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Wed, 18 Dec 2019 09:01:36 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id E6738300F29; Wed, 18 Dec 2019 10:00:10 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 6010B2B2CECE0; Wed, 18 Dec 2019 10:01:33 +0100 (CET) Date: Wed, 18 Dec 2019 10:01:33 +0100 From: Peter Zijlstra To: "Aneesh Kumar K.V" Cc: akpm@linux-foundation.org, npiggin@gmail.com, mpe@ellerman.id.au, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [RFC PATCH 1/2] mm/mmu_gather: Invalidate TLB correctly on batch allocation failure and flush Message-ID: <20191218090133.GM2844@hirez.programming.kicks-ass.net> References: <20191217071713.93399-1-aneesh.kumar@linux.ibm.com> <20191217090914.GX2844@hirez.programming.kicks-ass.net> <3d250b04-a78d-20a7-d41e-50e48e08d1cb@linux.ibm.com> <20191217123544.GI2827@hirez.programming.kicks-ass.net> <874kxymclu.fsf@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <874kxymclu.fsf@linux.ibm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Dec 18, 2019 at 10:52:53AM +0530, Aneesh Kumar K.V wrote: > Upstream ppc64 is broken after the commit: a46cc7a90fd8 > ("powerpc/mm/radix: Improve TLB/PWC flushes"). > > Also the patches are not adding any extra TLBI on either radix or hash. > > Considering we need to backport this to stable and other distributions, > how about we do this early patches in your series before the Kconfig rename? > This should enable stable to pick them up with less dependencies. OK I suppose. Will you send a new series?