Thread (5 messages) 5 messages, 2 authors, 2026-06-02

Re: [PATCH v1 1/2] arm64: smccc: add cache clean/invalidate IDs and return codes

From: Jonathan Cameron <jic23@kernel.org>
Date: 2026-06-02 14:49:37
Also in: linux-tegra, lkml

On Tue,  2 Jun 2026 08:21:44 +0000
Srirangan Madhavan [off-list ref] wrote:
Define SMCCC Arch function IDs for CLEAN_INV_MEMREGION and its ATTRIBUTES
call, and add RATE_LIMITED/BUSY return codes from DEN0028 for callers that
need transient error handling.

Signed-off-by: Srirangan Madhavan <redacted>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>

I assume beta spec is enough to merge this?  Probably just need
someone from Arm to confirm.  Last time we had this feature and it got
ripped out it only made it to an alpha spec (which is not enough!)

Jonathan

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