From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-x243.google.com (mail-pg0-x243.google.com [IPv6:2607:f8b0:400e:c05::243]) (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 3xNqhp69vXzDq7Z for ; Fri, 4 Aug 2017 11:53:46 +1000 (AEST) Received: by mail-pg0-x243.google.com with SMTP id y129so367373pgy.3 for ; Thu, 03 Aug 2017 18:53:46 -0700 (PDT) Message-ID: <1501811618.5037.2.camel@gmail.com> Subject: Re: [PATCH] powerpc/mm: Invalidate partition table cache on host proc tbl base update From: Suraj Jitindar Singh To: Benjamin Herrenschmidt , Michael Ellerman , linuxppc-dev@lists.ozlabs.org Cc: paulus@samba.org, aneesh.kumar@linux.vnet.ibm.com Date: Fri, 04 Aug 2017 11:53:38 +1000 In-Reply-To: <1501810308.2664.59.camel@kernel.crashing.org> References: <20170803041551.7934-1-sjitindarsingh@gmail.com> <87h8xpqi28.fsf@concordia.ellerman.id.au> <1501745720.2664.38.camel@kernel.crashing.org> <1501808533.5037.1.camel@gmail.com> <1501810308.2664.59.camel@kernel.crashing.org> 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 Fri, 2017-08-04 at 11:31 +1000, Benjamin Herrenschmidt wrote: > On Fri, 2017-08-04 at 11:02 +1000, Suraj Jitindar Singh wrote: > > > > I guess there's the possibility of: > > [x] randomly crash > > > > This is required to run a powernv kernel as a guest because we need > > to > > know when it's updated its process table location. > > You mean in qemu full emu ? powernv kernels don't run as guest do > they > ? For now they don't... :p > > Cheers, > Ben. >