linux-kernel - Re: [PATCH v10-mte 4/7] arm64: mte: implement CONFIG_ARM64_MTE

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Message-ID: <CAG_fn=UXhBYNoiSOO8mAjo4FA0Q3hD8FsPgf8F6Z3cCe7pNkVw@mail.gmail.com>
Date: Mon, 18 Dec 2023 12:42:32 +0100
From: Alexander Potapenko <glider@...gle.com>
To: Yury Norov <yury.norov@...il.com>
Cc: catalin.marinas@....com, will@...nel.org, pcc@...gle.com, 
	andreyknvl@...il.com, andriy.shevchenko@...ux.intel.com, 
	aleksander.lobakin@...el.com, linux@...musvillemoes.dk, 
	alexandru.elisei@....com, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, eugenis@...gle.com, 
	syednwaris@...il.com, william.gray@...aro.org
Subject: Re: [PATCH v10-mte 4/7] arm64: mte: implement CONFIG_ARM64_MTE_COMP

> > Data and *data have their meaning across scope boundary: a pointer and
> > a content. The &data is pretty much a random number - a pointer to
> > somewhere on a function's stack. Isn't?
>
> OK, I read now. Your 'void *data' is not a pointer, but an actual data.
> Very confusing indeed... Maybe add a comment for that cast?
>
Sure, will do.