From: Frederic Weisbecker <frederic@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@kernel.org, linux-kernel@vger.kernel.org, will@kernel.org,
paulmck@kernel.org, hch@lst.de, axboe@kernel.dk,
chris@chris-wilson.co.uk, davem@davemloft.net, kuba@kernel.org,
fweisbec@gmail.com, oleg@redhat.com, vincent.guittot@linaro.org
Subject: Re: [PATCH v3 5/6] irq_work: Provide irq_work_queue_remote()
Date: Wed, 28 Oct 2020 15:56:37 +0100 [thread overview]
Message-ID: <20201028145637.GF229044@lothringen> (raw)
In-Reply-To: <20201028145324.GD2628@hirez.programming.kicks-ass.net>
On Wed, Oct 28, 2020 at 03:53:24PM +0100, Peter Zijlstra wrote:
> On Wed, Oct 28, 2020 at 02:40:46PM +0100, Frederic Weisbecker wrote:
> > On Wed, Oct 28, 2020 at 12:07:12PM +0100, Peter Zijlstra wrote:
> > > While the traditional irq_work relies on the ability to self-IPI, it
> > > makes sense to provide an unconditional irq_work_queue_remote()
> > > interface.
> >
> > We may need a reason as well here.
>
> Rewrote it like so.
> ---
>
> While the traditional irq_work relies on the ability to self-IPI, the
> remote irq_work only requires generic SMP bits and can thus be made
> available unconditionally.
Thanks!
next prev parent reply other threads:[~2020-10-28 22:20 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-28 11:07 [PATCH v3 0/6] smp: irq_work / smp_call_function rework Peter Zijlstra
2020-10-28 11:07 ` [PATCH v3 1/6] irq_work: Cleanup Peter Zijlstra
2020-10-28 13:01 ` Frederic Weisbecker
2020-10-28 11:07 ` [PATCH v3 2/6] smp: Cleanup smp_call_function*() Peter Zijlstra
2020-10-28 13:25 ` Frederic Weisbecker
2020-10-28 11:07 ` [PATCH v3 3/6] irq_work: Optimize irq_work_single() Peter Zijlstra
2020-10-28 12:06 ` Frederic Weisbecker
2020-10-28 11:07 ` [PATCH v3 4/6] irq_work: Unconditionally build on SMP Peter Zijlstra
2020-10-28 13:34 ` Frederic Weisbecker
2020-10-28 14:52 ` Peter Zijlstra
2020-10-28 11:07 ` [PATCH v3 5/6] irq_work: Provide irq_work_queue_remote() Peter Zijlstra
2020-10-28 13:40 ` Frederic Weisbecker
2020-10-28 14:38 ` Peter Zijlstra
2020-10-28 14:53 ` Peter Zijlstra
2020-10-28 14:56 ` Frederic Weisbecker [this message]
2020-10-28 11:07 ` [RFC][PATCH v3 6/6] rcu/tree: Use irq_work_queue_remote() Peter Zijlstra
2020-10-28 14:54 ` Peter Zijlstra
2020-10-28 20:02 ` Peter Zijlstra
2020-10-28 20:15 ` Paul E. McKenney
2020-10-29 9:10 ` Peter Zijlstra
2020-10-29 16:04 ` Paul E. McKenney
2020-10-29 16:14 ` Peter Zijlstra
2020-10-29 9:15 ` Peter Zijlstra
2020-10-29 16:06 ` Paul E. McKenney
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