From: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
To: Peter Zijlstra <peterz@infradead.org>
Cc: kbuild test robot <lkp@intel.com>,
kbuild-all@01.org, Stafford Horne <shorne@gmail.com>,
Will Deacon <will.deacon@arm.com>,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
Jonas Bonn <jonas@southpole.se>,
Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>,
David Howells <dhowells@redhat.com>,
Arnd Bergmann <arnd@arndb.de>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: asm-generic: Disallow no-op mb() for SMP systems
Date: Fri, 2 Feb 2018 21:08:20 +0000 [thread overview]
Message-ID: <20180202210820.48ed7f87@alans-desktop> (raw)
In-Reply-To: <20180202202549.GT2269@hirez.programming.kicks-ass.net>
On Fri, 2 Feb 2018 21:25:49 +0100
Peter Zijlstra <peterz@infradead.org> wrote:
> On Sat, Feb 03, 2018 at 04:00:35AM +0800, kbuild test robot wrote:
> > Hi Peter,
> >
> > I love your patch! Yet something to improve:
>
> Seriously? Bots have feelings?
>
> > [auto build test ERROR on asm-generic/master]
> > [also build test ERROR on v4.15 next-20180202]
> > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> >
> > url: https://github.com/0day-ci/linux/commits/Peter-Zijlstra/asm-generic-Disallow-no-op-mb-for-SMP-systems/20180203-000108
> > base: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master
> > config: m32r-usrv_defconfig (attached as .config)
> > compiler: m32r-linux-gcc (GCC) 7.2.0
>
> Awesome, another broken architecture.. and this one is Orphaned :-(
> No maintainer to bug..
Renesas claim to still support the processor family so perhaps they can
provide a maintainer if you instead submit a patch to remove it from the
tree ;-)
>From the documentation however the processor only does explicit dual
issue instructions, and the SMP is cache coherent so I'm not convinced
there is a problem with it.
Alan
next prev parent reply other threads:[~2018-02-02 21:09 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-31 13:00 asm-generic: Disallow no-op mb() for SMP systems Peter Zijlstra
2018-01-31 13:17 ` Will Deacon
2018-01-31 13:26 ` Peter Zijlstra
2018-02-01 12:27 ` Stafford Horne
2018-02-01 13:29 ` Peter Zijlstra
2018-02-01 13:32 ` Will Deacon
2018-02-01 13:53 ` Peter Zijlstra
2018-02-01 15:39 ` Will Deacon
2018-02-01 15:50 ` Peter Zijlstra
2018-02-01 15:52 ` Peter Zijlstra
2018-02-02 13:48 ` Stafford Horne
2018-02-02 19:14 ` kbuild test robot
2018-02-03 11:43 ` Peter Zijlstra
2018-02-02 20:00 ` kbuild test robot
2018-02-02 20:25 ` Peter Zijlstra
2018-02-02 21:08 ` Alan Cox [this message]
2018-02-03 11:42 ` Peter Zijlstra
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