On Fri, Apr 26, 2013 at 9:28 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: > This is a gross hack. Iterating through all known pci_devs to see if > this one still exists? > > I reproduced the original problem, applied this patch, and verified > that it avoids the original crash. > > However, it's still incorrect because now you're looking at pdev after > it's been freed. With CONFIG_SLUB_DEBUG_ON=y, the removal still causes > a crash in remove_callback(). > Yes, there is small window, that could have bus and dev get freed... Please check attached that should address your concerns. Thanks Yinghai
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remove_callback_clean.patch
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Attachment:
fix_racing_removing_2.patch
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