Re: [2.6 patch] mark virt_to_bus/bus_to_virt as __deprecated on i386

From: Adrian Bunk
Date: Wed Apr 19 2006 - 14:07:24 EST


On Wed, Apr 19, 2006 at 08:13:55AM +0300, Muli Ben-Yehuda wrote:
> On Wed, Apr 19, 2006 at 12:07:15AM +0200, Adrian Bunk wrote:
> > virt_to_bus/bus_to_virt are long deprecated, mark them as __deprecated
> > on i386.
>
> You should probably update Documentation/ while you're at it.

Which file under Documentation/ are you referring to?

> Also, IIRC Xen uses virt_to_phys to return guest physical addresses
> and virt_to_bus to return machine physical addresses, so the
> difference is useful at least in some scenarios.

Solving this should be easy.

And this still doesn't make it right for architecture independent
drivers to use virt_to_bus/bus_to_virt.

> Cheers,
> Muli

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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