On Thu, 2006-07-06 at 03:44, Linas Vepstas wrote:
> On Wed, Jul 05, 2006 at 08:49:27AM -0700, Auke Kok wrote:
> > Zhang, Yanmin wrote:
> > >On Fri, 2006-06-30 at 00:26, Linas Vepstas wrote:
> > >>Adds PCI Error recovery callbacks to the Intel 10-gigabit ethernet
> > >>ixgb device driver. Lightly tested, works.
> > >
> > >Both pci_disable_device and ixgb_down would access the device. It doesn't
> > >follow Documentation/pci-error-recovery.txt that error_detected shouldn't
> > >do
> > >any access to the device.
> >
> > Moreover, it was Linas who wrote this documentation in the first place :)
>
> On the pSeries, its harmless to try to do i/o; the i/o will e blocked.
In the future, we might move the pci error recovery codes to generic to
support other platforms which might not block I/O. So it's better to follow
Documentation/pci-error-recovery.txt when adding error recovery codes into driver.
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