From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752751AbdAZLtQ (ORCPT ); Thu, 26 Jan 2017 06:49:16 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:16674 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751582AbdAZLtO (ORCPT ); Thu, 26 Jan 2017 06:49:14 -0500 Date: Thu, 26 Jan 2017 12:53:39 +0100 From: Quentin Casasnovas To: Dmitry Vyukov Cc: syzkaller , Catalin Marinas , Will Deacon , Ard Biesheuvel , Mark Rutland , Rob Herring , Kefeng Wang , AKASHI Takahiro , Jon Masters , David Daney , Ganapatrao Kulkarni , Andrew Morton , Nicolai Stange , James Morse , Andrey Ryabinin , Andrey Konovalov , linux-arm-kernel@lists.infradead.org, LKML , Quentin Casasnovas Subject: Re: [PATCH 2/2] kcov: make kcov work properly with KASLR enabled Message-ID: <20170126115339.GA6973@chrystal.oracle.com> References: <1481417456-28826-1-git-send-email-alex.popov@linux.com> <1481417456-28826-3-git-send-email-alex.popov@linux.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="3MwIy2ne0vdjdPXF" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --3MwIy2ne0vdjdPXF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Dec 12, 2016 at 07:58:03AM +0100, Dmitry Vyukov wrote: > On Sun, Dec 11, 2016 at 10:37 PM, Alexander Popov = wrote: > > On 11.12.2016 12:32, Dmitry Vyukov wrote: > >> On Sun, Dec 11, 2016 at 1:50 AM, Alexander Popov wrote: > >>> Subtract KASLR offset from the kernel addresses reported by kcov. > >>> Tested on x86_64 and AArch64 (Hikey LeMaker). > >>> > >>> Signed-off-by: Alexander Popov > >>> --- > >>> kernel/kcov.c | 8 +++++++- > >>> 1 file changed, 7 insertions(+), 1 deletion(-) > >> > >> I think generally this is the right thing to do. > >> > >> There are 2 pending patches for kcov by +Quentin (hopefully in mm): > >> "kcov: add AFL-style tracing" > >> "kcov: size of arena is now given in bytes" > >> https://groups.google.com/forum/#!topic/syzkaller/gcqbIhKjGcY > >> https://groups.google.com/d/msg/syzkaller/gcqbIhKjGcY/KQFryjBKCAAJ > >> > >> Your patch probably conflicts with them. > >> Should you base them on top of these patches, so that Andrew can merge > >> it without conflicts? > > > > Excuse me, I can't find these patches in: > > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > > git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git > > git://git.cmpxchg.org/linux-mmots.git > > > > Could you point at the tree which I can rebase onto? > > Should I cherry-pick Quentin's patches manually? >=20 >=20 > Quentin, do you know destiny of your patches? They does not seem to be > in mm tree. Huh since apologies, looks like I messed up my filters and completely missed this thread. I was going to ask where my patches landed and who should take them... I'm happy to re-send them rebased on the mm tree if that's where they're going to land initially. Thanks, Quentin --3MwIy2ne0vdjdPXF Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- iQIcBAEBCgAGBQJYieM+AAoJEB5Tt01po9cNHzsQALTa47aFGfMk+Ms5MuDCsHWo N6uHudDmrdfHYZK9yX0fbhQP9xDuRaVajLRVNfcSkRSnLQhMtYpnffloYm7a47do IBPFBujmc6jgp9R/pmoKtUx4URoOsPEpPQK8rYQ2EPUUgRSymqrmwSX2p+ysBFjL GgprNW0BrhBmCavBVZpKhC/cmBdJzmwHspqj0GqTmgmmlVtzaFvdc3xB8WmGRIOx +pdjEXK6kobWw3gFH+XAfRRHc5WdaTC9rKhdzP+Echk7lGZL2cOm6NnOQFLx80vI feE4KskyNlX8WaNNFlLW69SKfbeEL2EHJMfBPGNYclB+OREP/yw4QvPeO+3AyjRK nMMp3ZeFJvbH1ZR4XHQR5fBlrO8VuZwqTodr5x7jNUh8F718wbL1/aUYyqWYIlxg LNBFKFX7sA37uUM2UNm+Sf+MDFBqSL0zQwDsTzDfAjYt9THFpCDJxv+ynO6P8BUM XgyFd7ezzUrXWQ86pId29YCHtWWrso0HwmxY7xJV+tQUwnu22wXrj6bPTlprVSah p6FKosFIb/64KZvJlY/Q+NBWwi7rkFIQ7jkPsVMvjcMKbw7/PM6jlSlCbCZKWQc3 ES3EpA40aAxOnddXNMp7a0fdYUuZspAyT6WaWKQVckb3jsqQXUfu9ZiuRKfsdlre XbZF5pzyWZjpnvBUFfqk =8e/j -----END PGP SIGNATURE----- --3MwIy2ne0vdjdPXF--