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Message-ID: <CAF1ivSYMApcoZzuy1qkHmPA9uA_dK9eRa505CjsVdyGxA98Yjw@mail.gmail.com>
Date: Sat, 23 Apr 2016 20:30:32 -0700
From: Ming Lin <mlin@...nel.org>
To: Paul Gortmaker <paul.gortmaker@...driver.com>
Cc: lkml <linux-kernel@...r.kernel.org>,
Christoph Hellwig <hch@....de>,
Ming Lin <ming.l@....samsung.com>,
Sagi Grimberg <sagi@...mberg.me>,
"Martin K . Petersen" <martin.petersen@...cle.com>
Subject: Re: [PATCH v2] lib: make sg_pool tristate instead of bool
On Sat, Apr 23, 2016 at 7:44 PM, Paul Gortmaker
<paul.gortmaker@...driver.com> wrote:
> The recently added Kconfig controlling compilation of this code is:
>
> lib/Kconfig:config SG_POOL
> lib/Kconfig: def_bool n
>
> ...meaning that it currently is not being built as a module by anyone,
> and that tripped my audit looking for modular code that is essentially
> orphaned (i.e. module_exit, and .remove fcns in non-modular drivers.)
>
> In the following discussion, Ming Lin indicated that the original
> intention was to have it tristate, so here we convert it accordingly.
>
> Also fix up a couple spelling issues that appear in the surrounding
> patch context.
>
> Cc: Christoph Hellwig <hch@....de>
> Cc: Ming Lin <ming.l@....samsung.com>
> Cc: Sagi Grimberg <sagi@...mberg.me>
> Cc: Martin K. Petersen <martin.petersen@...cle.com>
> Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
> ---
>
> [v2: drop modular code removal patch in favour of supporting a modular
> build via a one line Kconfig patch as per Ming's comments. Build tested
> for allmodconfig on ARM and x86-64 on linux-next. ]
>
> lib/Kconfig | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/lib/Kconfig b/lib/Kconfig
> index e04f168f8f42..8de5868804b5 100644
> --- a/lib/Kconfig
> +++ b/lib/Kconfig
> @@ -528,13 +528,13 @@ config SG_SPLIT
> help
> Provides a helper to split scatterlists into chunks, each chunk being
> a scatterlist. This should be selected by a driver or an API which
> - whishes to split a scatterlist amongst multiple DMA channels.
> + wishes to split a scatterlist amongst multiple DMA channels.
>
> config SG_POOL
> - def_bool n
> + def_tristate n
> help
> Provides a helper to allocate chained scatterlists. This should be
> - selected by a driver or an API which whishes to allocate chained
> + selected by a driver or an API which wishes to allocate chained
> scatterlist.
>
> #
Looks good.
Acked-by: Ming Lin <ming.l@....samsung.com>
Thanks.
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