APPLIED: [SRU][J/N:linux-bluefield][PATCH v1 0/2] Updates to mlxbf-pmc

[Kuba Pawlak]

On 9.07.2025 11:19, Shravan Kumar Ramani wrote:
> This submission addresses the following 2 issues:
> 1. Fix duplicate event ID in event_list
> BugLink: https://bugs.launchpad.net/bugs/2115400
>
> SRU Justification:
>
> [Impact]
> Same ID (103) was assigned to both GDC_BANK0_G_RSE_PIPE_CACHE_DATA0 and
> GDC_BANK0_G_RSE_PIPE_CACHE_DATA1. This could lead to incorrect event mapping.
>
> [Fix]
> The fix is to remove the duplicate ID and assign the correct ID instead to
> GDC_BANK0_G_RSE_PIPE_CACHE_DATA1.
>
> [Test Case]
> Without the fix, programming event ID of 104 would return an error and there
> would be no way to assign the counter to track GDC_BANK0_G_RSE_PIPE_CACHE_DATA1.
> With the fix, event ID 104 should be programmable.
>
> [Regression Potential]
> Minimal
>
> 2. Validate user input for event/enable settings
> BugLink: https://bugs.launchpad.net/bugs/2113758
>
> SRU Justification:
>
> [Impact]
> The enable and event sysfs files are used to program and enable the performance
> counters. However, they also seem to take invalid input, which should be handled
> by the driver with an error.
>
> [Fix]
> Check "enable" input to allow only 0 or 1, and not other values. For "event"
> info, check if the user input is a valid event number for the corresponding
> block and if not, print an error message.
>
> [Test Case]
> Try invalid values to the "enable" sysfs in any block and it should not be
> accepted by the driver.
> For event sysfs, enter any event number that is not listed in the "event_list"
> and validate that the driver does not accept this input.
>
> [Regression Potential]
> Minimal
>
> Alok Tiwari (1):
>    platform/mellanox: mlxbf-pmc: Fix duplicate event ID for CACHE_DATA1
>
> Shravan Kumar Ramani (1):
>    UBUNTU: SAUCE: mlxbf-pmc: Validate user input for event/enable
>
>   drivers/platform/mellanox/mlxbf-pmc.c | 26 +++++++++++++++++---------
>   1 file changed, 17 insertions(+), 9 deletions(-)
>

Applied-by: Kuba Pawlak <kuba.pawlak at canonical.com>

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