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-rw-r--r--arch/x86/machine/cpu.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/machine/cpu.h b/arch/x86/machine/cpu.h
index b384e555..4e4ccbb2 100644
--- a/arch/x86/machine/cpu.h
+++ b/arch/x86/machine/cpu.h
@@ -46,7 +46,7 @@
/*
* EFLAGS register flags.
*/
-#define CPU_EFL_ONE 0x00000002
+#define CPU_EFL_ONE 0x00000002 /* Reserved, must be one */
#define CPU_EFL_IF 0x00000200
/*