Subject: Re: CVS commit: src/sys/arch/arm/xscale
To: Jason Thorpe <thorpej@wasabisystems.com>
From: Hiroyuki Bessho <bsh@grotto.jp>
List: source-changes
Date: 03/27/2003 15:34:12
Jason Thorpe <thorpej@wasabisystems.com> writes:

> On Sunday, March 23, 2003, at 08:15  PM, Hiroyuki Bessho wrote:
>
>> + fix a crash when write-back cache is used, by calling PTE_SYNC()
>>   after tweaking page table entry.
>
> Actually, you might consider making this look more like the similar 
> code in e.g. i80321_space.c.  In particular, if you use pmap_enter(), 
> rather than pmap_kenter_pa(), the ARM pmap module will automatigically 
> map it non-cacheable for you, so you don't have to fiddle with the bits 
> in the PTE at all.
>

  How do we implement BUS_SPACE_MAP_CACHEABLE using pmap_enter()
instead of pmap_kenter_pa() here?

--
bsh.