From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3xNqCq75NjzDqG5 for ; Fri, 4 Aug 2017 11:32:07 +1000 (AEST) Message-ID: <1501810308.2664.59.camel@kernel.crashing.org> Subject: Re: [PATCH] powerpc/mm: Invalidate partition table cache on host proc tbl base update From: Benjamin Herrenschmidt To: Suraj Jitindar Singh , Michael Ellerman , linuxppc-dev@lists.ozlabs.org Cc: paulus@samba.org, aneesh.kumar@linux.vnet.ibm.com Date: Fri, 04 Aug 2017 11:31:48 +1000 In-Reply-To: <1501808533.5037.1.camel@gmail.com> 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> 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 11:02 +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 ? Cheers, Ben.