diff options
| author | Arun Easi <aeasi@marvell.com> | 2021-04-09 14:51:53 -0700 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2021-04-30 14:38:32 -0500 |
| commit | e00dc69b5f17c444a38cd9745a0f76bc989b3af4 (patch) | |
| tree | 825dc812aadce634fa77d6cb9a356456fb1bc3cb /include/video/pmagb-b-fb.h | |
| parent | 5881b38912f3f48a4bd74a4eed58be12df012063 (diff) | |
PCI: Allow VPD access for QLogic ISP2722
0d5370d1d852 ("PCI: Prevent VPD access for QLogic ISP2722") disabled access
to VPD of the ISP2722-based 16/32Gb Fibre Channel to PCIe Adapter because
reading past the end of the VPD caused NMIs.
104daa71b396 ("PCI: Determine actual VPD size on first access") limits
reads to the actual size of VPD, which should prevent these NMIs.
104daa71b396 was merged *before* 0d5370d1d852, but we think the testing
that prompted 0d5370d1d852 ("PCI: Prevent VPD access for QLogic ISP2722")
was done with a kernel that lacked 104daa71b396. See [1, 2].
Remove the quirk added by 0d5370d1d852 ("PCI: Prevent VPD access for QLogic
ISP2722") so customers can read the HBA VPD.
[1] https://lore.kernel.org/linux-pci/alpine.LRH.2.21.9999.2012161641230.28924@irv1user01.caveonetworks.com/
[2] https://lore.kernel.org/linux-pci/alpine.LRH.2.21.9999.2104071535110.13940@irv1user01.caveonetworks.com/
[bhelgaas: commit log]
Link: https://lore.kernel.org/r/20210409215153.16569-2-aeasi@marvell.com
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org # v4.6+
Diffstat (limited to 'include/video/pmagb-b-fb.h')
0 files changed, 0 insertions, 0 deletions