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Gregory Nutt 2018-11-29 12:50:29 -06:00
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NuttX TODO List (Last updated November 10, 2018) NuttX TODO List (Last updated November 29, 2018)
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This file summarizes known NuttX bugs, limitations, inconsistencies with This file summarizes known NuttX bugs, limitations, inconsistencies with
@ -10,7 +10,7 @@ issues related to each board port.
nuttx/: nuttx/:
(15) Task/Scheduler (sched/) (15) Task/Scheduler (sched/)
(3) SMP (4) SMP
(1) Memory Management (mm/) (1) Memory Management (mm/)
(0) Power Management (drivers/pm) (0) Power Management (drivers/pm)
(3) Signals (sched/signal, arch/) (3) Signals (sched/signal, arch/)
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simplification in the design and permit commonality with simplification in the design and permit commonality with
other, non-GIC implementations. other, non-GIC implementations.
Title: ISSUES WITH ACCESSING CPU INDEX
Description: The CPU number is accessed usually with the macro this_cpu().
The returned CPU number is then used for various things,
typically as an array index. However, if pre-emption is
not disabled,then it is possible that a context switch
could occur and that logic could run on anothe CPU with
possible fatal consequences.
We need to evaluate all use of this_cpu() and assure that
it is used in a way that guarantees the the code continues
to execute on the same CPU.
Status: Open
Prioity: Medium. This is a logical problem but I have nevers seen
an bugs caused by this. But I believe that failures are
possible.
o Memory Management (mm/) o Memory Management (mm/)
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