On Mon, Jan 20, 2020 at 03:43:27PM +0300, Alexey Brodkin wrote:
> The following bitops are implemented pretty similarly for many
> arches and now when we faced a need in them on ARC I guess there's
> no point in copy-pasting them yet another time but instead it might
> be better re-use generic version from the Linux kernel.
>
> Since we had non of those bitops for ARC inclusion of imported header
> works perfectly fine. As for other arches I do see they use a bit different
> implementation but those might be just older versions etc.
>
> Sobefore breaking stuff for other arches I'd like to get some feedback
> from maintainers. Or we may just import proposed header and switch to
> its usage arch-by-arch whenever people feel kile cleaning-up their bitops.
>
> Alexey Brodkin (2):
> include: Import non-atomic.h from Linux
> ARC: Add support of bitops via generic implementation
>
> arch/arc/include/asm/bitops.h | 1 +
> include/asm-generic/bitops/non-atomic.h | 109
>
> 2 files changed, 110 insertions(+)
> create mode 100644 include/asm-generic/bitops/non-atomic.h
I would like to see this as a series to re-sync
include/asm-generic/bitops/ with a more recent Linux Kernel release
(it's from v4.2.3 per git log) and then add non-atomic.h and update
nios2 to use it instead of its own copy. Thanks!
--
Tom
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