From: Geert Uytterhoeven <geert@linux-m68k.org> To: Sasha Levin <Alexander.Levin@microsoft.com> Cc: Greg KH <gregkh@linuxfoundation.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "w@1wt.eu" <w@1wt.eu>, "ksummit-discuss@lists.linuxfoundation.org" <ksummit-discuss@lists.linuxfoundation.org> Subject: Re: [Ksummit-discuss] bug-introducing patches Date: Wed, 2 May 2018 17:32:37 +0200 [thread overview] Message-ID: <CAMuHMdWNFz_9OpddZ6tTaQcNVH01pkhwd0+3Z31uDcZvbkV6Ow@mail.gmail.com> (raw) In-Reply-To: <20180501163818.GD1468@sasha-vm> Hi Sasha, On Tue, May 1, 2018 at 6:38 PM, Sasha Levin <Alexander.Levin@microsoft.com> wrote: > Working on AUTOSEL, it became even more obvious to me how difficult it is for a > patch to get a proper review. Maintainers found it difficult to keep up with > the upstream work for their subsystem, and reviewing additional -stable patches > put even more load on them which some suggested would be more than what they > can handle. Thanks for your work! > - For some reason, the odds of a -rc commit to be targetted for -stable is > over 20%, while for merge window commits it's about 3%. I can't quite > explain why that happens, but this would suggest that -rc commits end up > hurting -stable pretty badly. Aren't more -rc commits targeted for -stable because they are bugfixes? Ideally, new features are supposed to be merged during the merge window, while -rc commits fix bugs. So they can be categorized like: 1. Plain -rc commits, 2. -rc commits fixing a bug: a. in the same release cycle, b. in a previous release. 2a assumes the bug was backported to -stable, too, doesn't it? Do you have statistics for which categories are most buggy? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
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From: Geert Uytterhoeven <geert@linux-m68k.org> To: Sasha Levin <Alexander.Levin@microsoft.com> Cc: Greg KH <gregkh@linuxfoundation.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "w@1wt.eu" <w@1wt.eu>, "ksummit-discuss@lists.linuxfoundation.org" <ksummit-discuss@lists.linuxfoundation.org> Subject: Re: [Ksummit-discuss] bug-introducing patches Date: Wed, 2 May 2018 17:32:37 +0200 [thread overview] Message-ID: <CAMuHMdWNFz_9OpddZ6tTaQcNVH01pkhwd0+3Z31uDcZvbkV6Ow@mail.gmail.com> (raw) In-Reply-To: <20180501163818.GD1468@sasha-vm> Hi Sasha, On Tue, May 1, 2018 at 6:38 PM, Sasha Levin <Alexander.Levin@microsoft.com> wrote: > Working on AUTOSEL, it became even more obvious to me how difficult it is for a > patch to get a proper review. Maintainers found it difficult to keep up with > the upstream work for their subsystem, and reviewing additional -stable patches > put even more load on them which some suggested would be more than what they > can handle. Thanks for your work! > - For