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Fri, 13 May 2022 09:17:43 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9FE6E5204E; Fri, 13 May 2022 09:17:43 +0000 (GMT) Received: from localhost (unknown [9.171.34.99]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTPS id A33DA5204F; Fri, 13 May 2022 09:17:42 +0000 (GMT) Date: Fri, 13 May 2022 11:17:41 +0200 From: Vasily Gorbik To: Heiko Carstens Cc: Alexander Gordeev , Jonas Paulsson , Ulrich Weigand , Masahiro Yamada , Alexander Egorenkov , Sven Schnelle , Andreas Krebbel , Nathan Chancellor , Nick Desaulniers , linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Subject: Re: [PATCH 1/8] s390/alternatives: provide identical sized orginal/alternative sequences Message-ID: References: <20220511120532.2228616-1-hca@linux.ibm.com> <20220511120532.2228616-2-hca@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220511120532.2228616-2-hca@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: ikj6y5DDvEKklrQMT47845eaupOnF8CQ X-Proofpoint-ORIG-GUID: pjZpJuddCSOivDYQSSPmqDnE3sMMJrfi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-05-13_04,2022-05-12_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=4 malwarescore=0 phishscore=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 adultscore=0 spamscore=4 bulkscore=0 clxscore=1011 impostorscore=0 mlxlogscore=135 mlxscore=4 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2205130040 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 11, 2022 at 02:05:25PM +0200, Heiko Carstens wrote: > Explicitly provide identical sized original/alternative instruction > sequences. This way there is no need for the s390 specific alternatives > infrastructure to generate padding sequences. > The code which generates such sequences will be removed with a follow on > patch. > > Signed-off-by: Heiko Carstens > --- > arch/s390/include/asm/spinlock.h | 2 +- > arch/s390/kernel/entry.S | 20 ++++++++++---------- > arch/s390/lib/spinlock.c | 4 ++-- > 3 files changed, 13 insertions(+), 13 deletions(-) Acked-by: Vasily Gorbik