From: Avi Kivity <avi@qumranet.com>
To: Andi Kleen <ak@suse.de>
Cc: Nick Piggin <npiggin@suse.de>, Ingo Molnar <mingo@elte.hu>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-arch@vger.kernel.org
Subject: Re: [rfc][patch] x86-64 new smp_call_function design
Date: Sun, 16 Mar 2008 16:33:37 +0200 [thread overview]
Message-ID: <47DD2FC1.8040106@qumranet.com> (raw)
In-Reply-To: <47C5668C.6040906@suse.de>
Andi Kleen wrote:
>
>>>> As far as I understand, calling a subset of online CPUs that is not all or
>>>> one, is used quite infrequently, so this might be OK.
>>>>
>>> With cpusets and isolation etc. it is the normal case.
>>>
>> Oh really? Coming from what callers?
>>
>
> The isolation work is not merged yet, but it will essentially need
> to turn a lot of the _call_function()s into _call_function_mask()
>
kvm is also a heavy user of smp_call_function_mask(); if you run
multiple smp guests you'll see plenty of disjoint smp_call_function_mask()s.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2008-03-16 14:33 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-27 12:42 [rfc][patch] x86-64 new smp_call_function design Nick Piggin
2008-02-27 13:04 ` Andi Kleen
2008-02-27 13:07 ` Nick Piggin
2008-02-27 13:33 ` Andi Kleen
2008-03-16 14:33 ` Avi Kivity [this message]
2008-02-27 13:27 ` Ingo Molnar
2008-02-27 13:50 ` Nick Piggin
2008-02-27 15:02 ` Ingo Molnar
2008-02-27 22:14 ` Nick Piggin
2008-02-28 8:45 ` Ingo Molnar
2008-02-28 12:55 ` Andi Kleen
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