From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 6/6] arch/sparc: Enable queued spinlock support for SPARC Date: Thu, 18 May 2017 22:32:20 -0400 (EDT) Message-ID: <20170518.223220.105988940116687879.davem@davemloft.net> References: <1495154170-854693-1-git-send-email-babu.moger@oracle.com> <1495154170-854693-7-git-send-email-babu.moger@oracle.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:49682 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755210AbdESCcW (ORCPT ); Thu, 18 May 2017 22:32:22 -0400 In-Reply-To: <1495154170-854693-7-git-send-email-babu.moger@oracle.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: babu.moger@oracle.com Cc: peterz@infradead.org, mingo@redhat.com, arnd@arndb.de, shannon.nelson@oracle.com, haakon.bugge@oracle.com, steven.sistare@oracle.com, vijay.ac.kumar@oracle.com, jane.chu@oracle.com, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org From: Babu Moger Date: Thu, 18 May 2017 18:36:10 -0600 > @@ -83,6 +83,7 @@ config SPARC64 > select ARCH_SUPPORTS_ATOMIC_RMW > select HAVE_NMI > select ARCH_USE_QUEUED_RWLOCKS > + select ARCH_USE_QUEUED_SPINLOCKS > > config ARCH_DEFCONFIG > string Like the queued spinlock enabling patch, if this will be on all the time for SPARC64 then: > diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h > index 562dbd8..e2044e3 100644 > --- a/arch/sparc/include/asm/spinlock_64.h > +++ b/arch/sparc/include/asm/spinlock_64.h > @@ -11,6 +11,9 @@ > #include > #include > > +#ifdef CONFIG_QUEUED_SPINLOCKS > +#include > +#else This ifdef doesn't make any sense, by definition it will always be on.