From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Steve Wise" <swise@opengridcomputing.com>
Subject: RE: [PATCH v1 iproute2-next 2/3] rdma: print driver resource attributes
Date: Tue, 15 May 2018 10:02:08 -0500
Message-ID: <015b01d3ec5d$b1db4f90$1591eeb0$@opengridcomputing.com>
References: <cover.1525709213.git.swise@opengridcomputing.com> <1a0d146dffb17449aa6d8a6b6d06e865e69226de.1525709213.git.swise@opengridcomputing.com> <20180514204125.GM21531@ziepe.ca> <a8493ed9-f16c-eb71-55db-f27bd1331521@opengridcomputing.com> <20180515085411.GT10381@mtr-leonro.mtl.com> <00fe01d3ec4f$44a6f400$cdf4dc00$@opengridcomputing.com> <20180515135335.GA5615@ziepe.ca> <012201d3ec59$69242fa0$3b6c8ee0$@opengridcomputing.com> <20180515144420.GB5615@ziepe.ca>
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To: 'Jason Gunthorpe' <jgg@ziepe.ca>
Cc: 'Leon Romanovsky' <leon@kernel.org>, dsahern@gmail.com, stephen@networkplumber.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org
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> On Tue, May 15, 2018 at 09:31:27AM -0500, Steve Wise wrote:
> > > cap net admin is not high enough privledge to see unhashed kernel
> > > pointers. CAP_RAW_IO? Or follow what printk does?
> > >
> >
> > Do you mean CAP_NET_RAW?  Here's the comments for it:
> 
> Nope..
> 
> > Func restricted_pointer() from lib/vsprintf.c uses CAP_SYSLOG.  The
> comment for CAP_SYSLOG:
> 
> Yikes, yes, that is probably the required logic here, including the
> kptr_restrict = 0 thing
> 

Let's defer the ktpr_restrict issue for now; I want to finish the initial
work this cycle, and adding that will likely take too much time.   I'll use
CAP_SYSLOG and add a FIXME comment.  Ok? 

Steve.