x86: fix sleep.c build error
fix:
arch/x86/kernel/acpi/sleep.c: In function ‘acpi_save_state_mem':
arch/x86/kernel/acpi/sleep.c:75: error: ‘stack_start' undeclared (first use in this function)
arch/x86/kernel/acpi/sleep.c:75: error: (Each undeclared identifier is reported
only once
arch/x86/kernel/acpi/sleep.c:75: error: for each function it appears in.)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index a81f468..e6a4b56 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -86,7 +86,9 @@
saved_magic = 0x12345678;
#else /* CONFIG_64BIT */
header->trampoline_segment = setup_trampoline() >> 4;
+#ifdef CONFIG_SMP
stack_start.sp = temp_stack + 4096;
+#endif
initial_code = (unsigned long)wakeup_long64;
saved_magic = 0x123456789abcdef0;
#endif /* CONFIG_64BIT */