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From: Stephen Rothwell <sfr@canb.auug.org.au>
To: peterz@infradead.org
Cc: Qian Cai <caiqian@redhat.com>, Qian Cai <cai@redhat.com>,
	Boqun Feng <boqun.feng@gmail.com>,
	"Ahmed S. Darwish" <a.darwish@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Sebastian A. Siewior" <bigeasy@linutronix.de>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-next@vger.kernel.org, Waiman Long <longman@redhat.com>
Subject: Re: [PATCH v2 0/5] seqlock: Introduce PREEMPT_RT support
Date: Thu, 17 Sep 2020 12:31:46 +1000
Message-ID: <20200917123146.1ddc2f6d@canb.auug.org.au> (raw)
In-Reply-To: <20200916130233.GS2674@hirez.programming.kicks-ass.net>


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Hi all,

On Wed, 16 Sep 2020 15:02:33 +0200 peterz@infradead.org wrote:
>
> On Wed, Sep 16, 2020 at 09:00:59AM -0400, Qian Cai wrote:
> > 
> > 
> > ----- Original Message -----  
> > > On Wed, Sep 16, 2020 at 08:52:07AM -0400, Qian Cai wrote:  
> > > > On Tue, 2020-09-15 at 16:30 +0200, peterz@infradead.org wrote:  
> > > > > On Tue, Sep 15, 2020 at 08:48:17PM +0800, Boqun Feng wrote:  
> > > > > > I think this happened because seqcount_##lockname##_init() is defined
> > > > > > at
> > > > > > function rather than macro, so when the seqcount_init() gets expand in  
> > > > > 
> > > > > Bah! I hate all this :/
> > > > > 
> > > > > I suspect the below, while more verbose than I'd like is the best
> > > > > option.  
> > > > 
> > > > Stephen, can you add this patch for now until Peter beats you to it?  
> > > 
> > > Did you verify it works? I only wrote it..  
> > 
> > Yes, I did.  
> 
> Excellent, I'll stick a Tested-by from you on then.

I'll add this into the tip tree merge today (unless the tip tree is
updated in the mean time).

-- 
Cheers,
Stephen Rothwell

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  reply index

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-04 15:32 Ahmed S. Darwish
2020-09-04 15:32 ` [PATCH v2 1/5] seqlock: seqcount_LOCKNAME_t: Standardize naming convention Ahmed S. Darwish
2020-09-10 15:08   ` [tip: locking/core] " tip-bot2 for Ahmed S. Darwish
2020-09-04 15:32 ` [PATCH v2 2/5] seqlock: Use unique prefix for seqcount_t property accessors Ahmed S. Darwish
2020-09-08 11:41   ` peterz
2020-09-10 15:08   ` [tip: locking/core] " tip-bot2 for Ahmed S. Darwish
2020-09-04 15:32 ` [PATCH v2 3/5] seqlock: seqcount_t: Implement all read APIs as statement expressions Ahmed S. Darwish
2020-09-10 15:08   ` [tip: locking/core] " tip-bot2 for Ahmed S. Darwish
2020-09-04 15:32 ` [PATCH v2 4/5] seqlock: seqcount_LOCKNAME_t: Introduce PREEMPT_RT support Ahmed S. Darwish
2020-09-08 11:45   ` peterz
2020-09-08 12:48     ` Ahmed S. Darwish
2020-09-04 15:32 ` [PATCH v2 5/5] seqlock: PREEMPT_RT: Do not starve seqlock_t writers Ahmed S. Darwish
2020-09-10 15:08   ` [tip: locking/core] " tip-bot2 for Ahmed S. Darwish
2020-09-15  0:20 ` [PATCH v2 0/5] seqlock: Introduce PREEMPT_RT support Qian Cai
2020-09-15 12:48   ` Boqun Feng
2020-09-15 13:10     ` Boqun Feng
2020-09-15 14:30     ` peterz
2020-09-16 12:52       ` Qian Cai
2020-09-16 12:54         ` peterz
2020-09-16 13:00           ` Qian Cai
2020-09-16 13:02             ` peterz
2020-09-17  2:31               ` Stephen Rothwell [this message]
2020-09-18  8:42       ` [tip: locking/core] seqlock: Unbreak lockdep tip-bot2 for peterz@infradead.org

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