linux-kernel - Re: [PATCH] arm: Omit fixmap calls in text patching code if CONFIG

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Message-ID: <20151026171750.GA30888@debian>
Date:	Mon, 26 Oct 2015 18:17:50 +0100
From:	Rabin Vincent <rabin@....in>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm: Omit fixmap calls in text patching code if
 CONFIG_MMU=n

On Mon, Oct 26, 2015 at 08:54:52AM +0100, Geert Uytterhoeven wrote:
> Protect the calls to set_fixmap() and clear_fixmap() by #ifdef >
> CONFIG_MMU to fix this.
> 
> Fixes: commit ab0615e2d6fb0747 ("arm: use fixmap for text patching when text is RO")
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Since both DEBUG_SET_MODULE_RONX and DEBUG_RODATA depend on MMU, we'll
never get to this code on !MMU so this ifdef build fix should be ok.

Acked-by: Rabin Vincent <rabin@....in>

Thanks.
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