From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [PATCH v2] iommu/amd: Don't put completion-wait semaphore on stack Date: Thu, 15 Sep 2016 11:28:57 +0200 Message-ID: <20160915092857.GB28075@gmail.com> References: <1473846119-9527-1-git-send-email-joro@8bytes.org> <20160914152647.GA13814@gmail.com> <20160914212712.GD1437@8bytes.org> <20160914213835.GA28800@suse.de> <20160915054435.GA25155@gmail.com> <20160915082931.GF1437@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20160915082931.GF1437-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Joerg Roedel Cc: Joerg Roedel , x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Ingo Molnar , bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org, Andy Lutomirski , hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org, tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org List-Id: iommu@lists.linux-foundation.org * Joerg Roedel wrote: > Hi Ingo, > > On Thu, Sep 15, 2016 at 07:44:35AM +0200, Ingo Molnar wrote: > > Yeah, I can still remove it - just zapped it in fact. > > Thanks, and sorry for the hassle. Here is the v2 patch that has the > correct locking. I tested it with and without lockdep enabled and also > under some load. Looks all fine. Thanks a lot for the quick response! Ingo