[lkml]   [2004]   [Oct]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U0
Theoretically a problem, in practice not, i.e., good enough for soft/normal
real-time, not hard real-time; probably wouldn't want my heart monitor on
it, but then I wouldn't be using Linux for that either :-)

Robert Wisniewski
The K42 MP OS Project
Advanced Operating Systems
Scalable Parallel Systems
IBM T.J. Watson Research Center

Roland Dreier writes:
> Karim> cmpxchg (basically: try reserve; if fail retry; else
> Karim> write), with per-cpu buffers.
> Not sure if I really understand the context where Ingo would use this,
> but this lockless scheme doesn't seem to be safe for realtime; the
> retry can potentially happen an arbitrary number of times.
> - Roland
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 14:07    [W:0.589 / U:2.768 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site