From: Dan Williams <dan.j.williams@intel.com>
To: Ben Widawsky <ben.widawsky@intel.com>
Cc: linux-cxl@vger.kernel.org, Ira Weiny <ira.weiny@intel.com>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: Re: [PATCH v2] cxl/hdm: Fix decoder count calculation
Date: Fri, 11 Jun 2021 12:08:15 -0700 [thread overview]
Message-ID: <CAPcyv4goxp8zh5FXu0qPFVVY-6HW5tsbMjwNcKW3fXwV7vOing@mail.gmail.com> (raw)
In-Reply-To: <20210611190111.121295-1-ben.widawsky@intel.com>
On Fri, Jun 11, 2021 at 12:01 PM Ben Widawsky <ben.widawsky@intel.com> wrote:
>
> The decoder count in the HDM decoder capability structure is an encoded
> field. As defined in the spec:
>
> Decoder Count: Reports the number of memory address decoders implemented
> by the component.
> 0 – 1 Decoder
> 1 – 2 Decoders
> 2 – 4 Decoders
> 3 – 6 Decoders
> 4 – 8 Decoders
> 5 – 10 Decoders
> All other values are reserved
>
> Nothing is actually fixed by this as nothing actually used this mapping
> yet.
I'll still add the Fixes tag because the original commit is broken
even if the impact of fixing this bug is moot in the near term.
prev parent reply other threads:[~2021-06-11 19:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-10 21:53 [PATCH] cxl/hdm: Fix decoder count calculation Ben Widawsky
2021-06-10 22:00 ` Dan Williams
2021-06-11 10:37 ` Jonathan Cameron
2021-06-11 19:01 ` [PATCH v2] " Ben Widawsky
2021-06-11 19:08 ` Dan Williams [this message]
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