Hello Andrea, On Mon, Jun 15, 2015 at 1:22 PM, Andrea Arcangeli <aarcange@xxxxxxxxxx> wrote: > This is an incremental update to the userfaultfd code in -mm. Sorry I'm late to this party. I'm curious how a ptrace monitor might use a userfaultfd to handle faults in all of its tracees. Is this possible without having each (newly forked) tracee "cooperate" by creating a userfaultfd and passing that to the tracer? Have you considered using one userfaultfd for an entire tree of processes (signaled through a flag)? Would not a process id included in the include/uapi/linux/userfaultfd.h:struct uffd_msg be sufficient to disambiguate faults? -- Patrick Donnelly -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
