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authorKees Cook <keescook@chromium.org>2019-11-21 12:59:28 -0800
committerJonathan Corbet <corbet@lwn.net>2019-11-22 10:35:14 -0700
commitdffd011480d727a819c537edf3b90ef063731725 (patch)
tree965ea41e24cbbeb978dc436d8cb28f70871d8f33 /Documentation/sphinx/parallel-wrapper.sh
parent4920323cffc0fe10ac107ab3e94d1bd218a678d9 (diff)
docs, parallelism: Do not leak blocking mode to other readers
Setting non-blocking via a local copy of the jobserver file descriptor is safer than just assuming other reader processes with the same fd open are prepared for it to be non-blocking. Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Link: https://lore.kernel.org/lkml/44c01043-ab24-b4de-6544-e8efd153e27a@rasmusvillemoes.dk Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20191121205929.40371-3-keescook@chromium.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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