Re: e1000 softirq load balancing

[Paul Gortmaker]

On Thu, Oct 16, 2008 at 1:54 AM, David Miller <davem@xxxxxxxxxxxxx> wrote:
> From: <Madhukar.Mythri@xxxxxxxxxxx>
> Date: Thu, 16 Oct 2008 13:31:44 +0800
>
>> It differs for each driver. Generally, for intel drivers, the driver
>> version says whether its NAPI-mode or not.  We can know this by
>> command "modinfo e1000 |grep NAPI" .  Or else, 'ethtool -i
>> <interface name>' (where interface-name, should be intel-device
>> interface-name like: eth0 or eth1..).
>>
>> Where as for Broadcom, the driver version, doesn't say, whether its
>> NAPI-mode or not. I don't' know how to identify this for Broadcom?
>
> NAPI is unconditionally on, always, for all Broadcom drivers.
>
> In fact we want all drivers to unconditionally use NAPI
> and not allow this to be configurable.  It's a very
> inconsistent user experience, make for more code to
> validate, more situations to test, and more bugs.

I agree with all of the above reasons for not having a switch/option, but
at one point, I thought that NAPI and NETPOLL/NETCONSOLE didn't
really like each other.  Has this been resolved and is it just my
understanding that is incorrect/out of date?

Paul.
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