[PATCH 0/3] lib: sbi: fix PMU SSE event handling

[Atish Patra]

On Fri, Dec 6, 2024 at 1:00 PM Clément Léger <cleger at rivosinc.com> wrote:
>
> While reworking the Linux SSE support, it appears that the PMU event
> should not be available if the SSCOFPMF extension is not available since
> there would be no IRQ. The specification isn't really clear on that point
> so this is more like a RFC to check that. Ideally, the sse register call

Can you send a patch for SBI spec ? I think we can call it a local PMU
overflow event
rather than a PMU.

We can add a note about the Sscofpmf dependency as well.

> should allow to refuse registering an event if the dependencies are not
> satisfied but does not allow this yet.
>
> Clément Léger (3):
>   lib: sbi: sse: Return a value from the register callback
>   lib: sbi: sse: Disable injection if callbacks are set
>   lib: sbi: pmu: Set a SSE register_cb() for event availability
>
>  include/sbi/sbi_sse.h |  2 +-
>  lib/sbi/sbi_pmu.c     | 11 +++++++++++
>  lib/sbi/sbi_sse.c     | 19 +++++++++++++++++--
>  3 files changed, 29 insertions(+), 3 deletions(-)
>
> --
> 2.45.2
>
>
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-- 
Regards,
Atish