From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve Capper Subject: Re: [RFC PATCH V4 3/7] arm: mm: Enable HAVE_RCU_TABLE_FREE logic Date: Thu, 1 May 2014 12:44:08 +0100 Message-ID: <20140501114408.GA4501@linaro.org> References: <1396018892-6773-1-git-send-email-steve.capper@linaro.org> <1396018892-6773-4-git-send-email-steve.capper@linaro.org> <20140501111120.GF22316@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20140501111120.GF22316@arm.com> Sender: owner-linux-mm@kvack.org To: Catalin Marinas Cc: "linux-arm-kernel@lists.infradead.org" , "linux@arm.linux.org.uk" , "linux-mm@kvack.org" , "linux-arch@vger.kernel.org" , "peterz@infradead.org" , "gary.robertson@linaro.org" , "anders.roxell@linaro.org" , "akpm@linux-foundation.org" List-Id: linux-arch.vger.kernel.org On Thu, May 01, 2014 at 12:11:21PM +0100, Catalin Marinas wrote: > On Fri, Mar 28, 2014 at 03:01:28PM +0000, Steve Capper wrote: > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > > index 1594945..7d5340d 100644 > > --- a/arch/arm/Kconfig > > +++ b/arch/arm/Kconfig > > @@ -58,6 +58,7 @@ config ARM > > select HAVE_PERF_EVENTS > > select HAVE_PERF_REGS > > select HAVE_PERF_USER_STACK_DUMP > > + select HAVE_RCU_TABLE_FREE if SMP > > You select this if (SMP && CPU_V7). On ARMv6 SMP systems we use IPI for > TLB maintenance already. Thanks, I'll add that to the next series. -- Steve > > -- > Catalin -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-we0-f182.google.com ([74.125.82.182]:45665 "EHLO mail-we0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752139AbaEALoY (ORCPT ); Thu, 1 May 2014 07:44:24 -0400 Received: by mail-we0-f182.google.com with SMTP id u57so3033153wes.27 for ; Thu, 01 May 2014 04:44:23 -0700 (PDT) Date: Thu, 1 May 2014 12:44:08 +0100 From: Steve Capper Subject: Re: [RFC PATCH V4 3/7] arm: mm: Enable HAVE_RCU_TABLE_FREE logic Message-ID: <20140501114408.GA4501@linaro.org> References: <1396018892-6773-1-git-send-email-steve.capper@linaro.org> <1396018892-6773-4-git-send-email-steve.capper@linaro.org> <20140501111120.GF22316@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140501111120.GF22316@arm.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Catalin Marinas Cc: "linux-arm-kernel@lists.infradead.org" , "linux@arm.linux.org.uk" , "linux-mm@kvack.org" , "linux-arch@vger.kernel.org" , "peterz@infradead.org" , "gary.robertson@linaro.org" , "anders.roxell@linaro.org" , "akpm@linux-foundation.org" Message-ID: <20140501114408.ypHj0MmiVy8QNbvIO_7T7Xgn2Ss-Fh6xp9P4PITh-eg@z> On Thu, May 01, 2014 at 12:11:21PM +0100, Catalin Marinas wrote: > On Fri, Mar 28, 2014 at 03:01:28PM +0000, Steve Capper wrote: > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > > index 1594945..7d5340d 100644 > > --- a/arch/arm/Kconfig > > +++ b/arch/arm/Kconfig > > @@ -58,6 +58,7 @@ config ARM > > select HAVE_PERF_EVENTS > > select HAVE_PERF_REGS > > select HAVE_PERF_USER_STACK_DUMP > > + select HAVE_RCU_TABLE_FREE if SMP > > You select this if (SMP && CPU_V7). On ARMv6 SMP systems we use IPI for > TLB maintenance already. Thanks, I'll add that to the next series. -- Steve > > -- > Catalin