From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Jackson Subject: Re: [RFC] GPU reset notification interface Date: Wed, 18 Jul 2012 12:36:23 -0400 Message-ID: <1342629383.3590.35.camel@atropine> References: <5005E433.40200@freedesktop.org> <20120718092014.GA5348@phenom.ffwll.local> <5006E312.3010103@freedesktop.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0659080689==" Return-path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTP id D5312A0E17 for ; Wed, 18 Jul 2012 09:36:26 -0700 (PDT) In-Reply-To: <5006E312.3010103@freedesktop.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Ian Romanick Cc: "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org --===============0659080689== Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-Iio7qSsDiCsetraAwUT1" --=-Iio7qSsDiCsetraAwUT1 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2012-07-18 at 09:23 -0700, Ian Romanick wrote: > On 07/18/2012 02:20 AM, Daniel Vetter wrote: > > A few things: > > - I agree with Chris that reset_in_progress should go, if userspace can > > sneak in and witness a reset event, we have a bug in the kernel. Sin= ce > > very recently, we actually have a few bugs less in that area ;-) >=20 > I'm operating under the assumption that, from user space's perspective,= =20 > resets are not instantaneous. If resets are instantaneous, that may=20 > change things. Do they need to be instantaneous, or do they merely need to be atomic-and-reasonably-quick? Could just block new ioctl submission until the reset completes. - ajax --=-Iio7qSsDiCsetraAwUT1 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEABECAAYFAlAG5gcACgkQW4otUKDs0NOtQgCgroS1lfaD5xRGkujHIgfv2xpu GgoAnRBvWmjJfP2I9DIo6hZ50P1oWwjf =P8b/ -----END PGP SIGNATURE----- --=-Iio7qSsDiCsetraAwUT1-- --===============0659080689== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx --===============0659080689==--