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Re: very slow usb 2.0



I don't know of that the kernel is faster if you don't use modules, I
seriously doubt its true and for your case it would work much better
-- the module is only loaded once and then its in memory.

on Sunday 09/25/2005 Roberto Winter(rhwinter@gmail.com) wrote
 > yeah, I found this: (here:
 > http://www.lugod.org/mailinglists/archives/vox-tech/2005-08/msg00024.html)
 > To blacklist a module I believe you just add it to
 > /etc/hotplug/blacklist. But in the case of ub vs. usb-storage, simply
 > blacklisting or hiding the ub module won't do. You actually have to
 > rebuild your modules after disabling CONFIG_BLK_DEV_UB.
 > 
 > guess I'll recompile the kernel!...
 > 
 > someone once told me that not having the modules would make my kernel
 > faster... is that not true?
 > recently I have questioned this approach as I had to compile the kernel over
 > and over.
 > should I just go back to modules?
 > 
 > thanks a lot!!!
 > roberto.
 > 
 > On 9/25/05, Hendrik Sattler <post@hendrik-sattler.de> wrote:
 > >
 > > Am Sonntag, 25. September 2005 22:26 schrieb Roberto Winter:
 > > > First of all I do have hci-hcd, ehci-hcd, and usb-storage compiled in
 > > the
 > > > kernel. Not as modules though, but that doesn't make a difference.
 > > > The thing is that I also hav UB compiled and it is not a module, so I
 > > can't
 > > > simply unload it. Is there a way to tell the kernel not to load it?
 > > > How do I use hotplug for that? Can someone point me a good reference
 > > > maybe?... Can I use modutils blacklisting in that case?
 > >
 > > In this case, you have to recompile your kernel.
 > > One more point for using modules. One more point for only compiling in
 > > stuff
 > > that you know that you'll need it.
 > >
 > HS
 > >
 > > --
 > > Mein GPG-Key ist auf meiner Homepage verfügbar:
 > > http://www.hendrik-sattler.de
 > > oder über pgp.net <http://pgp.net>
 > >
 > > PingoS - Linux-User helfen Schulen: http://www.pingos.org
 > >
 > yeah, I found this: (here: <a href="http://www.lugod.org/mailinglists/archives/vox-tech/2005-08/msg00024.html";>http://www.lugod.org/mailinglists/archives/vox-tech/2005-08/msg00024.html</a>)<br>
 > <span style="font-style: italic;">To blacklist a module I believe you just add it to</span><br style="font-style: italic;">
 > <span style="font-style: italic;">/etc/hotplug/blacklist.&nbsp; But in the case of ub vs. usb-storage, simply</span><br style="font-style: italic;">
 > <span style="font-style: italic;">blacklisting or hiding the ub module won't do.&nbsp; You actually have to</span><br style="font-style: italic;">
 > <span style="font-style: italic;">rebuild your modules after disabling CONFIG_BLK_DEV_UB.</span><br>
 > <br>
 > guess I'll recompile the kernel!...<br>
 > <br>
 > someone once told me that not having the modules would make my kernel faster... is that not true?<br>
 > recently I have questioned this approach as I had to compile the kernel over and over.<br>
 > should I just go back to modules?<br>
 > <br>
 > thanks a lot!!!<br>
 > roberto.<br><br><div><span class="gmail_quote">On 9/25/05, <b class="gmail_sendername">Hendrik Sattler</b> &lt;<a href="mailto:post@hendrik-sattler.de";>post@hendrik-sattler.de</a>&gt; wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
 > Am Sonntag, 25. September 2005 22:26 schrieb Roberto Winter:<br>&gt; First of all I do have hci-hcd, ehci-hcd, and usb-storage compiled in the<br>&gt; kernel. Not as modules though, but that doesn't make a difference.<br>
 > &gt; The thing is that I also hav UB compiled and it is not a module, so I can't<br>&gt; simply unload it. Is there a way to tell the kernel not to load it?<br>&gt; How do I use hotplug for that? Can someone point me a good reference
 > <br>&gt; maybe?... Can I use modutils blacklisting in that case?<br><br>In this case, you have to recompile your kernel.<br>One more point for using modules. One more point for only compiling in stuff<br>that you know that you'll need it. 
 > <br>
 > </blockquote><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">HS<br><br>--<br>Mein GPG-Key ist auf meiner Homepage verfügbar: <a href="http://www.hendrik-sattler.de";>
 > http://www.hendrik-sattler.de</a><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;oder über <a href="http://pgp.net";>pgp.net</a><br><br>PingoS - Linux-User helfen Schulen: <a href="http://www.pingos.org";>http://www.pingos.org</a><br></blockquote></div><br>

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         covici@ccs.covici.com



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