lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <53CE346B.1080601@amd.com> Date: Tue, 22 Jul 2014 12:52:43 +0300 From: Oded Gabbay <oded.gabbay@....com> To: Daniel Vetter <daniel.vetter@...ll.ch> CC: Jerome Glisse <j.glisse@...il.com>, Christian König <deathsimple@...afone.de>, David Airlie <airlied@...ux.ie>, Alex Deucher <alexdeucher@...il.com>, Andrew Morton <akpm@...ux-foundation.org>, "John Bridgman" <John.Bridgman@....com>, Joerg Roedel <joro@...tes.org>, "Andrew Lewycky" <Andrew.Lewycky@....com>, Michel Dänzer <michel.daenzer@....com>, Ben Goz <Ben.Goz@....com>, Alexey Skidanov <Alexey.Skidanov@....com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>, linux-mm <linux-mm@...ck.org>, "Sellek, Tom" <Tom.Sellek@....com> Subject: Re: [PATCH v2 00/25] AMDKFD kernel driver On 22/07/14 12:21, Daniel Vetter wrote: > On Tue, Jul 22, 2014 at 10:19 AM, Oded Gabbay <oded.gabbay@....com> wrote: >>> Exactly, just prevent userspace from submitting more. And if you have >>> misbehaving userspace that submits too much, reset the gpu and tell it >>> that you're sorry but won't schedule any more work. >> >> I'm not sure how you intend to know if a userspace misbehaves or not. Can >> you elaborate ? > > Well that's mostly policy, currently in i915 we only have a check for > hangs, and if userspace hangs a bit too often then we stop it. I guess > you can do that with the queue unmapping you've describe in reply to > Jerome's mail. > -Daniel > What do you mean by hang ? Like the tdr mechanism in Windows (checks if a gpu job takes more than 2 seconds, I think, and if so, terminates the job). Oded -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists