linux-kernel - Re: [Ksummit-discuss] bug-introducing patches

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Message-ID: <20180503031000.GC29205@thunk.org>
Date:   Wed, 2 May 2018 23:10:00 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Mark Brown <broonie@...nel.org>
Cc:     Sasha Levin <Alexander.Levin@...rosoft.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        "ksummit-discuss@...ts.linuxfoundation.org" 
        <ksummit-discuss@...ts.linuxfoundation.org>,
        Greg KH <gregkh@...uxfoundation.org>, "w@....eu" <w@....eu>,
        "julia.lawall@...6.fr" <julia.lawall@...6.fr>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Ksummit-discuss] bug-introducing patches

On Thu, May 03, 2018 at 11:05:50AM +0900, Mark Brown wrote:
> On Wed, May 02, 2018 at 07:46:34PM +0000, Sasha Levin wrote:
> 
> > As you said, the regression should be fixed "asap", not "immediately".
> > It should go through some sort of review and testing the maintainers are
> > happy with, but unfourtenately it doesn't happen now.
> 
> Doesn't happen some of the time.  It's not like this is a universal
> problem.
> 
> Especially for driver specific things there's at times no realistic
> prospect of getting useful independent review of fixes, the hardware
> isn't always widely available and if the fix isn't a pure software thing
> at some point you just have to trust the judgement of the vendor.

And sometimes the Demon Murphy will cause a regression fix for user A,
to cause breakage for slightly different hardware belonging to user B.  :-(

   	 	      	       		 - Ted