Re: [PATCH v9 3/7] firmware: arm_rmm: Move RSI support out of arch/arm64
Catalin Marinas <[email protected]>
| Newsgroups | dev.linux.lists.linux-coco,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Wed, Aug 05, 2026 at 12:02:51PM +0530, Aneesh Kumar K.V (Arm) wrote: > The RSI SMCCC function IDs describe a firmware ABI and are not arm64 > architecture specific definitions. Follow-up changes need to use them from > non-arch code, including drivers/firmware/smccc and the Arm CCA guest > driver. > > Move the complete Realm Service Interface (RSI) implementation from > arch/arm64 to drivers/firmware/arm_rmm. The RSI SMCCC definitions and > command helpers are also moved to include/linux so they can be shared by > architecture code and firmware or driver code. This also keeps the > firmware interface outside architecture code, as requested [1]. > > [1] https://lore.kernel.org/all/agsNO9cc7H-b0H8L@willie-the-truck > > Signed-off-by: Aneesh Kumar K.V (Arm) <[email protected]> I haven't checked but Sashiko has some points that it may break the build on other architectures with COMPILE_TEST. https://sashiko.dev/#/patchset/[email protected] (for some reason I get error 502 above; hopefully it's temporary) -- Catalin