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Re: [PATCH v2 10/12] hw/block/nvme: move cmb logic to v1.4
From: |
Klaus Jensen |
Subject: |
Re: [PATCH v2 10/12] hw/block/nvme: move cmb logic to v1.4 |
Date: |
Mon, 18 Jan 2021 14:04:09 +0100 |
On Jan 18 21:58, Minwoo Im wrote:
> Hello,
>
> On 21-01-18 10:47:03, Klaus Jensen wrote:
> > From: Padmakar Kalghatgi <p.kalghatgi@samsung.com>
> >
> > Implement v1.4 logic for configuring the Controller Memory Buffer. This
> > is not backward compatible with v1.3, so drivers that only support v1.3
> > will not be able to use the CMB anymore.
> >
> > Signed-off-by: Padmakar Kalghatgi <p.kalghatgi@samsung.com>
> > Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
>
> Yes, CMB in v1.4 is not backward-compatible, but is it okay to move onto
> the CMB v1.4 from v1.3 without supporting the v1.3 usage on this device
> model?
Next patch moves to v1.4. I wanted to split it because the "bump" patch
also adds a couple of other v1.4 requires fields. But I understand that
this is slightly wrong.
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- Re: [PATCH v2 05/12] hw/block/nvme: allow cmb and pmr to coexist, (continued)
- [PATCH v2 06/12] hw/block/nvme: rename PMR/CMB shift/mask fields, Klaus Jensen, 2021/01/18
- [PATCH v2 07/12] hw/block/nvme: remove redundant zeroing of PMR registers, Klaus Jensen, 2021/01/18
- [PATCH v2 08/12] hw/block/nvme: disable PMR at boot up, Klaus Jensen, 2021/01/18
- [PATCH v2 09/12] hw/block/nvme: add PMR RDS/WDS support, Klaus Jensen, 2021/01/18
- [PATCH v2 10/12] hw/block/nvme: move cmb logic to v1.4, Klaus Jensen, 2021/01/18
- Re: [PATCH v2 10/12] hw/block/nvme: move cmb logic to v1.4, Minwoo Im, 2021/01/18
- Re: [PATCH v2 10/12] hw/block/nvme: move cmb logic to v1.4,
Klaus Jensen <=
- Re: [PATCH v2 10/12] hw/block/nvme: move cmb logic to v1.4, Minwoo Im, 2021/01/18
- Re: [PATCH v2 10/12] hw/block/nvme: move cmb logic to v1.4, Klaus Jensen, 2021/01/18
- Re: [PATCH v2 10/12] hw/block/nvme: move cmb logic to v1.4, Minwoo Im, 2021/01/18
- Re: [PATCH v2 10/12] hw/block/nvme: move cmb logic to v1.4, Klaus Jensen, 2021/01/18
- Re: [PATCH v2 10/12] hw/block/nvme: move cmb logic to v1.4, Klaus Jensen, 2021/01/18
- Re: [PATCH v2 10/12] hw/block/nvme: move cmb logic to v1.4, Minwoo Im, 2021/01/18
[PATCH v2 11/12] hw/block/nvme: bump to v1.4, Klaus Jensen, 2021/01/18
[PATCH v2 12/12] hw/block/nvme: lift cmb restrictions, Klaus Jensen, 2021/01/18