On 05/08/2012 08:02 PM, Ralf Mardorf wrote:
On Tue, 2012-05-08 at 19:43 +0200, Kaj Ailomaa wrote:
On 05/08/2012 07:29 PM, Kaj Ailomaa wrote:
On 05/08/2012 05:37 PM, Scott Lavender wrote:
Hello everyone,
There are a few interesting developments that should be shared.
Firstly, there are discussions about moving the -lowlatency kernel
maintenance into the kernel team as it was pointed out that the patch is
"something like a two line" patch. I don't actually know how long our
patch is. And it seems disproportionate to have to rebuild a new kernel
each time of a security update for such a patch. It was suggested that
this might become a build option for an existing kernel package
maintained
by UKT.
Great news about the kernel.
In fact, another addition to linux confifuration options have made it
possible to add threadirqs as a default boot option to the kernel
without the need to edit the actual code (currently threadirqs option by
default is made possible by a patch to the code):
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="threadirqs"
So, if I'm not missing something, this would mean there will be no patch
required. Only a different config.
I've got no time to read the whole thread, since I need to repair my
mixer. However, for a full preempt non-rt kernel there is no patch
required. It only depends to the config of a vanilla kernel.
There is a patch that enables threadirqs by default, but as I mentioned
above, that patch is no longer required.
What do mean by a "full" preempt non-rt kernel?
Regarding to the CONFIG options in the previous post, there are some
CONFIG options missing, but those are already set for e.g. the
lowlatency kernel for Ubuntu Studio precise.
Regards,
Ralf
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