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From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 22 Jun 2010 19:42:27 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/dev/acpica acpi_hpet.c src/sys/x86/isa atrtc.c
 clock.c
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mav         2010-06-22 19:42:27 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/acpica       acpi_hpet.c 
    sys/x86/isa          atrtc.c clock.c 
  Log:
  SVN rev 209440 on 2010-06-22 19:42:27Z by mav
  
  Add "legacy route" support to HPET driver. When enabled, this mode makes
  HPET to steal IRQ0 from i8254 and IRQ8 from RTC timers. It can be suitable
  for HPETs without FSB interrupts support, as it gives them two unshared
  IRQs. It allows them to provide one per-CPU event timer on dual-CPU system,
  that should be suitable for further tickless kernels.
  
  To enable it, such lines may be added to /boot/loader.conf:
  hint.atrtc.0.clock=0
  hint.attimer.0.clock=0
  hint.hpet.0.legacy_route=1
  
  Revision  Changes    Path
  1.24      +74 -38    src/sys/dev/acpica/acpi_hpet.c
  1.4       +16 -15    src/sys/x86/isa/atrtc.c
  1.7       +16 -13    src/sys/x86/isa/clock.c