From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-x241.google.com (mail-pa0-x241.google.com [IPv6:2607:f8b0:400e:c03::241]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3rZ83H2rs9zDqjb for ; Wed, 22 Jun 2016 12:40:43 +1000 (AEST) Received: by mail-pa0-x241.google.com with SMTP id fg1so2589723pad.3 for ; Tue, 21 Jun 2016 19:40:43 -0700 (PDT) Date: Wed, 22 Jun 2016 10:40:39 +0800 From: Simon Guo To: linuxppc-dev@lists.ozlabs.org Cc: Simon Guo , Laurent Dufour , Michael Ellerman Subject: Re: [RESEND][PATCH v2] powerpc: Export thread_struct.used_vr/used_vsr to user space Message-ID: <20160622024039.GA4313@simonLocalRHEL7.x64> References: <20160406070012.GA11647@simonLocalRHEL7.x64> <20160621063006.GA6367@simonLocalRHEL7.x64> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20160621063006.GA6367@simonLocalRHEL7.x64> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Jun 21, 2016 at 02:30:06PM +0800, Simon Guo wrote: > Hi Michael, > On Wed, Apr 06, 2016 at 03:00:12PM +0800, Simon Guo wrote: > > These 2 fields track whether user process has used Altivec/VSX > > registers or not. They are used by kernel to setup signal frame > > on user stack correctly regarding vector part. > > > > CRIU(Checkpoint and Restore In User space) builds signal frame > > for restored process. It will need this export information to > > setup signal frame correctly. And CRIU will need to restore these > > 2 fields for the restored process. > > > > Signed-off-by: Simon Guo > > Reviewed-by: Laurent Dufour > > --- > > Just a kind reminder per our previous discussion. > If possible, please help pull this in during 4.8 merge window. Some CRIU work items are pending for it. > > Have a nice day. > > Thanks, > - Simon + linuxppc-dev list Thanks, - Simon (IBM LTC)