From: Marcelo Tosatti <marcelo.tosatti@cyclades•com>
To: Dan Malek <dan@embeddededge•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 11:05:27 -0300 [thread overview]
Message-ID: <20050507140527.GC16996@logos.cnet> (raw)
In-Reply-To: <6f231f4afce0886929ca99426a86b47a@embeddededge.com>
> NO. Just leave that code alone. I don't understand why you think
> doing this will have any effect on the system operation. If you are
> able to run a system without creating these tables, then the pinned
> TLBs must be working. If pinned TLBs weren't working, the kernel
> would crash.
I just booted a kernel with 4kb PTE mappings at KERNELBASE and
the pinned TLB was not trashed.
So, I was talking nonsense. :)
The only problem are DMA users who dont use dma_alloc_coherent API.
next prev parent reply other threads:[~2005-05-07 19:06 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 [this message]
2005-05-09 6:09 ` Pantelis Antoniou
2005-05-07 14:59 ` Wolfgang Denk
2005-05-07 5:27 ` Dan Malek
2005-05-07 5:55 ` Dan Malek
2005-05-06 23:10 ` Dan Malek
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