SVNews r324501

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2017-10-10 19:20:38 - r324501 by jkim (Jung-uk Kim)

Complete list of files affected by revision r324501:

(Note: At the moment, these links point to ViewVC on svn.freebsd.org. They are probably slow. Do not overuse.)

  History   Contents   Diff   MODIFY   /head/sys/dev/acpica/Osd/OsdSchedule.c  

Commit message:

Do not check whether AcpiOsGetTimer() is called during boot.

From ACPICA 20170929, AcpiOsGetTimer() should be available early because
While() loop timeout mechanism was reimplemented with it. Unfortunately,
it means AcpiLoadTables() may cause panic when a While() loop is executed.
After having lengthy discussions with ACPICA developers, I have concluded
that dummy timecounter is good enough for the purpose and it is the least
intrusive solution for now. Also, they reminded me the ACPI specification
implies OS timer function should be available before loading tables.

 


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