[RFC PATCH 2/8] x86: add CPU field to struct thread_info

[Ard Biesheuvel]

The CPU field will be moved back into thread_info even when
THREAD_INFO_IN_TASK is enabled, so add it back to x86's definition of
struct thread_info.

Signed-off-by: Ard Biesheuvel <a...@kernel.org>
---
 arch/x86/include/asm/thread_info.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/include/asm/thread_info.h 
b/arch/x86/include/asm/thread_info.h
index cf132663c219..ebec69c35e95 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -57,6 +57,9 @@ struct thread_info {
        unsigned long           flags;          /* low level flags */
        unsigned long           syscall_work;   /* SYSCALL_WORK_ flags */
        u32                     status;         /* thread synchronous flags */
+#ifdef CONFIG_SMP
+       u32                     cpu;            /* current CPU */
+#endif
 };
 
 #define INIT_THREAD_INFO(tsk)                  \
-- 
2.30.2