Re: [PATCH] cxl/Documentation: Remove 'mixed' from sysfs mode doc

From: Jonathan Cameron
Date: Tue Mar 04 2025 - 01:42:19 EST


On Mon, 24 Feb 2025 12:29:29 -0600
Ira Weiny <ira.weiny@xxxxxxxxx> wrote:

> Commit 188e9529a606 ("cxl: Remove the CXL_DECODER_MIXED mistake")
> removed the mixed mode.
>
> Remove it from the sysfs documentation.
>
> Fixes: 188e9529a606 ("cxl: Remove the CXL_DECODER_MIXED mistake")
> Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Would be nice to put wrap back in text we aren't changing
as creates unnecessary churn / staring at text to see if
it is different...

Either way
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

> ---
> Documentation/ABI/testing/sysfs-bus-cxl | 15 +++++++--------
> 1 file changed, 7 insertions(+), 8 deletions(-)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl
> index 3f5627a1210a16aca7c18d17131a56491048a0c2..3ba551ed10e29f33b9eb873bab9b542c8afb66f0 100644
> --- a/Documentation/ABI/testing/sysfs-bus-cxl
> +++ b/Documentation/ABI/testing/sysfs-bus-cxl
> @@ -321,14 +321,13 @@ KernelVersion: v6.0
> Contact: linux-cxl@xxxxxxxxxxxxxxx
> Description:
> (RW) When a CXL decoder is of devtype "cxl_decoder_endpoint" it
> - translates from a host physical address range, to a device local
> - address range. Device-local address ranges are further split
> - into a 'ram' (volatile memory) range and 'pmem' (persistent
> - memory) range. The 'mode' attribute emits one of 'ram', 'pmem',
> - 'mixed', or 'none'. The 'mixed' indication is for error cases
> - when a decoder straddles the volatile/persistent partition
> - boundary, and 'none' indicates the decoder is not actively
> - decoding, or no DPA allocation policy has been set.
> + translates from a host physical address range, to a device

Ideally avoid the extra diff from wrap changes in text that isn't changing.


> + local address range. Device-local address ranges are further
> + split into a 'ram' (volatile memory) range and 'pmem'
> + (persistent memory) range. The 'mode' attribute emits one of

I think actual changes only happen here.

> + 'ram', 'pmem', or 'none'. The 'none' indicates the decoder is
> + not actively decoding, or no DPA allocation policy has been
> + set.
>
> 'mode' can be written, when the decoder is in the 'disabled'
> state, with either 'ram' or 'pmem' to set the boundaries for the
>
> ---
> base-commit: 8760c1c0bf7eee63a56b5f9edb42d93737a6a378
> change-id: 20250224-remove-mixed-sysfs-e3baa7616bcc
>
> Best regards,