On Mon, Jul 14, 2008 at 11:48:18PM +0100, Rui Nuno Capela wrote:
> Florian Schmidt wrote:
> > Hi Ken,
> >
> > On Monday 14 July 2008, Ken Restivo wrote:
> >> Linux version 2.6.21-rt1-1 (root@email-addr-hidden) (gcc version 4.1.2 20061115
> > ^^^^^The version string shows it though :)
> >
> >> (prerelease) (Debian 4.1.1-21)) #1 SMP PREEMPT Thu May 3 00:41:41 PDT 2007
> >>
> >>
> >> No "RT" there, but I definitely know it is an RT kernel, because I patched
> >> it myself.
> >
>
> i'm afraid you're betting on the wrong horse :)
>
> you could have patched it alright (no doubt about that) and also set
> EXTRAVERSION with the "-rt1-1" suffix, but, unless you've set
> CONFIG_PREEMPT_RT=y you're not running a full-preeept RT kernel, that's
> for sure.
>
> afaict, when one talks about a RT linux kernel, he/she's meaning that
> CONFIG_PREEMPT_RT=y and then, trust me, the "RT" will appear in the
> `uname -a` line output.
>
On my laptop, CONFIG_PREEMPT_RT is set, but no "RT" appears in the uname -a line.
It's definitely a RT kernel. I've been running it for a year now.
-ken
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Received on Wed Jul 16 00:15:04 2008
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