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(parent: 6c69c6b) | patch
pvclock: Add vDSO support
authorAdam Fenn <adam@fenn.io>
Sat, 7 Aug 2021 20:10:04 +0000 (13:10 -0700)
committerKonstantin Belousov <kib@FreeBSD.org>
Sat, 14 Aug 2021 12:57:54 +0000 (15:57 +0300)
commitd4b2d3035a23d5dc468d41151487a8299bf45cdc
treec42623f1e020e321facbc676d500d8195b04bd0btree | snapshot
parent6c69c6bb4c7ffde48b130df707799d4eca21ca9fcommit | diff
pvclock: Add vDSO support

Add vDSO support for timekeeping devices that support the KVM/XEN
paravirtual clock API.

Also, expose, in the userspace-accessible '<machine/pvclock.h>',
definitions that will be needed by 'libc' to support
'VDSO_TH_ALGO_X86_PVCLK'.

Sponsored by: Juniper Networks, Inc.
Sponsored by: Klara, Inc.
Reviewed by: kib
Differential Revision: https://reviews.freebsd.org/D31418
sys/dev/acpica/acpi_hpet.c diff | blob | history
sys/dev/hyperv/vmbus/amd64/hyperv_machdep.c diff | blob | history
sys/x86/include/pvclock.h diff | blob | history
sys/x86/include/vdso.h diff | blob | history
sys/x86/x86/pvclock.c diff | blob | history
sys/x86/x86/tsc.c diff | blob | history
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