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To: jhb@FreeBSD.org
From: "M. Warner Losh" <imp@bsdimp.com>
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Subject: Re: cvs commit: src/sys/i386/pci pci_bus.c src/sys/dev/acpica
 acpi_pcib_acpi.c
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In message: <200410121038.38874.jhb@FreeBSD.org>
            John Baldwin <jhb@FreeBSD.org> writes:
: On Monday 11 October 2004 05:10 pm, Warner Losh wrote:
: > imp         2004-10-11 21:10:23 UTC
: >
: >   FreeBSD src repository
: >
: >   Modified files:
: >     sys/i386/pci         pci_bus.c
: >     sys/dev/acpica       acpi_pcib_acpi.c
: >   Log:
: >   Make the lower range of the memory area 0x80000000 again.  Also
: >   introduce hw.{pci,acpi}.host_mem_start tunable to change this.
: >
: >   MFC: ASAP
: 
: You could just use the same tunable for both drivers so it's perhaps less 
: confusing and easier for users (they set the same variable for both ACPI and 
: non-ACPI cases).  I would vote for just 'hw.pci.host_mem_start'.

I made them different because I wanted to expose the tunable value as
a read-only sysctl.  If I made them the same, I couldn't do that.

Warner