1 votes 1 votes What is the mode(User/Kernel) of the Operating System when a Page Table or TLB are being accessed? Operating System memory-management paging operating-system + – !KARAN asked May 18, 2019 !KARAN 622 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes kernel varshni answered Jun 18, 2019 varshni comment Share Follow See 1 comment See all 1 1 comment reply !KARAN commented Jun 18, 2019 reply Follow Share any authentic resouce for its proof?? 0 votes 0 votes Please log in or register to add a comment.
0 votes 0 votes I think usermode else we will need to go to kernel mode for every PT access. For kernel pages Page tables for kernel pages have a special protection bit set, and the CPU must be in kernel mode to access these pages, to protect against rogue processes. Ref: https://www.cse.iitb.ac.in/~mythili/teaching/cs347_autumn2016/notes/07-memory.pdf smsubham answered Mar 17, 2020 smsubham comment Share Follow See all 0 reply Please log in or register to add a comment.
