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From: David Laight <David.Laight@ACULAB.COM>
To: 'Will Deacon' <will@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: "kernel-team@android.com" <kernel-team@android.com>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"K . Prasad" <prasad@linux.vnet.ibm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	Frederic Weisbecker <frederic@kernel.org>,
	Christoph Hellwig <hch@lst.de>,
	Quentin Perret <qperret@google.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Masami Hiramatsu <mhiramat@kernel.org>
Subject: RE: [PATCH 0/3] Unexport kallsyms_lookup_name() and kallsyms_on_each_symbol()
Date: Fri, 21 Feb 2020 15:41:35 +0000	[thread overview]
Message-ID: <d31bc2e2718247a7b1db38593564262e@AcuMS.aculab.com> (raw)
In-Reply-To: <20200221114404.14641-1-will@kernel.org>

From: Will Deacon
> Sent: 21 February 2020 11:44
> Hi folks,
> 
> Despite having just a single modular in-tree user that I could spot,
> kallsyms_lookup_name() is exported to modules and provides a mechanism
> for out-of-tree modules to access and invoke arbitrary, non-exported
> kernel symbols when kallsyms is enabled.

Now where did I put that kernel code that opens /proc/kallsyms and
then reads it to find the addresses of symbols ...

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)


  parent reply	other threads:[~2020-02-21 15:41 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-21 11:44 Will Deacon
2020-02-21 11:44 ` [PATCH 1/3] samples/hw_breakpoint: Drop HW_BREAKPOINT_R when reporting writes Will Deacon
2020-02-21 14:12   ` Christoph Hellwig
2020-02-21 11:44 ` [PATCH 2/3] samples/hw_breakpoint: Drop use of kallsyms_lookup_name() Will Deacon
2020-02-21 14:13   ` Christoph Hellwig
2020-02-21 14:20     ` Will Deacon
2020-02-21 11:44 ` [PATCH 3/3] kallsyms: Unexport kallsyms_lookup_name() and kallsyms_on_each_symbol() Will Deacon
2020-02-21 11:53   ` Greg Kroah-Hartman
2020-02-21 14:14   ` Christoph Hellwig
2020-02-21 15:11   ` Alexei Starovoitov
2020-02-21 14:27 ` [PATCH 0/3] " Masami Hiramatsu
2020-02-21 14:48   ` Will Deacon
2020-02-21 23:44     ` Masami Hiramatsu
2020-02-21 15:41 ` David Laight [this message]
2020-02-21 16:25   ` Quentin Perret
2020-02-25 10:05 ` Miroslav Benes
2020-02-25 12:11   ` Petr Mladek
2020-02-25 15:00     ` Joe Lawrence
2020-02-25 18:01       ` Miroslav Benes
2020-02-26 14:16         ` Joe Lawrence
2020-03-02 19:28 ` Mathieu Desnoyers
2020-03-02 19:36   ` Greg Kroah-Hartman
2020-03-02 19:39     ` Greg Kroah-Hartman
2020-03-02 20:17       ` Mathieu Desnoyers
2020-03-03  6:57         ` Greg Kroah-Hartman
2020-03-03 16:58           ` Mathieu Desnoyers

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