[PATCH V5 0/4] PCI/ASPM: reconfigure ASPM following hotplug for POLICY_DEFAULT
Sinan Kaya
okaya at codeaurora.org
Wed Mar 29 13:36:04 PDT 2017
On 3/29/2017 4:16 PM, Patel, Mayurkumar wrote:
> Actually, I have taken same patches of yours which proposed and applied it correctly. Will try it with clean
> build if that helps.
>
> But what I could understand from following patch is https://patchwork.codeaurora.org/patch/207653/
>
> We still have a flow of pci_aspm_init() -> alloc_pcie_link_state() -> pci_function_0()
> Where I see the first Kernel NULL pointer crash while accessing pdev->subordinate in pci_function_0() function.
OK. It looks like somebody moved function_0 call around. I was looking at 4.11-rc1.
3bd7db63a841e8c5297bb18ad801df67d5e38ad2 (PCI/ASPM: Always set link->downstream to avoid NULL dereference on remove)
I see the change in 4.11-rc3 now.
Let me see what's going on.
--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
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