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Message-ID: <1458729597.13990.4.camel@ellerman.id.au>
Subject: Re: pseries/eeh: Handle RTAS delay requests in configure_bridge
From: Michael Ellerman <mpe@ellerman.id.au>
To: Russell Currey <ruscur@russell.cc>, linuxppc-dev@lists.ozlabs.org
Date: Wed, 23 Mar 2016 21:39:57 +1100
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On Wed, 2016-03-23 at 13:52 +1100, Russell Currey wrote:
> On Wed, 2016-03-23 at 11:38 +1100, Michael Ellerman wrote:
> > On Tue, 2016-22-03 at 00:34:55 UTC, Russell Currey wrote:
> > >
> > > +		case RTAS_EXTENDED_DELAY_MIN+2:
> > > +			mwait = 100;
> > > +			break;
> > > +		default:
> > > +			goto err;
> > > +		}
> > > +
> > > +		max_wait -= mwait;
> > > +		msleep(mwait);

> > Can you use rtas_busy_delay() ?
>
> Wasn't aware of that, makes life a lot easier.  Do you know if the 0.2s
> maximum delay also applies across the board?  I definitely want to enforce
> it here, but if it is ubiquitous then it should be in rtas_busy_delay.

Not sure sorry, you'll have to read PAPR :)

cheers