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CVS commit: src

Module Name:    src
Committed By:   jruoho
Date:           Fri Aug 27 03:05:26 UTC 2010

Modified Files:
        src/share/man/man4: acpicpu.4
        src/sys/dev/acpi: acpi_cpu.c acpi_cpu.h

Log Message:
Fix PR kern/43765 from Scott Ellis.

Note that the solution is not optimal. If ichlpcib(4) provides SpeedStep
support, possible I/O resource conflicts may occur with acpicpu(4). Ideally,
as noted for instance in Windows design documents, ichlpcib(4) should never
expose SpeedStep when ACPI is being used. The probability for potential race
conditions is however very small, being limited to few P4-era machines and
being dependent on user actions.

To generate a diff of this commit:
cvs rdiff -u -r1.15 -r1.16 src/share/man/man4/acpicpu.4
cvs rdiff -u -r1.21 -r1.22 src/sys/dev/acpi/acpi_cpu.c
cvs rdiff -u -r1.24 -r1.25 src/sys/dev/acpi/acpi_cpu.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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