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| From: | Andrzej Jakowski |
| Subject: | Re: [PATCH v1] block/nvme: introduce PMR support from NVMe 1.4 spec |
| Date: | Fri, 21 Feb 2020 08:36:50 -0700 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 |
On 2/21/20 6:45 AM, Stefan Hajnoczi wrote: > Why is msync(2) done on memory loads instead of stores? This is my interpretation of NVMe spec wording with regards to PMRWBM field which says: "The completion of a memory read from any Persistent Memory Region address ensures that all prior writes to the Persistent Memory Region have completed and are persistent."
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