ACK: [SRU] [J] [PATCH 0/1] Fix sub-optimal I210 network speed Edit

Stefan Bader stefan.bader at canonical.com
Fri Aug 5 09:44:58 UTC 2022


On 03.08.22 16:40, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1976438
> 
> [Impact]
> I210 may not reach maximum speed on Intel Alder Lake platforms.
> 
> [Fix]
> Following the datasheet to ensure I210 is not in idle state when CPU is
> using PCIe link to perform TX.
> 
> [Test]
> With the fix applied, the I210 TX/RX speed can reach ~94x MBps.
> 
> [Where problems could occur]
> Since this changes how hardware idles, it can slightly increase power
> consumption.
> 
> Kai-Heng Feng (1):
>    igb: Make DMA faster when CPU is active on the PCIe link
> 
>   drivers/net/ethernet/intel/igb/igb_main.c | 12 +++++-------
>   1 file changed, 5 insertions(+), 7 deletions(-)
> 

Acked-by: Stefan Bader <stefan.bader at canonical.com>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20220805/e2a406d1/attachment.sig>


More information about the kernel-team mailing list