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Diffstat (limited to 'arch/x86/include/asm/trap_pf.h')
-rw-r--r--arch/x86/include/asm/trap_pf.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/trap_pf.h b/arch/x86/include/asm/trap_pf.h
index 305bc1214aef..10b1de500ab1 100644
--- a/arch/x86/include/asm/trap_pf.h
+++ b/arch/x86/include/asm/trap_pf.h
@@ -11,6 +11,7 @@
* bit 3 == 1: use of reserved bit detected
* bit 4 == 1: fault was an instruction fetch
* bit 5 == 1: protection keys block access
+ * bit 15 == 1: SGX MMU page-fault
*/
enum x86_pf_error_code {
X86_PF_PROT = 1 << 0,
@@ -19,6 +20,7 @@ enum x86_pf_error_code {
X86_PF_RSVD = 1 << 3,
X86_PF_INSTR = 1 << 4,
X86_PF_PK = 1 << 5,
+ X86_PF_SGX = 1 << 15,
};
#endif /* _ASM_X86_TRAP_PF_H */