On Thu, Aug 24, 2017 at 02:42:57PM +0900, Hoeun Ryu wrote: > +#ifndef CONFIG_64BIT_ATOMIC_ALIGNED_ACCESS > u64 min_vruntime; > -#ifndef CONFIG_64BIT > +#else > + u64 min_vruntime __attribute__((aligned(sizeof(u64)))); > +#endif That's stupid, just make sure your platform defines u64 as naturally aligned when you have this 64BIT_ATOMIC foo. Also, please try and dig out more 32bit archs that can use this and make sure to include performance numbers to justify this extra cruft.
