ACK: [SRU] [J] [PATCH 0/1] Let VMD follow host bridge PCIe settings

Tim Gardner tim.gardner at canonical.com
Wed Jan 12 16:06:24 UTC 2022


Acked-by: Tim Gardner <tim.gardner at canonical.com>

On 1/11/22 7:26 AM, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1954611
> 
> [Impact]
> Some platforms have endless AER message floods kernel log, slows done
> disk I/O.
> 
> [Fix]
> Honor BIOS settings to disable AER for Intel VMD.
> 
> [Test]
> Use dmesg to check kernel log, no more AER message since AER is
> disabled.
> 
> [Where problem could occur]
> The patch copies PCIe settings from host bridge, so some PCIe features
> will be disabled as a result. This may not be desirable for some users.
> 
> Kai-Heng Feng (1):
>    PCI: vmd: Honor ACPI _OSC on PCIe features
> 
>   drivers/pci/controller/vmd.c | 18 ++++++++++++++++++
>   1 file changed, 18 insertions(+)
> 

-- 
-----------
Tim Gardner
Canonical, Inc



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