From: Michael Ellerman <mpe@ellerman.id.au>
To: Rashmica <rashmicy@gmail.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
paulus@samba.org, nfont@linux.vnet.ibm.com
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 1/5] powerpc/pseries: Drop support for MPIC in pseries
Date: Tue, 31 May 2016 15:04:28 +1000 [thread overview]
Message-ID: <1464671068.32478.13.camel@ellerman.id.au> (raw)
In-Reply-To: <574CFB67.7000605@gmail.com>
On Tue, 2016-05-31 at 12:48 +1000, Rashmica wrote:
> On 31/05/16 11:34, Rashmica wrote:
> > On 30/05/16 17:32, Benjamin Herrenschmidt wrote:
> > > On Mon, 2016-05-30 at 16:18 +1000, Rashmica Gupta wrote:
> > > > MPIC was only used by Power3 which is now unsupported, so drop support
> > > > for MPIC. XICS is now the only supported interrupt controller for
> > > > pSeries so make the XICS functions generic.
> > > The second half I'm not sure ... XIVE is around the corner...
> > >
> > I thought XIVE was replacing XICS? And so then we can just simply
> > replace all the specific XICS code such as xics_init() and
> > xics_smp_probe() with the relevant XIVE functions?
> >
> > By "make the XICS functions generic" I meant that if there is only one
> > interrupt controller for pseries then we don't need to have both
> > static void __init pseries_xics_init_IRQ(void) and static void __init
> > pSeries_init_IRQ(void), etc.
>
> Oliver just informed me that it is only replacing XICS for p9. Should I
> leave this for the person adding in the XIVE code?
I haven't heard of this "XIVE" thing but anyway ..
I would hope we can come up with a better abstraction than this for XICS/XIVE,
so I'm inclined to merge this anyway. Worst case we end up putting some of it
back.
cheers
next prev parent reply other threads:[~2016-05-31 5:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-30 6:18 [PATCH 1/5] powerpc/pseries: Drop support for MPIC in pseries Rashmica Gupta
2016-05-30 6:18 ` [PATCH 2/5] powerpc/pseries: Remove MPIC from pseries smp Rashmica Gupta
2016-05-30 6:18 ` [PATCH 3/5] powerpc/pseries: Remove MPIC from pseries kexec Rashmica Gupta
2016-05-30 6:18 ` [PATCH 4/5] powerpc/pseries: Remove MPIC from pseries cpu hotplug Rashmica Gupta
2016-05-30 6:18 ` [PATCH 5/5] powerpc/pseries: Remove MPIC from pseries event sources Rashmica Gupta
2016-05-30 7:32 ` [PATCH 1/5] powerpc/pseries: Drop support for MPIC in pseries Benjamin Herrenschmidt
2016-05-31 1:34 ` Rashmica
2016-05-31 2:48 ` Rashmica
2016-05-31 4:52 ` Benjamin Herrenschmidt
2016-05-31 5:04 ` Michael Ellerman [this message]
2016-05-31 5:30 ` Benjamin Herrenschmidt
2016-05-31 3:00 ` Benjamin Herrenschmidt
2016-06-15 12:39 ` [1/5] " Michael Ellerman
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