From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f200.google.com (mail-wr0-f200.google.com [209.85.128.200]) by kanga.kvack.org (Postfix) with ESMTP id 1DBEC6B0008 for ; Wed, 7 Mar 2018 12:30:38 -0500 (EST) Received: by mail-wr0-f200.google.com with SMTP id j21so1652662wre.20 for ; Wed, 07 Mar 2018 09:30:38 -0800 (PST) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id h30si14267775wrh.247.2018.03.07.09.30.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 07 Mar 2018 09:30:36 -0800 (PST) Date: Wed, 7 Mar 2018 09:30:36 -0800 From: Greg Kroah-Hartman Subject: Re: [PATCH 1/2] x86/mm: Give each mm a unique ID Message-ID: <20180307173036.GJ7097@kroah.com> References: <3351ba53a3b570ba08f2a0f5a59d01b7d80a8955.1520026221.git.tim.c.chen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3351ba53a3b570ba08f2a0f5a59d01b7d80a8955.1520026221.git.tim.c.chen@linux.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: Tim Chen Cc: stable@vger.kernel.org, Andy Lutomirski , Nadav Amit , Thomas Gleixner , Andrew Morton , Arjan van de Ven , Borislav Petkov , Dave Hansen , Linus Torvalds , Mel Gorman , Peter Zijlstra , Rik van Riel , Ingo Molnar , David Woodhouse , ak@linux.intel.com, karahmed@amazon.de, pbonzini@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org On Fri, Mar 02, 2018 at 01:32:09PM -0800, Tim Chen wrote: > From: Andy Lutomirski > commit: f39681ed0f48498b80455095376f11535feea332 > > This adds a new variable to mmu_context_t: ctx_id. > ctx_id uniquely identifies the mm_struct and will never be reused. > > Signed-off-by: Andy Lutomirski > Reviewed-by: Nadav Amit > Reviewed-by: Thomas Gleixner > Cc: Andrew Morton > Cc: Arjan van de Ven > Cc: Borislav Petkov > Cc: Dave Hansen > Cc: Linus Torvalds > Cc: Mel Gorman > Cc: Peter Zijlstra > Cc: Rik van Riel > Cc: linux-mm@kvack.org > Link: http://lkml.kernel.org/r/413a91c24dab3ed0caa5f4e4d017d87b0857f920.1498751203.git.luto@kernel.org > Signed-off-by: Ingo Molnar > Signed-off-by: Tim Chen > --- > arch/x86/include/asm/mmu.h | 15 +++++++++++++-- > arch/x86/include/asm/mmu_context.h | 5 +++++ > arch/x86/mm/tlb.c | 2 ++ > 3 files changed, 20 insertions(+), 2 deletions(-) > Does not apply to 4.4.y :( Can you provide a working backport for that tree? thanks, greg k-h -- 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/ . 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Wed, 7 Mar 2018 12:30:35 -0500 Date: Wed, 7 Mar 2018 09:30:36 -0800 From: Greg Kroah-Hartman To: Tim Chen Cc: stable@vger.kernel.org, Andy Lutomirski , Nadav Amit , Thomas Gleixner , Andrew Morton , Arjan van de Ven , Borislav Petkov , Dave Hansen , Linus Torvalds , Mel Gorman , Peter Zijlstra , Rik van Riel , Ingo Molnar , David Woodhouse , ak@linux.intel.com, karahmed@amazon.de, pbonzini@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] x86/mm: Give each mm a unique ID Message-ID: <20180307173036.GJ7097@kroah.com> References: <3351ba53a3b570ba08f2a0f5a59d01b7d80a8955.1520026221.git.tim.c.chen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3351ba53a3b570ba08f2a0f5a59d01b7d80a8955.1520026221.git.tim.c.chen@linux.intel.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Fri, Mar 02, 2018 at 01:32:09PM -0800, Tim Chen wrote: > From: Andy Lutomirski > commit: f39681ed0f48498b80455095376f11535feea332 > > This adds a new variable to mmu_context_t: ctx_id. > ctx_id uniquely identifies the mm_struct and will never be reused. > > Signed-off-by: Andy Lutomirski > Reviewed-by: Nadav Amit > Reviewed-by: Thomas Gleixner > Cc: Andrew Morton > Cc: Arjan van de Ven > Cc: Borislav Petkov > Cc: Dave Hansen > Cc: Linus Torvalds > Cc: Mel Gorman > Cc: Peter Zijlstra > Cc: Rik van Riel > Cc: linux-mm@kvack.org > Link: http://lkml.kernel.org/r/413a91c24dab3ed0caa5f4e4d017d87b0857f920.1498751203.git.luto@kernel.org > Signed-off-by: Ingo Molnar > Signed-off-by: Tim Chen > --- > arch/x86/include/asm/mmu.h | 15 +++++++++++++-- > arch/x86/include/asm/mmu_context.h | 5 +++++ > arch/x86/mm/tlb.c | 2 ++ > 3 files changed, 20 insertions(+), 2 deletions(-) > Does not apply to 4.4.y :( Can you provide a working backport for that tree? thanks, greg k-h