On 09/15/16 21:24, Tamas K Lengyel wrote:
> The ARM SMC instructions are already configured to trap to Xen by default. In
> this patch we allow a user-space process in a privileged domain to receive
> notification of when such event happens through the vm_event subsystem by
> introducing the PRIVILEGED_CALL type.
> The intended use-case for this feature is for a monitor application to be able
> insert tap-points into the domU kernel-code. For this task only unconditional
> SMC instruction should be used.
> Signed-off-by: Tamas K Lengyel <ta...@tklengyel.com>
> Acked-by: Wei Liu <wei.l...@citrix.com>
> Cc: Ian Jackson <ian.jack...@eu.citrix.com>
> Cc: Razvan Cojocaru <rcojoc...@bitdefender.com>
> Cc: Stefano Stabellini <sstabell...@kernel.org>
> Cc: Julien Grall <julien.gr...@arm.com>
Acked-by: Razvan Cojocaru <rcojoc...@bitdefender.com>
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