Re: [PATCH v4 05/10] arm_mpam: propagate MSC access errors for __ris_msmon_read()

Jonathan Cameron <[email protected]> Mon, 27 Jul 2026 23:44:10 +0100
Newsgroups gmane.linux.acpi.devel,gmane.linux.ports.arm.kernel,gmane.linux.kernel
Message-ID <20260727234410.1504cfff@jic23-huawei>
On Thu, 23 Jul 2026 17:54:49 +0200
Andre Przywara <[email protected]> wrote:

> Allow the function for RIS accesses to return an error, and propagate
> read and write errors from the lower level up.
> This function is a bit special, since it can be called via an SMP
> helper, so the prototype must stay as void. So propagate any errors
> using the "err" field in the struct passed in as the sole argument to
> that function.
> 
> Signed-off-by: Andre Przywara <[email protected]>
Reviewed-by: Jonathan Cameron <[email protected]>