Messages in this thread | | | From | Bartlomiej Zolnierkiewicz <> | Subject | Re: 2.6.6-rc3-mm2 (4KSTACK) | Date | Thu, 6 May 2004 01:04:55 +0200 |
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On Wednesday 05 of May 2004 22:31, Bill Davidsen wrote: > Andrew Morton wrote: > > Dominik Karall <dominik.karall@gmx.net> wrote: > >>On Wednesday 05 May 2004 10:31, you wrote: > >>>+make-4k-stacks-permanent.patch > >>> > >>> Fill my inbox. > >> > >>Hi Andrew! > >> > >>Is there any reason why this patch was applied? Because NVidia users > >> can't work with the original drivers now without removing this patch > >> every time. > > > > We need to push this issue along quickly. The single-page stack > > generally gives us a better kernel and having the stack size configurable > > creates pain. > > Add my voice to those who don't think 4k stacks are a good idea as a > default, they break some things and seem to leave other paths (as others > have noted) on the edge. I'm not sure what you have in mind as a "better > kernel" but I'd rather have a worse kernel and not have to check 4k > stack as a possible problem before looking at other things if I get bad > behaviour. > > Reliability first, performance later. We've lived with the config for a > while, pain there is better than pain at runtime.
Opposite opinion here.
If you want 100% reliability you shouldn't use -mm in the first place.
Making 4kb stacks default in -mm is very good idea so it will get necessary testing and fixing before being integrated into mainline.
Please also note that users of binary only modules always have choice: - new kernels without binary only modules - old kernels with binary only modules
It is really that simple.
Regards, Bartlomiej
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