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Re: [PATCH v5 24/26] nvme: change controller pci id
From: |
Keith Busch |
Subject: |
Re: [PATCH v5 24/26] nvme: change controller pci id |
Date: |
Wed, 5 Feb 2020 01:35:47 +0900 |
User-agent: |
Mutt/1.12.1 (2019-06-15) |
On Tue, Feb 04, 2020 at 10:52:06AM +0100, Klaus Jensen wrote:
> There are two reasons for changing this:
>
> 1. The nvme device currently uses an internal Intel device id.
>
> 2. Since commits "nvme: fix write zeroes offset and count" and "nvme:
> support multiple namespaces" the controller device no longer has
> the quirks that the Linux kernel think it has.
>
> As the quirks are applied based on pci vendor and device id, change
> them to get rid of the quirks.
>
> To keep backward compatibility, add a new 'x-use-intel-id' parameter to
> the nvme device to force use of the Intel vendor and device id. This is
> off by default but add a compat property to set this for machines 4.2
> and older.
>
> Signed-off-by: Klaus Jensen <address@hidden>
Yay, thank you for following through on getting this identifier assigned.
Reviewed-by: Keith Busch <address@hidden>
- Re: [PATCH v5 16/26] nvme: refactor prp mapping, (continued)
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Re: [PATCH v5 24/26] nvme: change controller pci id, Maxim Levitsky, 2020/02/12
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Re: [PATCH v5 22/26] nvme: support multiple namespaces, Maxim Levitsky, 2020/02/12
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