Re: [PATCH] PC300 update

[Christoph Hellwig <hch _at_ xxxxxxxxxxxxx>]

On Wed, Jan 28, 2004 at 10:06:25PM -0200, Marcelo Tosatti wrote:
> 
> 
> Hi Christoph!
> 
> On Wed, 28 Jan 2004, Christoph Hellwig wrote:
> 
> > > - Mark pci_device_id list with __devinitdata
> >
> > This is bogus and can crash the kernel if you're unlucky.
> 
> Other wan drivers are doing the same:
> 
> [marcelo _at_ logos wan]$ grep __devinitdata *
> farsync.c:static char *type_strings[] __devinitdata = {
> wanxl.c:static struct pci_device_id wanxl_pci_tbl[] __devinitdata = {
> 
> I believe a handful of others are using "__devinitdata". How can the
> kernel crash because of this? Who will try to touch the data?

The id table is register witch the pci core who will look at it for
probing (e.g. when a new module is loaded), so it may not simply disappear
behind the scenes.

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