From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MfdQt-0003gx-F0 for qemu-devel@nongnu.org; Mon, 24 Aug 2009 13:34:15 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MfdQo-0003ZS-Jy for qemu-devel@nongnu.org; Mon, 24 Aug 2009 13:34:14 -0400 Received: from [199.232.76.173] (port=37156 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MfdQo-0003Z6-AI for qemu-devel@nongnu.org; Mon, 24 Aug 2009 13:34:10 -0400 Received: from e7.ny.us.ibm.com ([32.97.182.137]:36227) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MfdQo-0003iL-0J for qemu-devel@nongnu.org; Mon, 24 Aug 2009 13:34:10 -0400 Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by e7.ny.us.ibm.com (8.14.3/8.13.1) with ESMTP id n7OHWkHT006262 for ; Mon, 24 Aug 2009 13:32:46 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id n7OHXvik230282 for ; Mon, 24 Aug 2009 13:33:57 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n7OHXvGq021730 for ; Mon, 24 Aug 2009 13:33:57 -0400 From: Hollis Blanchard In-Reply-To: <0A1FE637C2C7E148B9573BB60CC630E5432E1E@zch01exm26.fsl.freescale.net> References: <1249378568-18008-1-git-send-email-yu.liu@freescale.com> <1249378568-18008-2-git-send-email-yu.liu@freescale.com> <1249378568-18008-3-git-send-email-yu.liu@freescale.com> <1249378568-18008-4-git-send-email-yu.liu@freescale.com> <1249378568-18008-5-git-send-email-yu.liu@freescale.com> <1250722284.4237.53.camel@slab.beaverton.ibm.com> <0A1FE637C2C7E148B9573BB60CC630E5432C1B@zch01exm26.fsl.freescale.net> <0A1FE637C2C7E148B9573BB60CC630E5432E1E@zch01exm26.fsl.freescale.net> Content-Type: text/plain Date: Mon, 24 Aug 2009 10:33:54 -0700 Message-Id: <1251135234.13190.6.camel@slab.beaverton.ibm.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] RE: [PATCH 4/5] kvmppc: Translate eaddr for fsl_booke mmu List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Liu Yu-B13201 Cc: Alexander Graf , froydnj@codesourcery.com, qemu-devel@nongnu.org, kvm-ppc@vger.kernel.org, jan.kiszka@siemens.com On Mon, 2009-08-24 at 10:44 +0800, Liu Yu-B13201 wrote: > > > IMHO userspace should do the translation and do an ioctl to > > fetch the > > required information (soft TLB cache / SLB / SDR1) so we can > > reuse the > > existing qemu infrastructure. > > > > BOOK3S has mmu implement in qemu, but BOOKE doesn't. Even if it did, I'd be skeptical. But you're right that that's a critical point: as things stand today, only KVM (not qemu) emulates the Book E MMU. -- Hollis Blanchard IBM Linux Technology Center