Messages in this thread | | | Date | Wed, 27 Jul 2005 16:38:43 +0200 | From | Ingo Molnar <> | Subject | Re: [RFC][PATCH] Make MAX_RT_PRIO and MAX_USER_RT_PRIO configurable |
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* Steven Rostedt <rostedt@goodmis.org> wrote:
> On Wed, 2005-07-27 at 16:17 +0200, Ingo Molnar wrote: > > i'd not do this patch, mainly because the '100 priority levels' thing is > > pretty much an assumption in lots of userspace code. > > I must argue though, any user app that assumes 100 is the max prio is > already broken. That's why there are system calls to get the actual > range. Maybe it would be good to change the range to find the apps > that break. And then fix them.
a fair number of apps assume that there's _at least_ 100 levels of priorities. The moment you have a custom kernel that offers more than 100 priorities, there will be apps that assume that there are more than 100 priority levels, and will break if there are less.
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