Re: [PATCH] pci: don't override drv->shutdown unconditionally

From: Greg KH
Date: Fri Jun 17 2005 - 14:01:36 EST

On Fri, Jun 17, 2005 at 08:51:04PM +0200, Christoph Hellwig wrote:
> On Fri, Jun 17, 2005 at 11:49:14AM -0700, Greg KH wrote:
> > On Fri, Jun 17, 2005 at 08:30:57PM +0200, Christoph Hellwig wrote:
> > > There are many drivers that have been setting the generic driver
> > > model­level shutdown callback, and pci thus must not override it.
> > >
> > > Without this patch we can have really bad data loss on various
> > > raid controllers.
> >
> > Without the kexec patch?
> On shutdown. I don't know why you're talking about kexec here.

Because of the previous kexec comments on the linux-scsi list.

> > So, why are these drivers setting the shutdown function in the first
> > place if they don't want it to be called?
> They _do_ want it called. They set the driver-model level one because
> there hasn't been a pci-level one until a few years ago.

So they are setting two callbacks? Have a pointer to any driver that
does this?


greg k-h
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