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From: "David S. Miller" <davem@redhat.com>
To: groudier@free.fr
Cc: axboe@suse.de, linux-kernel@vger.kernel.org, andrea@suse.de
Subject: Re: [patch] zero-bounce highmem I/O
Date: Thu, 16 Aug 2001 01:12:13 -0700 (PDT)	[thread overview]
Message-ID: <20010816.011213.102576998.davem@redhat.com> (raw)
In-Reply-To: <20010815205954.A1159-100000@gerard>
In-Reply-To: <20010815.032218.55508716.davem@redhat.com> <20010815205954.A1159-100000@gerard>

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   From: Gérard Roudier <groudier@free.fr>
   Date: Wed, 15 Aug 2001 21:20:17 +0200 (CEST)

   The current solution consists in tampering the dma_mask in the pci_dev
   structure prior to allocating DMAable memory. Not really clean...
   Some interface that would allow to provide some masks as argument would be
   cleaner, in my opinion. Btw, the pci_set_* interface does not seem cleaner
   to me than hacking the corresponding field in the pcidev structure directly.

pci_alloc_consistent will ONLY give you 32-bit DMA memory.

This will be true both before and after my changes.  Does the
IA64 gross hack behave differently?

Later,
David S. Miller
davem@redhat.com
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  parent reply	other threads:[~2001-08-16  8:12 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-15  7:50 [patch] zero-bounce highmem I/O Jens Axboe
2001-08-15  9:11 ` David S. Miller
2001-08-15  9:17   ` Jens Axboe
2001-08-15  9:26   ` Jens Axboe
2001-08-15 10:22   ` David S. Miller
2001-08-15 11:13     ` Jens Axboe
2001-08-15 11:47     ` David S. Miller
2001-08-15 12:07       ` Jens Axboe
2001-08-15 12:35       ` David S. Miller
2001-08-15 13:10         ` Jens Axboe
2001-08-15 14:25           ` David S. Miller
2001-08-16 11:51             ` Jens Axboe
2001-08-16 11:56             ` David S. Miller
2001-08-16 12:03               ` Jens Axboe
2001-08-16 12:14               ` Gerd Knorr
2001-08-16 12:27               ` David S. Miller
2001-08-16 12:48                 ` Jens Axboe
2001-08-16 12:56                 ` Jens Axboe
2001-08-16 13:08                 ` David S. Miller
2001-08-16 12:34               ` David S. Miller
2001-08-16 13:35                 ` Gerd Knorr
2001-08-16 14:15                 ` David S. Miller
2001-08-16 12:28             ` kill alt_address (Re: [patch] zero-bounce highmem I/O) David S. Miller
2001-08-15 14:02         ` [patch] zero-bounce highmem I/O David S. Miller
2001-08-16  5:52           ` Jens Axboe
2001-08-15 19:20     ` Gérard Roudier
2001-08-16  8:12     ` David S. Miller [this message]
     [not found] <no.id>
2001-08-16 14:56 ` Alan Cox
2001-08-17 10:18   ` Gerd Knorr

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