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Subject: Re: [PATCH] ath10k: hide kernel addresses from logs using %pK
 format specifier
From: Joe Perches <joe@perches.com>
To: c_mkenna@qti.qualcomm.com, ath10k@lists.infradead.org,
	Andrew Morton <akpm@linux-foundation.org>
Cc: linux-wireless@vger.kernel.org, mkenna@codeaurora.org,
	Kees Cook <keescook@chromium.org>,
	LKML <linux-kernel@vger.kernel.org>
Date: Fri, 05 Aug 2016 10:57:42 -0700
In-Reply-To: <1470318711-28986-1-git-send-email-c_mkenna@qti.qualcomm.com>
References: <1470318711-28986-1-git-send-email-c_mkenna@qti.qualcomm.com>
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On Thu, 2016-08-04 at 19:21 +0530, c_mkenna@qti.qualcomm.com wrote:
> From: Maharaja Kennadyrajan <c_mkenna@qti.qualcomm.com>
> 
> With the %pK format specifier we hide the kernel addresses
> with the help of kptr_restrict sysctl.
> In this patch, %p is changed to %pK in the driver code.
> 
> The sysctl is documented in Documentation/sysctl/kernel.txt.

Maybe %p should follow %pK and only show kernel .text addresses
by default and any other address as 0 unless the sysctl is set.