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From: "Zhijian Li (Fujitsu)" <lizhijian@fujitsu.com>
To: Zhu Yanjun <yanjun.zhu@linux.dev>,
	"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"zyjzyj2000@gmail.com" <zyjzyj2000@gmail.com>,
	"jgg@ziepe.ca" <jgg@ziepe.ca>,
	"leon@kernel.org" <leon@kernel.org>,
	Yi Zhang <yi.zhang@redhat.com>
Subject: Re: [PATCH RFC] rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE
Date: Tue, 30 Dec 2025 04:47:00 +0000	[thread overview]
Message-ID: <68c333fb-7026-4412-9bcd-be877b95b99f@fujitsu.com> (raw)
In-Reply-To: <5727c511-7fd2-4119-b7d9-3b33b578e767@linux.dev>

Hi Yanjun,


On 30/12/2025 12:02, Zhu Yanjun wrote:
>>>
>>
>> Hi, Yi
>>
>> The mentioned testcase, the link is:
>> https://lore.kernel.org/all/CAHj4cs9XRqE25jyVw9rj9YugffLn5+f=1znaBEnu1usLOciD+g@mail.gmail.com/T/
>>
>> Can you help to make tests to verify whether this problem is fixed or not?
>>
> 
> On x86_64 hosts, after this commit is applied, all the testcases in rdma-core can pass. But in Fedora Core 42 with ARM64 architecture,
> 
> there are some errors with rdma-core.


Many thanks for your testing.

This commit should only affect IB_MR_TYPE_MEM_REG MRs, which are exposed to the
Upper Layer Protocol (ULP) in the current kernel.

Since rdma-core typically utilizes IB_MR_TYPE_USER(mr.page_size always same with PAGE_SIZE), it should not be impacted.

Thanks
Zhijian

> 
> I did not make tests with blktest.

  reply	other threads:[~2025-12-30  4:47 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-26  9:52 Li Zhijian
2025-12-27  5:24 ` Zhu Yanjun
2025-12-30  4:02   ` Zhu Yanjun
2025-12-30  4:47     ` Zhijian Li (Fujitsu) [this message]
2025-12-30  4:57       ` Zhu Yanjun
2026-01-05  6:55 ` Zhijian Li (Fujitsu)
2026-01-05  7:39   ` Zhijian Li (Fujitsu)
2026-01-06  1:07   ` Jason Gunthorpe
2026-01-07  3:02     ` Zhijian Li (Fujitsu)
2026-01-06  1:01 ` Jason Gunthorpe

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