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CVS commit: src/sys/arch

Module Name:    src
Committed By:   maxv
Date:           Thu Jan 11 13:35:15 UTC 2018

Modified Files:
        src/sys/arch/amd64/amd64: machdep.c
        src/sys/arch/x86/x86: cpu.c

Log Message:
Introduce a new svs_page_add function, which can be used to map in the user
space a VA from the kernel space.

Use it to replace the PDIR_SLOT_PCPU slot: at boot time each CPU creates
its own slot which maps only its own pcpu_entry plus the common area (IDT+

This way, the pcpu areas of the remote CPUs are not mapped in userland.

To generate a diff of this commit:
cvs rdiff -u -r1.288 -r1.289 src/sys/arch/amd64/amd64/machdep.c
cvs rdiff -u -r1.145 -r1.146 src/sys/arch/x86/x86/cpu.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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