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-rw-r--r--arch/x86/include/asm/processor.h8
-rw-r--r--arch/x86/include/asm/set_memory.h4
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 355d38c0cf60..2c5f12ae7d04 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -855,4 +855,12 @@ enum mds_mitigations {
MDS_MITIGATION_VMWERV,
};
+#ifdef CONFIG_X86_SGX
+int arch_memory_failure(unsigned long pfn, int flags);
+#define arch_memory_failure arch_memory_failure
+
+bool arch_is_platform_page(u64 paddr);
+#define arch_is_platform_page arch_is_platform_page
+#endif
+
#endif /* _ASM_X86_PROCESSOR_H */
diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h
index 872617542bbc..ff0f2d90338a 100644
--- a/arch/x86/include/asm/set_memory.h
+++ b/arch/x86/include/asm/set_memory.h
@@ -2,6 +2,7 @@
#ifndef _ASM_X86_SET_MEMORY_H
#define _ASM_X86_SET_MEMORY_H
+#include <linux/mm.h>
#include <asm/page.h>
#include <asm-generic/set_memory.h>
@@ -99,6 +100,9 @@ static inline int set_mce_nospec(unsigned long pfn, bool unmap)
unsigned long decoy_addr;
int rc;
+ /* SGX pages are not in the 1:1 map */
+ if (arch_is_platform_page(pfn << PAGE_SHIFT))
+ return 0;
/*
* We would like to just call:
* set_memory_XX((unsigned long)pfn_to_kaddr(pfn), 1);