some reason, the odds of a -rc commit to be targetted for -stable is > over 20%, while for merge window commits it's about 3%. I can't quite > explain why that happens, but this would suggest that -rc commits end up > hurting -stable pretty badly. Aren't more -rc commits targeted for -stable because they are bugfixes? Ideally, new features are supposed to be merged during the merge window, while -rc commits fix bugs. So they can be categorized like: 1. Plain -rc commits, 2. -rc commits fixing a bug: a. in the same release cycle, b. in a previous release. 2a assumes the bug was backported to -stable, too, doesn't it? Do you have statistics for which categories are most buggy? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds _______________________________________________ Ksummit-discuss mailing list Ksummit-discuss@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/ksummit-discuss
next prev parent reply other threads:[~2018-05-02 15:32 UTC|newest] Thread overview: 289+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-05-01 16:38 bug-introducing patches Sasha Levin 2018-05-01 16:38 ` [Ksummit-discuss] " Sasha Levin 2018-05-01 19:44 ` Theodore Y. Ts'o 2018-05-01 19:44 ` Theodore Y. Ts'o 2018-05-01 20:00 ` Sasha Levin 2018-05-01 20:00 ` [Ksummit-discuss] " Sasha Levin 2018-05-01 20:33 ` Willy Tarreau 2018-05-01 20:48 ` [Ksummit-discuss] " Willy Tarreau 2018-05-01 20:42 ` Sasha Levin 2018-05-01 20:42 ` [Ksummit-discuss] " Sasha Levin 2018-05-01 20:54 ` Theodore Y. Ts'o 2018-05-01 20:54 ` Theodore Y. Ts'o 2018-05-01 21:15 ` Mark Brown 2018-05-01 21:15 ` Mark Brown 2018-05-02 8:11 ` Daniel Vetter 2018-05-02 8:11 ` Daniel Vetter 2018-05-02 19:46 ` Sasha Levin 2018-05-02 19:46 ` Sasha Levin via Ksummit-discuss 2018-05-03 2:05 ` Mark Brown 2018-05-03 2:05 ` Mark Brown via Ksummit-discuss 2018-05-03 3:10 ` Theodore Y. Ts'o 2018-05-03 3:10 ` Theodore Y. Ts'o 2018-05-03 3:52 ` Guenter Roeck 2018-05-03 3:52 ` Guenter Roeck 2018-05-03 12:03 ` Greg KH 2018-05-03 12:03 ` Greg KH 2018-05-03 22:42 ` Mark Brown 2018-05-03 22:42 ` Mark Brown 2018-05-03 23:09 ` Tony Lindgren 2018-05-03 23:09 ` Tony Lindgren 2018-05-04 14:21 ` Ulf Hansson 2018-05-04 14:21 ` Ulf Hansson 2018-05-09 8:44 ` Mark Brown 2018-05-09 8:44 ` Mark Brown 2018-05-09 8:47 ` Daniel Vetter 2018-05-09 8:47 ` Daniel Vetter 2018-05-09 8:51 ` Geert Uytterhoeven 2018-05-09 8:51 ` Geert Uytterhoeven 2018-05-09 9:03 ` Mark Brown 2018-05-09 9:03 ` Mark Brown 2018-05-09 10:47 ` Stephen Rothwell 2018-05-09 10:47 ` Stephen Rothwell 2018-05-09 10:55 ` Vinod Koul 2018-05-09 10:55 ` Vinod Koul 2018-05-09 12:43 ` Stephen Rothwell 2018-05-09 12:43 ` Stephen Rothwell 2018-05-09 12:47 ` Vinod Koul 2018-05-09 12:47 ` Vinod Koul 2018-05-15 10:42 ` Krzysztof Kozlowski 2018-05-15 10:42 ` Krzysztof