Re: parisc build failures in mainline kernel

[Linus Torvalds]

On Wed, Nov 3, 2021 at 8:15 PM Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>
> the mainline kernel fails to build almost all 'parisc' images.

All with CONFIG_SMP?

Does this silly patch fix it?

                 Linus
 arch/parisc/include/asm/thread_info.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h
index 75657c2c54e1..1a58795f785c 100644
--- a/arch/parisc/include/asm/thread_info.h
+++ b/arch/parisc/include/asm/thread_info.h
@@ -9,6 +9,9 @@
 struct thread_info {
 	unsigned long flags;		/* thread_info flags (see TIF_*) */
 	int preempt_count;		/* 0=premptable, <0=BUG; will also serve as bh-counter */
+#ifdef CONFIG_SMP
+	unsigned int cpu;
+#endif
 };
 
 #define INIT_THREAD_INFO(tsk)			\