All of lore.kernel.org
 help / color / mirror / Atom feed
From: Oliver Neukum <oliver@neukum.org>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Daniel Mack <daniel@caiaq.de>,
	linux-kernel@vger.kernel.org, Pedro Ribeiro <pedrib@gmail.com>,
	akpm@linux-foundation.org, Greg KH <gregkh@suse.de>,
	alsa-devel@alsa-project.org, linux-usb@vger.kernel.org
Subject: Re: USB transfer_buffer allocations on 64bit systems
Date: Thu, 8 Apr 2010 08:12:04 +0200	[thread overview]
Message-ID: <201004080812.04419.oliver@neukum.org> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1004071120200.1779-100000@iolanthe.rowland.org>

Am Mittwoch, 7. April 2010 17:46:17 schrieb Alan Stern:
> Or alternatively, instead of allocating regular memory the routine
> could simply fail.  Then the caller would be responsible for checking
> and using regular memory instead of dma-consistent memory.  Of course,
> that would put an even larger burden on the caller than just forcing it
> to keep track of what flag to use.

Then it would be sensible to pass it a filled URB, modify it or return
an error code.

	Regards
		Oliver

  reply	other threads:[~2010-04-08  8:03 UTC|newest]

Thread overview: 221+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-07  9:06 USB transfer_buffer allocations on 64bit systems Daniel Mack
2010-04-07  9:06 ` Daniel Mack
     [not found] ` <p2g581ef6d61004070220z1153d40ez955b356e01220848@mail.gmail.com>
2010-04-07  9:26   ` USB HID gadget driver (was: Re: USB transfer_buffer allocations on 64bit systems) Daniel Mack
2010-04-07  9:26     ` Daniel Mack
2010-04-07 14:59 ` USB transfer_buffer allocations on 64bit systems Alan Stern
2010-04-07 14:59   ` Alan Stern
2010-04-07 15:11   ` Daniel Mack
2010-04-07 15:11     ` Daniel Mack
2010-04-07 15:31     ` Greg KH
2010-04-07 15:31       ` Greg KH
2010-04-07 15:35       ` Daniel Mack
2010-04-07 15:35         ` Daniel Mack
2010-04-07 15:51         ` Greg KH
2010-04-07 15:51           ` Greg KH
2010-04-07 16:04           ` Alan Stern
2010-04-07 16:04             ` Alan Stern
2010-04-08  6:09         ` Oliver Neukum
2010-04-08 11:07           ` Daniel Mack
2010-04-08 11:07             ` Daniel Mack
2010-04-07 15:55       ` Alan Stern
2010-04-07 15:55         ` Alan Stern
2010-04-07 16:16         ` Daniel Mack
2010-04-07 16:16           ` Daniel Mack
2010-04-07 16:47           ` Alan Stern
2010-04-07 16:47             ` Alan Stern
2010-04-07 17:55           ` Takashi Iwai
2010-04-07 17:55             ` Takashi Iwai
2010-04-07 17:59             ` Daniel Mack
2010-04-07 17:59               ` Daniel Mack
2010-04-07 18:06               ` Takashi Iwai
2010-04-07 18:06                 ` Takashi Iwai
2010-04-07 19:13             ` Alan Stern
2010-04-07 19:13               ` Alan Stern
2010-04-07 23:59               ` Robert Hancock
2010-04-07 23:59                 ` Robert Hancock
2010-04-08  0:33               ` Greg KH
2010-04-08  0:33                 ` Greg KH
2010-04-09  0:01                 ` Robert Hancock
2010-04-09 16:50                   ` Sarah Sharp
2010-04-09 16:50                     ` Sarah Sharp
2010-04-09 23:38                     ` Robert Hancock
2010-04-09 23:38                       ` Robert Hancock
2010-04-10  8:34                       ` [alsa-devel] " Daniel Mack
2010-04-10  8:34                         ` Daniel Mack
2010-04-10 17:02                         ` [alsa-devel] " Robert Hancock
2010-04-12 18:56                           ` Sarah Sharp
2010-04-12 20:39                             ` Robert Hancock
2010-04-12 20:39                               ` Robert Hancock
2010-04-12 20:58                               ` Sarah Sharp
2010-04-12 11:17               ` [PATCH] USB: rename usb_buffer_alloc() and usb_buffer_free() Daniel Mack
2010-04-12 11:17                 ` Daniel Mack
2010-04-13 18:16                 ` Daniel Mack
2010-04-13 18:16                   ` Daniel Mack
2010-04-13 19:27                   ` Alan Stern
2010-04-13 19:27                     ` Alan Stern
2010-04-13 20:26                     ` Greg KH
2010-04-13 21:47                       ` Daniel Mack
2010-04-13 21:47                         ` Daniel Mack
2010-04-07 17:52         ` USB transfer_buffer allocations on 64bit systems Takashi Iwai
2010-04-07 17:52           ` Takashi Iwai
2010-04-07 15:46     ` Alan Stern
2010-04-07 15:46       ` Alan Stern
2010-04-08  6:12       ` Oliver Neukum [this message]
2010-04-08 16:59         ` Alan Stern
2010-04-08 16:59           ` Alan Stern
2010-04-08 21:24           ` Oliver Neukum
2010-04-08 22:20             ` Alan Stern
2010-04-08 22:20               ` Alan Stern
2010-04-09  6:04               ` Oliver Neukum
2010-04-09 14:41                 ` Alan Stern
2010-04-09 14:41                   ` Alan Stern
2010-04-09 14:50                   ` Oliver Neukum
2010-04-09 14:50                     ` Oliver Neukum
2010-04-09 15:15                     ` Alan Stern
2010-04-09 15:15                       ` Alan Stern
2010-04-09 20:51                       ` Oliver Neukum
2010-04-09 20:51                         ` Oliver Neukum
2010-04-09 21:21                         ` Alan Stern
2010-04-09 21:21                           ` Alan Stern
2010-04-07 16:54   ` Oliver Neukum
2010-04-07 16:54     ` Oliver Neukum
