From mboxrd@z Thu Jan 1 00:00:00 1970 From: Catalin Marinas Subject: Re: [PATCH V4 1/6] mm: Introduce a general RCU get_user_pages_fast. Date: Wed, 1 Oct 2014 12:11:28 +0100 Message-ID: <20141001111127.GG12702@e104818-lin.cambridge.arm.com> References: <1411740233-28038-1-git-send-email-steve.capper@linaro.org> <1411740233-28038-2-git-send-email-steve.capper@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from foss-mx-na.foss.arm.com ([217.140.108.86]:39994 "EHLO foss-mx-na.foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750959AbaJALLj (ORCPT ); Wed, 1 Oct 2014 07:11:39 -0400 Content-Disposition: inline In-Reply-To: Content-Language: en-US Sender: linux-arch-owner@vger.kernel.org List-ID: To: Hugh Dickins Cc: Steve Capper , Andrew Morton , "linux-arm-kernel@lists.infradead.org" , "linux@arm.linux.org.uk" , "linux-arch@vger.kernel.org" , "linux-mm@kvack.org" , Will Deacon , "gary.robertson@linaro.org" , "christoffer.dall@linaro.org" , "peterz@infradead.org" , "anders.roxell@linaro.org" , "dann.frazier@canonical.com" , Mark Rutland , "mgorman@suse.de" On Mon, Sep 29, 2014 at 10:51:25PM +0100, Hugh Dickins wrote: > On Fri, 26 Sep 2014, Steve Capper wrote: > > This patch provides a general RCU implementation of get_user_pages_fast > > that can be used by architectures that perform hardware broadcast of > > TLB invalidations. > > > > It is based heavily on the PowerPC implementation by Nick Piggin. > > > > Signed-off-by: Steve Capper > > Tested-by: Dann Frazier > > Reviewed-by: Catalin Marinas > > Acked-by: Hugh Dickins > > Thanks for making all those clarifications, Steve: this looks very > good to me now. I'm not sure which tree you're hoping will take this > and the arm+arm64 patches 2-6: although this one would normally go > through akpm, I expect it's easier for you to synchronize if it goes > in along with the arm+arm64 2-6 - would that be okay with you, Andrew? > I see no clash with what's currently in mmotm. >From an arm64 perspective, I'm more than happy for Andrew to pick up the entire series. I already reviewed the patches. Thanks. -- Catalin From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from foss-mx-na.foss.arm.com ([217.140.108.86]:39994 "EHLO foss-mx-na.foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750959AbaJALLj (ORCPT ); Wed, 1 Oct 2014 07:11:39 -0400 Date: Wed, 1 Oct 2014 12:11:28 +0100 From: Catalin Marinas Subject: Re: [PATCH V4 1/6] mm: Introduce a general RCU get_user_pages_fast. Message-ID: <20141001111127.GG12702@e104818-lin.cambridge.arm.com> References: <1411740233-28038-1-git-send-email-steve.capper@linaro.org> <1411740233-28038-2-git-send-email-steve.capper@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Content-Language: en-US Sender: linux-arch-owner@vger.kernel.org List-ID: To: Hugh Dickins Cc: Steve Capper , Andrew Morton , "linux-arm-kernel@lists.infradead.org" , "linux@arm.linux.org.uk" , "linux-arch@vger.kernel.org" , "linux-mm@kvack.org" , Will Deacon , "gary.robertson@linaro.org" , "christoffer.dall@linaro.org" , "peterz@infradead.org" , "anders.roxell@linaro.org" , "dann.frazier@canonical.com" , Mark Rutland , "mgorman@suse.de" Message-ID: <20141001111128.ggOgtLuyLGdx7dlZgjvasNaSxTPLjpFFkWGbjJDdXa0@z> On Mon, Sep 29, 2014 at 10:51:25PM +0100, Hugh Dickins wrote: > On Fri, 26 Sep 2014, Steve Capper wrote: > > This patch provides a general RCU implementation of get_user_pages_fast > > that can be used by architectures that perform hardware broadcast of > > TLB invalidations. > > > > It is based heavily on the PowerPC implementation by Nick Piggin. > > > > Signed-off-by: Steve Capper > > Tested-by: Dann Frazier > > Reviewed-by: Catalin Marinas > > Acked-by: Hugh Dickins > > Thanks for making all those clarifications, Steve: this looks very > good to me now. I'm not sure which tree you're hoping will take this > and the arm+arm64 patches 2-6: although this one would normally go > through akpm, I expect it's easier for you to synchronize if it goes > in along with the arm+arm64 2-6 - would that be okay with you, Andrew? > I see no clash with what's currently in mmotm. