CVS: cvs.openbsd.org: src

Dave Voutila <[email protected]> Fri, 24 Jul 2026 08:24:49 -0600 (MDT)
Newsgroups gmane.os.openbsd.cvs
Message-ID <[email protected]>
CVSROOT:	/cvs
Module name:	src
Changes by:	[email protected]	2026/07/24 08:24:49

Modified files:
	usr.sbin/vmd   : fw_cfg.c 

Log message:
vmd(8): guard firmware config system state with a mutex.

While vmd is not yet SMP, if multiple VCPUs emulate io to the Qemu
firmware config registers simultaneously, they will race in mutating
and observing state.

Report and diff by Andrew Griffiths.

ok hshoexer@