From: Tom Rini <trini@konsulko.com>
To: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Cc: u-boot@lists.denx.de, linux-snps-arc@lists.infradead.org,
Rick Chen <rick@andestech.com>,
uboot-snps-arc@synopsys.com
Subject: Re: [RFC 0/2] Import and use non-atomic bit-ops
Date: Mon, 20 Jan 2020 15:38:39 -0500 [thread overview]
Message-ID: <20200120203839.GL8732@bill-the-cat> (raw)
In-Reply-To: <20200120124329.3001-1-abrodkin@synopsys.com>
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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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prev parent reply other threads:[~2020-01-20 20:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-20 12:43 [RFC 0/2] Import and use non-atomic bit-ops Alexey Brodkin
2020-01-20 12:43 ` [RFC 1/2] include: Import non-atomic.h from Linux Alexey Brodkin
2020-01-20 12:43 ` [RFC 2/2] ARC: Add support of bitops via generic implementation Alexey Brodkin
2020-01-20 20:38 ` Tom Rini [this message]
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