From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 06 Jan 2017 02:34:08 +0100 (CET) Received: from mailapp01.imgtec.com ([195.59.15.196]:7505 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23992514AbdAFBdfrGxgu (ORCPT ); Fri, 6 Jan 2017 02:33:35 +0100 Received: from HHMAIL01.hh.imgtec.org (unknown [10.100.10.19]) by Forcepoint Email with ESMTPS id 0EF0865455831; Fri, 6 Jan 2017 01:33:29 +0000 (GMT) Received: from jhogan-linux.le.imgtec.org (192.168.154.110) by HHMAIL01.hh.imgtec.org (10.100.10.21) with Microsoft SMTP Server (TLS) id 14.3.294.0; Fri, 6 Jan 2017 01:33:29 +0000 From: James Hogan To: CC: James Hogan , , Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Ralf Baechle , Subject: [PATCH 1/30] mm: Export init_mm for MIPS KVM use of pgd_alloc() Date: Fri, 6 Jan 2017 01:32:33 +0000 Message-ID: X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [192.168.154.110] Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 56175 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: james.hogan@imgtec.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Export the init_mm symbol to GPL modules so that MIPS KVM can use pgd_alloc() to create GVA page directory tables for trap & emulate mode, which runs guest code in user mode. On MIPS pgd_alloc() is implemented inline and refers to init_mm in order to copy kernel address space mappings into the new page directory. Signed-off-by: James Hogan Cc: linux-mm@kvack.org Cc: Paolo Bonzini Cc: "Radim Krčmář" Cc: Ralf Baechle Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org --- mm/init-mm.c | 2 ++ 1 file changed, 2 insertions(+), 0 deletions(-) diff --git a/mm/init-mm.c b/mm/init-mm.c index 975e49f00f34..94aae08b41e1 100644 --- a/mm/init-mm.c +++ b/mm/init-mm.c @@ -1,3 +1,4 @@ +#include #include #include #include @@ -25,3 +26,4 @@ struct mm_struct init_mm = { .user_ns = &init_user_ns, INIT_MM_CONTEXT(init_mm) }; +EXPORT_SYMBOL_GPL(init_mm); -- git-series 0.8.10 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailapp01.imgtec.com ([195.59.15.196]:7505 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23992514AbdAFBdfrGxgu (ORCPT ); Fri, 6 Jan 2017 02:33:35 +0100 From: James Hogan Subject: [PATCH 1/30] mm: Export init_mm for MIPS KVM use of pgd_alloc() Date: Fri, 6 Jan 2017 01:32:33 +0000 Message-ID: MIME-Version: 1.0 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Return-Path: Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-subscribe: List-owner: List-post: List-archive: To: linux-mips@linux-mips.org Cc: James Hogan , linux-mm@kvack.org, Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Ralf Baechle , kvm@vger.kernel.org Message-ID: <20170106013233.-DL5yCAPV8SrnqghOefHsZ7nGt1mS6gDF9MRJDC_lnE@z> Export the init_mm symbol to GPL modules so that MIPS KVM can use pgd_alloc() to create GVA page directory tables for trap & emulate mode, which runs guest code in user mode. On MIPS pgd_alloc() is implemented inline and refers to init_mm in order to copy kernel address space mappings into the new page directory. Signed-off-by: James Hogan Cc: linux-mm@kvack.org Cc: Paolo Bonzini Cc: "Radim Krčmář" Cc: Ralf Baechle Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org --- mm/init-mm.c | 2 ++ 1 file changed, 2 insertions(+), 0 deletions(-) diff --git a/mm/init-mm.c b/mm/init-mm.c index 975e49f00f34..94aae08b41e1 100644 --- a/mm/init-mm.c +++ b/mm/init-mm.c @@ -1,3 +1,4 @@ +#include #include #include #include @@ -25,3 +26,4 @@ struct mm_struct init_mm = { .user_ns = &init_user_ns, INIT_MM_CONTEXT(init_mm) }; +EXPORT_SYMBOL_GPL(init_mm); -- git-series 0.8.10