From: Roland Dreier <rdreier@cisco.com>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: "Bryan O'Sullivan" <bos@pathscale.com>,
openib-general@openib.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2 of 13] ipath - set up 32-bit DMA mask if 64-bit setup fails
Date: Mon, 01 May 2006 14:41:39 -0700 [thread overview]
Message-ID: <adapsixs9rg.fsf@cisco.com> (raw)
In-Reply-To: <4B05D10C-407E-46A5-848F-0897D1E6D1CD@kernel.crashing.org> (Segher Boessenkool's message of "Mon, 1 May 2006 21:56:09 +0200")
Segher> PowerPC with U3 or U4 northbridge, i.e. Maple or PowerMac
Segher> G5 systems. If the IOMMU (DART) is disabled, we have a
Segher> 32-bit only DMA mask. The DART will be disabled by
Segher> default if there is 2GB or less of memory (as it isn't
Segher> needed then).
OK, thanks. I was not aware of that situation.
However, I suspect that PathScale has a different situation in mind,
considering that their driver isn't even buildable for that platform ;)
- R.
next prev parent reply other threads:[~2006-05-01 21:41 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-24 21:22 [PATCH 0 of 13] ipath - various fixes and cleanups Bryan O'Sullivan
2006-04-24 21:22 ` [PATCH 1 of 13] ipath - fix race with exposing reset file Bryan O'Sullivan
2006-04-24 21:22 ` [PATCH 2 of 13] ipath - set up 32-bit DMA mask if 64-bit setup fails Bryan O'Sullivan
2006-05-01 18:47 ` Roland Dreier
2006-05-01 19:56 ` Segher Boessenkool
2006-05-01 21:41 ` Roland Dreier [this message]
2006-05-01 23:13 ` Segher Boessenkool
2006-05-01 23:27 ` [openib-general] " Roland Dreier
2006-05-02 0:13 ` Segher Boessenkool
2006-05-02 0:18 ` Roland Dreier
2006-04-24 21:22 ` [PATCH 3 of 13] ipath - iterate over correct number of ports during reset Bryan O'Sullivan
2006-04-24 21:23 ` [PATCH 4 of 13] ipath - change handling of PIO buffers Bryan O'Sullivan
2006-04-25 9:32 ` Segher Boessenkool
2006-04-24 21:23 ` [PATCH 5 of 13] ipath - use proper address translation routine Bryan O'Sullivan
2006-05-01 18:50 ` Roland Dreier
2006-05-01 18:54 ` Arjan van de Ven
2006-05-01 19:00 ` Roland Dreier
2006-05-01 19:20 ` Arjan van de Ven
2006-05-01 19:28 ` Roland Dreier
2006-05-02 13:35 ` Christoph Hellwig
2006-05-02 14:24 ` Roland Dreier
2006-05-02 14:27 ` Christoph Hellwig
2006-05-02 14:55 ` Alan Cox
2006-05-02 14:58 ` Roland Dreier
2006-05-01 19:03 ` Bryan O'Sullivan
2006-04-24 21:23 ` [PATCH 6 of 13] ipath - fix verbs registration Bryan O'Sullivan
2006-04-24 21:23 ` [PATCH 7 of 13] ipath - prevent hardware from being accessed during reset Bryan O'Sullivan
2006-04-24 21:23 ` [PATCH 8 of 13] ipath - fix a number of RC protocol bugs Bryan O'Sullivan
2006-04-25 7:56 ` Andrew Morton
2006-05-01 17:22 ` Roland Dreier
2006-05-01 17:34 ` Bryan O'Sullivan
2006-04-24 21:23 ` [PATCH 9 of 13] ipath - simplify RC send posting Bryan O'Sullivan
2006-04-24 21:23 ` [PATCH 10 of 13] ipath - simplify IB timer usage Bryan O'Sullivan
2006-04-24 21:23 ` [PATCH 11 of 13] ipath - improve sparse annotation Bryan O'Sullivan
2006-04-24 21:23 ` [PATCH 12 of 13] ipath - fix label name in interrupt handler Bryan O'Sullivan
2006-04-24 21:23 ` [PATCH 13 of 13] ipath - tidy up white space in a few files Bryan O'Sullivan
2006-05-01 19:17 ` Roland Dreier
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