From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raghavendra K T Subject: [PATCH RFC V9 2/19] x86/ticketlock: Don't inline _spin_unlock when using paravirt spinlocks Date: Sun, 02 Jun 2013 00:52:09 +0530 Message-ID: <20130601192209.5966.46834.sendpatchset@codeblue> References: <20130601192125.5966.35563.sendpatchset@codeblue> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20130601192125.5966.35563.sendpatchset@codeblue> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: gleb@redhat.com, mingo@redhat.com, jeremy@goop.org, x86@kernel.org, konrad.wilk@oracle.com, hpa@zytor.com, pbonzini@redhat.com Cc: gregkh@suse.de, kvm@vger.kernel.org, linux-doc@vger.kernel.org, peterz@infradead.org, drjones@redhat.com, virtualization@lists.linux-foundation.org, andi@firstfloor.org, xen-devel@lists.xensource.com, Raghavendra K T , habanero@linux.vnet.ibm.com, riel@redhat.com, stefano.stabellini@eu.citrix.com, ouyang@cs.pitt.edu, avi.kivity@gmail.com, tglx@linutronix.de, chegu_vinod@hp.com, linux-kernel@vger.kernel.org, srivatsa.vaddagiri@gmail.com, attilio.rao@citrix.com, torvalds@linux-foundation.org, stephan.diestelhorst@amd.com List-Id: xen-devel@lists.xenproject.org x86/ticketlock: Don't inline _spin_unlock when using paravirt spinlocks From: Raghavendra K T The code size expands somewhat, and its better to just call a function rather than inline it. Thanks Jeremy for original version of ARCH_NOINLINE_SPIN_UNLOCK config patch, which is simplified. Suggested-by: Linus Torvalds Signed-off-by: Raghavendra K T --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 685692c..80fcc4b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -621,6 +621,7 @@ config PARAVIRT_DEBUG config PARAVIRT_SPINLOCKS bool "Paravirtualization layer for spinlocks" depends on PARAVIRT && SMP + select UNINLINE_SPIN_UNLOCK ---help--- Paravirtualized spinlocks allow a pvops backend to replace the spinlock implementation with something virtualization-friendly