linux-kernel - Re: [PATCH 4.19 000/170] 4.19.14-stable review

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Date:   Wed, 9 Jan 2019 15:38:40 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Breno Leitao <leitao@...ian.org>, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        shuah@...nel.org, patches@...nelci.org,
        ben.hutchings@...ethink.co.uk, lkft-triage@...ts.linaro.org,
        stable@...r.kernel.org
Subject: Re: [PATCH 4.19 000/170] 4.19.14-stable review

On Tue, Jan 08, 2019 at 10:29:38AM -0800, Guenter Roeck wrote:
> On Tue, Jan 08, 2019 at 07:13:22PM +0100, Greg Kroah-Hartman wrote:
> > On Tue, Jan 08, 2019 at 10:09:51AM -0800, Guenter Roeck wrote:
> > > On Tue, Jan 08, 2019 at 06:56:40PM +0100, Greg Kroah-Hartman wrote:
> > > > On Tue, Jan 08, 2019 at 09:25:03AM -0800, Guenter Roeck wrote:
> > > > > On Mon, Jan 07, 2019 at 01:30:27PM +0100, Greg Kroah-Hartman wrote:
> > > > > > This is the start of the stable review cycle for the 4.19.14 release.
> > > > > > There are 170 patches in this series, all will be posted as a response
> > > > > > to this one.  If anyone has any issues with these being applied, please
> > > > > > let me know.
> > > > > > 
> > > > > > Responses should be made by Wed Jan  9 10:43:54 UTC 2019.
> > > > > > Anything received after that time might be too late.
> > > > > > 
> > > > > 
> > > > > Still (for v4.19.13-171-gc68ce175c3b8):
> > > > > 
> > > > > arch/powerpc/kernel/signal_64.c: In function ‘sys_rt_sigreturn’:
> > > > > arch/powerpc/kernel/signal_64.c:761:21: error: ‘msr’ undeclared 
> > > > > 
> > > > > AFAICS commit 5c784c8414fba ("powerpc/tm: Remove msr_tm_active()") is missing.
> > > > 
> > > > Breno on this thread just said that this patch should not be applied,
> > > > and another one will be submitted upstream instead to solve the problem
> > > > correctly and then we can backport it.
> > > > 
> > > > So we can live with this build issue for now.
> > > > 
> > > 
> > > I think you should drop the offending patch in this case. It doesn't make
> > > sense to keep it - all it accomplishes is to break various builds. What is
> > > the point of doing that ? Is that somehow better than living with the bug
> > > it is supposed to fix ?
> > 
> > That's what the developers involved seem to say.
> > 
> That will prevent anyone affected from actually using 4.19.14, and earlier
> kernels will still have the problem people are now so concerned about.
> In other words, this will accomplish exactly nothig except confirm the
> notion that stable releases are not well tested. I _really_ don't get
> the point, sorry.

No, you are right, we shouldn't include stuff we know is broken for a
large group.  I've dropped the patch now from everywhere.

thanks,

greg k-h