x86: prevent stale state of c1e_mask across CPU offline/online, fix
Fix build error introduced by commit 4faac97d44ac27 ("x86: prevent stale
state of c1e_mask across CPU offline/online").
process_32.c needs to include idle.h to get the prototype for
c1e_remove_cpu()
Signed-off-by: Marc Dionne <marc.c.dionne@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 4b3cfdf..31f40b2 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -55,6 +55,7 @@
#include <asm/tlbflush.h>
#include <asm/cpu.h>
#include <asm/kdebug.h>
+#include <asm/idle.h>
asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");