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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, 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 199C7C169C4 for ; Wed, 6 Feb 2019 12:54:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D9BA620B1F for ; Wed, 6 Feb 2019 12:54:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.de header.i=@amazon.de header.b="na9ZA9Jw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730180AbfBFMyH (ORCPT ); Wed, 6 Feb 2019 07:54:07 -0500 Received: from smtp-fw-9102.amazon.com ([207.171.184.29]:7671 "EHLO smtp-fw-9102.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728055AbfBFMyG (ORCPT ); Wed, 6 Feb 2019 07:54:06 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.de; i=@amazon.de; q=dns/txt; s=amazon201209; t=1549457646; x=1580993646; h=from:to:cc:subject:references:date:in-reply-to: message-id:mime-version; bh=kRiBg6+PJSypMIEr1o3KlnRGpo6KX2xIqB3DZhbH498=; b=na9ZA9Jwd8WHkYHRaFeTyThyNRL4rC4uqQE9+eWTlJxbnA0+OMTsr553 mfcM7EselnmxPUJlb0D0In5+8FxssTS6+ORkJ0D0by7yl031j/gl8on7A M2Qqcvf9Nzn+8jdjy3TRnQnke6trP9Rm+fj+Ss/b3zibgWguS1G2MesNv 4=; X-IronPort-AV: E=Sophos;i="5.58,340,1544486400"; d="scan'208";a="657949096" Received: from sea3-co-svc-lb6-vlan3.sea.amazon.com (HELO email-inbound-relay-2a-f14f4a47.us-west-2.amazon.com) ([10.47.22.38]) by smtp-border-fw-out-9102.sea19.amazon.com with ESMTP; 06 Feb 2019 12:54:02 +0000 Received: from u54ee758033e858cfa736.ant.amazon.com (pdx2-ws-svc-lb17-vlan3.amazon.com [10.247.140.70]) by email-inbound-relay-2a-f14f4a47.us-west-2.amazon.com (Postfix) with ESMTPS id 0721FA20B6; Wed, 6 Feb 2019 12:53:58 +0000 (UTC) From: Julian Stecklina To: Paolo Bonzini Cc: "Suthikulpanit\, Suravee" , "linux-kernel\@vger.kernel.org" , "kvm\@vger.kernel.org" , "x86\@kernel.org" , "joro\@8bytes.org" , "rkrcmar\@redhat.com" , "tglx\@linutronix.de" , "mingo\@redhat.com" , "bp\@alien8.de" , "hpa\@zytor.com" , "sironi\@amazon.de" , "wawei\@amazon.de" Subject: Re: [RFC PATCH 7/8] KVM: i8254: Remove need for irq ack notifier References: <20190204144128.9489-1-suravee.suthikulpanit@amd.com> <20190204144128.9489-8-suravee.suthikulpanit@amd.com> <8ecf791c-d850-25d9-562e-aa2ff5944d2e@redhat.com> Date: Wed, 06 Feb 2019 13:53:56 +0100 In-Reply-To: <8ecf791c-d850-25d9-562e-aa2ff5944d2e@redhat.com> (Paolo Bonzini's message of "Wed, 6 Feb 2019 11:29:15 +0100") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Paolo Bonzini writes: > Alternatively, it is probably a good time to switch the default to split irqchip > in QEMU. Split irqchip was introduced in kernel 4.5, which was released about > three years ago. I totally agree. At some point, the in-kernel PIT/PIC emulation should also be removed, but I guess it's too early to talk about this. Julian