From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59474) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIVp2-0002en-0c for qemu-devel@nongnu.org; Wed, 07 Jun 2017 03:56:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIVp1-0001Mc-89 for qemu-devel@nongnu.org; Wed, 07 Jun 2017 03:56:08 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:52932 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dIVp1-0001MT-1v for qemu-devel@nongnu.org; Wed, 07 Jun 2017 03:56:07 -0400 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v577sVwc145687 for ; Wed, 7 Jun 2017 03:56:06 -0400 Received: from e23smtp02.au.ibm.com (e23smtp02.au.ibm.com [202.81.31.144]) by mx0b-001b2d01.pphosted.com with ESMTP id 2ax98fstyt-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 07 Jun 2017 03:56:05 -0400 Received: from localhost by e23smtp02.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 7 Jun 2017 17:55:58 +1000 From: Bharata B Rao Date: Wed, 7 Jun 2017 13:24:53 +0530 In-Reply-To: <1496822093-5700-1-git-send-email-bharata@linux.vnet.ibm.com> References: <1496822093-5700-1-git-send-email-bharata@linux.vnet.ibm.com> Message-Id: <1496822093-5700-3-git-send-email-bharata@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH v5 2/2] spapr: Fix migration of Radix guests List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, sam.bobroff@au1.ibm.com, rnsastry@linux.vnet.ibm.com, sjitindarsingh@gmail.com, Bharata B Rao Fix migration of radix guests by ensuring that we issue KVM_PPC_CONFIGURE_V3_MMU for radix case post migration. Reported-by: Nageswara R Sastry Signed-off-by: Bharata B Rao Reviewed-by: Suraj Jitindar Singh --- hw/ppc/spapr.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index df27c5c..4a33c06 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1442,6 +1442,18 @@ static int spapr_post_load(void *opaque, int version_id) err = spapr_rtc_import_offset(&spapr->rtc, spapr->rtc_offset); } + if (spapr->patb_entry) { + PowerPCCPU *cpu = POWERPC_CPU(first_cpu); + bool radix = !!(spapr->patb_entry & PATBE1_GR); + bool gtse = !!(cpu->env.spr[SPR_LPCR] & LPCR_GTSE); + + err = kvmppc_configure_v3_mmu(cpu, radix, gtse, spapr->patb_entry); + if (err) { + error_report("Process table config unsupported by the host"); + return -EINVAL; + } + } + return err; } -- 2.7.4