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From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
	Dmitry Vyukov <dvyukov@google.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Guenter Roeck <groeck@google.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	syzkaller <syzkaller@googlegroups.com>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	David Miller <davem@davemloft.net>,
	Wu Fengguang <fengguang.wu@intel.com>
Subject: Re: what trees/branches to test on syzbot
Date: Sat, 9 Jun 2018 21:51:07 -0400	[thread overview]
Message-ID: <20180610015107.GC5020@thunk.org> (raw)
In-Reply-To: <CA+55aFzJaHyKBg_PTS85Y5RxUsQEerJ_Lc5HY1dd1YNztf==Wg@mail.gmail.com>

On Sat, Jun 09, 2018 at 03:17:21PM -0700, Linus Torvalds wrote:
> I think it would be lovely to get linux-next back eventually, but it
> sounds like it's just too noisy right now, and yes, we should have a
> baseline for the standard tree first.
> 
> But once there's a "this is known for the baseline", I think adding
> linux-next back in and then maybe even have linux-next simply just
> kick out trees that cause problems would be a good idea.
> 
> Right now linux-next only kicks things out based on build issues (or
> extreme merge issues), afaik. But it *would* be good to also have
> things like syzbot do quality control on linux-next.

Syzbot is always getting improved to find new classes of problems.  So
the only way to get a baseline would be to use an older version of
syzbot for linux-next, and to have it suppress sending e-mails about
failures that are duplicates that were already found via the mainline
tree.

Then periodically, once version N has run for M weeks, and has spewed
some large number of new failures to LKML, then you could promote
version N to be run against linux-next, and so hopefully the only
thing it would report against linux-next are regressions, and not
duplicates of new bugs also being found via the latest and greatest
version of syzbot being run against the mainline kernel.

						- Ted

  reply	other threads:[~2018-06-10  1:51 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-16  7:51 Dmitry Vyukov
2018-01-16  9:45 ` Guenter Roeck
2018-01-16  9:58   ` Dmitry Vyukov
2018-01-16 16:58     ` Guenter Roeck
2018-01-16 17:02     ` Eric W. Biederman
2018-01-16 17:34       ` Greg Kroah-Hartman
2018-01-22 13:32         ` Dmitry Vyukov
2018-06-09  6:31           ` Tetsuo Handa
2018-06-09 22:17             ` Linus Torvalds
2018-06-10  1:51               ` Theodore Y. Ts'o [this message]
2018-06-10  6:11                 ` Dmitry Vyukov
2018-06-11  1:22                   ` Theodore Y. Ts'o
2018-06-15  9:54                     ` Dmitry Vyukov
2018-06-18  4:52                       ` Stephen Rothwell
2018-06-18  6:10                       ` Eric W. Biederman
2018-06-18 13:54                       ` Alan Cox
2018-06-26 10:54               ` Tetsuo Handa
2018-06-26 14:16                 ` Theodore Y. Ts'o
2018-06-26 14:38                   ` Dmitry Vyukov
2018-06-26 14:54                     ` Guenter Roeck
2018-06-26 20:37                       ` Tetsuo Handa
2018-07-05 10:49                         ` Tetsuo Handa
2018-07-06 23:26                           ` Tetsuo Handa
2018-07-10  0:35                             ` Andrew Morton
2018-07-10  2:13                               ` Tetsuo Handa
2018-01-19  1:48     ` Fengguang Wu
2018-01-22 13:34       ` Dmitry Vyukov

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