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-rw-r--r--include/asm-x86/suspend_64.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/asm-x86/suspend_64.h b/include/asm-x86/suspend_64.h
index c505a76bcf6e..4404668f9aa4 100644
--- a/include/asm-x86/suspend_64.h
+++ b/include/asm-x86/suspend_64.h
@@ -15,7 +15,14 @@ arch_prepare_suspend(void)
return 0;
}
-/* Image of the saved processor state. If you touch this, fix acpi/wakeup.S. */
+/*
+ * Image of the saved processor state, used by the low level ACPI suspend to
+ * RAM code and by the low level hibernation code.
+ *
+ * If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that
+ * __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c,
+ * still work as required.
+ */
struct saved_context {
struct pt_regs regs;
u16 ds, es, fs, gs, ss;