From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Lutomirski Subject: Re: [PATCH v2 1/3] x86/xen: Avoid fast syscall path for Xen PV guests Date: Tue, 15 Dec 2015 07:57:51 -0800 Message-ID: References: <1447970147-1733-1-git-send-email-boris.ostrovsky@oracle.com> <1447970147-1733-2-git-send-email-boris.ostrovsky@oracle.com> <56703001.9010205@oracle.com> <20151215154830.GF26000@pd.tnic> <567037BB.6080901@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1a8rzY-0006F0-Vr for xen-devel@lists.xenproject.org; Tue, 15 Dec 2015 15:58:21 +0000 Received: by mail-ob0-f180.google.com with SMTP id sd4so10007980obb.0 for ; Tue, 15 Dec 2015 07:58:18 -0800 (PST) In-Reply-To: <567037BB.6080901@oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Boris Ostrovsky Cc: "linux-kernel@vger.kernel.org" , Linux Virtualization , Ingo Molnar , David Vrabel , Andrew Lutomirski , "H. Peter Anvin" , "xen-devel@lists.xenproject.org" , Thomas Gleixner , Borislav Petkov List-Id: xen-devel@lists.xenproject.org On Tue, Dec 15, 2015 at 7:54 AM, Boris Ostrovsky wrote: > On 12/15/2015 10:48 AM, Borislav Petkov wrote: >> >> On Tue, Dec 15, 2015 at 10:21:37AM -0500, Boris Ostrovsky wrote: >>> >>> I know this has been in the tip tree --- when do you think this will go >>> Linus tree? In the 4.4 timeframe? >> >> It is queued for 4.5 currently. >> >>> Xen 32-bit PV guests are broken without this. >> >> So this needs to go into 4.4 or even earlier? Since 5f310f739b4c went >> into 4.4, I'd think 4.4 only for this fix too? Yes? > > > Oh, I didn't realize this is scheduled for 4.5. It indeed needs to go into > 4.4 because of 5f310f739b4c. Agreed. > > Thanks. > -boris > > > -- Andy Lutomirski AMA Capital Management, LLC