Date: Mon, 13 Sep 2010 09:51:24 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/dev/acpica acpi_cpu.c Message-ID: <201009130951.o8D9pd6C041119@repoman.freebsd.org>
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avg 2010-09-13 09:51:24 UTC
FreeBSD src repository
Modified files:
sys/dev/acpica acpi_cpu.c
Log:
SVN rev 212549 on 2010-09-13 09:51:24Z by avg
acpi_cpu: do not apply P_LVLx_LAT rules to latencies returned by _CST
ACPI specification sates that if P_LVL2_LAT > 100, then a system doesn't
support C2; if P_LVL3_LAT > 1000, then C3 is not supported.
But there are no such rules for Cx state data returned by _CST. If a
state is not supported it should not be included into the return
package. In other words, any latency value returned by _CST is valid,
it's up to the OS and/or user to decide whether to use it.
Submitted by: nork
Suggested by: mav
MFC after: 1 week
Revision Changes Path
1.92 +1 -9 src/sys/dev/acpica/acpi_cpu.c
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