From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 0D4098FF for ; Thu, 3 May 2018 16:01:01 +0000 (UTC) Received: from 1wt.eu (wtarreau.pck.nerim.net [62.212.114.60]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 428F9688 for ; Thu, 3 May 2018 16:00:59 +0000 (UTC) From: Willy Tarreau To: Sasha Levin Message-ID: <20180503160046.GH23311@1wt.eu> References: <20180501163818.GD1468@sasha-vm> <20180502195138.GC18390@sasha-vm> <20180503000620.GA29205@thunk.org> <20180503144612.GJ18390@sasha-vm> <20180503145205.GD23311@1wt.eu> <20180503150104.GL18390@sasha-vm> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180503150104.GL18390@sasha-vm> Cc: "linux-kernel@vger.kernel.org" , "ksummit-discuss@lists.linuxfoundation.org" , Greg KH Subject: Re: [Ksummit-discuss] bug-introducing patches List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Thu, 03 May 2018 16:01:01 -0000 On Thu, May 03, 2018 at 03:01:08PM +0000, Sasha Levin wrote: > On Thu, May 03, 2018 at 04:52:05PM +0200, Willy Tarreau wrote: > >I wouldn't be much surprised if you'd find that among those not introduced > >in the current merge window, many were introduced in the previous release. > > Interesting. Here it is for v4.16-rcX fixes that fix something > introduced before v4.14: > > rc1 30 > rc2 87 > rc3 51 > rc4 68 > rc5 23 > rc6 113 > rc7 61 > > So I'm not sure if what you described is really the case. This is rather interesting and probably deserves some analysis or explanation. I agree that probably a number of the 61 fixes in rc7 could have cooked a little bit more if they fixed 5 months-old bugs. Willy From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AB8JxZqjjKA1y3Xaw935hfgb6eaBgUV3yW8PJU0X+u3wcgR3Bv9xb7VmIjsVfwTbljTfRtqV7AsJ ARC-Seal: i=1; a=rsa-sha256; t=1525363259; cv=none; d=google.com; s=arc-20160816; b=EyEtk1B4QDKhYqQ2u+iBLdudHVrBBAMiwPHapEX7VIKZ6x3btXn188FpB2FforA8Zg KG//6rvaRQ7Rq6/cKkjLP1W53duYKOBnTkNBk3kfsG0UV9V4AdlcCEOZiYwavqLj3rDS JSnCuWCGySU1dNG2zzSzoGWaQL3+iq2iULUwjLQPraBRvXwOCw6kuDa2L/qVc3R9BRvU 83cbTX14sdEe737JabNQ4cTYsjDAS8vGTlaeHeNsW2Y4cXe4IFPYiwK7gXqIHzBlr3Xw Dr40d9lrAfKLoU0I4EJrOR1aiYARvnf7vY6VxM6yI3R3RZt/XOj4PkrrM/nhZlIOReQG nUjw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:arc-authentication-results; bh=Vf7Kl4FqsCTWSiKD9kdMxWcItuMHh7ct76Hpj10Aa1Y=; b=PtWhK4nEp6QgNRDAQ9vhh/mMTO3EdIBr5gSgBW1vKbD6yFSiHXCMZPZOEWEbuLbT0i gcP5lWxOhydQ3iZCeONyk4dG0JNYitLseXce1CZx4MExRcNSTzHrFh3SqxoeH7IO0KKW KlqpvZJR9G3CbZMYm7igQxmZLnCFCX+jHQ+TpCYWkAFigeKjZdHNlwgijuLEoCw3ifOl ey/jy96Z7NdIdtcz9WPD5Q8Vfedn0NXPGgVbVJbh++54rAZP7sDktYRMrH0YJ4FQyMkw U0SfauFp1Jv44ocdo/H0xG9qvUFKnHGzt4cjmiegL/fsjo7c+c4UdHP5mWIhXLfqNVeQ nt1w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of w@1wt.eu designates 62.212.114.60 as permitted sender) smtp.mailfrom=w@1wt.eu Authentication-Results: mx.google.com; spf=pass (google.com: domain of w@1wt.eu designates 62.212.114.60 as permitted sender) smtp.mailfrom=w@1wt.eu Date: Thu, 3 May 2018 18:00:46 +0200 From: Willy Tarreau To: Sasha Levin Cc: "Theodore Y. Ts'o" , Geert Uytterhoeven , Greg KH , "linux-kernel@vger.kernel.org" , "ksummit-discuss@lists.linuxfoundation.org" Subject: Re: [Ksummit-discuss] bug-introducing patches Message-ID: <20180503160046.GH23311@1wt.eu> References: <20180501163818.GD1468@sasha-vm> <20180502195138.GC18390@sasha-vm> <20180503000620.GA29205@thunk.org> <20180503144612.GJ18390@sasha-vm> <20180503145205.GD23311@1wt.eu> <20180503150104.GL18390@sasha-vm> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180503150104.GL18390@sasha-vm> User-Agent: Mutt/1.6.1 (2016-04-27) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1599280464106480109?= X-GMAIL-MSGID: =?utf-8?q?1599459304570597769?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Thu, May 03, 2018 at 03:01:08PM +0000, Sasha Levin wrote: > On Thu, May 03, 2018 at 04:52:05PM +0200, Willy Tarreau wrote: > >I wouldn't be much surprised if you'd find that among those not introduced > >in the current merge window, many were introduced in the previous release. > > Interesting. Here it is for v4.16-rcX fixes that fix something > introduced before v4.14: > > rc1 30 > rc2 87 > rc3 51 > rc4 68 > rc5 23 > rc6 113 > rc7 61 > > So I'm not sure if what you described is really the case. This is rather interesting and probably deserves some analysis or explanation. I agree that probably a number of the 61 fixes in rc7 could have cooked a little bit more if they fixed 5 months-old bugs. Willy