Re: [RFC PATCH 1/4] asm-generic/barrier: add generic nospec helpers

2018-01-05 Thread Mark Rutland
On Thu, Jan 04, 2018 at 08:21:56PM -0800, Dan Williams wrote: > On Thu, Jan 4, 2018 at 4:00 AM, Mark Rutland wrote: > > On Wed, Jan 03, 2018 at 10:38:24PM +, Mark Rutland wrote: > >> +#define nospec_array_load(arr, idx, sz) > >>\ > >> +({

Re: [RFC PATCH 1/4] asm-generic/barrier: add generic nospec helpers

2018-01-04 Thread Dan Williams
On Thu, Jan 4, 2018 at 4:00 AM, Mark Rutland wrote: > On Wed, Jan 03, 2018 at 10:38:24PM +, Mark Rutland wrote: >> +#define nospec_array_load(arr, idx, sz) >> \ >> +({ \ >> + typeof(*(ar

Re: [RFC PATCH 1/4] asm-generic/barrier: add generic nospec helpers

2018-01-04 Thread Mark Rutland
On Wed, Jan 03, 2018 at 10:38:24PM +, Mark Rutland wrote: > +#define nospec_array_load(arr, idx, sz) > \ > +({ \ > + typeof(*(arr)) *__arr = arr;\ > +