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 59DCEC433F5 for ; Mon, 4 Oct 2021 18:12:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 39F4E61002 for ; Mon, 4 Oct 2021 18:12:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236018AbhJDSNt (ORCPT ); Mon, 4 Oct 2021 14:13:49 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:57054 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236050AbhJDSNt (ORCPT ); Mon, 4 Oct 2021 14:13:49 -0400 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 194Hh78p007660; Mon, 4 Oct 2021 14:11:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : subject : to : cc : references : in-reply-to : mime-version : message-id : content-type : content-transfer-encoding; s=pp1; bh=ljXqVufmHhnRJG7cSl8LWnmy2wSmE4Bj70sdIMXS+8U=; b=iT2TNjA7mkTqQGmGI2SuW7hW/Z/TgA+k6sM65U6+chSDL2ka9OB80ZCHICNSPJL9636E 17kq0ml7ieoCcfuKAOJdJyfc3L+JjQw1bphCjjF2sA9VPhh3B0i5q2j8T/YNx1J6lqON IubeuhMxeFWlBYm41cYvHzri2WODRCDB9FsirgrB9l2niFTmEZOjw3icUTRC2dTABp+i zmzuwhAujJKthTpZVzEh+v2PBCFvSNcgq05Apg0zZ85bnZ+BbmS1+OuhXsfNEbhEuUT5 59JAcNtcOgBMVNzKjJoy3yCM6u2SxC/i0KvqZRy2UkIreAV75afjNfwOB2M8u2MNdRd9 mQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3bg68t0mqa-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 04 Oct 2021 14:11:40 -0400 Received: from m0098421.ppops.net (m0098421.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 194HkblC018247; Mon, 4 Oct 2021 14:11:39 -0400 Received: from ppma04fra.de.ibm.com (6a.4a.5195.ip4.static.sl-reverse.com [149.81.74.106]) by mx0a-001b2d01.pphosted.com with ESMTP id 3bg68t0mpq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 04 Oct 2021 14:11:39 -0400 Received: from pps.filterd (ppma04fra.de.ibm.com [127.0.0.1]) by ppma04fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 194I2ZZb004096; Mon, 4 Oct 2021 18:11:38 GMT Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by ppma04fra.de.ibm.com with ESMTP id 3bef29rsh2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 04 Oct 2021 18:11:37 +0000 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 194IBZgC53215712 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 4 Oct 2021 18:11:35 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4D5D54203F; Mon, 4 Oct 2021 18:11:35 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AB7F942042; Mon, 4 Oct 2021 18:11:34 +0000 (GMT) Received: from localhost (unknown [9.43.21.28]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 4 Oct 2021 18:11:34 +0000 (GMT) Date: Mon, 04 Oct 2021 23:41:32 +0530 From: "Naveen N. Rao" Subject: Re: [PATCH 3/9] powerpc/bpf: Remove unused SEEN_STACK To: Alexei Starovoitov , Christophe Leroy , Daniel Borkmann , Johan Almbladh , Michael Ellerman , Nicholas Piggin Cc: bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org References: <92fcd53a43dede52fbba52dc50c76042a6ce284c.1633104510.git.naveen.n.rao@linux.vnet.ibm.com> In-Reply-To: MIME-Version: 1.0 User-Agent: astroid/v0.15-23-gcdc62b30 (https://github.com/astroidmail/astroid) Message-Id: <1633369544.ekqufta9bg.naveen@linux.ibm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: U35N95J3kp-oGtzcIphUah55R57BcLsx X-Proofpoint-ORIG-GUID: IfnMBHQJnIKAYI0zRSnltowmMhsZCNj_ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-10-04_05,2021-10-04_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 spamscore=0 suspectscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 mlxscore=0 phishscore=0 mlxlogscore=999 clxscore=1015 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110040125 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Christophe Leroy wrote: >=20 >=20 > Le 01/10/2021 =C3=A0 23:14, Naveen N. Rao a =C3=A9crit=C2=A0: >> From: Ravi Bangoria >>=20 >> SEEN_STACK is unused on PowerPC. Remove it. Also, have >> SEEN_TAILCALL use 0x40000000. >=20 > Why change SEEN_TAILCALL ? Would it be a problem to leave it as is ? >=20 >>=20 >> Signed-off-by: Ravi Bangoria >> Reviewed-by: Christophe Leroy I prefer the bit usage to be contiguous. Changing SEEN_TAILCALL isn't a=20 problem either. - Naveen