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[Bug 1000170] SuperH context switch code vulnerable to stack corruption by ISR
- From: bugzilla at ecoscentric dot com
- To: ecos-bugs at sources dot redhat dot com
- Date: Mon, 18 Apr 2005 16:30:35 +0100 (BST)
- Subject: [Bug 1000170] SuperH context switch code vulnerable to stack corruption by ISR
http://bugs.ecos.sourceware.org/show_bug.cgi?id=1000170
------- Additional Comments From nickg@ecoscentric.com 2005-18-04 16:30 -------
You are suggesting that certain threads with small stacks might elect to run
with interrupts disabled to avoid having to have enough stack space to handle
interrupts. While that's possible, I'm not sure anyone would do that in real
life since it would play havoc with the realtime response of the system.
However, your suggested patch would allow the above scenario to be implemented,
and it is no worse that any other patch, so yes, no reason not to do it that way.
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