
+#if defined(CONFIG_ACPI) && defined(CONFIG_X86)
 #include <acpi/acpi.h>
 #include <acpi/apei.h>



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