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Sender: Ingo Molnar <mingo.kernel.org@gmail.com>
Date: Fri, 12 Apr 2024 11:08:00 +0200
From: Ingo Molnar <mingo@kernel.org>
To: Mike Rapoport <rppt@kernel.org>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
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Subject: Re: [RFC PATCH 5/7] x86/module: perpare module loading for ROX
 allocations of text
Message-ID: <Zhj58NVS/iQnPeIq@gmail.com>
References: <20240411160526.2093408-1-rppt@kernel.org>
 <20240411160526.2093408-6-rppt@kernel.org>
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* Mike Rapoport <rppt@kernel.org> wrote:

>  	for (s = start; s < end; s++) {
>  		void *addr = (void *)s + *s;
> +		void *wr_addr = addr + module_writable_offset(mod, addr);

So instead of repeating this pattern in a dozen of places, why not use a 
simpler method:

		void *wr_addr = module_writable_address(mod, addr);

or so, since we have to pass 'addr' to the module code anyway.

The text patching code is pretty complex already.

Thanks,

	Ingo