2010-04-07 17:00     ` Daniel Mack
2010-04-07 17:00       ` Daniel Mack
2010-04-07 23:55   ` Robert Hancock
2010-04-07 23:55     ` Robert Hancock
2010-04-08  2:10     ` Alan Stern
2010-04-08  2:10       ` Alan Stern
2010-04-08  7:30       ` Daniel Mack
2010-04-08  7:30         ` Daniel Mack
2010-04-08 16:57         ` Alan Stern
2010-04-08 16:57           ` Alan Stern
2010-04-08 17:17           ` Pedro Ribeiro
2010-04-08 18:17             ` Alan Stern
2010-04-08 23:13           ` Pedro Ribeiro
2010-04-08 23:13             ` Pedro Ribeiro
2010-04-09 16:01             ` Alan Stern
2010-04-09 16:01               ` Alan Stern
2010-04-09 18:09               ` Daniel Mack
2010-04-09 18:19                 ` Pedro Ribeiro
2010-04-09 18:19                   ` Pedro Ribeiro
2010-04-09 19:34                   ` Alan Stern
2010-04-09 19:34                     ` Alan Stern
2010-04-09 20:14                     ` Daniel Mack
2010-04-09 20:14                       ` Daniel Mack
2010-04-09 20:25                     ` [LKML] " Konrad Rzeszutek Wilk
2010-04-09 20:25                       ` Konrad Rzeszutek Wilk
2010-04-09 21:23                       ` Alan Stern
2010-04-09 21:23                         ` Alan Stern
2010-04-09 22:11                         ` Robert Hancock
2010-04-12 10:48                           ` Daniel Mack
2010-04-12 10:48                             ` Daniel Mack
2010-04-12 12:06                             ` Pedro Ribeiro
2010-04-10 12:49                   ` Daniel Mack
2010-04-10 12:49                     ` Daniel Mack
2010-04-10 13:21                     ` Pedro Ribeiro
2010-04-10 13:21                       ` Pedro Ribeiro
2010-04-12  8:59   ` Andi Kleen
2010-04-12  8:59     ` Andi Kleen
2010-04-12 11:14     ` Daniel Mack
2010-04-12 11:14       ` Daniel Mack
2010-04-12 11:53       ` Andi Kleen
2010-04-12 11:53         ` Andi Kleen
2010-04-12 12:11         ` Pedro Ribeiro
2010-04-12 12:12           ` Andi Kleen
2010-04-12 12:12             ` Andi Kleen
2010-04-12 12:32             ` Daniel Mack
2010-04-12 12:47               ` Andi Kleen
2010-04-12 12:54                 ` Daniel Mack
2010-04-12 12:54                   ` Daniel Mack
2010-04-12 15:43                   ` Andi Kleen
2010-04-12 16:17                     ` Alan Stern
2010-04-12 16:17                       ` Alan Stern
2010-04-12 16:29                       ` Andi Kleen
2010-04-12 16:57                         ` Alan Stern
2010-04-12 16:57                           ` Alan Stern
2010-04-12 17:15                           ` Daniel Mack
2010-04-12 17:15                             ` Daniel Mack
2010-04-12 17:22                             ` Andi Kleen
2010-04-12 17:22                               ` Andi Kleen
2010-04-12 17:56                               ` Daniel Mack
2010-04-12 17:56                                 ` Daniel Mack
2010-04-12 17:52                             ` [LKML] " Konrad Rzeszutek Wilk
2010-04-12 17:52                               ` Konrad Rzeszutek Wilk
2010-04-13 18:22                           ` Daniel Mack
2010-04-13 18:22                             ` Daniel Mack
2010-04-13 23:46                             ` Pedro Ribeiro
2010-04-13 23:46                               ` Pedro Ribeiro
2010-04-14 10:09                               ` Daniel Mack
2010-04-14 10:09                                 ` Daniel Mack
2010-04-14 10:47                                 ` Pedro Ribeiro
2010-04-14 11:02                                   ` Pedro Ribeiro
2010-04-14 13:18                                   ` [LKML] " Konrad Rzeszutek Wilk
2010-04-14 14:08                                   ` Alan Stern
2010-04-14 14:08                                     ` Alan Stern
2010-04-14 16:36                                     ` Daniel Mack
2010-04-14 16:36                                       ` Daniel Mack
2010-04-14 17:21                                       ` Pedro Ribeiro
2010-04-14 17:21                                         ` Pedro Ribeiro
2010-04-14 18:23                                         ` Alan Stern
2010-04-14 18:27                                           ` Pedro Ribeiro
2010-04-14 18:53                                             ` Alan Stern
2010-04-15  7:35                                         ` Daniel Mack
2010-04-15  7:35                                           ` Daniel Mack
2010-04-14 18:15                                       ` Alan Stern
2010-04-14 18:36                                         ` David Woodhouse
2010-04-14 21:12                                           ` Pedro Ribeiro
2010-04-14 22:25                                             ` Chris Wright
2010-04-14 22:56                                               ` Pedro Ribeiro
2010-04-14 23:37                                                 ` Chris Wright
2010-04-15  1:20                                                   ` Pedro Ribeiro
2010-04-15 15:20                                                     ` Alan Stern
2010-04-20  0:16                                                       ` Pedro Ribeiro
2010-05-07  7:48                                                         ` Daniel Mack
2010-05-07  7:48                                                           ` Daniel Mack
