Message ID | 20170622154336.z2q2wja35cvva4ms@naverao1-tp.localdomain (mailing list archive) |
---|---|
State | Changes Requested |
Headers | show
Return-Path: <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3wtm9n4nB5z9sNV for <patchwork-incoming@ozlabs.org>; Fri, 23 Jun 2017 01:45:01 +1000 (AEST) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3wtm9n3CsbzDr4c for <patchwork-incoming@ozlabs.org>; Fri, 23 Jun 2017 01:45:01 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3wtm8S2SYjzDr11 for <linuxppc-dev@lists.ozlabs.org>; Fri, 23 Jun 2017 01:43:51 +1000 (AEST) Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v5MFhklW045477 for <linuxppc-dev@lists.ozlabs.org>; Thu, 22 Jun 2017 11:43:49 -0400 Received: from e23smtp04.au.ibm.com (e23smtp04.au.ibm.com [202.81.31.146]) by mx0a-001b2d01.pphosted.com with ESMTP id 2b8beu0u8r-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for <linuxppc-dev@lists.ozlabs.org>; Thu, 22 Jun 2017 11:43:49 -0400 Received: from localhost by e23smtp04.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for <linuxppc-dev@lists.ozlabs.org> from <naveen.n.rao@linux.vnet.ibm.com>; Fri, 23 Jun 2017 01:43:41 +1000 Received: from d23relay09.au.ibm.com (202.81.31.228) by e23smtp04.au.ibm.com (202.81.31.210) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Fri, 23 Jun 2017 01:43:39 +1000 Received: from d23av06.au.ibm.com (d23av06.au.ibm.com [9.190.235.151]) by d23relay09.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v5MFhc4o3604878 for <linuxppc-dev@lists.ozlabs.org>; Fri, 23 Jun 2017 01:43:38 +1000 Received: from d23av06.au.ibm.com (localhost [127.0.0.1]) by d23av06.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v5MFhbJl006233 for <linuxppc-dev@lists.ozlabs.org>; Fri, 23 Jun 2017 01:43:38 +1000 Received: from localhost ([9.79.178.230]) by d23av06.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id v5MFhavE006217; Fri, 23 Jun 2017 01:43:37 +1000 Date: Thu, 22 Jun 2017 21:13:36 +0530 From: "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com> To: Nicholas Piggin <npiggin@gmail.com> Subject: Re: [PATCH v3 4/6] powerpc/64s: Un-blacklist system_call() from kprobes References: <cover.1498069502.git.naveen.n.rao@linux.vnet.ibm.com> <d13eccaed4be643409abed29565dbdd8c7d5af6a.1498069502.git.naveen.n.rao@linux.vnet.ibm.com> <20170622134112.4bd32543@roar.ozlabs.ibm.com> <8737ass29e.fsf@concordia.ellerman.id.au> <20170622231411.75ef990b@roar.ozlabs.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170622231411.75ef990b@roar.ozlabs.ibm.com> User-Agent: NeoMutt/20170609 (1.8.3) X-TM-AS-MML: disable x-cbid: 17062215-0012-0000-0000-0000024B8496 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17062215-0013-0000-0000-0000076423B0 Message-Id: <20170622154336.z2q2wja35cvva4ms@naverao1-tp.localdomain> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-06-22_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1706220271 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Cc: linuxppc-dev@lists.ozlabs.org, Masami Hiramatsu <mhiramat@kernel.org> Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> |
--- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -175,8 +175,9 @@ system_call: /* label this so stack traces look sane */ ldx r12,r11,r0 /* Fetch system call handler [ptr] */ mtctr r12 bctrl /* Call handler */ + nop -.Lsyscall_exit: +system_call_exit: std r3,RESULT(r1) CURRENT_THREAD_INFO(r12, r1)