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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 30A70C48BEB for ; Fri, 16 Feb 2024 12:09:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:Cc:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=RTO4du97JwJVLi4FBjjNMg11LIug69QUmAmzb0Sanf8=; b=QrGdPY/aDZ3fDb 8stodLa6pPn6qzQLCDRlsHQDu1QGqqyyjxRgXs5zRTkLLHxIJKWA85k6S9T5+e8l+hS0vE9zwntX7 c8xrN79IdvNG6DH6MaUh/ST+VXzEJXMJiLDCKeVkTv/UHZV+TIWTgo+9980DC/Q7QyxUl2dJuDJk/ p9mT/N718NdKWWEAzvAb5C2K3cijoVZFtI8TwRtyz9DmMDbVb699Dt2FTFuPEt1FIbMNzsYM5Tt+1 l/dwxucKnpM91vFu6h1IW8kmS5szn67+RvSA0j4Sz1eULQUsOCDtggA7sei1KccENu9E070RWdln/ L+Dcs187pXLiCPtmbrMQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rax21-00000002FYu-0bMO; Fri, 16 Feb 2024 12:09:29 +0000 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rax1y-00000002FY7-28Ss for linux-arm-kernel@lists.infradead.org; Fri, 16 Feb 2024 12:09:28 +0000 Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 41GBa1aW022175; Fri, 16 Feb 2024 12:09:18 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : subject : from : to : cc : date : in-reply-to : references : content-type : content-transfer-encoding : mime-version; s=pp1; bh=hb4jEg8Ui7tKVW3/zRPOpB/DiOhLA8awGW7gQUZ+RJU=; b=V1p5bjX1QiTxzcpUZWIfAcaJurOYtliXHuIGW1j6xqG29awoR5CHzZWLYVgvuQdlsiTU 7eay/9TxaM0aQosXadVH/b5307PwHziGePKBmHedi8yymmr/9Q+EBR7AbdDz3Fnx+QSw F5WRtxHO6YWsPU3UAZTxhTb+w73PCP3cVHRPQyPBQEdM8/JtcH3kfXj26po/evojgQvn IjcmV7Lf6JA8PnAvBTuH9UfS8SjtUznUwU8M64uOkhjSqZpJQbO1+7HMHvva4aK9ab9c o11XOSwjvvLFqsj3Oi2BvovvpFpY7GufhitP2yRg/UPnHCNOkx+l9M2x2Uc/ztDEWVT8 pQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3wa5f7tdtx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Feb 2024 12:09:17 +0000 Received: from m0360072.ppops.net (m0360072.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 41GC2bQn022451; Fri, 16 Feb 2024 12:09:16 GMT Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3wa5f7tdtn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Feb 2024 12:09:16 +0000 Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 41GAgVIH009680; Fri, 16 Feb 2024 12:09:16 GMT Received: from smtprelay02.fra02v.mail.ibm.com ([9.218.2.226]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 3w6npmarda-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Feb 2024 12:09:16 +0000 Received: from smtpav01.fra02v.mail.ibm.com (smtpav01.fra02v.mail.ibm.com [10.20.54.100]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 41GC9Ct64129516 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 16 Feb 2024 12:09:14 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2BD5D20040; Fri, 16 Feb 2024 12:09:12 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 49B352004D; Fri, 16 Feb 2024 12:09:11 +0000 (GMT) Received: from [9.171.46.208] (unknown [9.171.46.208]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 16 Feb 2024 12:09:11 +0000 (GMT) Message-ID: Subject: Re: [PATCH rdma-next 1/2] arm64/io: add memcpy_toio_64 From: Niklas Schnelle To: Jason Gunthorpe Cc: Leon Romanovsky , Arnd Bergmann , Catalin Marinas , linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rdma@vger.kernel.org, llvm@lists.linux.dev, Michael Guralnik , Nathan Chancellor , Nick Desaulniers , Will Deacon , Gerd Bayer Date: Fri, 16 Feb 2024 13:09:10 +0100 In-Reply-To: <071e2d2e301769d523dd613e77c6541a61bd496b.camel@linux.ibm.com> References: <20231124160627.GH436702@nvidia.com> <637dcc4d69c380bd939dfdd1b14a5c82c2ddfaa4.camel@linux.ibm.com> <20231127175115.GC1165737@nvidia.com> <002043477bba726f7dfb38573bf33990e38e3a51.camel@linux.ibm.com> <20240116173330.GA980613@nvidia.com> <20240117132613.GH734935@nvidia.com> <20240117175518.GJ734935@nvidia.com> <8e043042f425b4c574d1d3c3ed686253c8cd3517.camel@linux.ibm.com> <20240118140039.GL734935@nvidia.com> <071e2d2e301769d523dd613e77c6541a61bd496b.camel@linux.ibm.com> Autocrypt: addr=schnelle@linux.ibm.com; prefer-encrypt=mutual; keydata=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 