Re: [PATCH v3 0/8] Add Array BIST test support to IFS

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Hi Jithu,

On 3/1/23 02:59, Jithu Joseph wrote:
> Changes in v3
>  - GregKH 
>     -  Separating read-only fields from rw fields in
>        struct ifs_device (patch 1/8)
>     -  Remove the subdirectory intel_ifs/<n> for devicenode (patch 2/8)
>     -  Replaced an enum with #define (patch 4/8)
>  - Dave Hansen
>     - Remove tracing patch
>     - ifs_array_test_core() (patch 6/8)
>         - fix an initialization bug
>         - other suggested changes
>     - Use basic types in ifs_array for first two fields. (kept
>       the union to avoid type castings)

Thank you for the new version. Given all the feedback on
the previous 2 versions I'm going to wait a bit to see if more
feedback comes in before reviewing this myself.

Regards,

Hans




> v2 submission:
> Link: https://lore.kernel.org/lkml/20230214234426.344960-1-jithu.joseph@xxxxxxxxx/
> 
> Changes in v2
>  - remove duplicate initializations from ifs_array_test_core()
>    (Dave Hansen, patch 4/7)
>  - remove bit parsing from tracing fast path to tracing 
>    output (Steven Rostedt, patch 5/7)
>  - move "ATTRIBUTE_GROUPS(plat_ifs_array)" to core.c and remove
>    exporting function ifs_get_array_groups() (Greg KH, patch 3/7)
>  - Generalized doc and ABI doc (Greg KH, patches 6/7 and 7/7)
> 
> v1 submission:
> Link: https://lore.kernel.org/lkml/20230131234302.3997223-1-jithu.joseph@xxxxxxxxx/
> 
> Array BIST is a new type of core test introduced under the Intel Infield
> Scan (IFS) suite of tests.
> 
> Emerald Rapids (EMR) is the first CPU to support Array BIST.
> Array BIST performs tests on some portions of the core logic such as
> caches and register files. These are different portions of the silicon
> compared to the parts tested by Scan at Field (SAF).
> 
> Unlike SAF, Array BIST doesn't require any test content to be loaded.
> 
> Jithu Joseph (8):
>   platform/x86/intel/ifs: Reorganize driver data
>   platform/x86/intel/ifs: IFS cleanup
>   x86/include/asm/msr-index.h: Add IFS Array test bits
>   platform/x86/intel/ifs: Introduce Array Scan test to IFS
>   platform/x86/intel/ifs: Sysfs interface for Array BIST
>   platform/x86/intel/ifs: Implement Array BIST test
>   platform/x86/intel/ifs: Update IFS doc
>   Documentation/ABI: Update IFS ABI doc
> 
>  arch/x86/include/asm/msr-index.h              |  2 +
>  drivers/platform/x86/intel/ifs/ifs.h          | 62 +++++++++----
>  drivers/platform/x86/intel/ifs/core.c         | 92 ++++++++++++++-----
>  drivers/platform/x86/intel/ifs/load.c         |  8 +-
>  drivers/platform/x86/intel/ifs/runtest.c      | 91 +++++++++++++++++-
>  drivers/platform/x86/intel/ifs/sysfs.c        | 17 ++--
>  .../ABI/testing/sysfs-platform-intel-ifs      |  8 +-
>  7 files changed, 221 insertions(+), 59 deletions(-)
> 




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