Re: [PATCH net-next 1/2] net/smc: set rmb's SG_MAX_SINGLE_ALLOC limitation only when CONFIG_ARCH_NO_SG_CHAIN is defined

From: Simon Horman
Date: Sat Jun 01 2024 - 04:35:33 EST


On Tue, May 28, 2024 at 09:51:37PM +0800, Guangguan Wang wrote:
> SG_MAX_SINGLE_ALLOC is used to limit maximum number of entries that
> will be allocated in one piece of scatterlist. When the entries of
> scatterlist exceeds SG_MAX_SINGLE_ALLOC, sg chain will be used. From
> commit 7c703e54cc71 ("arch: switch the default on ARCH_HAS_SG_CHAIN"),
> we can know that the macro CONFIG_ARCH_NO_SG_CHAIN is used to identify
> whether sg chain is supported. So, SMC-R's rmb buffer should be limitted

Hi Guangguan Wang,

As it looks like there will be a v2:

In this patch: limitted -> limited
In patch 2/2: defalut -> default

checkpatch.pl --codespell is your friend.

> by SG_MAX_SINGLE_ALLOC only when the macro CONFIG_ARCH_NO_SG_CHAIN is
> defined.
>
> Signed-off-by: Guangguan Wang <guangguan.wang@xxxxxxxxxxxxxxxxx>
> Co-developed-by: Wen Gu <guwen@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Wen Gu <guwen@xxxxxxxxxxxxxxxxx>
> Fixes: a3fe3d01bd0d ("net/smc: introduce sg-logic for RMBs")

I think it is usual to put the fixes tag above the Signed-of tags,
although I don't see anything about that in [1].

[1] https://www.kernel.org/doc/html/latest/process/submitting-patches.html#using-reported-by-tested-by-reviewed-by-suggested-by-and-fixes

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