From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 05 May 2010 15:56:53 +0200 (CEST) Received: from mail-pv0-f177.google.com ([74.125.83.177]:60246 "EHLO mail-pv0-f177.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S1492165Ab0EEN4g (ORCPT ); Wed, 5 May 2010 15:56:36 +0200 Received: by pvg7 with SMTP id 7so311016pvg.36 for ; Wed, 05 May 2010 06:56:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:cc:subject:date :message-id:x-mailer:in-reply-to:references; bh=1pC2DJcFV+wyveRrqy8A19S/wuSd+/p442trJrgrulE=; b=Bxn7xaNAPClF+Kpe34/nrhTem/O5jSl73i9uolZGRG5EGtfJkG3xX/hV8Ckk1UwENH ILfvy0LiF4j05p2kbqt4j0QinNORO+n5UlKi+9CsNQyBgzvx8WKAaQnEJD8MWAD1ElwJ ycP6jqPW3Lz4k+zvXvc0v5VLZj5L05XioHKng= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=CnJJXLnClooOTZGWcBzPsCNuv/09fLk7w58z8QOTW9OP7fxkCkc22co9txhO4Lkgez 79RzAqEWWLy5KRnfhDCnOyBbqPb9yzoWIK8nBsJAe6HufSfdiIkf7Tyb/NjTOqB4wp8i XkPkmEcrhKM+KLYOrqNolF1mf4GV/T0uENAmI= Received: by 10.143.20.30 with SMTP id x30mr1048574wfi.57.1273067788556; Wed, 05 May 2010 06:56:28 -0700 (PDT) Received: from localhost.localdomain ([114.84.73.209]) by mx.google.com with ESMTPS id 23sm6598217pzk.2.2010.05.05.06.56.15 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 05 May 2010 06:56:27 -0700 (PDT) From: Deng-Cheng Zhu To: linux-mips@linux-mips.org, ralf@linux-mips.org Cc: a.p.zijlstra@chello.nl, paulus@samba.org, mingo@elte.hu, acme@redhat.com, jamie.iles@picochip.com, Deng-Cheng Zhu Subject: [PATCH v3 2/4] MIPS: use generic atomic64 in non-64bit kernels Date: Wed, 5 May 2010 21:55:32 +0800 Message-Id: <1273067734-4758-3-git-send-email-dengcheng.zhu@gmail.com> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <1273067734-4758-1-git-send-email-dengcheng.zhu@gmail.com> References: <1273067734-4758-1-git-send-email-dengcheng.zhu@gmail.com> 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: 26599 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: dengcheng.zhu@gmail.com Precedence: bulk X-list: linux-mips 64bit kernel has already had its atomic64 functions. Except for that, we use the generic spinlocked version. The atomic64 types and related functions are needed for the Linux performance counter subsystem. Signed-off-by: Deng-Cheng Zhu --- arch/mips/Kconfig | 1 + arch/mips/include/asm/atomic.h | 4 ++++ 2 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 7e6fd1c..7d19c62 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -4,6 +4,7 @@ config MIPS select HAVE_GENERIC_DMA_COHERENT select HAVE_IDE select HAVE_OPROFILE + select GENERIC_ATOMIC64 if !64BIT select HAVE_ARCH_KGDB select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_TRACE_MCOUNT_TEST diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h index 519197e..afe6e79 100644 --- a/arch/mips/include/asm/atomic.h +++ b/arch/mips/include/asm/atomic.h @@ -782,6 +782,10 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) */ #define atomic64_add_negative(i, v) (atomic64_add_return(i, (v)) < 0) +#else /* ! CONFIG_64BIT */ + +#include + #endif /* CONFIG_64BIT */ /* -- 1.7.0.4