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CVS commit: [netbsd-8] src/sys

Module Name:    src
Committed By:   snj
Date:           Mon Sep  4 20:41:28 UTC 2017

Modified Files:
        src/sys/arch/amd64/amd64 [netbsd-8]: copy.S locore.S machdep.c
        src/sys/compat/linux/arch/amd64 [netbsd-8]: linux_machdep.c

Log Message:
Pull up following revision(s) (requested by maxv in ticket #257):
        sys/compat/linux/arch/amd64/linux_machdep.c: 1.52
        sys/arch/amd64/amd64/copy.S: 1.21-1.24
        sys/arch/amd64/amd64/locore.S: 1.125
        sys/arch/amd64/amd64/machdep.c: 1.256
Fix a bug in ucas_32 and ucas_64. There is a branch where they don't
initialize %rax.
style, reduces an incoming diff
Split comment, otherwise it is misleading. kcopy operates on kernel
memory, and must *not* be used with userland pages.
Move incq outside of the copy section. No functional change, reduces
my smap diff.
Remove dumb debug code and outdated comment.
Don't forget to clean l_md.md_flags, otherwise there may be MDL_COMPAT32,
in which case the kernel would always use iret (slower).

To generate a diff of this commit:
cvs rdiff -u -r1.20 -r1.20.10.1 src/sys/arch/amd64/amd64/copy.S
cvs rdiff -u -r1.123.6.1 -r1.123.6.2 src/sys/arch/amd64/amd64/locore.S
cvs rdiff -u -r1.255 -r1.255.6.1 src/sys/arch/amd64/amd64/machdep.c
cvs rdiff -u -r1.51 -r1.51.6.1 \

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

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