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Diffusion FreeBSD src repository - subversion rS344353

Add kernel support for Intel userspace protection keys feature on
rS344353
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Description

Add kernel support for Intel userspace protection keys feature on
Skylake Xeons.

See SDM rev. 68 Vol 3 4.6.2 Protection Keys and the description of the
RDPKRU and WRPKRU instructions.

Reviewed by: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D18893

Details

Provenance
kibAuthored on
Reviewer
markj
Differential Revision
D18893: Add support for Intel userspace protection keys feature on Skylake Xeons.
Parents
rS344352: amd64: add defines and decode protection keys and SGX page faults reasons.
Branches
Unknown
Tags
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Changes (15)

PathSize
head/
sys/
amd64/
amd64/
include/
arm/
include/
arm64/
include/
i386/
include/
mips/
include/
powerpc/
include/
riscv/
include/
sparc64/
include/
vm/
x86/
include/

rS344353

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head/sys/amd64/amd64/initcpu.c

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head/sys/amd64/amd64/pmap.c

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head/sys/amd64/amd64/sys_machdep.c

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head/sys/amd64/amd64/trap.c

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head/sys/amd64/include/pmap.h

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head/sys/arm/include/pmap.h

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head/sys/arm64/include/pmap.h

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head/sys/i386/include/pmap.h

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head/sys/mips/include/pmap.h

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head/sys/powerpc/include/pmap.h

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head/sys/riscv/include/pmap.h

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head/sys/sparc64/include/pmap.h

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head/sys/vm/vm_fault.c

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head/sys/vm/vm_map.c

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head/sys/x86/include/sysarch.h

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