Hi all, The question is it ipossiblle in Linux/MMU/TLB that 2 processes map to the same physical address? Will CPU or TLB discover that second process tries to reach occupied physical page?
What if first process set page permission to read and second whats to write to this page ? Perhaps during context switch all page access permissions of first process is flashed out from MMU ? I confess I do not know what exactly happens in TLB and between Linux and hardware view of pages. I am particularly intereste in ARMv7, perhaps its architecture have some solutions to these question. Regards, Lev _______________________________________________ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
