From patchwork Sun Jun 29 11:17:30 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Aneesh Kumar K.V" X-Patchwork-Id: 365356 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 0EF7714010A for ; Sun, 29 Jun 2014 21:18:30 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753217AbaF2LS3 (ORCPT ); Sun, 29 Jun 2014 07:18:29 -0400 Received: from e23smtp07.au.ibm.com ([202.81.31.140]:53834 "EHLO e23smtp07.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752246AbaF2LSE (ORCPT ); Sun, 29 Jun 2014 07:18:04 -0400 Received: from /spool/local by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sun, 29 Jun 2014 21:18:02 +1000 Received: from d23dlp03.au.ibm.com (202.81.31.214) by e23smtp07.au.ibm.com (202.81.31.204) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Sun, 29 Jun 2014 21:17:59 +1000 Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [9.190.235.152]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 2630A3578048; Sun, 29 Jun 2014 21:17:59 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s5TAtacv12124468; Sun, 29 Jun 2014 20:55:36 +1000 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s5TBHwO1004687; Sun, 29 Jun 2014 21:17:58 +1000 Received: from skywalker.in.ibm.com ([9.77.200.231]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id s5TBHqCO004592; Sun, 29 Jun 2014 21:17:56 +1000 From: "Aneesh Kumar K.V" To: agraf@suse.de, benh@kernel.crashing.org, paulus@samba.org Cc: linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org, "Aneesh Kumar K.V" Subject: [PATCH] KVM: PPC: BOOK3S: HV: Update compute_tlbie_rb to handle 16MB base page Date: Sun, 29 Jun 2014 16:47:30 +0530 Message-Id: <1404040655-12076-3-git-send-email-aneesh.kumar@linux.vnet.ibm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1404040655-12076-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1404040655-12076-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14062911-0260-0000-0000-0000053E119B Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org When calculating the lower bits of AVA field, use the shift count based on the base page size. Also add the missing segment size and remove stale comment. Signed-off-by: Aneesh Kumar K.V Acked-by: Paul Mackerras --- arch/powerpc/include/asm/kvm_book3s_64.h | 6 ++++-- arch/powerpc/kvm/book3s_hv.c | 6 ------ 2 files changed, 4 insertions(+), 8 deletions(-) diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h index 66a0a44b62a8..ca7c1688a7b6 100644 --- a/arch/powerpc/include/asm/kvm_book3s_64.h +++ b/arch/powerpc/include/asm/kvm_book3s_64.h @@ -158,6 +158,8 @@ static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r, */ /* This covers 14..54 bits of va*/ rb = (v & ~0x7fUL) << 16; /* AVA field */ + + rb |= v >> (62 - 8); /* B field */ /* * AVA in v had cleared lower 23 bits. We need to derive * that from pteg index @@ -188,10 +190,10 @@ static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r, { int aval_shift; /* - * remaining 7bits of AVA/LP fields + * remaining bits of AVA/LP fields * Also contain the rr bits of LP */ - rb |= (va_low & 0x7f) << 16; + rb |= (va_low << mmu_psize_defs[b_psize].shift) & 0x7ff000; /* * Now clear not needed LP bits based on actual psize */ diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index cbf46eb3f59c..328416f28a55 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1917,12 +1917,6 @@ static void kvmppc_add_seg_page_size(struct kvm_ppc_one_seg_page_size **sps, (*sps)->page_shift = def->shift; (*sps)->slb_enc = def->sllp; (*sps)->enc[0].page_shift = def->shift; - /* - * Only return base page encoding. We don't want to return - * all the supporting pte_enc, because our H_ENTER doesn't - * support MPSS yet. Once they do, we can start passing all - * support pte_enc here - */ (*sps)->enc[0].pte_enc = def->penc[linux_psize]; /* * Add 16MB MPSS support if host supports it