From: "Jonathan (Zhixiong) Zhang" <zjzh...@codeaurora.org>
This defintion is used in ACPI code when needing to map page
as uncached.
Signed-off-by: Jonathan (Zhixiong) Zhang <zjzh...@codeaurora.org>
---
arch/arm64/include/asm/acpi.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h
index 59c05d8ea4a0..518b91dc5acd 100644
--- a/arch/arm64/include/asm/acpi.h
+++ b/arch/arm64/include/asm/acpi.h
@@ -93,4 +93,8 @@ static inline bool acpi_psci_use_hvc(void) { return false; }
static inline void acpi_init_cpus(void) { }
#endif /* CONFIG_ACPI */
+#ifdef CONFIG_ACPI_APEI
+#define ARCH_APEI_PAGE_KERNEL_UC (PROT_DEVICE_nGnRE)
+#endif /*CONFIG_ACPI_APEI */
+
#endif /*_ASM_ACPI_H*/
--
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