From: Jarod Wilson <jwilson@redhat.com>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: linux1394-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org,
"Kristian Høgsberg" <krh@redhat.com>,
"Nick Piggin" <nickpiggin@yahoo.com.au>
Subject: Re: [PATCH 2/4] firewire: fw-cdev: use device generation, not card generation
Date: Thu, 24 Jan 2008 11:05:27 -0500 [thread overview]
Message-ID: <4798B747.1040408@redhat.com> (raw)
In-Reply-To: <tkrat.8ff4f57f5db5f094@s5r6.in-berlin.de>
Stefan Richter wrote:
> We have to use the fw_device.generation here, not the fw_card.generation,
> because the generation must never be newer than the node ID when we emit
> a transaction. This cannot be guaranteed with fw_card.generation.
>
> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Verified in concert with parts 1 and 3 as well as with 1, 3 and 4, to fix
'giving up on config rom' issues on multiple system and drive combinations
that were previously affected.
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
--
Jarod Wilson
jwilson@redhat.com
next prev parent reply other threads:[~2008-01-24 16:05 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-01 1:49 [PATCH] firewire: fw-core: enforce write order when updating fw_device.generation Stefan Richter
2007-11-01 1:50 ` [PATCH] firewire: fw-core: react on bus resets while the config ROM is being fetched Stefan Richter
2007-11-01 1:51 ` [PATCH] firewire: fw-sbp2: enforce read order of device generation and node ID Stefan Richter
2007-11-01 3:53 ` [PATCH] firewire: fw-core: enforce write order when updating fw_device.generation Nick Piggin
2007-11-01 9:51 ` dealing with barriers (was Re: [PATCH] firewire: fw-core: enforce write order when updating fw_device.generation) Stefan Richter
2007-11-01 11:32 ` Nick Piggin
2008-01-24 0:52 ` [PATCH 0/4] firewire: order of memory accesses (bus generation vs. node ID) Stefan Richter
2008-01-24 0:53 ` [PATCH 1/4] firewire: fw-sbp2: use device generation, not card generation Stefan Richter
2008-01-24 16:04 ` Jarod Wilson
2008-01-24 0:53 ` [PATCH 2/4] firewire: fw-cdev: " Stefan Richter
2008-01-24 16:05 ` Jarod Wilson [this message]
2008-01-24 0:54 ` [PATCH 3/4] firewire: enforce access order between generation and node ID Stefan Richter
2008-01-24 4:55 ` Nick Piggin
2008-01-24 16:06 ` Jarod Wilson
2008-01-25 16:35 ` Stefan Richter
2008-01-25 17:57 ` Stefan Richter
[not found] ` <59ad55d30801251024j6ff43953tb86aaa52fdea5ec9@mail.gmail.com>
2008-01-25 22:25 ` Stefan Richter
2008-01-24 0:55 ` [PATCH 4/4] firewire: fw-core: react on bus resets while the config ROM is being fetched Stefan Richter
2008-01-24 16:11 ` Jarod Wilson
2008-01-24 19:26 ` Jarod Wilson
2008-01-25 16:53 ` [PATCH 4/4 update] " Stefan Richter
2008-01-25 17:16 ` Jarod Wilson
2008-01-25 17:21 ` Stefan Richter
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