Re: To make a function get executed on cpu2

Herbert Xu (herbert@gondor.apana.org.au)
Wed, 02 Jul 2003 20:03:24 +1000


Zwane Mwaikambo <zwane@arm.linux.org.uk> wrote:
> On Mon, 30 Jun 2003, Raghava Raju wrote:
>
>> In multicpu systems in kernel version 2.4.19, how
>> can we specify that a function be executed on
>> a cpu of our choice(say cpu_2). Moreover if I call a
>> function from cpu_1 to be executed on cpu_2, I dont
>> want to wait in cpu_1 until complete execution of
>> function on cpu_2 . Is it possible?????
>>
>> Any example would be really helpful. Please
>> mail back to vraghava_raju@yahoo.com.
>
> You can't really do it portably across all architectures, Alpha has
> smp_call_function_on_cpu which would allow you to do this. If you're

Surely you can emulate it using smp_call_function and make it return
straight away if it runs on the wrong CPU.

-- 
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Email:  Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
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