Re: [Xen-devel] [PATCH v2 05/13] optee: add fast calls handling

2018-09-05 Thread Julien Grall
Hi Volodymyr, On 09/03/2018 05:54 PM, Volodymyr Babchuk wrote: Some fast SMCCC calls to OP-TEE should be handled in a special way. Capabilities exchange should be filtered out, so only caps known to mediator are used. Also mediator disables static SHM memory capability, because it can't share OP

[Xen-devel] [PATCH v2 05/13] optee: add fast calls handling

2018-09-03 Thread Volodymyr Babchuk
Some fast SMCCC calls to OP-TEE should be handled in a special way. Capabilities exchange should be filtered out, so only caps known to mediator are used. Also mediator disables static SHM memory capability, because it can't share OP-TEE memory with a domain. Only domain can share memory with OP-TE