From: Jens Axboe <jens.axboe@oracle.com>
To: Anton Blanchard <anton@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>,
miltonm@bga.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] generic-ipi: Use DEFINE_PER_CPU_SHARED_ALIGNED for IPI data
Date: Mon, 18 Jan 2010 08:27:01 +0100 [thread overview]
Message-ID: <20100118072700.GC13771@kernel.dk> (raw)
In-Reply-To: <20100118020051.GR12666@kryten>
On Mon, Jan 18 2010, Anton Blanchard wrote:
> From: Milton Miller <miltonm@bga.com>
>
> The smp ipi data is passed around and given write access by other cpus
> and should be seperated from per-cpu data consumed by this cpu.
>
> Looking for hot lines, I saw call_function_data shared with tick_cpu_sched.
Looks good to me.
Acked-by: Jens Axboe <jens.axboe@oracle.com>
--
Jens Axboe
next prev parent reply other threads:[~2010-01-18 7:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-18 2:00 [PATCH] generic-ipi: Use DEFINE_PER_CPU_SHARED_ALIGNED for IPI data Anton Blanchard
2010-01-18 7:27 ` Jens Axboe [this message]
2010-01-19 14:22 ` [tip:core/ipi] generic-ipi: Optimize accesses by using " tip-bot for Milton Miller
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