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PR/43765 CVS commit: src

The following reply was made to PR kern/43765; it has been noted by GNATS.

From: Jukka Ruohonen <>
Subject: PR/43765 CVS commit: src
Date: Fri, 27 Aug 2010 03:05:27 +0000

 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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