Sender: [email protected]
To: Adrian Bunk <[email protected]>
Cc: [email protected], [email protected]
Subject: Re: [2.6 patch] mark virt_to_bus/bus_to_virt as __deprecated on i386
References: <[email protected]>
From: Andi Kleen <[email protected]>
Date: 18 Nov 2005 17:05:07 +0100
In-Reply-To: <[email protected]>
Message-ID: <[email protected]>
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Adrian Bunk <[email protected]> writes:
> virt_to_bus/bus_to_virt are long deprecated, mark them as __deprecated
> on i386.
I don't think you can do that. We still need these functions in low
level architecture code at least.
Using __pa/__va doesn't cut it because it won't work on Xen guests
which have different views on bus vs physical addresses. The Xen
code is (hopefully) in the process of being merged, so intentionally
breaking them isn't a good idea.
So if anything there would need to be replacement functions for it
first that do the same thing. But why not just keep the old ones?
-Andi
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