2010-05-07  9:47                                                           ` [alsa-devel] " Clemens Ladisch
2010-05-07  9:47                                                             ` Clemens Ladisch
2010-05-07 10:24                                                             ` [alsa-devel] " Daniel Mack
2010-05-07 10:24                                                               ` Daniel Mack
2010-05-07 14:51                                                               ` [alsa-devel] " Alan Stern
2010-05-07 14:51                                                                 ` Alan Stern
2010-05-10  2:50                                                                 ` FUJITA Tomonori
2010-05-10  9:21                                                                   ` David Woodhouse
2010-05-10  9:21                                                                     ` David Woodhouse
2010-05-10 14:58                                                                     ` [alsa-devel] " Alan Stern
2010-05-10 14:58                                                                       ` Alan Stern
2010-05-11  1:06                                                                       ` FUJITA Tomonori
2010-05-11  1:06                                                                         ` FUJITA Tomonori
2010-05-11 14:00                                                                         ` Alan Stern
2010-05-11 14:00                                                                           ` Alan Stern
2010-05-11 14:22                                                                           ` FUJITA Tomonori
2010-05-11 14:24                                                                           ` Konrad Rzeszutek Wilk
2010-05-11 14:38                                                                             ` FUJITA Tomonori
2010-05-11 15:04                                                                               ` Alan Stern
2010-05-11 15:04                                                                                 ` Alan Stern
2010-05-11 15:34                                                                                 ` FUJITA Tomonori
2010-05-11 16:06                                                                                   ` Alan Stern
2010-05-11 16:09                                                                                     ` Daniel Mack
2010-05-11 16:48                                                                                     ` Pedro Ribeiro
2010-05-11 17:10                                                                                       ` Daniel Mack
2010-05-11 17:32                                                                                         ` Pedro Ribeiro
2010-05-11 17:38                                                                                           ` Daniel Mack
2010-05-12 23:50                                                                                             ` Pedro Ribeiro
2010-05-13  9:36                                                                                               ` Daniel Mack
2010-05-14  0:17                                                                                                 ` Pedro Ribeiro
2010-05-11 14:57                                                                             ` Alan Stern
2010-05-11 15:05                                                                               ` Daniel Mack
2010-05-10 14:31                                                               ` Konrad Rzeszutek Wilk
2010-05-10 14:31                                                                 ` Konrad Rzeszutek Wilk
2010-05-07 11:42                                                             ` Oliver Neukum
2010-05-07 11:42                                                               ` Oliver Neukum
2010-05-07 11:47                                                               ` Oliver Neukum
2010-05-07 11:47                                                                 ` Oliver Neukum
2010-05-07 11:58                                                                 ` Daniel Mack
2010-05-07 11:58                                                                   ` Daniel Mack
2010-05-07 14:45                                                                   ` [alsa-devel] " Alan Stern
2010-05-07 14:45                                                                     ` Alan Stern
2010-04-14 18:38                                         ` Chris Wright
2010-04-14 20:29                                           ` Alan Stern
2010-04-14 21:01                                             ` Konrad Rzeszutek Wilk
2010-04-14 21:12                                               ` Pedro Ribeiro
2010-04-15  1:50                                                 ` Alan Stern

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=201004080812.04419.oliver@neukum.org \
    --to=oliver@neukum.org \
    --cc=akpm@linux-foundation.org \
    --cc=alsa-devel@alsa-project.org \
    --cc=daniel@caiaq.de \
    --cc=gregkh@suse.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=pedrib@gmail.com \
    --cc=stern@rowland.harvard.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.