[Quantal][Raring][SRU][PATCH 0/1] UBUNTU: [Config] HOTPLUG_PCI_ACPI=y
Gavin Guo
gavin.guo at canonical.com
Mon Apr 29 14:34:29 UTC 2013
From: Gavin Guo <gavin.guo at canonical.com>
BugLink: http://bugs.launchpad.net/bugs/1091125
== SRU Justification ==
The PCI express card hotplugging cannot work without being built in the ACPIPHP module.
== Fix ==
In order to support PCI express card hot-plugging function, there
are many ways to achieve the target. Either adding acpiphp under the
/etc/modules or being built-in the acpiphp modules. I've tried submitting
a patch which modified the module-init-tools which is the debian package
for /etc/modules and the maintainer suggested to solve the bug in the
kernel side. Recently, I found the PCI maintainer has changed the
option to built-in only if anyone want to enable acpiphp because of
the sub-driver dependency issue. The patch was still in the linux-next
tree and it include not only the change of HOTPLUG_PCI_ACPI to bool but
also other codes which may need backporting a lot of commits. I consider
enabling the config through building in is a good solution.
== Impact ==
Without this patch, PCI express card hotplugging cannot work.
== Test Case ==
The patch has been tested on Dell Precision M4700.
Gavin Guo (1):
UBUNTU: [Config] HOTPLUG_PCI_ACPI=y
debian.master/config/config.common.ubuntu | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--
1.7.10.4
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