From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raghavendra K T Subject: [PATCH RFC V11 2/18] x86/ticketlock: Don't inline _spin_unlock when using paravirt spinlocks Date: Mon, 22 Jul 2013 11:47:04 +0530 Message-ID: <20130722061704.24737.74372.sendpatchset@codeblue> References: <20130722061631.24737.75508.sendpatchset@codeblue> Return-path: In-Reply-To: <20130722061631.24737.75508.sendpatchset@codeblue> Sender: linux-doc-owner@vger.kernel.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: linux-doc@vger.kernel.org, habanero@linux.vnet.ibm.com, Raghavendra K T , xen-devel@lists.xensource.com, peterz@infradead.org, mtosatti@redhat.com, stefano.stabellini@eu.citrix.com, andi@firstfloor.org, attilio.rao@citrix.com, ouyang@cs.pitt.edu, gregkh@suse.de, agraf@suse.de, chegu_vinod@hp.com, torvalds@linux-foundation.org, avi.kivity@gmail.com, tglx@linutronix.de, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, riel@redhat.com, drjones@redhat.com, virtualization@lists.linux-foundation.org, srivatsa.vaddagiri@gmail.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 Reviewed-by: Konrad Rzeszutek Wilk 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 b32ebf9..112e712 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -632,6 +632,7 @@ 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