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From: Boqun Feng <boqun.feng@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
	linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	Ingo Molnar <mingo@kernel.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Will Deacon <will.deacon@arm.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Waiman Long <waiman.long@hp.com>,
	Davidlohr Bueso <dave@stgolabs.net>,
	stable@vger.kernel.org
Subject: Re: [PATCH RESEND v3 1/6] powerpc: atomic: Make *xchg and *cmpxchg a full barrier
Date: Wed, 14 Oct 2015 17:26:53 +0800	[thread overview]
Message-ID: <20151014092653.GA29432@fixme-laptop.cn.ibm.com> (raw)
In-Reply-To: <20151014080613.GP17308@twins.programming.kicks-ass.net>

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On Wed, Oct 14, 2015 at 10:06:13AM +0200, Peter Zijlstra wrote:
> On Wed, Oct 14, 2015 at 08:51:34AM +0800, Boqun Feng wrote:
> > On Wed, Oct 14, 2015 at 11:10:00AM +1100, Michael Ellerman wrote:
> 
> > > Thanks for fixing this. In future you should send a patch like this as a
> > > separate patch. I've not been paying attention to it because I assumed it was
> > 
> > Got it. However, here is the thing, in previous version, this fix
> > depends on some of other patches in this patchset. So to make this fix
> > applied cleanly, I reorder my patchset to put this patch first, and the
> > result is that some of other patches in this patchset depends on
> > this(they need to remove code modified by this patch).
> > 
> > So I guess I'd better to stop Cc stable for this one, and wait until
> > this patchset merged and send a separate patch for -stable tree. Does
> > that work for you? I think this is what Peter want to suggests me to do
> > when he asked me about this, right, Peter?
> 
> I don't think I had explicit thoughts about any of that, just that it
> might make sense to have this patch not depend on the rest such that it
> could indeed be stuffed into stable.
> 

Got that. Sorry for misunderstanding you...

> I'll leave the details up to Michael since he's PPC maintainer.

Michael and Peter, rest of this patchset depends on commits which are
currently in the locking/core branch of the tip, so I would like it as a
whole queued there. Besides, I will keep this patch Cc'ed to stable in
future versions, that works for you both?

Regards,
Boqun

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  reply	other threads:[~2015-10-14  9:27 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-12 14:14 [PATCH v3 0/6] atomics: powerpc: Implement relaxed/acquire/release variants of some atomics Boqun Feng
2015-10-12 14:14 ` [PATCH v3 1/6] powerpc: atomic: Make *xchg and *cmpxchg a full barrier Boqun Feng
2015-10-12 14:23   ` Boqun Feng
2015-10-12 14:14 ` [PATCH v3 2/6] atomics: Add test for atomic operations with _relaxed variants Boqun Feng
     [not found]   ` <201510122205.Uu3yljqf%fengguang.wu@intel.com>
     [not found]     ` <20151012145652.GJ27351@fixme-laptop.cn.ibm.com>
2015-10-12 15:29       ` [lkp] " Fengguang Wu
2015-10-12 15:42         ` Boqun Feng
2015-10-12 16:02           ` [kbuild-all] " Fengguang Wu
2015-10-12 16:09             ` Fengguang Wu
2015-10-13  1:33             ` Boqun Feng
2015-10-12 14:14 ` [PATCH v3 3/6] atomics: Allow architectures to define their own __atomic_op_* helpers Boqun Feng
2015-10-12 14:14 ` [PATCH v3 4/6] powerpc: atomic: Implement atomic{,64}_*_return_* variants Boqun Feng
2015-10-12 14:14   ` [PATCH v3 4/6] powerpc: atomic: Implement atomic{, 64}_*_return_* variants Boqun Feng
2015-10-13 13:21   ` [PATCH v3 4/6] powerpc: atomic: Implement atomic{,64}_*_return_* variants Will Deacon
2015-10-13 13:21     ` [PATCH v3 4/6] powerpc: atomic: Implement atomic{, 64}_*_return_* variants Will Deacon
2015-10-13 13:35     ` [PATCH v3 4/6] powerpc: atomic: Implement atomic{,64}_*_return_* variants Boqun Feng
2015-10-13 13:35       ` [PATCH v3 4/6] powerpc: atomic: Implement atomic{, 64}_*_return_* variants Boqun Feng
2015-10-14  1:00       ` [PATCH v3 4/6] powerpc: atomic: Implement atomic{,64}_*_return_* variants Boqun Feng
2015-10-14  1:00         ` [PATCH v3 4/6] powerpc: atomic: Implement atomic{, 64}_*_return_* variants Boqun Feng
2015-10-12 14:14 ` [PATCH v3 5/6] powerpc: atomic: Implement xchg_* and atomic{,64}_xchg_* variants Boqun Feng
2015-10-12 14:14   ` [PATCH v3 5/6] powerpc: atomic: Implement xchg_* and atomic{, 64}_xchg_* variants Boqun Feng
2015-10-12 14:14 ` [PATCH v3 6/6] powerpc: atomic: Implement cmpxchg{,64}_* and atomic{,64}_cmpxchg_* variants Boqun Feng
2015-10-12 14:14   ` [PATCH v3 6/6] powerpc: atomic: Implement cmpxchg{, 64}_* and atomic{, 64}_cmpxchg_* variants Boqun Feng
2015-10-13 13:24   ` [PATCH v3 6/6] powerpc: atomic: Implement cmpxchg{,64}_* and atomic{,64}_cmpxchg_* variants Will Deacon
2015-10-13 14:32     ` Boqun Feng
2015-10-13 14:43       ` Will Deacon
2015-10-13 14:58         ` Boqun Feng
2015-10-13 15:04           ` Will Deacon
2015-10-13 15:45             ` Boqun Feng
2015-10-14  1:47             ` Boqun Feng
2015-10-14  9:40               ` Will Deacon
2015-10-13 14:46       ` Boqun Feng
2015-10-12 14:30 ` [PATCH RESEND v3 1/6] powerpc: atomic: Make *xchg and *cmpxchg a full barrier Boqun Feng
2015-10-14  0:10   ` Michael Ellerman
2015-10-14  0:51     ` Boqun Feng
2015-10-14  8:06       ` Peter Zijlstra
2015-10-14  9:26         ` Boqun Feng [this message]
2015-10-14  9:33           ` Peter Zijlstra
2015-10-14  9:43             ` Michael Ellerman
2015-10-13 12:27 ` [PATCH v3 0/6] atomics: powerpc: Implement relaxed/acquire/release variants of some atomics Peter Zijlstra
2015-10-13 15:46   ` Paul E. McKenney

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