Kozlowski 2018-05-15 11:54 ` Stephen Rothwell 2018-05-15 11:54 ` Stephen Rothwell 2018-05-09 14:05 ` Mark Brown 2018-05-09 14:05 ` Mark Brown 2018-05-09 22:09 ` Stephen Rothwell 2018-05-09 22:09 ` Stephen Rothwell 2018-05-10 13:36 ` Mark Brown 2018-05-10 13:36 ` Mark Brown 2018-05-10 22:01 ` Stephen Rothwell 2018-05-10 22:01 ` Stephen Rothwell 2018-05-09 15:57 ` Guenter Roeck 2018-05-09 15:57 ` Guenter Roeck 2018-05-09 21:45 ` Stephen Rothwell 2018-05-09 21:45 ` Stephen Rothwell 2018-05-09 16:04 ` Dan Williams 2018-05-09 16:04 ` Dan Williams 2018-05-09 16:04 ` Dan Williams 2018-05-09 21:51 ` Stephen Rothwell 2018-05-09 21:51 ` Stephen Rothwell 2018-05-09 21:51 ` Stephen Rothwell 2018-05-09 19:35 ` Boris Brezillon 2018-05-09 19:35 ` Boris Brezillon 2018-05-09 21:58 ` Stephen Rothwell 2018-05-09 21:58 ` Stephen Rothwell 2018-05-10 3:15 ` Sasha Levin 2018-05-10 3:15 ` Sasha Levin via Ksummit-discuss 2018-05-10 15:57 ` Tony Lindgren 2018-05-10 15:57 ` Tony Lindgren 2018-05-10 22:05 ` Stephen Rothwell 2018-05-10 22:05 ` Stephen Rothwell 2018-05-11 8:47 ` David Sterba 2018-05-11 8:49 ` David Sterba 2018-05-12 4:03 ` Stephen Rothwell 2018-05-12 4:03 ` Stephen Rothwell 2018-05-12 4:38 ` Stephen Rothwell 2018-05-12 4:38 ` Stephen Rothwell 2018-05-12 18:34 ` Guenter Roeck 2018-05-13 13:53 ` Andy Shevchenko 2018-05-13 13:53 ` Andy Shevchenko 2018-05-14 8:36 ` Ulf Hansson 2018-05-14 8:36 ` Ulf Hansson 2018-05-14 21:45 ` Stephen Rothwell 2018-05-14 21:45 ` Stephen Rothwell 2018-05-17 5:10 ` Mark Brown 2018-05-17 5:10 ` Mark Brown 2018-05-10 16:03 ` Jiri Kosina 2018-05-10 16:03 ` Jiri Kosina 2018-05-10 16:47 ` Sasha Levin 2018-05-10 16:47 ` Sasha Levin via Ksummit-discuss 2018-05-14 7:53 ` Geert Uytterhoeven 2018-05-14 7:53 ` Geert Uytterhoeven 2018-05-14 8:00 ` Geert Uytterhoeven 2018-05-14 8:00 ` Geert Uytterhoeven 2018-05-14 8:12 ` Boris Brezillon 2018-05-14 8:12 ` Boris Brezillon 2018-05-14 8:29 ` Geert Uytterhoeven 2018-05-14 8:29 ` Geert Uytterhoeven 2018-05-14 8:34 ` Boris Brezillon 2018-05-14 8:34 ` Boris Brezillon 2018-05-14 8:40 ` Geert Uytterhoeven 2018-05-14 8:40 ` Geert Uytterhoeven 2018-05-14 8:48 ` Boris Brezillon 2018-05-14 8:48 ` Boris Brezillon 2018-05-14 9:25 ` Fengguang Wu 2018-05-14 9:25 ` Fengguang Wu 2018-05-11 2:10 ` Mark Brown 2018-05-11 2:10 ` Mark Brown 2018-05-08 2:34 ` Sasha Levin 2018-05-08 2:34 ` Sasha Levin 2018-05-08 3:48 ` Theodore Y. Ts'o 2018-05-08 3:48 ` Theodore Y. Ts'o 2018-05-08 14:49 ` Tony Lindgren 2018-05-09 8:13 ` Mark Brown 2018-05-09 8:13 ` Mark Brown 2018-05-10 15:36 ` Tony Lindgren 2018-05-10 15:36 ` Tony Lindgren 2018-05-08 20:29 ` Sasha Levin 2018-05-08 20:29 ` Sasha Levin via Ksummit-discuss 2018-05-08 20:40 ` Matthew Wilcox 2018-05-08 20:40 ` Matthew Wilcox 2018-05-08 20:55 ` Sasha Levin 2018-05-08 