On 17 Oct 2020, at 6:24, Jason A. Donenfeld wrote:
There are a few design goals of notifying userspace: it should be
fast, because people who are using userspace RNGs are usually doing so
in the first place to completely avoid syscall overhead for whatever
high performance application they
On 16 Oct 2020, at 22:01, Jann Horn wrote:
On Sat, Oct 17, 2020 at 6:34 AM Colm MacCarthaigh
wrote:
For user-space, even a single bit would do. We added
MADVISE_WIPEONFORK
so that userspace libraries can detect fork()/clone() robustly, for
the
same reasons. It just wipes a page
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