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f47.google.com (mail-wg0-f47.google.com [74.125.82.47]) by kanga.kvack.org (Postfix) with ESMTP id A16076B0069 for ; Wed, 1 Oct 2014 07:11:54 -0400 (EDT) Received: by mail-wg0-f47.google.com with SMTP id x13so127056wgg.30 for ; Wed, 01 Oct 2014 04:11:54 -0700 (PDT) Received: from foss-mx-na.foss.arm.com (foss-mx-na.foss.arm.com. [217.140.108.86]) by mx.google.com with ESMTP id ch6si741037wjb.106.2014.10.01.04.11.52 for ; Wed, 01 Oct 2014 04:11:53 -0700 (PDT) Date: Wed, 1 Oct 2014 12:11:28 +0100 From: Catalin Marinas Subject: Re: [PATCH V4 1/6] mm: Introduce a general RCU get_user_pages_fast. Message-ID: <20141001111127.GG12702@e104818-lin.cambridge.arm.com> References: <1411740233-28038-1-git-send-email-steve.capper@linaro.org> <1411740233-28038-2-git-send-email-steve.capper@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Content-Language: en-US Sender: owner-linux-mm@kvack.org List-ID: To: Hugh Dickins Cc: Steve Capper , Andrew Morton , "linux-arm-kernel@lists.infradead.org" , "linux@arm.linux.org.uk" , "linux-arch@vger.kernel.org" , "linux-mm@kvack.org" , Will Deacon , "gary.robertson@linaro.org" , "christoffer.dall@linaro.org" , "peterz@infradead.org" , "anders.roxell@linaro.org" , "dann.frazier@canonical.com" , Mark Rutland , "mgorman@suse.de" On Mon, Sep 29, 2014 at 10:51:25PM +0100, Hugh Dickins wrote: > On Fri, 26 Sep 2014, Steve Capper wrote: > > This patch provides a general RCU implementation of get_user_pages_fast > > that can be used by architectures that perform hardware broadcast of > > TLB invalidations. > > > > It is based heavily on the PowerPC implementation by Nick Piggin. > > > > Signed-off-by: Steve Capper > > Tested-by: Dann Frazier > > Reviewed-by: Catalin Marinas > > Acked-by: Hugh Dickins > > Thanks for making all those clarifications, Steve: this looks very > good to me now. I'm not sure which tree you're hoping will take this > and the arm+arm64 patches 2-6: although this one would normally go > through akpm, I expect it's easier for you to synchronize if it goes > in along with the arm+arm64 2-6 - would that be okay with you, Andrew? > I see no clash with what's currently in mmotm. >>From an arm64 perspective, I'm more than happy for Andrew to pick up the entire series. I already reviewed the patches. Thanks. -- 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 From: catalin.marinas@arm.com (Catalin Marinas) Date: Wed, 1 Oct 2014 12:11:28 +0100 Subject: [PATCH V4 1/6] mm: Introduce a general RCU get_user_pages_fast. In-Reply-To: References: <1411740233-28038-1-git-send-email-steve.capper@linaro.org> <1411740233-28038-2-git-send-email-steve.capper@linaro.org> Message-ID: <20141001111127.GG12702@e104818-lin.cambridge.arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Sep 29, 2014 at 10:51:25PM +0100, Hugh Dickins wrote: > On Fri, 26 Sep 2014, Steve Capper wrote: > > This patch provides a general RCU implementation of get_user_pages_fast > > that can be used by architectures that perform hardware broadcast of > > TLB invalidations. > > > > It is based heavily on the PowerPC implementation by Nick Piggin. > > > > Signed-off-by: Steve Capper > > Tested-by: Dann Frazier > > Reviewed-by: Catalin Marinas > > Acked-by: Hugh Dickins > > Thanks for making all those clarifications, Steve: this looks very > good to me now. I'm not sure which tree you're hoping will take this > and the arm+arm64 patches 2-6: although this one would normally go > through akpm, I expect it's easier for you to synchronize if it goes > in along with the arm+arm64 2-6 - would that be okay with you, Andrew? > I see no clash with what's currently in mmotm. >>From an arm64 perspective, I'm more than happy for Andrew to pick up the entire series. I already reviewed the patches. Thanks. -- Catalin