Messages in this thread | | | Subject | Re: [RFC PATCH 5/9] cxl/mem: Find device capabilities | From | Jon Masters <> | Date | Thu, 26 Nov 2020 01:05:56 -0500 |
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On 11/11/20 12:43 AM, Ben Widawsky wrote:
> + case CXL_CAPABILITIES_CAP_ID_SECONDARY_MAILBOX: > + dev_dbg(&cxlm->pdev->dev, > + "found UNSUPPORTED Secondary Mailbox capability\n");
Per spec, the secondary mailbox is intended for use by platform firmware, so Linux should never be using it anyway. Maybe that message is slightly misleading?
Jon.
P.S. Related - I've severe doubts about the mailbox approach being proposed by CXL and have begun to push back through the spec org.
-- Computer Architect
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