Re: [PATCH] drivers/base: use READ_ONCE instead of deprecated ACCESS_ONCE

From: Greg KH
Date: Tue Nov 29 2016 - 14:24:15 EST

On Sat, Nov 19, 2016 at 11:52:48AM -0800, Davidlohr Bueso wrote:
> With the new standardized functions, we can replace all ACCESS_ONCE()
> calls across relevant drivers/base/.
> ACCESS_ONCE() does not work reliably on non-scalar types. For example
> gcc 4.6 and 4.7 might remove the volatile tag for such accesses during
> the SRA (scalar replacement of aggregates) step:
> Update the new calls regardless of if it is a scalar type, this is
> cleaner than having three alternatives.
> Signed-off-by: Davidlohr Bueso <dbueso@xxxxxxx>

>From does not match signed-off-by, so I can't take this, sorry.

greg k-h