linux-kernel - Re: [PATCH 3.18 14/83] ARM: make lookup_processor_type() non-_

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Message-ID: <20181202161535.GA27166@kroah.com>
Date:   Sun, 2 Dec 2018 17:15:35 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     Russell King - ARM Linux <linux@...linux.org.uk>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Julien Thierry <julien.thierry@....com>
Subject: Re: [PATCH 3.18 14/83] ARM: make lookup_processor_type() non-__init

On Sun, Dec 02, 2018 at 10:17:32AM -0500, Sasha Levin wrote:
> On Fri, Nov 30, 2018 at 04:18:43PM +0100, Greg Kroah-Hartman wrote:
> > On Fri, Nov 30, 2018 at 04:15:54PM +0100, Greg Kroah-Hartman wrote:
> > > On Thu, Nov 29, 2018 at 02:28:18PM +0000, Russell King - ARM Linux wrote:
> > > > Hi,
> > > >
> > > > As I've already fed back to Sascha about this, this patch on its own
> > > > does not fix anything, and is not a stable kernel candidate without
> > > > a patch that makes use of it (iow, the spectre fixes.)  It is a
> > > > preparatory patch for mainline commit 383fb3ee8024.
> > > >
> > > > Every commit in:
> > > >
> > > > $ git rev-list v4.16..383fb3ee8024
> > > >
> > > > are the ARM spectre fixes, which are being back-ported by David Long.
> > > >
> > > > Please do not cherry-pick commits from within this series for _any_
> > > > stable kernel, but please wait for David to send you the back-ported
> > > > patches.
> > > 
> > > Ugh, ok, that's a bunch here.
> > 
> > Ok, not that bad, only 4:
> > 	383fb3ee8024 ("ARM: spectre-v2: per-CPU vtables to work around big.Little systems")
> > 	e209950fdd06 ("ARM: add PROC_VTABLE and PROC_TABLE macros")
> > 	945aceb1db88 ("ARM: clean up per-processor check_bugs method call")
> > 	899a42f83667 ("ARM: make lookup_processor_type() non-__init")
> > 
> > I'll go drop them all from the trees now.  Turns out for 4.14 one of
> > these patches broke the build anyway.  Sasha, how did that past your
> > builder tests?
> 
> Because it builds :)

Really?  It broke Guenter's builds...