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SubjectRe: [PATCH] pci-sysfs: replace mutex_lock with mutex_trylock to avoid potential deadlock situation
Hi all,
I have worked out a draft patch set to serialize hotplug operations,
but encountered some obstacles when dealing with PCI root buses. I will
try to rebase the patch set onto "PCI: Iterate pci host bridge instead of
pci root bus" from Yinghai. And also need to fix bugs reported by Lin Feng


On 2013-1-26 4:59, Yinghai Lu wrote:
> On Fri, Jan 25, 2013 at 12:30 PM, Bjorn Helgaas <> wrote:
>> If we're going to fix the sysfs deadlock (and we should), I want to
>> either see an argument for why we don't have a problem outside of
>> sysfs, or I want to fix sysfs and non-sysfs at the same time.
> Sure.
> Jiang should have one patches to address that?
> Yinghai

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