From owner-freebsd-arch@freebsd.org Sat Mar 11 15:11:51 2017 Return-Path: Delivered-To: freebsd-arch@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2D104CFBB23 for ; Sat, 11 Mar 2017 15:11:51 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citapm.icyb.net.ua (citapm.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 5F6521AAC for ; Sat, 11 Mar 2017 15:11:49 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citapm.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id RAA23955 for ; Sat, 11 Mar 2017 17:11:48 +0200 (EET) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1cmigN-000LPv-Pk for freebsd-arch@FreeBSD.ORG; Sat, 11 Mar 2017 17:11:47 +0200 To: freebsd-arch@FreeBSD.org From: Andriy Gapon Subject: AMD Specific EIO Message-ID: <78db87e5-b89d-38da-f493-102b8ceb5f3a@FreeBSD.org> Date: Sat, 11 Mar 2017 17:10:26 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Mar 2017 15:11:51 -0000 The AMD's variant of the Specific EIO feature (or EOI Suppression) requires that a vector number is known. So, implementing that feature requires a change to the Local APIC interface and its consumers. Could you please take a look at the following review request and let me know if you have any concerns or objections? https://reviews.freebsd.org/D9880 Thanks! -- Andriy Gapon