Date: Sun, 20 Sep 2009 20:44:07 +0200 From: Alexander Leidinger <Alexander@Leidinger.net> To: Roman Divacky <rdivacky@freebsd.org> Cc: Alexander Best <alexbestms@math.uni-muenster.de>, freebsd-emulation@freebsd.org Subject: Re: compat.linux.osrelease behavior Message-ID: <20090920204407.0000383a@unknown> In-Reply-To: <20090920063017.GA12687@freebsd.org> References: <permail-20090918130831f0889e8400005dd6-a_best01@message-id.uni-muenster.de> <20090919223624.00004f42@unknown> <20090920063017.GA12687@freebsd.org>
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On Sun, 20 Sep 2009 08:30:17 +0200 Roman Divacky <rdivacky@freebsd.org> wrote: > On Sat, Sep 19, 2009 at 10:36:24PM +0200, Alexander Leidinger wrote: > > On Fri, 18 Sep 2009 15:08:31 +0200 (CEST) Alexander Best > > <alexbestms@math.uni-muenster.de> wrote: > > > > > > > hi there, > > > > > > i have a question regarding the behavior of > > > compat.linux.osrelease. setting it to 2.4.2 sets linuxulator into > > > 2.4 kernel-emulation and 2.6.16 sets it into 2.6 kernel-emulation > > > right? > > > > Sort of. 2.6.x set's 2.6 mode, and everything else is 2.4 mode. But > > this is AFAIK only a semantic change of some functions. This does > > not disable syscalls which are in 2.6 but not in 2.4. > > > > > but what happens when compat.linux.osrelease gets set to a > > > different value? ports/Updating entry 20071101 e.g. advises skype > > > users to set compat.linux.osrelease to 2.4.20. does this trigger > > > 2.6 kernel-emulation because 2.4.20 > 2.4.2 or are there more > > > than two kernel-emulation layers inside the linuxulator?? > > > > It does not affect the kernel emulation. But the glibc will try to > > use new syscalls. > > actually it does change how the kernel emulation works. grep for > linux_use26() I don't find the place where the behavior is changed when 2.4.20 is set... I only see a change when it is set to 2.6.x. Bye, Alexander.
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