On Tue, Jan 15, 2019 at 10:32:03AM -0700, Logan Gunthorpe wrote:
> The disable_acs_redir parameter stores a pointer to the string passed to
> pci_setup(). However, the string passed to PCI setup is actually a
> temporary copy allocated in static __initdata memory. After init, once
> the memory is f
On 2019-01-16 2:37 a.m., Jarkko Nikula wrote:
> So this doesn't happen if you revert c5eb1190074c?
Yes, but the bug was fully mine in the disable_acs_redir code. That
patch only just made it noticable to me.
> I guess this is due dev->state_saved being true set by
> pci_pm_runtime_suspend() -
Hi
On 1/15/19 7:32 PM, Logan Gunthorpe wrote:
The disable_acs_redir parameter stores a pointer to the string passed to
pci_setup(). However, the string passed to PCI setup is actually a
temporary copy allocated in static __initdata memory. After init, once
the memory is freed, it is no longer va
The disable_acs_redir parameter stores a pointer to the string passed to
pci_setup(). However, the string passed to PCI setup is actually a
temporary copy allocated in static __initdata memory. After init, once
the memory is freed, it is no longer valid to reference this pointer.
This bug was noti
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