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From: Nate Lawson <njl@FreeBSD.org>
Date: Thu, 19 Aug 2004 18:48:18 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/i386/acpica acpi_wakeup.c
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njl         2004-08-19 18:48:18 UTC

  FreeBSD src repository

  Modified files:
    sys/i386/acpica      acpi_wakeup.c 
  Log:
  Disable interrupts after using pmap_enter() to add the identity mapping.
  Since pmap_enter() calls pmap_invalidate_page(), which needs interrupts
  enabled in the SMP case, we defer the disable to right before saving the
  register context.  This has been incorrect for about a year but caused no
  real problems because the identity page never actually replaces a previously
  mapped page and suspend/resume on SMP systems has been uncommon.
  
  Tested by:      sos
  MFC after:      3 days
  
  Revision  Changes    Path
  1.38      +1 -1      src/sys/i386/acpica/acpi_wakeup.c