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Date: Fri, 29 Dec 2006 16:08:30 +0100
From: Ard -kwaak- van Breemen <ard@telegraafnet.nl>
To: Andrew Morton <akpm@osdl.org>
Cc: "Zhang, Yanmin" <yanmin.zhang@intel.com>,
       Chuck Ebbert <76306.1226@compuserve.com>,
       Yinghai Lu <yinghai.lu@amd.com>, take@libero.it, agalanin@mera.ru,
       linux-kernel@vger.kernel.org, bugme-daemon@bugzilla.kernel.org,
       "Eric W. Biederman" <ebiederm@xmission.com>
Subject: Re: [Bug 7505] Linux-2.6.18 fails to boot on AMD64 machine
Message-ID: <20061229150830.GP912@telegraafnet.nl>
References: <117E3EB5059E4E48ADFF2822933287A401F2EB70@pdsmsx404.ccr.corp.intel.com> <20061222082248.GY31882@telegraafnet.nl> <20061222003029.4394bd9a.akpm@osdl.org> <20061222143520.GG31882@telegraafnet.nl>
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On Fri, Dec 22, 2006 at 03:35:20PM +0100, Ard -kwaak- van Breemen wrote:
> On Fri, Dec 22, 2006 at 12:30:29AM -0800, Andrew Morton wrote:
> > I expect that you'll find that the ide code ends up doing
> > down_write(pci_bus_sem), which will enable interrupts.
> will:         down_read(&pci_bus_sem);
> also enable interrupts?
> Since that is called:
> init/main.c         start_kernel
> kernel/params.c      parse_args("Booting kernel"
> kernel/params.c       parse_one
-----------------------------------------------
  init/main.c            unknown_bootoption
  init/main.c             obsolete_checksetup
-----------------------------------------------
  > drivers/ide/ide.c      ide_setup
  > drivers/ide/ide.c       init_ide_data
  > drivers/ide/ide.c        init_hwif_default
  > include/asm-i386/ide.h    ide_default_io_base(index)
  > drivers/pci/search.c       pci_find_device
  > drivers/pci/search.c        pci_find_subsys

Fixes in the calltree
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