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SubjectRe: [PATCH] PCI: keystone: fix crash with deferred probe
On Mon, Nov 23, 2015 at 07:22:09PM +0800, Jisheng Zhang wrote:
> when trying to add berlin pcie support and came up one patch
>
> http://lists.infradead.org/pipermail/linux-arm-kernel/2015-November/384575.html
>
> when build testing, I also realized this issue, but keystone relies on
> hook_fault_code() which is will be freed after boot, so your patch isn't
> completed.

hook_fault_code() is intentionally not callable after boot. It's unsafe
to try to change the fault handling for a running system. It's even more
unsafe to try to remove a fault handler which is located in module code.

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