[issue1297] em(4): Reduce TX interrupt rate and device's TX desc write requests

[Sepherosa Ziehau]

On Wed, Feb 25, 2009 at 4:38 PM, Hasso Tepper (via DragonFly issue
tracker) <submit at crater.dragonflybsd.org> wrote:
>
> Hasso Tepper <hasso at estpak.ee> added the comment:
>
> My laptop still works with this patch ;).

Ah, thank you for testing.

This patch also implicitly fixes the errata #70 mentioned in
82571EB/82572EI spec update, since device will never have more than 16
TX descs to update by default :)

Best Regards,
sephe

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