From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
To: Yuquan Wang <wangyuquan1236@phytium.com.cn>
Cc: <dave@stgolabs.net>, <dave.jiang@intel.com>,
<alison.schofield@intel.com>, <vishal.l.verma@intel.com>,
<ira.weiny@intel.com>, <dan.j.williams@intel.com>,
<linux-cxl@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<chenbaozi@phytium.com.cn>
Subject: Re: [PATCH v5 1/1] cxl/pmem: debug invalid serial number data
Date: Thu, 20 Feb 2025 17:30:41 +0000 [thread overview]
Message-ID: <20250220173041.00005a01@huawei.com> (raw)
In-Reply-To: <20250219040029.515451-2-wangyuquan1236@phytium.com.cn>
On Wed, 19 Feb 2025 12:00:29 +0800
Yuquan Wang <wangyuquan1236@phytium.com.cn> wrote:
> In a nvdimm interleave-set each device with an invalid or zero
> serial number may cause pmem region initialization to fail, but in
> cxl case such device could still set cookies of nd_interleave_set
> and create a nvdimm pmem region.
>
> This adds the validation of serial number in cxl pmem region creation.
> The event of no serial number would cause to fail to set the cookie
> and pmem region.
>
> For cxl-test to work properly, always +1 on mock device's serial
> number.
>
> Signed-off-by: Yuquan Wang <wangyuquan1236@phytium.com.cn>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
next prev parent reply other threads:[~2025-02-20 17:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-19 4:00 [PATCH v5 0/1] cxl/pmem: debug invalid serial number data Yuquan Wang
2025-02-19 4:00 ` [PATCH v5 1/1] " Yuquan Wang
2025-02-19 19:29 ` Alison Schofield
2025-02-19 21:20 ` Ira Weiny
2025-02-20 17:30 ` Jonathan Cameron [this message]
2025-02-20 18:57 ` Dave Jiang
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