On Sat, 31 Jul 2021, 10:17 pm William ML Leslie, < [email protected]> wrote:
> > > On Sat, 31 Jul 2021, 8:54 pm Andrew Warkentin, <[email protected]> > wrote: > >> >> Even though the process server will run in user mode as far as the >> hardware and microkernel are concerned, functionally it will be akin >> to something above user processes but below the kernel. It will have >> full access to all kernel objects in the system including all user >> pages, CNodes, and endpoints (it won't actually map user pages except >> if a process opens the associated file for read/write I/O as opposed >> to mapping the file), > > > Eeep. You want untyped access to cappages? > Or maybe i read that wrong. It's reasonable to hold those sort of caps close rather than letting the application tinker with its own mapping, since in the unix domain it's a pain in the neck to maintain some invariants on fork or exec. Add CoW and demand paging to that and it's a real party. > _______________________________________________ Devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
