From: Ingo Molnar <mingo@elte.hu>
To: Andi Kleen <ak@suse.de>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, ashok.raj@intel.com
Subject: Re: [patch] genapic: optimize & fix APIC mode setup
Date: Mon, 13 Nov 2006 20:08:57 +0100 [thread overview]
Message-ID: <20061113190857.GA29904@elte.hu> (raw)
In-Reply-To: <20061113163216.GA3480@elte.hu>
* Ingo Molnar <mingo@elte.hu> wrote:
> [...] If something is cheap then other costs added to (such as
> cpu-mask scanning, and passing around the cpumask) definitely do
> matter.
btw., i dont claim this is a big issue - we could solve this for the
common case even in physical delivery mode by adding a 'single IPI
delivery' callback to the genapic methods. That could be used by the
reschedule IPI for example.
Ingo
next prev parent reply other threads:[~2006-11-13 19:09 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-11 15:14 [patch] genapic: optimize & fix APIC mode setup Ingo Molnar
2006-11-11 15:20 ` Andi Kleen
2006-11-11 15:27 ` Ingo Molnar
2006-11-11 15:39 ` Ingo Molnar
2006-11-13 1:50 ` Siddha, Suresh B
2006-11-13 2:32 ` Andi Kleen
2006-11-13 8:16 ` Ingo Molnar
2006-11-13 9:08 ` Andi Kleen
2006-11-13 14:05 ` Ingo Molnar
2006-11-13 14:29 ` Andi Kleen
2006-11-13 15:04 ` Ingo Molnar
2006-11-13 16:10 ` Andi Kleen
2006-11-13 16:32 ` Ingo Molnar
2006-11-13 18:03 ` Siddha, Suresh B
2006-11-13 18:42 ` Ingo Molnar
2006-11-13 18:30 ` Siddha, Suresh B
2006-11-13 19:04 ` Ingo Molnar
2006-11-13 18:58 ` Siddha, Suresh B
2006-11-13 19:31 ` Ashok Raj
2006-11-13 19:08 ` Ingo Molnar [this message]
2006-11-13 14:14 ` Ingo Molnar
2006-11-13 8:43 ` Ingo Molnar
2006-11-13 17:34 ` Siddha, Suresh B
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