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From: Dan Malek <dan@embeddededge.com>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: linux-ppc-embedded <linuxppc-embedded@ozlabs.org>
Subject: Re: [PATCH] 8xx: fix usage of pinned 8Mbyte TLB entries
Date: Sat, 7 May 2005 01:27:17 -0400	[thread overview]
Message-ID: <50058b517f42f09720e6c8086bf294e0@embeddededge.com> (raw)
In-Reply-To: <20050506200338.GC14486@logos.cnet>



The last patch I just sent isn't quite sufficient.  We still have
to fix this:

On May 6, 2005, at 4:03 PM, Marcelo Tosatti wrote:

>         /* get the PTE for the bootpage */
>         if (!get_pteptr(&init_mm, bootpage, &pte))
>                panic("get_pteptr failed\n");
>
>         /* and make it uncachable */
>         pte_val(*pte) |= _PAGE_NO_CACHE;
>         _tlbie(bootpage);


One of things that was corrected in linuxppc-2.4, that never made
if forward.  I did a late consistent_alloc() on the first call to
hostmem_alloc().  I'm looking for a similar solution in 2.6.

Thanks.


	-- Dan

  parent reply	other threads:[~2005-05-07  5:27 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-05 17:20 [PATCH] 8xx: fix usage of pinned 8Mbyte TLB entries Marcelo Tosatti
2005-05-06 13:04 ` Jason McMullan
2005-05-06 11:39   ` Marcelo Tosatti
2005-05-06 16:43 ` Dan Malek
2005-05-06 13:38   ` Marcelo Tosatti
2005-05-06 22:49     ` Dan Malek
2005-05-06 20:03       ` Marcelo Tosatti
2005-05-07  3:09         ` Dan Malek
2005-05-06 23:05           ` Marcelo Tosatti
2005-05-07  4:39             ` Dan Malek
2005-05-07  5:16               ` Dan Malek
2005-05-07 13:16               ` Marcelo Tosatti
2005-05-07 20:02                 ` Dan Malek
2005-05-07 15:47                   ` Marcelo Tosatti
2005-05-07 14:05               ` Marcelo Tosatti
2005-05-09  6:09                 ` Pantelis Antoniou
2005-05-07 14:59             ` Wolfgang Denk
2005-05-07  5:27         ` Dan Malek [this message]
2005-05-07  5:55           ` Dan Malek
2005-05-06 23:10       ` Dan Malek

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