Dear uClinux Developers,
as per my knowledge the Coldfire Architecture supports nested
interrupts by managing the "interrupt priority mask" field in the
processor status register (SR or PS).
The question is now if the current architechture specific
implementation in uClinux supports this scheme as well? Can I be sure
that interrupts are disabled for interrupts requested with
IRQF_DISABLED?
More precisely I have two interrupt handlers which need to be mutual
exclusive. Is IRQF_DISABLED the proper way to handle this.
I am using unpatched linux kernel uclinux-2.6.19-uc1 from
uClinux-dist-20070130.
Best regards,
Markus Franke
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