On Sat, Mar 08, 2003 at 11:12:37AM -0800, Greg KH wrote:
> On Sat, Mar 08, 2003 at 10:47:49AM +0000, Russell King wrote:
> > Hi,
> >
> > What prevents the following scenario from happening? It's purely
> > theoretical - I haven't seen this occuring.
> >
> > - Load PCI driver.
> >
> > - PCI driver registers using pci_module_init(), and adds itself to sysfs.
> >
> > - Hot-plugin a PCI device which uses this driver. sysfs matches the PCI
> > driver, and calls the PCI drivers probe function.
>
> Ugh, yes you are correct, I can't believe I missed this before.
>
> How does this patch look?
Hrm, I'm wondering whether this should be part of the device model
infrastructure. After all, surely every subsystems device driver
which could be a module would need this to prevent unload races?
-- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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