> -----Original Message----- > From: Greg KH [mailto:gregkh@xxxxxxxxxxxxxxxxxxx] > Sent: Sunday, October 1, 2017 8:24 AM > To: Limonciello, Mario <Mario_Limonciello@xxxxxxxx> > Cc: dvhart@xxxxxxxxxxxxx; andy.shevchenko@xxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; platform-driver-x86@xxxxxxxxxxxxxxx; luto@xxxxxxxxxx; > quasisec@xxxxxxxxxx; pali.rohar@xxxxxxxxx; rjw@xxxxxxxxxxxxx; > mjg59@xxxxxxxxxx; hch@xxxxxx > Subject: Re: [PATCH v3 4/8] platform/x86: wmi: create character devices when > requested by drivers > > On Sat, Sep 30, 2017 at 07:26:57PM +0000, Mario.Limonciello@xxxxxxxx wrote: > > I think what's Darren's most interested in is the that conceptually this is > > an approach you can agree with. > > > > "A WMI vendor driver binds to the WMI bus and requests the WMI bus to > create > > a character device. The WMI bus creates a character device /dev/wmi/$driver > > which the WMI vendor driver will process all various file operations." > > We've been over this before, let's see that actual implementation which > defines the "will process all..." implementation to see if that is > actually an acceptable thing. > > thanks, > > greg k-h I'm working on changes still (that you'll be CC on), but I don't expect this specific concept to change in the future changes: Bus creating character device: https://patchwork.kernel.org/patch/9975283/ Driver requesting character device: https://patchwork.kernel.org/patch/9975263/
