From: Philippe Gerum <rpm@xenomai.org>
To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: adeos-main <adeos-main@gna.org>
Subject: Re: [Adeos-main] [PATCH] x86: Don't instrument vdso functions
Date: Sun, 19 Oct 2008 19:52:04 +0200 [thread overview]
Message-ID: <48FB73C4.4090408@domain.hid> (raw)
In-Reply-To: <48FB6D40.5090903@domain.hid>
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.
--
Philippe.
next prev parent reply other threads:[~2008-10-19 17:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-19 17:07 [Adeos-main] [PATCH] x86: Don't instrument vdso functions Jan Kiszka
2008-10-19 17:24 ` Gilles Chanteperdrix
2008-10-19 17:51 ` Jan Kiszka
2008-10-19 17:52 ` Philippe Gerum [this message]
2008-10-19 17:56 ` Gilles Chanteperdrix
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