On Fri, Jul 10, 2020 at 10:06:12AM -0700, Nick Desaulniers wrote:
> On Fri, Jul 10, 2020 at 9:52 AM Will Deacon <w...@kernel.org> wrote:
> > diff --git a/include/linux/nospec.h b/include/linux/nospec.h
> > index 0c5ef54fd416..c1e79f72cd89 100644
> > --- a/include/linux/nospec.h
> > +++ b/include/linux/nospec.h
> > @@ -5,6 +5,8 @@
> >
> > #ifndef _LINUX_NOSPEC_H
> > #define _LINUX_NOSPEC_H
> > +
> > +#include <linux/compiler.h>
>
> The other hunks LGTM, but this one is a little more curious to me. Can
> you walk me through this addition?
Sure. Without it, the build breaks on riscv because it includes this header
without first including <linux/compiler.h>, and this header relies on
OPTIMIZER_HIDE_VAR() being to defined as it is used in static inline
functions.
Perhaps I should squash this hunk into "compiler.h: Split {READ,WRITE}_ONCE
definitions out into rwonce.h" instead, as that is where I remove the
include of <linux/compiler.h> from 'asm-generic/barrier.h'. I'll check
the bisection on riscv...
Will
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