From: Matthew Garrett <mjg@redhat.com>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: linux-acpi@vger.kernel.org, robert.moore@intel.com, lenb@kernel.org
Subject: Re: [PATCH 1/3] ACPI: Ignore the upper bits of SystemIO addresses
Date: Wed, 19 May 2010 17:27:02 +0100 [thread overview]
Message-ID: <20100519162702.GB25719@srcf.ucam.org> (raw)
In-Reply-To: <201005191018.46799.bjorn.helgaas@hp.com>
On Wed, May 19, 2010 at 10:18:46AM -0600, Bjorn Helgaas wrote:
> I think this is a good idea. But it makes me a little bit nervous
> to change addresses supplied by the firmware without any user-visible
> indication at all. Is it worth doing a WARN_ONCE() sort of thing
> when we truncate?
That doesn't seem unreasonable, but do we have anything equivalent to
that in the acpica code right now?
> I know you experimented quite a bit to confirm that Windows does this
> sort of masking. Do you have any notes about that experimentation
> that would be useful to add to the bugzilla?
Sure. I'll do that.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2010-05-19 16:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-19 15:43 [PATCH 1/3] ACPI: Ignore the upper bits of SystemIO addresses Matthew Garrett
2010-05-19 15:43 ` [PATCH 2/3] ACPI: Add acpi_gbl_osi_data to OS headers Matthew Garrett
2010-06-04 17:36 ` Len Brown
2010-05-19 15:43 ` [PATCH 3/3] ACPI: Enable Windows ioport access compatibility on Windows-compatible systems Matthew Garrett
2010-05-19 16:25 ` Bjorn Helgaas
2010-05-19 16:38 ` Matthew Garrett
2010-05-19 16:18 ` [PATCH 1/3] ACPI: Ignore the upper bits of SystemIO addresses Bjorn Helgaas
2010-05-19 16:27 ` Matthew Garrett [this message]
2010-05-19 16:31 ` Moore, Robert
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