From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="PNc26pYu" Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7910BD72; Fri, 24 Nov 2023 06:54:51 -0800 (PST) Received: from pps.filterd (m0353725.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AOEfkPu032140; Fri, 24 Nov 2023 14:54:35 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=wrtplODzTkg0s37TrASK47GrOZoTUBB2kH1oQhdC6Xs=; b=PNc26pYua2XmImV+7dCHw3o2aha6eEjyUNmlOm0+fExSanewNBD8a/SYLQuwL3py8Krm K2ZBhIXtq3LUAW1rxY8TUeXCOoafQ/QfPKIqkIlvDSNpNlp+7tKMCaT436sOewYVHVhZ hwa+m/BiMLWDTNdCqTan2caAY1APTZocSo72UaPkV+t17UZXJHup9x8Ewe7abfF2kweJ pM1ShXOMjF3pGDNIzc54Mkdpc58uXoxmgXnzmOuPahyNSImKxGANXTE59l3T+dJMlNqG ZPLK77EJJSyZeVlnLp9JRF2TRkLwOgbp9UuYakwTac2h92uHEtr96NLc9x9cmWvKHMlD Ug== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3ujwfkgt9v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Nov 2023 14:54:34 +0000 Received: from m0353725.ppops.net (m0353725.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3AOEgVTI003397; Fri, 24 Nov 2023 14:54:33 GMT Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3ujwfkgsvh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Nov 2023 14:54:33 +0000 Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3AOCIjaH015308; Fri, 24 Nov 2023 14:53:42 GMT Received: from smtprelay04.fra02v.mail.ibm.com ([9.218.2.228]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3uf8006f9y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Nov 2023 14:53:42 +0000 Received: from smtpav06.fra02v.mail.ibm.com (smtpav06.fra02v.mail.ibm.com [10.20.54.105]) by smtprelay04.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3AOErepZ46989594 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 24 Nov 2023 14:53:40 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 836AE20049; Fri, 24 Nov 2023 14:53:40 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3B37520040; Fri, 24 Nov 2023 14:53:40 +0000 (GMT) Received: from [9.152.212.236] (unknown [9.152.212.236]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 24 Nov 2023 14:53:40 +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 Date: Fri, 24 Nov 2023 15:53:40 +0100 In-Reply-To: <14103e31e0c47c0594e7479126ce7fe34f2de467.camel@linux.ibm.com> References: <20231124142049.GF436702@nvidia.com> <14103e31e0c47c0594e7479126ce7fe34f2de467.camel@linux.ibm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.48.4 (3.48.4-1.fc38) Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: dyiVLWTqTfZvw8fzzqfdJbF63FRN4yFS X-Proofpoint-GUID: 3NcOEXeKGZljidjsCBPE8_11alwYUyHU X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-24_01,2023-11-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 spamscore=0 mlxlogscore=819 phishscore=0 mlxscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 bulkscore=0 impostorscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311240116 On Fri, 2023-11-24 at 15:48 +0100, Niklas Schnelle wrote: > On Fri, 2023-11-24 at 10:20 -0400, Jason Gunthorpe wrote: > > On Fri, Nov 24, 2023 at 03:10:29PM +0100, Niklas Schnelle wrote: > > =20 ---8<--- >=20 > Also seeing the second patch of course that would no longer really test > for write combining for us which we can also do but I think that's okay > and you're probably going to use memcpy_toio_64() in more places and > there we really want the PCI store block. Disregard this part I didn't properly align commit message and code. I thought you replaced the check with memcpy_toio_64(). Thanks, Niklas