From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Dan Williams <dan.j.williams@intel.com>,
Arnd Bergmann <arnd@arndb.de>, Dave Chinner <david@fromorbit.com>
Cc: linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-mm@kvack.org, linux-arch@vger.kernel.org,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Matthew Wilcox <willy@infradead.org>,
Russell King <linux@armlinux.org.uk>,
nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org,
linux-fsdevel@vger.kernel.org, dm-devel@lists.linux.dev
Subject: Re: [RFC PATCH v3 2/4] dax: Check for data cache aliasing at runtime
Date: Fri, 2 Feb 2024 15:18:36 -0500 [thread overview]
Message-ID: <f3ec50a5-ff5e-41ae-ab2f-7319a18381e2@efficios.com> (raw)
In-Reply-To: <65bd4d18cab98_7193229421@dwillia2-mobl3.amr.corp.intel.com.notmuch>
On 2024-02-02 15:14, Dan Williams wrote:
> Mathieu Desnoyers wrote:
> [..]
>>> Thanks for that. All of those need to be done before the fs goes live
>>> later in virtio_device_ready(), but before that point nothing should be
>>> calling into virtio_fs_dax_ops, so as far as I can see it is safe to
>>> change the order.
>>
>> Sounds good, I'll do that.
>>
>> I will soon be ready to send out a RFC v4, which is still only
>> compiled-tested. Do you happen to have some kind of test suite
>> you can use to automate some of the runtime testing ?
>
> There is a test suite for the pmem, dm, and dax changes
> (https://github.com/pmem/ndctl?tab=readme-ov-file#unit-tests), but not
> automated unfortunately. The NVDIMM maintainer team will run that before
> pushing patches out to the fixes branch if you just want to lean on
> that. For the rest I think we will need to depend on tested-by's from
> s390 + virtio_fs folks, and / or sufficient soak time in linux-next.
I suspect this will be necessary. There are just so many combinations
of architectures, drivers and filesystems involved here that I don't
think it is realistic to try to do all this testing manually on my own.
I prefer to voice this up front, so there are no misplaced expectations
about testing.
Thanks,
Mathieu
--
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com
next prev parent reply other threads:[~2024-02-02 20:18 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-31 16:25 [RFC PATCH v3 0/4] Introduce cpu_dcache_is_aliasing() to fix DAX regression Mathieu Desnoyers
2024-01-31 16:25 ` [RFC PATCH v3 1/4] dm: Treat alloc_dax failure as non-fatal Mathieu Desnoyers
2024-01-31 16:25 ` [RFC PATCH v3 2/4] dax: Check for data cache aliasing at runtime Mathieu Desnoyers
2024-01-31 21:02 ` Dan Williams
2024-01-31 21:39 ` Mathieu Desnoyers
2024-01-31 22:18 ` Dan Williams
2024-02-01 15:44 ` Mathieu Desnoyers
2024-02-02 14:40 ` Mathieu Desnoyers
2024-02-02 16:32 ` Mathieu Desnoyers
2024-02-02 17:37 ` Dan Williams
2024-02-02 19:29 ` Mathieu Desnoyers
2024-02-02 19:41 ` Dan Williams
2024-02-02 20:02 ` Mathieu Desnoyers
2024-02-02 20:14 ` Dan Williams
2024-02-02 20:18 ` Mathieu Desnoyers [this message]
2024-01-31 16:25 ` [RFC PATCH v3 3/4] Introduce cpu_dcache_is_aliasing() across all architectures Mathieu Desnoyers
2024-01-31 17:17 ` Christoph Hellwig
2024-01-31 17:59 ` Mathieu Desnoyers
2024-01-31 20:42 ` Dan Williams
2024-01-31 16:25 ` [RFC PATCH v3 4/4] dax: Fix incorrect list of data cache aliasing architectures Mathieu Desnoyers
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