arcmsr(4) changed to use MSI if supported

Sat Apr 7 04:45:20 PDT 2012

On Sat, 07 Apr 2012 13:41:33 +0200, Sascha Wildner <saw at online.de> wrote:

> I have changed the arcmsr(4) driver (for Areca RAID controllers) to use  
> MSI if it is supported.
>
> It works fine here with my 1210 in a Shuttle box.
>
> If you are using an Areca controller on DragonFly, please give it a try  
> (the commit is fb8c9539e80131a1fe791e958dae967b2648aef4) and report any  
> issues you find.

I forgot to mention, it can be turned off by setting  
hw.arcmsr.msi.enable=0 in /boot/loader.conf or on the loader prompt.