[Bug 281903] pmap_active_cpus(8): man page needed
Date: Sun, 06 Oct 2024 18:17:13 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281903
Bug ID: 281903
Summary: pmap_active_cpus(8): man page needed
Product: Documentation
Version: Latest
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: Manual Pages
Assignee: bugs@FreeBSD.org
Reporter: emaste@freebsd.org
CC: doc@FreeBSD.org
For reference see:
commit 8882b7852acf2588d87ccb6d4c6bf7694511fc56
Author: Konstantin Belousov <kib@FreeBSD.org>
Date: Fri Oct 8 01:25:54 2021 +0300
add pmap_active_cpus()
For amd64, i386, arm, and riscv, i.e. all architectures except arm64,
the custom implementation is provided since we maintain the bitmask of
active CPUs anyway.
Arm64 uses somewhat naive iteration over CPUs and match current vmspace'
pmap with the argument. It is not guaranteed that vmspace->pmap is the
same as the active pmap, but the inaccuracy should be toleratable.
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D32360
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