If a bootloader enables 64-bit mode with 4-level paging, we might need to
switch over to 5-level paging. The switching requires the disabling
paging. It works fine if kernel itself is loaded below 4G.
But if the bootloader put the kernel above 4G (not sure if anybody does
this), we would lose
If a bootloader enables 64-bit mode with 4-level paging, we might need to
switch over to 5-level paging. The switching requires the disabling
paging. It works fine if kernel itself is loaded below 4G.
But if the bootloader put the kernel above 4G (not sure if anybody does
this), we would lose
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