From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8A53BC433F5 for ; Fri, 10 Sep 2021 09:45:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 706FE611B0 for ; Fri, 10 Sep 2021 09:45:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231991AbhIJJq6 (ORCPT ); Fri, 10 Sep 2021 05:46:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:46842 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231916AbhIJJq6 (ORCPT ); Fri, 10 Sep 2021 05:46:58 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C3758610C7; Fri, 10 Sep 2021 09:45:45 +0000 (UTC) Date: Fri, 10 Sep 2021 10:45:42 +0100 From: Catalin Marinas To: Shameerali Kolothum Thodi Cc: Will Deacon , "linux-arm-kernel@lists.infradead.org" , "kernel-team@android.com" , Marc Zyngier , Jade Alglave , "kvmarm@lists.cs.columbia.edu" , "linux-arch@vger.kernel.org" , Jonathan Cameron Subject: Re: [PATCH 0/4] Fix racing TLBI with ASID/VMID reallocation Message-ID: References: <20210806113109.2475-1-will@kernel.org> <753ff5ea79d54db0af83d195adcfa2b1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <753ff5ea79d54db0af83d195adcfa2b1@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Fri, Sep 10, 2021 at 09:06:31AM +0000, Shameerali Kolothum Thodi wrote: > > [2] https://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/kernel-tla.git/commit/ > > I am going through the ASID TLA+ model and in the above commit, it appears that the > different ASID check(=> ActiveAsid(c1) # ActiveAsid(c2)) for the Invariant > UniqueASIDActiveTask is now removed. > > Just wondering why that is not relevant anymore? It's still relevant. I probably deleted it by mistake, I'll add it back now. Thanks for carefully looking at this commit. -- Catalin From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 549D5C433F5 for ; Fri, 10 Sep 2021 09:45:53 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id C8135610C7 for ; Fri, 10 Sep 2021 09:45:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C8135610C7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 599A64B174; Fri, 10 Sep 2021 05:45:52 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KGxPMUFGhztF; Fri, 10 Sep 2021 05:45:51 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 2763F4B173; Fri, 10 Sep 2021 05:45:51 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 978AA4B173 for ; Fri, 10 Sep 2021 05:45:49 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oLwzDZvqtB9X for ; Fri, 10 Sep 2021 05:45:48 -0400 (EDT) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 6CECB405EE for ; Fri, 10 Sep 2021 05:45:48 -0400 (EDT) Received: by mail.kernel.org (Postfix) with ESMTPSA id C3758610C7; Fri, 10 Sep 2021 09:45:45 +0000 (UTC) Date: Fri, 10 Sep 2021 10:45:42 +0100 From: Catalin Marinas To: Shameerali Kolothum Thodi Subject: Re: [PATCH 0/4] Fix racing TLBI with ASID/VMID reallocation Message-ID: References: <20210806113109.2475-1-will@kernel.org> <753ff5ea79d54db0af83d195adcfa2b1@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <753ff5ea79d54db0af83d195adcfa2b1@huawei.com> Cc: "linux-arch@vger.kernel.org" , Will Deacon , Jonathan Cameron , Marc Zyngier , "kernel-team@android.com" , "kvmarm@lists.cs.columbia.edu" , "linux-arm-kernel@lists.infradead.org" , Jade Alglave X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Fri, Sep 10, 2021 at 09:06:31AM +0000, Shameerali Kolothum Thodi wrote: > > [2] https://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/kernel-tla.git/commit/ > > I am going through the ASID TLA+ model and in the above commit, it appears that the > different ASID check(=> ActiveAsid(c1) # ActiveAsid(c2)) for the Invariant > UniqueASIDActiveTask is now removed. > > Just wondering why that is not relevant anymore? It's still relevant. I probably deleted it by mistake, I'll add it back now. Thanks for carefully looking at this commit. -- Catalin _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 783FFC433F5 for ; Fri, 10 Sep 2021 09:47:43 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3A66F6113E for ; Fri, 10 Sep 2021 09:47:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3A66F6113E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=4PwIzTvAE01x66OTB+j+rlytxi1rSpg5264cocvA2hE=; b=Qh23aCFBxHjrgs 0YA8gz0LU5RkuCDDLipiI89d2eJsgYtX+2HB7xYN3PBXsceq3vARmNbC16N1EwKGN4Bi3idkFQdpr RWESVELcFheqgryIzVkwGeqLRW/ydKxBHLXeINxRUwWek8TSI+8fbE0xLhQZca6hX52zCRSeRj+/W 6zPxC6nE9L1leL2CqQ5BRH4hxTiFhHXm2OqlryX2HuU8/vKuEgl81w8QdnVilI2WWuWgZPoewxxya IWndTlZUrGov/kjqpH9yjeFpal5GlXbakSscGyeGq5Jqn34DcnGnDe4U7eClqnnTgTTMsCSPr/sDc utIYjlZuXxVbUCP4Wvlg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mOd6W-00CNHz-K1; Fri, 10 Sep 2021 09:45:52 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mOd6S-00CNHA-C8 for linux-arm-kernel@lists.infradead.org; Fri, 10 Sep 2021 09:45:49 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id C3758610C7; Fri, 10 Sep 2021 09:45:45 +0000 (UTC) Date: Fri, 10 Sep 2021 10:45:42 +0100 From: Catalin Marinas To: Shameerali Kolothum Thodi Cc: Will Deacon , "linux-arm-kernel@lists.infradead.org" , "kernel-team@android.com" , Marc Zyngier , Jade Alglave , "kvmarm@lists.cs.columbia.edu" , "linux-arch@vger.kernel.org" , Jonathan Cameron Subject: Re: [PATCH 0/4] Fix racing TLBI with ASID/VMID reallocation Message-ID: References: <20210806113109.2475-1-will@kernel.org> <753ff5ea79d54db0af83d195adcfa2b1@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <753ff5ea79d54db0af83d195adcfa2b1@huawei.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210910_024548_477011_7FB89B01 X-CRM114-Status: UNSURE ( 9.04 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Sep 10, 2021 at 09:06:31AM +0000, Shameerali Kolothum Thodi wrote: > > [2] https://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/kernel-tla.git/commit/ > > I am going through the ASID TLA+ model and in the above commit, it appears that the > different ASID check(=> ActiveAsid(c1) # ActiveAsid(c2)) for the Invariant > UniqueASIDActiveTask is now removed. > > Just wondering why that is not relevant anymore? It's still relevant. I probably deleted it by mistake, I'll add it back now. Thanks for carefully looking at this commit. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel