linux-kernel - Re: [PATCH] staging: vchip

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Message-ID: <YUx9kdY5+Le+i29z@kroah.com>
Date:   Thu, 23 Sep 2021 15:13:53 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Guo Zhi <qtxuning1999@...u.edu.cn>
Cc:     nsaenz@...nel.org, peterz@...radead.org, maz@...nel.org,
        bsegall@...gle.com, rdunlap@...radead.org, airlied@...hat.com,
        kan liang <kan.liang@...ux.intel.com>, odin@...d.al,
        bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-staging@...ts.linux.dev,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging: vchip_arm: Fix misuse of %x

A: http://en.wikipedia.org/wiki/Top_post
Q: Were do I find info about this thing called top-posting?
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?

A: No.
Q: Should I include quotations after my reply?

http://daringfireball.net/2007/07/on_top

On Thu, Sep 23, 2021 at 08:57:40PM +0800, Guo Zhi wrote:
> We should restrict kernel pointer leakage issue by using kptr_restrict. 
> Therefore kernel pointers should be specified by %pK rather than %lx.

I totally agree.

What I am asking about is why is this message needed at all?  Why not
just remove the whole thing?  Who uses it?

thanks,

greg k-h