Jeff Weber wrote: > How do I enable/disable all interrupts (Linux and Xenomai) from user space? > (native skin preferred)
For x86:
iopl(3);
__asm__ __volatile__("cli/sti");
Ugly hack, typical a sign that something should be moved somewhere
else... (there are a few exceptions, though)
We once had some discussion if we shouldn't export domain stalling
features to user-space in order to support things like X-servers that
currently come with such code, toasting any RT kernel. May come one day,
but this will be primarily for legacy non-RT code.
Jan
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