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 Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1569ECAAD8 for ; Tue, 20 Sep 2022 16:33:51 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 4D19549EC2; Tue, 20 Sep 2022 12:33:51 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@kernel.org 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 i7czcKRKY3Xp; Tue, 20 Sep 2022 12:33:50 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 393EE49F3B; Tue, 20 Sep 2022 12:33:50 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 9284449EC2 for ; Tue, 20 Sep 2022 12:33:49 -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 qLsHLyeyv++f for ; Tue, 20 Sep 2022 12:33:48 -0400 (EDT) Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 58CC849DE3 for ; Tue, 20 Sep 2022 12:33:48 -0400 (EDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id C3BA7B820A9; Tue, 20 Sep 2022 16:33:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C0A7C433D6; Tue, 20 Sep 2022 16:33:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1663691625; bh=8jHMNALAElMkh3GttD9BKJMCY2IIH5mnzRc5BmUBolM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=n4UrolppoPViB3Jz8XXUWTHwiS8BlDgEi9oiaGAol9yPGHwxajpMfKMl1lTX3MRDC ymmz4AmY93ZMjBVKaTBnAcY+big+cwVixRVCWQOJdK9JByjtKnVOEhP2muSo42G+cs oY0GB0IBeiRmd8+nFCiONOh7laM/kNq1KlZUGAoKCPJl0yHJio20pqxMRsIplhAKas udvgf+O8/Du01R9P5LCAm5ZvyNdHc40850T7+5bvdgXyiSKWr72bRDmKiHb1g2Rre/ asKOMvi+ynAYYR4ABPjt8lndRzUINuymDG0/ZRcIT2/3zSKpinjwhxkd5qVgJv1mNr e+2vB8vJ4tjtg== Received: from 185-176-101-241.host.sccbroadband.ie ([185.176.101.241] helo=wait-a-minute.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1oagBr-00BS4W-EH; Tue, 20 Sep 2022 17:33:43 +0100 Date: Tue, 20 Sep 2022 17:33:42 +0100 Message-ID: <871qs6kntl.wl-maz@kernel.org> From: Marc Zyngier To: Catalin Marinas Subject: Re: [PATCH v3 3/7] mm: Add PG_arch_3 page flag In-Reply-To: References: <20220810193033.1090251-4-pcc@google.com> <202208111500.62e0Bl2l-lkp@intel.com> <878rmfkzbu.wl-maz@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 185.176.101.241 X-SA-Exim-Rcpt-To: catalin.marinas@arm.com, lkp@intel.com, pcc@google.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kbuild-all@lists.01.org, cohuck@redhat.com, will@kernel.org, eugenis@google.com, kvm@vger.kernel.org, steven.price@arm.com, vincenzo.frascino@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Cc: kbuild-all@lists.01.org, kernel test robot , kvm@vger.kernel.org, Will Deacon , Cornelia Huck , Steven Price , Evgenii Stepanov , Vincenzo Frascino , Peter Collingbourne , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org 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 Tue, 20 Sep 2022 16:39:47 +0100, Catalin Marinas wrote: > > On Mon, Sep 19, 2022 at 07:12:53PM +0100, Marc Zyngier wrote: > > On Mon, 05 Sep 2022 18:01:55 +0100, > > Catalin Marinas wrote: > > > Peter, please let me know if you want to pick this series up together > > > with your other KVM patches. Otherwise I can post it separately, it's > > > worth merging it on its own as it clarifies the page flag vs tag setting > > > ordering. > > > > I'm looking at queuing this, but I'm confused by this comment. Do I > > need to pick this as part of the series? Or is this an independent > > thing (my hunch is that it is actually required not to break other > > architectures...). > > This series series (at least the first patches) won't apply cleanly on > top of 6.0-rc1 and, of course, we shouldn't break other architectures. I > can repost the whole series but I don't have the setup to test the > MAP_SHARED KVM option (unless Peter plans to post it soon). I don't feel brave enough to take a series affecting all architectures so late in the game, and the whole thing had very little arm64 exposure. The latest QEMU doesn't seem to work anymore, so I don't have any MTE-capable emulation (and using the FVP remotely is a pain in the proverbial neck). I'll come back to this after the merge window, should Peter decide to respin the series. Thanks, M. -- Without deviation from the norm, progress is not possible. _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm