[Bug 1817] Variable _Thread_Heir is not protected against interrupts

[bugzilla-daemon at rtems.org]

https://www.rtems.org/bugzilla/show_bug.cgi?id=1817

Sebastian Huber <sebastian.huber at embedded-brains.de> changed:

           What    |Removed                     |Added
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                 CC|                            |sebastian.huber at embedded-br
                   |                            |ains.de

--- Comment #7 from Sebastian Huber <sebastian.huber at embedded-brains.de> 2011-09-22 06:09:21 CDT ---
There are so many places in RTEMS that assume atomic assignment of 32-bit
values so I don't see why we need things like this in the patch:

_ISR_Disable
*a = b;
_ISR_Enable

Also during initialization interrupts are disabled.

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