From: yhlu <yhlu.kernel@gmail.com>
To: Roland Dreier <rolandd@cisco.com>
Cc: linux-kernel@vger.kernel.org, openib-general@openib.org
Subject: Re: mthca and LinuxBIOS
Date: Thu, 4 Aug 2005 10:23:15 -0700 [thread overview]
Message-ID: <86802c4405080410236ba59619@mail.gmail.com> (raw)
In-Reply-To: <52mznxacbp.fsf@cisco.com>
The mellanox can use prefmem64, but the BIOS could only allocate the
some range below 4G, So 32 bit OS still can use the IB cards.
but for 64bit OS, We could allocate range above 4G (0xfc00000000), So
the mmio below 4G can be smaller. ( for example from 512M to 128M, the
user can get back some RAM back if Opteron don't have hardware memhole
support).
YH
On 8/4/05, Roland Dreier <rolandd@cisco.com> wrote:
> >>>>> "yhlu" == yhlu <yhlu.kernel@gmail.com> writes:
>
> yhlu> YES. I will send you the output message later about
> yhlu> "CONFIG_INFINIBAND_MTHCA_DEBUG=y"
>
> Thanks. In the meantime, can you explain what it means to "enable the
> prefmem64 to use real 64 range"? What is the difference between this
> and the configuration that works?
>
> - R.
>
next prev parent reply other threads:[~2005-08-04 17:27 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-28 20:31 [PATCH 0/2] REALLY final InfiniBand updates for 2.6.13 Roland Dreier
2005-07-28 20:31 ` [PATCH 1/2] [IB/cm]: Correct CM port redirect reject codes Roland Dreier
2005-07-28 20:31 ` [PATCH 2/2] [IPoIB] Handle sending of unicast RARP responses Roland Dreier
2005-08-04 0:58 ` [PATCH 1/2] [IB/cm]: Correct CM port redirect reject codes yhlu
2005-08-04 1:39 ` [openib-general] " Grant Grundler
2005-08-04 4:44 ` mthca and LinuxBIOS (was: [PATCH 1/2] [IB/cm]: Correct CM port redirect reject codes) Roland Dreier
2005-08-04 16:33 ` yhlu
2005-08-04 16:36 ` mthca and LinuxBIOS Roland Dreier
2005-08-04 17:23 ` yhlu [this message]
2005-08-04 18:01 ` yhlu
2005-08-04 18:35 ` Roland Dreier
2005-08-04 19:30 ` yhlu
2005-08-05 3:47 ` Roland Dreier
2005-08-05 18:03 ` yhlu
2005-08-05 18:07 ` yhlu
2005-08-05 18:13 ` Roland Dreier
2005-08-05 18:26 ` yhlu
2005-08-05 19:25 ` yhlu
2005-08-05 19:45 ` yhlu
2005-08-05 20:28 ` yhlu
2005-08-05 20:38 ` Linus Torvalds
2005-08-05 22:00 ` Greg KH
2005-08-05 22:25 ` yhlu
2005-08-05 23:03 ` Greg KH
2005-08-06 5:29 ` [openib-general] " Grant Grundler
2005-08-05 23:06 ` Linus Torvalds
2005-08-05 23:59 ` [openib-general] " Grant Grundler
2005-08-06 4:33 ` Grant Grundler
2005-08-06 23:52 ` yhlu
2005-08-07 9:49 ` Ivan Kokshaysky
2005-08-05 18:11 ` Roland Dreier
2005-08-06 0:57 ` yhlu
2005-08-06 1:30 ` Roland Dreier
2005-08-06 2:47 ` yhlu
2005-08-04 6:42 ` [PATCH 1/2] [IB/cm]: Correct CM port redirect reject codes Michael S. Tsirkin
2005-08-04 18:22 ` yhlu
2005-08-08 12:21 ` Michael S. Tsirkin
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