subr_devmap: Implement pmap_mapdev with pmap_mapdev_attr

We can now support pmap_mapdev_attr on arm. Switch to use this to
implement pmap_mapdev to reduce duplicate code.

Reviewed by: mhorne, mmel

subr_devmap: Implement pmap_mapdev with pmap_mapdev_attr

We can now support pmap_mapdev_attr on arm. Switch to use this to
implement pmap_mapdev to reduce duplicate code.

Reviewed by: mhorne, mmel
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D50309

show more ...

arm: Make the pmap_kenter signature like arm64

To support a common pmap_mapdev_attr change pmap_kenter to include the
size any memory type in the signature.

Reviewed by: mhorne
Sponsored by: Arm Lt

arm: Make the pmap_kenter signature like arm64

To support a common pmap_mapdev_attr change pmap_kenter to include the
size any memory type in the signature.

Reviewed by: mhorne
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D50307

show more ...

pmap: Convert boolean_t to bool.

Reviewed by: kib (older version)
Differential Revision: https://reviews.freebsd.org/D39921

sys: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl s

sys: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

show more ...

sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

arm: Move contents of pmap-v6.h into pmap.h

Previously we had an armv4/v5 and armv6/v7 copy of the pmap header. As
we have removed armv4/v5 support we can now merge the armv6/v7 code
into pmap.h

Re

arm: Move contents of pmap-v6.h into pmap.h

Previously we had an armv4/v5 and armv6/v7 copy of the pmap header. As
we have removed armv4/v5 support we can now merge the armv6/v7 code
into pmap.h

Reviewed by: imp
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D41138

show more ...

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

show more ...

amd64: fix PKRU and swapout interaction

When vm_map_remove() is called from vm_swapout_map_deactivate_pages()
due to swapout, PKRU attributes for the removed range must be kept
intact. Provide a va

amd64: fix PKRU and swapout interaction

When vm_map_remove() is called from vm_swapout_map_deactivate_pages()
due to swapout, PKRU attributes for the removed range must be kept
intact. Provide a variant of pmap_remove(), pmap_map_delete(), to
allow pmap to distinguish between real removes of the UVA mappings
and any other internal removes, e.g. swapout.

For non-amd64, pmap_map_delete() is stubbed by define to pmap_remove().

Reported by: andrew
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D39556

show more ...

pmap_mapdev_attr() doesn't use any of its arguments.

pmap_unmapdev/bios: Accept a pointer instead of a vm_offset_t.

This matches the return type of pmap_mapdev/bios.

Reviewed by: kib, markj
Sponsored by: DARPA
Differential Revision: https://reviews.f

pmap_unmapdev/bios: Accept a pointer instead of a vm_offset_t.

This matches the return type of pmap_mapdev/bios.

Reviewed by: kib, markj
Sponsored by: DARPA
Differential Revision: https://reviews.freebsd.org/D36548

show more ...

Add pmap_vm_page_alloc_check()

which is the place to put MD asserts about allocated pages.

On amd64, verify that allocated page does not belong to the kernel
(text, data) or early allocated pages.

Add pmap_vm_page_alloc_check()

which is the place to put MD asserts about allocated pages.

On amd64, verify that allocated page does not belong to the kernel
(text, data) or early allocated pages.

Reviewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D31121

show more ...

Remove now unused armv4 and not-INTRNG files.

Introduce vm_page_astate.

This is a 32-bit structure embedded in each vm_page, consisting mostly
of page queue state. The use of a structure makes it easy to store a
snapshot of a page's queue stat

Introduce vm_page_astate.

This is a 32-bit structure embedded in each vm_page, consisting mostly
of page queue state. The use of a structure makes it easy to store a
snapshot of a page's queue state in a stack variable and use cmpset
loops to update that state without requiring the page lock.

This change merely adds the structure and updates references to atomic
state fields. No functional change intended.

Reviewed by: alc, jeff, kib
Sponsored by: Netflix, Intel
Differential Revision: https://reviews.freebsd.org/D22650

show more ...

Port r353622 to sparc64 and arm v4.

Noted by: alc
Reviewed by: alc, jeff, markj
Sponsored by: The FreeBSD Foundation
Differential revision: https://reviews.freebsd.org/D22056

Move phys_avail definition into MI code. It is consumed in the MI layer and
doing so adds more flexibility with less redundant code.

Reviewed by: jhb, markj, kib
Sponsored by: Netflix
Differential

Move phys_avail definition into MI code. It is consumed in the MI layer and
doing so adds more flexibility with less redundant code.

Reviewed by: jhb, markj, kib
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D21250

show more ...

MFhead@r344527

Merge ^/head r344178 through r344512.

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:

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

show more ...

subr_devmap: Implement pmap_mapdev with pmap_mapdev_attr

We can now support pmap_mapdev_attr on arm. Switch to use this to
implement pmap_mapdev to reduce duplicate code.

Reviewed by: mhorne, mmel

subr_devmap: Implement pmap_mapdev with pmap_mapdev_attr

We can now support pmap_mapdev_attr on arm. Switch to use this to
implement pmap_mapdev to reduce duplicate code.

Reviewed by: mhorne, mmel
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D50309

show more ...

arm: Make the pmap_kenter signature like arm64

To support a common pmap_mapdev_attr change pmap_kenter to include the
size any memory type in the signature.

Reviewed by: mhorne
Sponsored by: Arm Lt

arm: Make the pmap_kenter signature like arm64

To support a common pmap_mapdev_attr change pmap_kenter to include the
size any memory type in the signature.

Reviewed by: mhorne
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D50307

show more ...

pmap: Convert boolean_t to bool.

Reviewed by: kib (older version)
Differential Revision: https://reviews.freebsd.org/D39921

sys: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl s

sys: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

show more ...

sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

arm: Move contents of pmap-v6.h into pmap.h

Previously we had an armv4/v5 and armv6/v7 copy of the pmap header. As
we have removed armv4/v5 support we can now merge the armv6/v7 code
into pmap.h

Re

arm: Move contents of pmap-v6.h into pmap.h

Previously we had an armv4/v5 and armv6/v7 copy of the pmap header. As
we have removed armv4/v5 support we can now merge the armv6/v7 code
into pmap.h

Reviewed by: imp
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D41138

show more ...

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

show more ...