From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e34.co.us.ibm.com (e34.co.us.ibm.com [32.97.110.152]) (using TLSv1.2 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3rL2YD3tJ3zDqks for ; Thu, 2 Jun 2016 19:51:12 +1000 (AEST) Received: from localhost by e34.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 2 Jun 2016 03:41:04 -0600 From: "Aneesh Kumar K.V" To: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au Cc: linuxppc-dev@lists.ozlabs.org, "Aneesh Kumar K.V" Subject: [PATCH] powerpc/mm/radix: Update LPCR HR bit as per ISA Date: Thu, 2 Jun 2016 15:10:57 +0530 Message-Id: <1464860457-29253-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , We need to se HR bit LPCR for radix partitions. Signed-off-by: Aneesh Kumar K.V --- arch/powerpc/include/asm/reg.h | 1 + arch/powerpc/mm/pgtable-radix.c | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index c1e82e968506..652147ef5ae3 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -348,6 +348,7 @@ #define LPCR_RMI 0x00000002 /* real mode is cache inhibit */ #define LPCR_HDICE 0x00000001 /* Hyp Decr enable (HV,PR,EE) */ #define LPCR_UPRT 0x00400000 /* Use Process Table (ISA 3) */ +#define LPCR_HR 0x00100000 #ifndef SPRN_LPID #define SPRN_LPID 0x13F /* Logical Partition Identifier */ #endif diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index c939e6e57a9e..73aa402047ef 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -340,7 +340,7 @@ void __init radix__early_init_mmu(void) radix_init_page_sizes(); if (!firmware_has_feature(FW_FEATURE_LPAR)) { lpcr = mfspr(SPRN_LPCR); - mtspr(SPRN_LPCR, lpcr | LPCR_UPRT); + mtspr(SPRN_LPCR, lpcr | LPCR_UPRT | LPCR_HR); radix_init_partition_table(); } @@ -355,7 +355,7 @@ void radix__early_init_mmu_secondary(void) */ if (!firmware_has_feature(FW_FEATURE_LPAR)) { lpcr = mfspr(SPRN_LPCR); - mtspr(SPRN_LPCR, lpcr | LPCR_UPRT); + mtspr(SPRN_LPCR, lpcr | LPCR_UPRT | LPCR_HR); mtspr(SPRN_PTCR, __pa(partition_tb) | (PATB_SIZE_SHIFT - 12)); -- 2.7.4