[PATCH v5 02/10] arm_mpam: propagate MSC access errors for hw_probe functions
Ben Horgan
ben.horgan at arm.com
Thu Jul 30 04:21:47 PDT 2026
Hi Andre,
On 7/29/26 14:41, Andre Przywara wrote:
> Allow the functions probing for MSC hardware and features to return an
> error, and propagate read and write errors from the lower level up.
> This uses some "scoped cleanup" functions like scoped_guard() and
> ACQUIRE() to avoid the complexity of error handling when a lock has been
> taken. Since the mon_sel_lock is a bit special (even more so in an
> upcoming patch), we define a new GUARD type for it.
>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> Reviewed-by: Jonathan Cameron <jonathan.cameron at oss.qualcomm.com>
Reviewed-by: Ben Horgan <ben.horgan at arm.com>
Thanks,
Ben
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