Messages in this thread | | | Date | Thu, 15 Jan 2015 08:06:12 -0800 | From | Christoph Hellwig <> | Subject | Re: [PATCH for v3.19, v2] Avoid that sd_shutdown() triggers a kernel warning |
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On Wed, Jan 14, 2015 at 10:07:00AM -0500, Alan Stern wrote: > and the kernfs core insures that the underlying device won't be > deallocated while a sysfs method runs.
It has a reference to keep it from beeing freed, but so far I can't find anything that prevents ->remove from beeing called while we are in or just before a method call.
> > But this seems like a more generic problem, and at least a quick glance at > > the pci_driver methods seems like others don't have a good > > synchroniation of ->remove against random driver methods. > > Can you give one or two examples?
I look at the sriov_configure PCI method, or the various sub-methods under pci_driver.err_handler.
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