[PATCH v8 09/22] RISC-V: Add Ssccfg/Smcdeleg ISA extension definition and parsing

Paul Walmsley pjw at kernel.org
Tue Aug 4 17:46:29 PDT 2026


On Wed, 1 Jul 2026, Atish Patra wrote:

> From: Atish Patra <atishp at rivosinc.com>
> 
> Smcdeleg extension allows the M-mode to delegate selected counters
> to S-mode so that it can access those counters and correpsonding
> hpmevent CSRs without M-mode.
> 
> Ssccfg (‘Ss’ for Privileged architecture and Supervisor-level
> extension, ‘ccfg’ for Counter Configuration) provides access to
> delegated counters and new supervisor-level state.
> 
> This patch just enables these definitions and enable parsing.
> 
> Signed-off-by: Atish Patra <atishp at rivosinc.com>

Thanks, queued for v7.3.


- Paul


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