From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-x244.google.com (mail-pf0-x244.google.com [IPv6:2607:f8b0:400e:c00::244]) (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 3vcnHT27GBzDq5W for ; Tue, 7 Mar 2017 17:46:12 +1100 (AEDT) Received: by mail-pf0-x244.google.com with SMTP id j5so20102391pfb.3 for ; Mon, 06 Mar 2017 22:46:12 -0800 (PST) Message-ID: <1488869161.4285.8.camel@gmail.com> Subject: Re: [PATCH v5 05/15] livepatch/powerpc: add TIF_PATCH_PENDING thread flag From: Balbir Singh To: Josh Poimboeuf , Jessica Yu , Jiri Kosina , Miroslav Benes , Petr Mladek Cc: linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, Michael Ellerman , Heiko Carstens , x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, Vojtech Pavlik , Jiri Slaby , Chris J Arges , Andy Lutomirski , Ingo Molnar , Peter Zijlstra , Kamalesh Babulal Date: Tue, 07 Mar 2017 17:46:01 +1100 In-Reply-To: <69e7b24fd0bcf912aa1ea6071d0a345901b3c741.1487036215.git.jpoimboe@redhat.com> References: <69e7b24fd0bcf912aa1ea6071d0a345901b3c741.1487036215.git.jpoimboe@redhat.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2017-02-13 at 19:42 -0600, Josh Poimboeuf wrote: > Add the TIF_PATCH_PENDING thread flag to enable the new livepatch > per-task consistency model for powerpc. The bit getting set indicates > the thread has a pending patch which needs to be applied when the thread > exits the kernel. > > The bit is included in the _TIF_USER_WORK_MASK macro so that > do_notify_resume() and klp_update_patch_state() get called when the bit > is set. > > Signed-off-by: Josh Poimboeuf > Reviewed-by: Petr Mladek > Reviewed-by: Miroslav Benes > Reviewed-by: Kamalesh Babulal > --- Reviewed-by: Balbir Singh