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CVS commit: [netbsd-8] src/sys/arch

Module Name:    src
Committed By:   martin
Date:           Sat Jun  9 15:12:21 UTC 2018

Modified Files:
        src/sys/arch/amd64/amd64 [netbsd-8]: machdep.c
        src/sys/arch/amd64/conf [netbsd-8]: GENERIC files.amd64
        src/sys/arch/i386/conf [netbsd-8]: GENERIC files.i386
        src/sys/arch/i386/i386 [netbsd-8]: machdep.c
        src/sys/arch/x86/include [netbsd-8]: cpu.h specialreg.h
        src/sys/arch/x86/x86 [netbsd-8]: x86_machdep.c
Added Files:
        src/sys/arch/x86/x86 [netbsd-8]: spectre.c

Log Message:
Pullup the following revisions, requested by maxv in ticket #865:

        sys/arch/amd64/amd64/machdep.c          1.303 (patch)
        sys/arch/amd64/conf/GENERIC             1.492 (patch)
        sys/arch/amd64/conf/files.amd64         1.103 (patch)
        sys/arch/i386/i386/machdep.c            1.806 (patch)
        sys/arch/i386/conf/GENERIC              1.1179 (patch)
        sys/arch/i386/conf/files.i386           1.393 (patch)
        sys/arch/x86/include/cpu.h              1.91 (patch)
        sys/arch/x86/include/specialreg.h       upto 1.126 (patch)
        sys/arch/x86/x86/x86_machdep.c          upto 1.115 (patch, adapted)
        sys/arch/x86/x86/spectre.c              upto 1.19 (patch, adapted,
                                                no IBRS,
                                                SpectreV2 mitigations not
                                                enabled by default)

Backport the hardware SpectreV2 and SpectreV4 mitigations.

To generate a diff of this commit:
cvs rdiff -u -r1.255.6.6 -r1.255.6.7 src/sys/arch/amd64/amd64/machdep.c
cvs rdiff -u -r1.459.2.9 -r1.459.2.10 src/sys/arch/amd64/conf/GENERIC
cvs rdiff -u -r1.88.8.3 -r1.88.8.4 src/sys/arch/amd64/conf/files.amd64
cvs rdiff -u -r1.1156.2.9 -r1.1156.2.10 src/sys/arch/i386/conf/GENERIC
cvs rdiff -u -r1.378.6.2 -r1.378.6.3 src/sys/arch/i386/conf/files.i386
cvs rdiff -u -r1.782.6.5 -r1.782.6.6 src/sys/arch/i386/i386/machdep.c
cvs rdiff -u -r1.71.2.5 -r1.71.2.6 src/sys/arch/x86/include/cpu.h
cvs rdiff -u -r1.98.2.4 -r1.98.2.5 src/sys/arch/x86/include/specialreg.h
cvs rdiff -u -r0 -r1.19.2.2 src/sys/arch/x86/x86/spectre.c
cvs rdiff -u -r1.91.4.2 -r1.91.4.3 src/sys/arch/x86/x86/x86_machdep.c

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

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