/proc/iomem: only expose physical resource addresses to privileged users
In commit c4004b02 ("x86: remove the kernel code/data/bss resources from /proc/iomem") I was hoping to remove the phyiscal kernel address data from /proc/iomem entirely, but that had to be reverted because some system programs actually use it. This limits all the detailed resource information to properly credentialed users instead. Signed-off-by:Linus Torvalds <torvalds@linux-foundation.org>
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