lkml.org 
[lkml]   [2018]   [Feb]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 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)
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

\
 
 \ /
  Last update: 2018-02-27 20:36    [W:0.050 / U:3.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site