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

From: Christoph Hellwig
Date: Fri Jun 17 2005 - 13:55:31 EST

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.

> 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.

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