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Date: Mon, 18 Dec 2023 19:25:42 +0200
From: Andy Shevchenko <>
To: Tanzir Hasan <>
Cc: Nick Desaulniers <>,
	Kees Cook <>,,, Nick DeSaulniers <>,
	Andrew Morton <>,,
	Al Viro <>
Subject: Re: [PATCH v2 1/2] sh: Added kernel.h to word-at-a-time

On Mon, Dec 18, 2023 at 09:05:56AM -0800, Tanzir Hasan wrote:
> > While REPEAT_BYTE has a manageable number of users, upper_* and
> > lower_* have significantly more; I worry about moving those causing
> > regressions.  We can move them, but such changes would need
> > significantly more soak time than this series IMO.  Tanzir is also
> > working on statistical analysis; I suspect if he analyzes
> > include/linux/kernel.h, he can comment on whether the usage of
> > REPEAT_BYTE is correlated with the usage of upper_* and lower_* in
> > order to inform whether they should be grouped together or not.
> Removing REPEAT_BYTE is manageable and I have already moved it.

Removing? You mean switching to something else in all those headers?

> I will
> be pushing a patch that moves just that into another file called wordpart.h.
> There are too many instances of the other functions for it to make sense to
> remove them all in this patch.

Okay, let's see the proposal (patch) code then!

With Best Regards,
Andy Shevchenko

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