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From: Nate Lawson <njl@FreeBSD.org>
Date: Fri, 13 Aug 2004 06:21:32 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/dev/acpica acpi.c
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njl         2004-08-13 06:21:32 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/acpica       acpi.c 
  Log:
  MPSAFE locking
  
  * Serialize calls to acpi_alloc_resource(), acpi_release_resource(),
    acpi_Enable(), acpi_Disable(), and acpi_debug_sysctl().
  * Acquire the ACPI mutex in acpi_register_ioctl(), acpi_deregister_ioctl(),
    and acpiioctl().
  * Acquire the mutex while disabling subsequent requests to enter a
    sleep state in acpi_SetSleepState().
  * Be sure to re-enable sleep requests and don't run resume methods when
    the current request fails.
  * Don't check if sleep requests are disabled in the ACPIIO_SETSLPSTATE
    ioctl.  acpi_SetSleepState() does this for us.
  * Remove the acquisition of Giant from the struct cdevsw.
  * Remove the ACPI_USE_THREADS option.
  
  Revision  Changes    Path
  1.186     +79 -35    src/sys/dev/acpica/acpi.c