20:55 ` Sasha Levin 2018-05-08 20:59 ` David Lang 2018-05-08 21:06 ` David Lang 2018-05-08 21:43 ` Sasha Levin 2018-05-08 21:43 ` Sasha Levin via Ksummit-discuss 2018-05-08 21:51 ` Dan Williams 2018-05-08 21:51 ` Dan Williams 2018-05-08 22:41 ` James Bottomley 2018-05-08 22:41 ` James Bottomley 2018-05-08 21:26 ` Justin Forbes 2018-05-08 21:26 ` Justin Forbes 2018-05-08 21:00 ` Ken Moffat 2018-05-08 21:08 ` Ken Moffat 2018-05-08 22:15 ` Theodore Y. Ts'o 2018-05-10 16:39 ` Sasha Levin 2018-05-09 4:47 ` Willy Tarreau 2018-05-09 4:47 ` Willy Tarreau 2018-05-08 13:58 ` Justin Forbes 2018-05-08 13:58 ` Justin Forbes 2018-05-08 2:39 ` Sasha Levin 2018-05-08 2:39 ` Sasha Levin via Ksummit-discuss 2018-05-01 22:02 ` Sasha Levin 2018-05-01 22:02 ` [Ksummit-discuss] " Sasha Levin 2018-05-02 4:30 ` Willy Tarreau 2018-05-02 4:30 ` [Ksummit-discuss] " Willy Tarreau 2018-05-02 19:42 ` Sasha Levin 2018-05-02 19:42 ` Sasha Levin 2018-05-02 20:02 ` Willy Tarreau 2018-05-02 20:02 ` [Ksummit-discuss] " Willy Tarreau 2018-07-14 17:38 ` Pavel Machek 2018-07-14 17:38 ` Pavel Machek 2018-07-14 18:37 ` [Ksummit-discuss] " Guenter Roeck 2018-07-14 18:37 ` Guenter Roeck 2018-07-14 19:47 ` Pavel Machek 2018-07-14 19:47 ` Pavel Machek 2018-07-14 20:40 ` Guenter Roeck 2018-07-14 20:40 ` Guenter Roeck 2018-07-14 21:09 ` Pavel Machek 2018-07-14 21:09 ` Pavel Machek 2018-07-15 5:57 ` Willy Tarreau 2018-07-15 5:57 ` Willy Tarreau 2018-07-15 8:54 ` Greg KH 2018-07-15 8:54 ` Greg KH 2018-07-15 14:50 ` [Ksummit-discuss] " Theodore Y. Ts'o 2018-07-15 14:50 ` Theodore Y. Ts'o 2018-07-15 20:15 ` [Ksummit-discuss] " Pavel Machek 2018-07-15 20:15 ` Pavel Machek 2018-05-03 11:08 ` [Ksummit-discuss] " Jani Nikula 2018-05-03 11:08 ` Jani Nikula 2018-05-03 14:33 ` James Bottomley 2018-05-03 14:33 ` James Bottomley 2018-05-03 14:48 ` Willy Tarreau 2018-05-03 14:49 ` Willy Tarreau 2018-05-03 15:06 ` Sasha Levin 2018-05-03 15:06 ` Sasha Levin via Ksummit-discuss 2018-05-03 15:27 ` James Bottomley 2018-05-03 15:27 ` James Bottomley 2018-05-03 15:43 ` Sasha Levin 2018-05-03 15:43 ` Sasha Levin via Ksummit-discuss 2018-05-03 17:17 ` Randy Dunlap 2018-05-03 17:17 ` Randy Dunlap 2018-05-03 17:39 ` Sasha Levin 2018-05-03 17:39 ` Sasha Levin via Ksummit-discuss 2018-05-03 18:10 ` James Bottomley 2018-05-03 18:10 ` James Bottomley 2018-05-03 15:56 ` Willy Tarreau 2018-05-03 15:57 ` Willy Tarreau 2018-05-03 18:58 ` Theodore Y. Ts'o 2018-05-03 18:58 ` Theodore Y. Ts'o 2018-05-01 23:28 ` Stephen Rothwell 2018-05-01 23:10 ` Stephen Rothwell 2018-05-02 15:32 ` Geert Uytterhoeven [this message] 2018-05-02 15:32 ` Geert Uytterhoeven 2018-05-02 19:51 ` Sasha Levin 2018-05-02 19:51 ` Sasha Levin via Ksummit-discuss 2018-05-02 20:41 ` Geert Uytterhoeven 2018-05-02 20:41 ` Geert Uytterhoeven 