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From: Alex Williamson <alex.williamson@hp.com>
To: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Ravikiran G Thirumalai <kiran@scalex86.org>,
	Linus Torvalds <torvalds@osdl.org>, Andrew Morton <akpm@osdl.org>,
	Andi Kleen <ak@suse.de>,
	linux-kernel@vger.kernel.org, discuss@x86-64.org,
	tglx@linutronix.de, shai@scalex86.org
Subject: Re: [discuss] Re: x86_64: 2.6.14-rc4 swiotlb broken
Date: Wed, 19 Oct 2005 08:19:41 -0600	[thread overview]
Message-ID: <1129731581.17545.60.camel@lts1.fc.hp.com> (raw)
In-Reply-To: <20051019212041.6378.Y-GOTO@jp.fujitsu.com>

On Wed, 2005-10-19 at 21:47 +0900, Yasunori Goto wrote:
> Hmm.....
> How is this patch? This is another way.
> 
> I think that true issue is there is no way for requester to
> specify maxmum address at __alloc_bootmem_core().
> 
> "goal" is just to keep space lower address as much as possible.
> and __alloc_bootmem_core() doesn't care about max address for requester.
> I suppose it is a bit strange. The swiotlb's case is good example
> by it.
> 
> So, I made a patch that __alloc_bootmem_core() cares it.

   This works on the Superdome.  The swiotlb is shown as:

Placing software IO TLB between 0x4d48000 - 0x8d48000

Thanks,

	Alex


  reply	other threads:[~2005-10-19 14:19 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-17  9:36 Ravikiran G Thirumalai
2005-10-17  9:50 ` Andrew Morton
2005-10-17  9:53   ` Andi Kleen
2005-10-17 10:54     ` Yasunori Goto
2005-10-17 15:27     ` Linus Torvalds
2005-10-17 15:37       ` Ravikiran G Thirumalai
2005-10-17 15:40       ` Andi Kleen
2005-10-17 15:56         ` Muli Ben-Yehuda
2005-10-17 16:02           ` Andi Kleen
2005-10-17 18:53             ` [discuss] " Russell King
2005-10-17 16:02         ` Linus Torvalds
2005-10-17 16:26           ` Andi Kleen
2005-10-17 16:42             ` Linus Torvalds
2005-10-17 17:09               ` Andi Kleen
2005-10-17 17:52         ` Ravikiran G Thirumalai
2005-10-17 18:08           ` [discuss] " Andi Kleen
2005-10-17 18:27             ` Muli Ben-Yehuda
2005-10-17 18:32               ` Andi Kleen
2005-10-17 18:45                 ` Muli Ben-Yehuda
2005-10-17 19:04                   ` Linus Torvalds
2005-10-17 19:09                     ` Andi Kleen
2005-10-17 19:15                       ` Arjan van de Ven
2005-10-17 19:47                       ` Ravikiran G Thirumalai
2005-10-17 23:50                     ` David Lang
2005-10-18  2:29                     ` Yasunori Goto
2005-10-18  3:20                       ` Ravikiran G Thirumalai
2005-10-18  4:28                         ` Yasunori Goto
2005-10-18  6:13                           ` Ravikiran G Thirumalai
2005-10-18 10:09                             ` Yasunori Goto
2005-10-18 18:51                               ` Ravikiran G Thirumalai
2005-10-19 17:18                   ` Jon Mason
2005-10-20  7:27                     ` Andi Kleen
2005-10-17 18:38             ` Ravikiran G Thirumalai
2005-10-17 18:20           ` Christoph Lameter
2005-10-17 19:04             ` Alex Williamson
2005-10-17 19:26               ` Ravikiran G Thirumalai
2005-10-17 19:52                 ` Alex Williamson
2005-10-17 15:30     ` Ravikiran G Thirumalai
2005-10-17 15:43       ` Andi Kleen
2005-10-17 20:44         ` Andrew Morton
2005-10-17 21:11           ` Linus Torvalds
2005-10-18  0:16             ` Ravikiran G Thirumalai
2005-10-18  8:23               ` Andi Kleen
2005-10-18 19:07                 ` [discuss] " Ravikiran G Thirumalai
2005-10-18 15:48               ` Linus Torvalds
2005-10-18 15:50                 ` Linus Torvalds
2005-10-18 19:54                   ` [discuss] " Ravikiran G Thirumalai
2005-10-18 21:28                     ` Alex Williamson
2005-10-18 21:53                       ` Ravikiran G Thirumalai
2005-10-18 22:04                         ` Alex Williamson
2005-10-18 22:37                           ` Alex Williamson
2005-10-18 23:22                             ` Ravikiran G Thirumalai
2005-10-19  1:22                               ` Alex Williamson
2005-10-19  2:02                                 ` Alex Williamson
2005-10-19 12:47                                 ` Yasunori Goto
2005-10-19 14:19                                   ` Alex Williamson [this message]
2005-10-19 18:07                                   ` Ravikiran G Thirumalai
2005-10-19 20:45                                     ` Linus Torvalds
2005-10-19 22:52                                       ` Ravikiran G Thirumalai
2005-10-20  0:51                                         ` Yasunori Goto
2005-10-20  7:45                                   ` Andi Kleen
2005-10-18 22:47                           ` Ravikiran G Thirumalai
2005-10-17 10:02   ` Muli Ben-Yehuda
2005-10-17 19:07     ` Tony Luck

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