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From: Michael Neuling <mikey@neuling•org>
To: Sukadev Bhattiprolu <sukadev@linux•vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman•id.au>,
	stewart@linux•vnet.ibm.com, linuxppc-dev@ozlabs•org,
	apopple@au1•ibm.com, oohall@gmail•com
Subject: Re: [PATCH v3 05/10] VAS: Define helpers to init window context
Date: Sat, 25 Mar 2017 14:34:44 +1100	[thread overview]
Message-ID: <1490412884.28113.71.camel@neuling.org> (raw)
In-Reply-To: <20170324214757.GE8330@us.ibm.com>


> > > +	val =3D 0ULL;
> > > +	if (user_win) {
> > > +		val =3D SET_FIELD(VAS_XLATE_MSR_DR, val, true);
> > > +		val =3D SET_FIELD(VAS_XLATE_MSR_TA, val, false);
> > > +		val =3D SET_FIELD(VAS_XLATE_MSR_PR, val, true);
> > > +		val =3D SET_FIELD(VAS_XLATE_MSR_US, val, false);
> > > +		val =3D SET_FIELD(VAS_XLATE_MSR_HV, val, true);
> > > +		val =3D SET_FIELD(VAS_XLATE_MSR_SF, val, true);
> > > +		val =3D SET_FIELD(VAS_XLATE_MSR_UV, val, false);
> > > +	} else {
> > > +		val =3D SET_FIELD(VAS_XLATE_MSR_DR, val, false);
> >=20
> > kernel contexts don't go through the nestmmu?
>=20
> I think so, but will check with Alistair/Ben.

Well it's kinda up to you.  Do you want to use the kernel mapping or not?  =
I
probably would unless there are issues.

Mikey

  reply	other threads:[~2017-03-25  3:34 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-17  3:33 [PATCH v3 00/10] Enable VAS Sukadev Bhattiprolu
2017-03-17  3:33 ` [PATCH v3 01/10] VAS: Define macros, register fields and structures Sukadev Bhattiprolu
2017-03-24  4:22   ` Michael Neuling
2017-03-24 21:30     ` Sukadev Bhattiprolu
2017-03-30 21:35       ` Sukadev Bhattiprolu
2017-03-17  3:33 ` [PATCH v3 02/10] Move GET_FIELD/SET_FIELD to vas.h Sukadev Bhattiprolu
2017-03-17 16:21   ` Dan Streetman
2017-03-17  3:33 ` [PATCH v3 03/10] VAS: Define vas_init() and vas_exit() Sukadev Bhattiprolu
2017-03-24  4:08   ` Michael Neuling
2017-03-24  4:26     ` Sukadev Bhattiprolu
2017-03-24  4:45   ` Michael Neuling
2017-03-24 21:21     ` Sukadev Bhattiprolu
2017-03-17  3:33 ` [PATCH v3 04/10] VAS: Define helpers for access MMIO regions Sukadev Bhattiprolu
2017-03-24  4:53   ` Michael Neuling
2017-03-24 21:18     ` Sukadev Bhattiprolu
2017-03-17  3:33 ` [PATCH v3 05/10] VAS: Define helpers to init window context Sukadev Bhattiprolu
2017-03-24  5:15   ` Michael Neuling
2017-03-24 21:47     ` Sukadev Bhattiprolu
2017-03-25  3:34       ` Michael Neuling [this message]
2017-03-17  3:33 ` [PATCH v3 06/10] VAS: Define helpers to alloc/free windows Sukadev Bhattiprolu
2017-03-24  8:59   ` Michael Neuling
2017-03-24 22:01     ` Sukadev Bhattiprolu
2017-03-17  3:33 ` [PATCH v3 07/10] VAS: Define vas_rx_win_open() interface Sukadev Bhattiprolu
2017-03-17  3:34 ` [PATCH v3 08/10] VAS: Define vas_win_close() interface Sukadev Bhattiprolu
2017-03-17  3:34 ` [PATCH v3 09/10] VAS: Define vas_tx_win_open() Sukadev Bhattiprolu
2017-03-17  3:34 ` [PATCH v3 10/10] VAS: Define copy/paste interfaces Sukadev Bhattiprolu

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