2018-05-03 0:06 ` [Ksummit-discuss] " Theodore Y. Ts'o 2018-05-03 0:06 ` Theodore Y. Ts'o 2018-05-03 0:38 ` Guenter Roeck 2018-05-03 0:38 ` Guenter Roeck 2018-05-03 2:30 ` Willy Tarreau 2018-05-03 2:30 ` Willy Tarreau 2018-05-03 14:55 ` Sasha Levin 2018-05-03 14:55 ` Sasha Levin 2018-05-03 15:49 ` Guenter Roeck 2018-05-03 15:49 ` Guenter Roeck 2018-05-03 16:02 ` Sasha Levin 2018-05-03 16:02 ` Sasha Levin via Ksummit-discuss 2018-05-03 16:50 ` Justin Forbes 2018-05-03 16:50 ` Justin Forbes 2018-05-03 17:09 ` Guenter Roeck 2018-05-03 17:09 ` Guenter Roeck 2018-05-03 11:48 ` Al Viro 2018-05-03 14:46 ` Sasha Levin 2018-05-03 14:46 ` Sasha Levin via Ksummit-discuss 2018-05-03 14:52 ` Willy Tarreau 2018-05-03 14:52 ` Willy Tarreau 2018-05-03 15:01 ` Sasha Levin 2018-05-03 15:01 ` Sasha Levin via Ksummit-discuss 2018-05-03 16:00 ` Willy Tarreau 2018-05-03 16:01 ` Willy Tarreau 2018-05-03 16:14 ` Sasha Levin 2018-05-03 16:15 ` Sasha Levin 2018-05-03 16:35 ` Willy Tarreau 2018-05-03 16:35 ` Willy Tarreau 2018-05-03 17:29 ` Sasha Levin 2018-05-03 17:29 ` Sasha Levin via Ksummit-discuss 2018-05-03 17:57 ` Willy Tarreau 2018-05-03 17:57 ` Willy Tarreau 2018-05-03 18:12 ` Sasha Levin 2018-05-03 18:12 ` Sasha Levin 2018-05-03 18:46 ` Guenter Roeck 2018-05-03 18:46 ` Guenter Roeck 2018-05-03 19:03 ` Willy Tarreau 2018-05-03 19:03 ` Willy Tarreau 2018-05-03 16:54 ` Al Viro 2018-05-03 16:54 ` Al Viro 2018-05-03 17:34 ` Sasha Levin 2018-05-03 17:34 ` Sasha Levin via Ksummit-discuss 2018-05-03 18:20 ` Al Viro 2018-05-03 18:20 ` Al Viro 2018-05-03 18:55 ` Greg KH 2018-05-03 18:55 ` Greg KH 2018-05-03 19:14 ` Willy Tarreau 2018-05-03 19:14 ` Willy Tarreau 2018-05-03 19:17 ` Sasha Levin 2018-05-03 19:17 ` Sasha Levin via Ksummit-discuss 2018-05-03 19:04 ` Sasha Levin 2018-05-03 19:04 ` Sasha Levin 2018-05-04 9:57 ` David Howells 2018-05-04 9:57 ` David Howells 2018-05-04 12:31 ` Jani Nikula 2018-05-04 12:31 ` Jani Nikula 2018-05-04 13:09 ` Theodore Y. Ts'o 2018-05-04 13:09 ` Theodore Y. Ts'o 2018-05-04 17:40 ` Greg KH 2018-05-04 17:40 ` Greg KH 2018-05-04 21:13 ` Theodore Y. Ts'o 2018-05-04 21:13 ` Theodore Y. Ts'o 2018-05-04 21:38 ` James Bottomley 2018-05-04 21:38 ` James Bottomley 2018-05-04 21:51 ` Sasha Levin 2018-05-04 21:51 ` Sasha Levin 2018-05-04 23:35 ` Theodore Y. Ts'o 2018-05-04 23:35 ` Theodore Y. Ts'o 2018-05-05 4:23 ` Willy Tarreau 2018-05-05 4:24 ` Willy Tarreau 2018-05-05 5:02 ` Eric W. Biederman 2018-05-05 5:02 ` Eric W. Biederman 2018-05-05 16:37 ` Greg KH 2018-05-05 16:37 ` Greg KH 2018-05-05 5:27 ` Sasha Levin 2018-05-05 5:27 ` Sasha Levin via Ksummit-discuss 2018-05-03 11:43 ` Al Viro 2018-05-03 11:43 ` Al Viro 2018-05-02 15:32 ` Geert Uytterhoeven 2018-05-02 15:32 ` Geert Uytterhoeven
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