Messages in this thread | | | From | Arnd Bergmann <> | Date | Tue, 30 Jun 2020 21:11:32 +0200 | Subject | Re: [PATCH 02/18] compiler.h: Split {READ,WRITE}_ONCE definitions out into rwonce.h |
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On Tue, Jun 30, 2020 at 7:37 PM Will Deacon <will@kernel.org> wrote: > > In preparation for allowing architectures to define their own > implementation of the READ_ONCE() macro, move the generic > {READ,WRITE}_ONCE() definitions out of the unwieldy 'linux/compiler.h' > file and into a new 'rwonce.h' header under 'asm-generic'. > > Acked-by: Paul E. McKenney <paulmck@kernel.org> > Signed-off-by: Will Deacon <will@kernel.org> > --- > include/asm-generic/Kbuild | 1 + > include/asm-generic/rwonce.h | 91 ++++++++++++++++++++++++++++++++++++ > include/linux/compiler.h | 83 +-------------------------------
Very nice, this has the added benefit of allowing us to stop including asm/barrier.h once linux/compiler.h gets changed to not include asm/rwonce.h.
The asm/barrier.h header has a circular dependency, pulling in linux/compiler.h itself.
Arnd
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