linux-kernel - Re: [PATCH] mm: export copy_to_kernel

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Message-ID: <ZxidW3lvA5Pqu71m@infradead.org>
Date: Tue, 22 Oct 2024 23:53:15 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Arnd Bergmann <arnd@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Sabyrzhan Tasbolatov <snovitoll@...il.com>,
	Andrey Konovalov <andreyknvl@...il.com>,
	Arnd Bergmann <arnd@...db.de>, Marco Elver <elver@...gle.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: export copy_to_kernel_nofault

On Fri, Oct 18, 2024 at 03:11:09PM +0000, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> This symbol is now used on the kasan test module, so it needs to be
> exported.
> 
> ERROR: modpost: "copy_to_kernel_nofault" [mm/kasan/kasan_test.ko] undefined!

Meh, it would be great not to export internal helpers just because
someone wants to test them.  Please just mark that test built-in only
instead.