From patchwork Tue Mar 15 17:56:50 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Rzeszutek Wilk X-Patchwork-Id: 8591151 Return-Path: X-Original-To: patchwork-xen-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 10329C0553 for ; Tue, 15 Mar 2016 18:02:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 244B7201D3 for ; Tue, 15 Mar 2016 18:02:43 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0D43E20253 for ; Tue, 15 Mar 2016 18:02:42 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1aftGj-0001Hg-GW; Tue, 15 Mar 2016 18:00:33 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1aftGg-0001AP-I2 for xen-devel@lists.xenproject.org; Tue, 15 Mar 2016 18:00:30 +0000 Received: from [85.158.139.211] by server-6.bemta-5.messagelabs.com id 6E/43-02479-DBD48E65; Tue, 15 Mar 2016 18:00:29 +0000 X-Env-Sender: konrad@char.us.oracle.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1458064828!28892667!1 X-Originating-IP: [141.146.126.69] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTQxLjE0Ni4xMjYuNjkgPT4gMjc3MjE4\n X-StarScan-Received: X-StarScan-Version: 8.11; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12154 invoked from network); 15 Mar 2016 18:00:29 -0000 Received: from aserp1040.oracle.com (HELO aserp1040.oracle.com) (141.146.126.69) by server-6.tower-206.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 15 Mar 2016 18:00:29 -0000 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u2FI0K9T026691 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 15 Mar 2016 18:00:20 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u2FI0J9j013597 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Tue, 15 Mar 2016 18:00:20 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u2FI0JR1006018; Tue, 15 Mar 2016 18:00:19 GMT Received: from char.us.oracle.com (/10.137.176.158) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 15 Mar 2016 11:00:18 -0700 Received: by char.us.oracle.com (Postfix, from userid 1000) id 28EFB6A00F1; Tue, 15 Mar 2016 13:59:59 -0400 (EDT) From: Konrad Rzeszutek Wilk To: xen-devel@lists.xenproject.org, ross.lagerwall@citrix.com, konrad@kernel.org, andrew.cooper3@citrix.com, mpohlack@amazon.de, sasha.levin@oracle.com Date: Tue, 15 Mar 2016 13:56:50 -0400 Message-Id: <1458064616-23101-29-git-send-email-konrad.wilk@oracle.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1458064616-23101-1-git-send-email-konrad.wilk@oracle.com> References: <1458064616-23101-1-git-send-email-konrad.wilk@oracle.com> X-Source-IP: aserv0022.oracle.com [141.146.126.234] Cc: Keir Fraser , Tim Deegan , Ian Jackson , Jan Beulich , Konrad Rzeszutek Wilk Subject: [Xen-devel] [PATCH v4 28/34] xsplice: Print build_id in keyhandler and on bootup. X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As it should be an useful debug mechanism. Signed-off-by: Konrad Rzeszutek Wilk --- Cc: Ian Jackson Cc: Jan Beulich Cc: Keir Fraser Cc: Tim Deegan v2: s/char */const void * --- xen/common/xsplice.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/xen/common/xsplice.c b/xen/common/xsplice.c index e5867bd..effae86 100644 --- a/xen/common/xsplice.c +++ b/xen/common/xsplice.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -1295,8 +1296,13 @@ static const char *state2str(uint32_t state) static void xsplice_printall(unsigned char key) { struct payload *data; + const void *binary_id = NULL; + ssize_t len = 0; unsigned int i; + if ( !xen_build_id(&binary_id, &len) ) + printk("build-id: %*phN\n", (int)len, binary_id); + spin_lock_recursive(&payload_lock); list_for_each_entry ( data, &payload_list, list ) @@ -1319,8 +1325,14 @@ static void xsplice_printall(unsigned char key) static int __init xsplice_init(void) { + const void *binary_id = NULL; + ssize_t len = 0; + BUILD_BUG_ON( sizeof(struct xsplice_patch_func) != 64 ); + if ( !xen_build_id(&binary_id, &len) ) + printk(XENLOG_INFO "%s: build-id: %*phN\n", XSPLICE, (int)len, binary_id); + register_keyhandler('x', xsplice_printall, "print xsplicing info", 1); arch_xsplice_register_find_space(&find_hole); return 0;