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Thu, 2 Feb 2023 17:05:59 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4D65E20043; Thu, 2 Feb 2023 17:05:59 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7567020040; Thu, 2 Feb 2023 17:05:57 +0000 (GMT) Received: from osiris (unknown [9.171.31.155]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTPS; Thu, 2 Feb 2023 17:05:57 +0000 (GMT) Date: Thu, 2 Feb 2023 18:05:56 +0100 From: Heiko Carstens To: Peter Zijlstra Cc: torvalds@linux-foundation.org, corbet@lwn.net, will@kernel.org, boqun.feng@gmail.com, mark.rutland@arm.com, catalin.marinas@arm.com, dennis@kernel.org, tj@kernel.org, cl@linux.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, joro@8bytes.org, suravee.suthikulpanit@amd.com, robin.murphy@arm.com, dwmw2@infradead.org, baolu.lu@linux.intel.com, Arnd Bergmann , Herbert Xu , davem@davemloft.net, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, Andrew Morton , vbabka@suse.cz, roman.gushchin@linux.dev, 42.hyeyoo@gmail.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, iommu@lists.linux.dev, linux-arch@vger.kernel.org, linux-crypto@vger.kernel.org Subject: Re: [PATCH v2 10/10] s390/cpum_sf: Convert to cmpxchg128() Message-ID: References: <20230202145030.223740842@infradead.org> <20230202152655.805747571@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230202152655.805747571@infradead.org> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: Z7UVjly_HchAKy3nXhefa_qrgUKnjUaS X-Proofpoint-ORIG-GUID: 7ytywSjFg4weggctu8H9bLj6a3mmNq_m X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-02-02_10,2023-02-02_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=509 mlxscore=0 impostorscore=0 clxscore=1015 suspectscore=0 spamscore=0 adultscore=0 bulkscore=0 lowpriorityscore=0 priorityscore=1501 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302020148 X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: DDD0D2002A X-Stat-Signature: bqjcg9u46ez9tzgu5wdmkquoeuztxi19 X-HE-Tag: 1675357583-570111 X-HE-Meta: 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 4hSDrRmK T3He2xDVjNowrd1UkrsrR8lslaXdv0S5gBywDd+I2gU07Czz7+YIYLOdBurkKZ5VLE5JjGCBjKMG3EWto94Jjzb7DJAn1FNgXZv2osV11DdtMoCHNuTyC3Ol0HZD3ihiLJObdCJKMY2B3gNiVWSiPsdzMUP3lvOp9Gpf6LDI1ZSTkkFnOssrlTNRJJo+hRqOkSe4l92bj3BpxOy7lt14zGTVVZV3l8p3ec3/ONb+ahYuY1qxYmMnzWnYhCEuiTndTok9NACZMmMpzt5JJt2XB8iVBKE4KefdL+UxyKA82EKMGuG856Kaw/Al1GospYYrTtojIeJl6M2JalJjhKtmnJ40rXg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Feb 02, 2023 at 03:50:40PM +0100, Peter Zijlstra wrote: > Now that there is a cross arch u128 and cmpxchg128(), use those > instead of the custom CDSG helper. > > Signed-off-by: Peter Zijlstra (Intel) > --- > arch/s390/include/asm/cpu_mf.h | 2 +- > arch/s390/kernel/perf_cpum_sf.c | 22 ++++++---------------- > 2 files changed, 7 insertions(+), 17 deletions(-) Acked-by: Heiko Carstens