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From: Linus Torvalds <torvalds@linux-foundation.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Parag Warudkar <parag.lkml@gmail.com>,
	Matt Carlson <mcarlson@broadcom.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: 2.6.29-rc3: tg3 dead after resume
Date: Sat, 31 Jan 2009 16:51:19 -0800 (PST)	[thread overview]
Message-ID: <alpine.LFD.2.00.0901311639530.3067@localhost.localdomain> (raw)
In-Reply-To: <alpine.LFD.2.00.0901311623520.3067@localhost.localdomain>



On Sat, 31 Jan 2009, Linus Torvalds wrote:
> 
> For a USB host controller, for example, it really could make sense to do 
> that - just leave all the core host controller stuff running, and the only 
> thing the "suspend()" callback does is to send the commands to the actual 
> devices, it doesn't necessarily touch the host controller itself at all.

Same is quite likely true of things like video graphics adapters. Again, 
for all the same reasons. Think about all those fbcon drivers. They will 
use DMA for things. And again, there are very compelling debugging reasons 
to not suspend them for real until suspend_late (if even then).

		Linus

  parent reply	other threads:[~2009-02-01  0:52 UTC|newest]

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-29  0:14 2.6.29-rc3: tg3 dead after resume Parag Warudkar
2009-01-29  1:09 ` Linus Torvalds
2009-01-29  1:49   ` Parag Warudkar
2009-01-29  2:10     ` Linus Torvalds
2009-01-29  2:19       ` Matt Carlson
2009-01-29 22:22         ` Rafael J. Wysocki
2009-01-29 18:42     ` Matt Carlson
2009-01-29 22:06       ` Parag Warudkar
2009-01-29 22:22         ` Matt Carlson
2009-01-29 22:35           ` Parag Warudkar
2009-01-29 23:10             ` Rafael J. Wysocki
2009-01-30 18:40             ` Matt Carlson
2009-01-30 22:50               ` Parag Warudkar
2009-01-30 23:06                 ` Linus Torvalds
2009-01-30 23:33                   ` Linus Torvalds
2009-01-30 23:45                   ` Parag Warudkar
2009-01-30 23:57                     ` Linus Torvalds
2009-01-30 23:59                     ` Rafael J. Wysocki
2009-01-31  0:28                       ` Parag Warudkar
2009-01-31  0:38                         ` Rafael J. Wysocki
2009-01-31  0:44                           ` Ingo Molnar
2009-01-31  0:47                             ` Rafael J. Wysocki
2009-01-31  1:21                           ` Parag Warudkar
2009-01-31  1:37                             ` Rafael J. Wysocki
2009-01-31  1:42                               ` Parag Warudkar
2009-02-03  9:29                                 ` Rafael J. Wysocki
2009-02-03 21:27                                   ` Parag Warudkar
2009-02-03 22:15                                     ` Rafael J. Wysocki
2009-02-03 23:50                                       ` WARNING: at drivers/pci/pci-driver.c:368 Parag Warudkar
2009-02-04  0:10                                         ` Rafael J. Wysocki
2009-02-04  0:17                                           ` Parag Warudkar
2009-02-04  0:19                                             ` Parag Warudkar
2009-02-04  0:38                                       ` 2.6.29-rc3: tg3 dead after resume Parag Warudkar
2009-02-04  0:41                                         ` Rafael J. Wysocki
2009-02-07  3:00                                           ` Linus Torvalds
2009-02-07 18:03                                             ` Jesse Barnes
2009-01-31  1:46                             ` Linus Torvalds
2009-01-31  1:54                               ` Parag Warudkar
2009-01-31  2:25                                 ` Linus Torvalds
2009-01-31  2:40                                   ` Parag Warudkar
2009-01-31 18:51                                     ` Rafael J. Wysocki
2009-01-31  2:19                               ` Linus Torvalds
2009-01-31 20:45                                 ` Rafael J. Wysocki
2009-01-31  1:41                           ` Linus Torvalds
2009-01-31 21:08                             ` Rafael J. Wysocki
2009-01-31 21:42                               ` What should PCI core do during suspend-resume? (was: Re: 2.6.29-rc3: tg3 dead after resume) Rafael J. Wysocki
2009-01-31 21:59                                 ` Linus Torvalds
2009-01-31 23:08                                   ` Rafael J. Wysocki
2009-01-31 23:27                                     ` Linus Torvalds
2009-01-31 23:39                                       ` Linus Torvalds
2009-02-01  0:36                                         ` Rafael J. Wysocki
2009-02-01  1:06                                           ` Linus Torvalds
2009-02-01  1:13                                             ` Linus Torvalds
2009-02-01  1:20                                             ` Arjan van de Ven
2009-02-01  1:24                                             ` Rafael J. Wysocki
2009-02-07  9:21                                 ` Pavel Machek
2009-01-31 21:47                               ` 2.6.29-rc3: tg3 dead after resume Linus Torvalds
2009-01-31 22:46                                 ` Rafael J. Wysocki
2009-01-31 23:01                                   ` Linus Torvalds
2009-02-01  0:11                                     ` Rafael J. Wysocki
2009-02-01  0:32                                       ` Linus Torvalds
2009-02-01  0:41                                         ` Rafael J. Wysocki
2009-02-01  0:51                                         ` Linus Torvalds [this message]
2009-02-07  3:27                                           ` Benjamin Herrenschmidt
2009-02-07  3:26                                     ` Benjamin Herrenschmidt
2009-01-29 23:03         ` Rafael J. Wysocki
2009-01-29 23:41           ` Matt Carlson
2009-01-30  0:10             ` Rafael J. Wysocki
2009-01-30 22:31               ` Parag Warudkar
2009-01-30 22:36                 ` Linus Torvalds
2009-01-30 22:54                 ` Rafael J. Wysocki
2009-01-30 23:07                   ` Linus Torvalds
2009-01-30 23:13                   ` Parag Warudkar
2009-01-30 23:31                     ` Rafael J. Wysocki
2009-01-30 23:51                       ` Linus Torvalds
2009-01-31  0:07                         ` Rafael J. Wysocki
2009-01-31  0:34                         ` Rafael J. Wysocki

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