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Message-ID: <20170518141215.GC23654@kroah.com>
Date: Thu, 18 May 2017 16:12:15 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Petr Mladek <pmladek@...e.com>
Cc: kernel-hardening@...ts.openwall.com,
Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
linux-kernel@...r.kernel.org,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will.deacon@....com>,
Steven Rostedt <rostedt@...dmis.org>,
William Roberts <william.c.roberts@...el.com>,
Chris Fries <cfries@...gle.com>, Dave Weinstein <olorin@...gle.com>
Subject: Re: [RFC 5/6] lib: vsprintf: Add "%paP", "%padP" options
On Tue, May 16, 2017 at 04:41:04PM +0200, Petr Mladek wrote:
> On Fri 2017-05-05 21:07:47, Greg KH wrote:
> > From: Chris Fries <cfries@...gle.com>
> >
> > Add %paP and %padP for physical address that need to always be shown
> > regardless of kptr restrictions.
> >
> > Cc: William Roberts <william.c.roberts@...el.com>
> > Cc: Dave Weinstein <olorin@...gle.com>
> > Signed-off-by: Chris Fries <cfries@...gle.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > ---
> > Documentation/printk-formats.txt | 10 ++++++----
> > lib/vsprintf.c | 12 +++++++++---
> > 2 files changed, 15 insertions(+), 7 deletions(-)
>
> This patch should update also the section about
> kptr_restrict in Documentation/sysctl/kernel.txt.
> It should mention that the trailing P allows to see
> pointers also for %pa, and %p[rR] formats when
> the level is 4.
Ah, good point, will do!
greg k-h
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