From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Ram Pai <linuxram@us.ibm.com>
Cc: torvalds@linux-foundation.org, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org, yinghai@kernel.org,
bhutchings@solarflare.com, socketcan@hartkopp.net,
bhelgaas@google.com, linux@dominikbrodowski.net
Subject: Re: [PATCH 1/5 v3] PCI: honor child buses add_size in hot plug configuration
Date: Mon, 1 Aug 2011 11:52:05 -0700 [thread overview]
Message-ID: <20110801115205.0f165e75@jbarnes-desktop> (raw)
In-Reply-To: <1311624522-30242-2-git-send-email-linuxram@us.ibm.com>
On Mon, 25 Jul 2011 13:08:38 -0700
Ram Pai <linuxram@us.ibm.com> wrote:
> From: Yinghai Lu <yinghai@kernel.org>
>
> git commit c8adf9a3e873eddaaec11ac410a99ef6b9656938
> "PCI: pre-allocate additional resources to devices only after
> successful allocation of essential resources."
>
> fails to take into consideration the optional-resources needed by children
> devices while calculating the optional-resource needed by the bridge.
>
> This can be a problem on some setup. For example, if a hotplug bridge has 8
> children hotplug bridges, the bridge should have enough resources to accomodate
> the hotplug requirements for each of its children hotplug bridges. Currently
> this is not the case.
>
> This patch fixes the problem.
Just pulled these guys into my for-linus branch. They should be safe
since they're behind the new =realloc param, but please test.
Thanks,
--
Jesse Barnes, Intel Open Source Technology Center
next prev parent reply other threads:[~2011-08-01 18:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-25 20:08 [PATCH 0/5 v3] PCI: fix cardbus and sriov regressions Ram Pai
2011-07-25 20:08 ` [PATCH 1/5 v3] PCI: honor child buses add_size in hot plug configuration Ram Pai
2011-08-01 18:52 ` Jesse Barnes [this message]
2011-07-25 20:08 ` [PATCH 2/5 v3] PCI : ability to relocate assigned pci-resources Ram Pai
2011-07-25 20:08 ` [PATCH 3/5 v3] PCI: make SRIOV resources optional Ram Pai
2011-07-25 20:08 ` [PATCH 4/5 v3] PCI: make cardbus-bridge " Ram Pai
2011-07-25 20:08 ` [PATCH 5/5 v3] PCI: code and comments cleanup Ram Pai
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