Re: MMU bug in Dec/Intel ARMs?

[Philip Blundell]

>I am still not very clear with this issue.  If the kernel was carefully
>coded to avoid this
>SA-110 bug, how can the user mode applications be impacted by the problem.  
>
>Is it something can be avoid by changing the compiler?

Only a very specific (and fairly rare) instruction sequence is affected.  The 
kernel never uses it, and neither does code generated by GCC as far as I 
remember.  It is possible for you to hand code this in a user-space 
application and then that program would be afflicted.  Otherwise you probably 
don't need to worry.

p.


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