On Sun, 8 Jan 2023 20:04:44 +0100 Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> wrote: > In an attempt to simplify some includes in <include/dcache.h>, it > appeared, when compiling fs/ecryptfs/dentry.c, that <linux/bit_spinlock.h> > was relying on other includes to get the definition of cpu_relax(). > (see [1]) > > It broke on arc. > > Include <asm/processor.h> in <linux/bit_spinlock.h> to fix the issue. > This will help remove some un-needed includes from <include/dcache.h>. > > [1]: https://lore.kernel.org/all/202301082130.LXMj5qkD-lkp@xxxxxxxxx/ > > ... > > --- a/include/linux/bit_spinlock.h > +++ b/include/linux/bit_spinlock.h > @@ -2,6 +2,7 @@ > #ifndef __LINUX_BIT_SPINLOCK_H > #define __LINUX_BIT_SPINLOCK_H > > +#include <asm/processor.h> > #include <linux/kernel.h> > #include <linux/preempt.h> > #include <linux/atomic.h> linux/processor.h would be preferable, rather than diving straight into asm/?