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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 16FBDC43217 for ; Mon, 18 Oct 2021 13:17:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F40C16103D for ; Mon, 18 Oct 2021 13:17:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231787AbhJRNUI (ORCPT ); Mon, 18 Oct 2021 09:20:08 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:46622 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231854AbhJRNUF (ORCPT ); Mon, 18 Oct 2021 09:20:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1634563074; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=MzTAOtwulDEmvfrOMqdp9kU77zBPM/IRO9XOnd+cufc=; b=ZbmBWPjPMcr7NQv+Uus8ffhVDkOCvpQIrYd2Tl+ZrCAM98f44ZLtyEqNzzLaqLAbX7voBz +gxHM+oxS1+1rJXczAMOd3KCzmZyrLMlRsg9d37BGJFW6BxEBgfAGDK09iSJVtxUPZ8tlM 1VNo43yuOH4VYVxYeV8rl8XAD/yPU5o= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-520-SPjh4WfJMt-nRuS_U8bViw-1; Mon, 18 Oct 2021 09:17:51 -0400 X-MC-Unique: SPjh4WfJMt-nRuS_U8bViw-1 Received: by mail-wm1-f70.google.com with SMTP id s26-20020a7bc39a000000b0030d9db6c428so2070067wmj.6 for ; Mon, 18 Oct 2021 06:17:51 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=MzTAOtwulDEmvfrOMqdp9kU77zBPM/IRO9XOnd+cufc=; b=h89nbEmDlGjy0u1o0sabxAbgaVwT4YFbkME8toGP7FLlhmuTp+hNKQ+6H14zh+f0iK M/NON/AmZHmpzh0gcKaK3AOklEK4sxE4UdA9rJ3TPEr/UFIzLVZ7I6rj1D/aX4xknzSI gXxp5qrk7fOM04iWZdZ3VdIoykaTm8QbBIi/5NSPz+qPA+JHabRwjA9gyEdjQHzTXfOJ xrc/Xuh2EqzxRzMHWj9UGYYBIUE7dwdhYqxpEinEwOd2DPEnCUHI3Y8w9ZxGJrOx6qSj BNoYAJ0kqCujn4kyg7bW/7Ukmbq3DkxUMbfzZ+L2UKmshlX4NjpuPrCLzYHUFoa8R6Cd n09A== X-Gm-Message-State: AOAM531pSdmjq9b1BmbCDvtfhw/XKRVuJo8bqKVL6aRmrflwRPLkFhTN 9BeOfLa8mzkE4mFiLvrvpCFnWf0sExubCf0glEXjPiNGhdA4s7HeDpwAEOJeH5jyeksNiFjhWtJ dpq6/JtkdSCg40izHTdWiUw== X-Received: by 2002:a7b:c258:: with SMTP id b24mr43163297wmj.160.1634563070234; Mon, 18 Oct 2021 06:17:50 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzSuIZ1TUObsaltct5kZLxF5NiX0EAwqlesEoWuwEt55OWxSiqTjrt15fn3c5YHGk3doStYbg== X-Received: by 2002:a7b:c258:: with SMTP id b24mr43163243wmj.160.1634563069879; Mon, 18 Oct 2021 06:17:49 -0700 (PDT) Received: from redhat.com ([2.55.19.190]) by smtp.gmail.com with ESMTPSA id n66sm12531808wmn.2.2021.10.18.06.17.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Oct 2021 06:17:48 -0700 (PDT) Date: Mon, 18 Oct 2021 09:17:41 -0400 From: "Michael S. Tsirkin" To: Greg KH Cc: Andi Kleen , Kuppuswamy Sathyanarayanan , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Peter Zijlstra , Andy Lutomirski , Bjorn Helgaas , Richard Henderson , Thomas Bogendoerfer , James E J Bottomley , Helge Deller , "David S . Miller" , Arnd Bergmann , Jonathan Corbet , Paolo Bonzini , David Hildenbrand , Andrea Arcangeli , Josh Poimboeuf , Peter H Anvin , Dave Hansen , Tony Luck , Dan Williams , Kirill Shutemov , Sean Christopherson , Kuppuswamy Sathyanarayanan , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-alpha@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: Re: [PATCH v5 12/16] PCI: Add pci_iomap_host_shared(), pci_iomap_host_shared_range() Message-ID: <20211018091627-mutt-send-email-mst@kernel.org> References: <20211009003711.1390019-1-sathyanarayanan.kuppuswamy@linux.intel.com> <20211009003711.1390019-13-sathyanarayanan.kuppuswamy@linux.intel.com> <20211009053103-mutt-send-email-mst@kernel.org> <20211011073614-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Mon, Oct 18, 2021 at 02:15:47PM +0200, Greg KH wrote: > On Mon, Oct 11, 2021 at 07:59:17AM -0400, Michael S. Tsirkin wrote: > > On Sun, Oct 10, 2021 at 03:22:39PM -0700, Andi Kleen wrote: > > > > > > > To which Andi replied > > > > One problem with removing the ioremap opt-in is that > > > > it's still possible for drivers to get at devices without going through probe. > > > > > > > > To which Greg replied: > > > > https://lore.kernel.org/all/YVXBNJ431YIWwZdQ@kroah.com/ > > > > If there are in-kernel PCI drivers that do not do this, they need to be > > > > fixed today. > > > > > > > > Can you guys resolve the differences here? > > > > > > > > > I addressed this in my other mail, but we may need more discussion. > > > > Hopefully Greg will reply to that one. > > Note, when wanting Greg to reply, someone should at the very least cc: > him. "that one" being "Andi's other mail". Which I don't remember what it was, by now. Sorry. > {sigh} > > greg k-h