Date: Wed, 23 Jun 2010 17:04:42 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/dev/acpica acpi_cpu.c Message-ID: <201006231705.o5NH53P8046892@repoman.freebsd.org>
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jhb 2010-06-23 17:04:42 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_8)
sys/dev/acpica acpi_cpu.c
Log:
SVN rev 209471 on 2010-06-23 17:04:42Z by jhb
MFC 209213:
When updating individual CPU's lowest Cx state to use, never set it to a
state lower than the lowest one supported by the current CPU. This closes
some races with changes to the hw.acpi.cpu_cx_lowest sysctl while Cx
states for individual CPUs were changing (e.g. unplugging the AC adapter
of a laptop) that could result in panics.
Revision Changes Path
1.79.2.8 +3 -1 src/sys/dev/acpica/acpi_cpu.c
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