Messages in this thread | | | Date | Tue, 26 Apr 2022 16:32:58 -0400 | From | Peter Xu <> | Subject | Re: [PATCH v2 2/6] userfaultfd: add /dev/userfaultfd for fine grained access control |
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Axel,
On Fri, Apr 22, 2022 at 02:29:41PM -0700, Axel Rasmussen wrote: > @@ -65,6 +66,8 @@ struct userfaultfd_ctx { > unsigned int flags; > /* features requested from the userspace */ > unsigned int features; > + /* whether or not to handle kernel faults */ > + bool handle_kernel_faults;
Could you help explain why we need this bool? I failed to figure out myself on the difference against "!(ctx->flags & UFFD_USER_MODE_ONLY)".
Thanks,
-- Peter Xu
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