Messages in this thread |  | | Subject | Re: 2.6.20-git: undefined reference to `smp_call_function_single' | From | Thomas Gleixner <> | Date | Sat, 17 Feb 2007 19:42:38 +0100 |
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On Sat, 2007-02-17 at 12:25 -0600, James Bottomley wrote: > > Yup, this obscure machine is missing smp_call_function_single(). > > > > James ? > > Where's this coming from? smp_call_function_single() is an obscure kvm > only API think for x86/ia64 ... it's not supported on any other > architecure. The symbol you have is blowing up in the kernel > subdirectory which suggests someone has tried to use it in generic code, > which will fail to compile on a lot more than voyager and parisc ...
smp_call_function_single() was added with commit: eaa70773e750cc09d60938bceacd028bc76b8e3a
[PATCH] i386: add smp_call_function_single
Continiung the series of small patches necessary for the perfmon subsystem, here is a patch that adds support for the smp_call_function_single() function for i386. It exists for almost all other architectures but i386. The perfmon subsystem needs it in one case to free some state on a designated remote CPU.
It's not an obscure kvm API :) But the claim that it is available on almost all other architectures but i386 is wrong. Only x86_64, ia64 and i386 have it.
The function is defined in include/linux/smp.h and there is no indication that it is an architecture specific thingy. What a steaming pile of ....
/me grumbles
tglx
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