Date: Tue, 16 May 2017 16:41:04 +0200 From: Petr Mladek <pmladek@...e.com> To: Greg KH <gregkh@...uxfoundation.org> 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 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. Best Regards, Petr
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