Hi Jiri, On 12/12/2014 07:20 PM, Jiří Zárevúcky wrote: > I am experimenting with some stuff and I would like to create (during > task and thread creation) pieces of memory that are mapped to the > address space of the task in question, but also accessible from syscalls > (made by other tasks) without context switches.
Such memory should always be accessible via either the identity mapped or km-mapped address. So you can allocate physical memory, map it or make sure it is mapped, and store a pointer to it into task_t so that the syscalls can find it there. Jakub _______________________________________________ HelenOS-devel mailing list [email protected] http://lists.modry.cz/listinfo/helenos-devel
