From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 31 Mar 2015 21:40:18 +0200 (CEST) Received: from youngberry.canonical.com ([91.189.89.112]:50422 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S27014858AbbCaTkQM3wYt (ORCPT ); Tue, 31 Mar 2015 21:40:16 +0200 Received: from [10.172.68.52] by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1Yd21E-0000Ms-Ni; Tue, 31 Mar 2015 19:40:13 +0000 Message-ID: <1427830809.32761.6.camel@fourier> Subject: Re: [3.13.y-ckt stable] Patch "MIPS: Export FP functions used by lose_fpu(1) for KVM" has been added to staging queue From: Kamal Mostafa To: James Hogan Cc: Paolo Bonzini , Ralf Baechle , Paul Burton , Gleb Natapov , kvm@vger.kernel.org, linux-mips@linux-mips.org, kernel-team@lists.ubuntu.com Date: Tue, 31 Mar 2015 12:40:09 -0700 In-Reply-To: <20150331190803.GD9457@jhogan-linux.le.imgtec.org> References: <1427827603-26295-1-git-send-email-kamal@canonical.com> <20150331190803.GD9457@jhogan-linux.le.imgtec.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit 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: 46668 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: kamal@canonical.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 On Tue, 2015-03-31 at 20:08 +0100, James Hogan wrote: > Hi Kamal, > > On Tue, Mar 31, 2015 at 11:46:43AM -0700, Kamal Mostafa wrote: > > This is a note to let you know that I have just added a patch titled > > > > MIPS: Export FP functions used by lose_fpu(1) for KVM > > > > to the linux-3.13.y-queue branch of the 3.13.y-ckt extended stable tree > > which can be found at: > > > > http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.13.y-queue > > > > This patch is scheduled to be released in version 3.13.11-ckt18. > > > > If you, or anyone else, feels it should not be added to this tree, please > > reply to this email. > > > > For more information about the 3.13.y-ckt tree, see > > https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable > > > > Thanks. > > -Kamal > > > > ------ > > > > From 7adee277d64254de602234e7e53691d729f5e50c Mon Sep 17 00:00:00 2001 > > From: James Hogan > > Date: Tue, 10 Feb 2015 10:02:59 +0000 > > Subject: MIPS: Export FP functions used by lose_fpu(1) for KVM > > > > commit 3ce465e04bfd8de9956d515d6e9587faac3375dc upstream. > > > > Export the _save_fp 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 due to commit > > f798217dfd03 ("KVM: MIPS: Don't leak FPU/DSP to guest"): > > > > ERROR: "_save_fp" [arch/mips/kvm/kvm.ko] undefined! > > > > Signed-off-by: James Hogan > > Fixes: f798217dfd03 (KVM: MIPS: Don't leak FPU/DSP to guest) > > 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/9260/ > > Signed-off-by: Ralf Baechle > > Signed-off-by: Kamal Mostafa > > --- > > arch/mips/kernel/mips_ksyms.c | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c > > index 6e58e97..60adf79 100644 > > --- a/arch/mips/kernel/mips_ksyms.c > > +++ b/arch/mips/kernel/mips_ksyms.c > > @@ -14,6 +14,7 @@ > > #include > > #include > > #include > > +#include > > > > extern void *__bzero(void *__s, size_t __count); > > extern long __strncpy_from_user_nocheck_asm(char *__to, > > @@ -26,6 +27,11 @@ extern long __strnlen_user_nocheck_asm(const char *s); > > extern long __strnlen_user_asm(const char *s); > > > > /* > > + * Core architecture code > > + */ > > +EXPORT_SYMBOL_GPL(_save_fp); > > Before v3.16 this will cause a build error with cavium_octeon_defconfig. > I submitted an updated stable patch for v3.10, v3.12, and v3.14, which > should be suitable for v3.13 too. See: > https://marc.info/?l=linux-mips&m=142557178417268&w=2 Okay, replaced this in 3.13-stable with your backport. Thanks very much, James! -Kamal > Cheers > James > > > + > > +/* > > * String functions > > */ > > EXPORT_SYMBOL(memset); > > -- > > 1.9.1 > >