Uh77D/PHY0nqBTG/B+QQCR/FYGpTFkO4DRVfapT8njDrsWyVpP9o64VNZP42S+DuRGWfUKCMAXsM/wPzRiDEVfnZMcUR9vwLSHeoV7MiIFC0xIrp5ES9R00t4UFgqtGc36DV71qjR+66Im24OARh5t9QEgorBgEEAZdVAQUBAQdAwhTH11wigg1BVNqmlPAcneh8CthXnZZf70RNLR9fWloDAQgHiQI2BBgBCAAgFiEEnbAAstJ1IDCl9y3cr+Q/FejCYJAFAmHm31ACGwwACgkQr+Q/FejCYJAztg//fshsI9L9eCmLKUdZIc0XuFJcek0B9ydLp9jPIGUjBDLmkqxZ6NT1GWx9Ab3xTVg2Zs6IuP70UhvRqRV8g2XQdkHia5NMnTqfJEZWncjBr9pjfbZJRjvm7T2IVYiVnAqPf/LEoVgztgG8RvtQ/lPRwnE+zPJ3bEBcnl+W5fguRxHo/Mom3XGlQCif3oF3uydWAKRef4b3h8nZmn2EBzj6J7juwek9x7SkxKe8+Vavr5HTwEHOBTMrsUH7DCp27zJ8MU1XRpBAjkn2YEujRx2z2cPeNloFX6z5F7T4f+Ao2xxcXUEXeEBz8XL94DstXGI1IULTC2ui99B4NL0JfiCAWOf3mrosppdjzgM0X6g4pO8gVR1C09+rr/fbp6L8FflQu01kV1TZkAgSAUe58HlbP10I9Ush6nE7Z9Q5DR/T56DXh1o8sW4dBMu6AWan7mFRPwVQqL9zN5m8n87uNb/jiedvhBeb22TihHvbheEWB3WtfaQjdykETR80bm5T+ACcrwBpPvXkOFKovWJVEvvsUXynfFQYoFj5chNtH60zhvg/eHI9ZCweQgwvCqAJxESTZSEMbtxkklSl9OfnoBzPFFia1JwqazmUl0N5WzaLPW1P9KjDSt5YxMu0jdh2MAPaHdxFO/G8d0VS13FjIy/2QAni8Zf2CRlj1q4q5MJ0vXq4MwRh5t9wFgkrBgEEA 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 AF23/zeAYKTtphGMg29j9mNBKDoRQS9I3Zih5SNpJ3YokCNgQYAQgAIBYhBJ2wALLSdSAwpfct3K/kPxXowmCQBQJh5t+CAhsgAAoJEK/kPxXowmCQV4UP/3KpWKD6EUIO8DGnohGUpZkD0qHSWVXMu6RuCukZeAMDaWdVkMW6SSFswUT1xGoGc10hxPFiR1Sv448S1DgIz1sRgZKDcvFFlPhJH8PAJArv2gaaBBhUj3IN8XH58BJ/q9we8n/lJLDCs++0QeQJEoOG0O5IiP8wGHLPSWa9jXiej5SBMbTx+wQmQZc6NQdv7O9gB3j86IRv3Ly2tHuOQ3WEAUQZvy1dzQj+5WHVOU9F99P6OfkzU8QW0izPyB3uVfxJkNB+K78+Klj1L1HONCfBVGz8vly3U4bXtWm0JuIBty7x9a0TPrSGpghs+rPRw8miHgkEB6pWiJzDek6jQLPMyEtUDs7/vgQEPBlDwVHxPvLtqzyjn0v+9T9DEFQo3i2zWfpE9AI7CTf3qJeqHFATtVzNQnA8j2X94R8R3r9oxzSW/z17zuDV2XjmZTUJlOuw8e99FOop2CFUn49OcfA7qm8o2vaatPy4aYahsaptmTuMZ6InwZp/LI1GX7egQyExtte7y/X0HAbME5Wa6UpYgxt689xWFlh+VAOadZ6c7UDDu8KZis+3z6PAXYOJK5naEHpYbLdyBZEvtXWVoYVCA69h1X6289XUAjbm1h7OS6qz9m7+8kjpoakIFUt75M2KKCJ9a6yaOGjiLj5r1vQzNgV16lOPsb1Ywf8p2/ac User-Agent: Evolution 3.50.3 (3.50.3-1.fc39) X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: ioq5ksvxCamC9KyRobFDzrskD0qxBZyA X-Proofpoint-GUID: d3DfCyPmh1R7zq4JOvdcy5AypkMp5kBH X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-16_09,2024-02-16_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 mlxlogscore=999 lowpriorityscore=0 priorityscore=1501 adultscore=0 mlxscore=0 clxscore=1011 phishscore=0 suspectscore=0 spamscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402160097 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240216_040926_999867_FA30D89E X-CRM114-Status: GOOD ( 23.72 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 2024-01-18 at 16:59 +0100, Niklas Schnelle wrote: > On Thu, 2024-01-18 at 10:00 -0400, Jason Gunthorpe wrote: > > On Thu, Jan 18, 2024 at 02:46:40PM +0100, Niklas Schnelle wrote: > > > > > Yes, we need zpci_memcpy_toio(to, from, count * 8) since our count is > > > in bytes like for memcpy_toio(). > > > > https://github.com/jgunthorpe/linux/commits/mlx5_wc/ > > > > Jason > > > > Thanks, the s390 patches: > > > s390: Implement __iowrite32_copy() > s390: Use the correct count for __iowrite64_copy() > s390: Stop using weak symbols for __iowrite64_copy() > > Look good to me. I.e. you may add my. > > Acked-by Niklas Schnelle > > I did test your patches too and by accident confirmed again that these > do need commit 80df7d6af7f6 ("s390/pci: fix max size calculation in > zpci_memcpy_toio()") from the s390 feature branch to get the mlx5 > driver to detect Write-Combining as supported. Note, as far as I know > Alexander Gordeev is targeting that one for v6.8-rc2 since we had quite > a few changes for v6.8-rc1. > > Thanks, > Niklas > Hi Jason, Since I haven't seen a new version of this yet I was just wondering what the current plan is. If this is somewhat stuck would you be willing to send the "s390: Use the correct count for __iowrite64_copy()" patch separately, preferably with "s390/pci:" prefix? Thanks, Niklas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel