Re: [PATCH 1/4] userfaultfd.2: Add UFFD_FEATURE_THREAD_ID docs

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Hello Peter,

On 3/4/21 2:59 AM, Peter Xu wrote:
UFFD_FEATURE_THREAD_ID is supported since Linux 4.14.

Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
---
  man2/userfaultfd.2 | 12 ++++++++++++
  1 file changed, 12 insertions(+)

diff --git a/man2/userfaultfd.2 b/man2/userfaultfd.2
index e7dc9f813..2d14effc6 100644
--- a/man2/userfaultfd.2
+++ b/man2/userfaultfd.2
@@ -77,6 +77,12 @@ When the last file descriptor referring to a userfaultfd object is closed,
  all memory ranges that were registered with the object are unregistered
  and unread events are flushed.
  .\"
+.PP
+Since Linux 4.14, userfaultfd page fault message can selectively embed fault
+thread ID information into the fault message.  One needs to enable this feature
+explicitly using the
+.BR UFFD_FEATURE_THREAD_ID

This should use [.B] and not [.BR].
.BR is for alternate Bold and Roman.
.B is for bold.

(There are more appearances of this in the other patches.)

Thanks,

Alex

--
Alejandro Colomar
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
http://www.alejandro-colomar.es/



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