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Date: Sun, 19 Oct 2008 19:56:06 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Adeos-main] [PATCH] x86: Don't instrument vdso functions
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Philippe Gerum wrote:
> Gilles Chanteperdrix wrote:
>> Jan Kiszka wrote:
>>> The mcount instrumentation is currently leaking into vdso functions.
>>> Patch below fixes this (bits taken from 2.6.27).
>> What are these vdso functions? Functions called from user-space?
>>
> 
> Yes. Bits of kernel code mapped into user-space to eliminate the need for
> reaching them via syscalls.

They have copied it from ARM or Blackfin!

-- 
					    Gilles.