Re: Can a driver->probe be called for two devices at the same time (WAS: Re: [PATCH] crypto/ccp: don't disable interrupts while setting up debugfs)

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On 2018-02-27 19:40:34 [+0100], Greg Kroah-Hartman wrote:
> On Tue, Feb 27, 2018 at 06:33:14PM +0100, Sebastian Andrzej Siewior wrote:
> > On 2018-02-27 11:08:56 [-0600], Gary R Hook wrote:
> > > That issue remains unclear to me: Are probes of PCI devices guaranteed to be
> > > serialized? Observations on my CCPs says that they occur in order, but I
> > > don't know for certain that serialization is guaranteed.
> > > 
> > > Is there a definitive statement on this somewhere that I just don't know
> > > about?
> 
> The bus enforces this.
> 
> > So the question if a driver can probe two devices simultaneously.
> 
> Depends on the bus type.

PCI

> thanks,
> 
> greg k-h

Sebastian



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