linux-kernel - Re: [kvm-devel] [PATCH 4/7] SMP: Implement on_one

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Message-ID: <46559638.6@qumranet.com>
Date:	Thu, 24 May 2007 16:42:16 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
CC:	kvm-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	lhcs-devel@...ts.sourceforge.net
Subject: Re: [kvm-devel] [PATCH 4/7] SMP: Implement on_one_cpu()

Heiko Carstens wrote:
> On Thu, May 24, 2007 at 03:10:12PM +0300, Avi Kivity wrote:
>   
>> This defines on_one_cpu() which is similar to smp_call_function_single()
>> except that it works if cpu happens to be the current cpu.  Can also be
>> seen as a complement to on_each_cpu() (which also doesn't treat the
>> current cpu specially).
>>
>> Signed-off-by: Avi Kivity <avi@...ranet.com>
>> ---
>>  include/linux/smp.h |   15 +++++++++++++++
>>  kernel/softirq.c    |   24 ++++++++++++++++++++++++
>>  2 files changed, 39 insertions(+), 0 deletions(-)
>>
>> +/*
>> + * Call a function on one processor
>> + */
>> +int on_one_cpu(int cpu, void (*func)(void *info), void *info,
>> +	       int retry, int wait);
>>
>>     
>
> Would you mind renaming that one to simply 'on_cpu'? It's even shorter and
> clearly everybody will know what its purpose is. Also I doubt we will ever
> have something like 'on_two_cpus'.
>   

That was my first choice, but then I went for symmetry with 
on_each_cpu().  I'll rename it to on_cpu() unless there are objections.


-- 
error compiling committee.c: too many arguments to function

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