From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964828AbbCDGuR (ORCPT ); Wed, 4 Mar 2015 01:50:17 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:43585 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933454AbbCDGUp (ORCPT ); Wed, 4 Mar 2015 01:20:45 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, James Hogan , Paolo Bonzini , Ralf Baechle , Paul Burton , Gleb Natapov , kvm@vger.kernel.org, linux-mips@linux-mips.org Subject: [PATCH 3.19 084/175] MIPS: Export MSA functions used by lose_fpu(1) for KVM Date: Tue, 3 Mar 2015 22:14:22 -0800 Message-Id: <20150304061040.188488069@linuxfoundation.org> X-Mailer: git-send-email 2.3.1 In-Reply-To: <20150304061026.134125919@linuxfoundation.org> References: <20150304061026.134125919@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: James Hogan commit ca5d25642e212f73492d332d95dc90ef46a0e8dc upstream. Export the _save_msa asm function used by the lose_fpu(1) macro to GPL modules so that KVM can make use of it when it is built as a module. This fixes the following build error when CONFIG_KVM=m and CONFIG_CPU_HAS_MSA=y due to commit f798217dfd03 ("KVM: MIPS: Don't leak FPU/DSP to guest"): ERROR: "_save_msa" [arch/mips/kvm/kvm.ko] undefined! Fixes: f798217dfd03 (KVM: MIPS: Don't leak FPU/DSP to guest) Signed-off-by: James Hogan Cc: Paolo Bonzini Cc: Ralf Baechle Cc: Paul Burton Cc: Gleb Natapov Cc: kvm@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/9261/ Signed-off-by: Ralf Baechle Signed-off-by: Greg Kroah-Hartman --- arch/mips/kernel/mips_ksyms.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/mips/kernel/mips_ksyms.c +++ b/arch/mips/kernel/mips_ksyms.c @@ -15,6 +15,7 @@ #include #include #include +#include extern void *__bzero(void *__s, size_t __count); extern long __strncpy_from_kernel_nocheck_asm(char *__to, @@ -36,6 +37,9 @@ extern long __strnlen_user_asm(const cha * Core architecture code */ EXPORT_SYMBOL_GPL(_save_fp); +#ifdef CONFIG_CPU_HAS_MSA +EXPORT_SYMBOL_GPL(_save_msa); +#endif /* * String functions